/* ====================================
   SUN-SMART LUPUS - Main Stylesheet
   Medical Education Website for SLE
   Bilingual (AR/EN) + Dark/Light Theme
   ==================================== */

/* --- CSS Variables (Light Theme - Default) --- */
:root {
    --primary: #7B1FA2;
    --primary-dark: #4A148C;
    --primary-light: #CE93D8;
    --primary-bg: #F3E5F5;
    --cream: #FFFDF7;
    --pink: #F48FB1;
    --pink-light: #FCE4EC;
    --yellow: #FFB300;
    --yellow-light: #FFF8E1;
    --text-dark: #212121;
    --text-medium: #555555;
    --text-light: #888888;
    --white: #FFFFFF;
    --card-bg: #FFFFFF;
    --danger: #D32F2F;
    --danger-light: #FFEBEE;
    --success: #388E3C;
    --success-light: #E8F5E9;
    --info: #1565C0;
    --info-light: #E3F2FD;
    --border: #E8E5EE;
    --shadow: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-hover: 0 12px 36px rgba(123,31,162,0.18);
    --radius: 18px;
    --radius-sm: 12px;
    --radius-xs: 6px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font: 'Cairo', system-ui, -apple-system, sans-serif;
    --nav-height: 72px;
}

/* --- Dark Theme Variables --- */
[data-theme="dark"], body.dark-theme {
    --primary: #BA68C8;
    --primary-dark: #8E24AA;
    --primary-light: #E1BEE7;
    --primary-bg: #291838;
    --cream: #121019;
    --pink: #F48FB1;
    --pink-light: #341827;
    --yellow: #FFD54F;
    --yellow-light: #352B14;
    --text-dark: #F5F4FA;
    --text-medium: #C7C1D4;
    --text-light: #9B94AA;
    --white: #1C1828;
    --card-bg: #1C1828;
    --border: #322A42;
    --danger: #FF5252;
    --danger-light: #3A181C;
    --success: #69F0AE;
    --success-light: #163223;
    --info: #40C4FF;
    --info-light: #132A3E;
    --shadow: 0 4px 20px rgba(0,0,0,0.45);
    --shadow-lg: 0 10px 34px rgba(0,0,0,0.6);
    --shadow-hover: 0 12px 36px rgba(186,104,200,0.28);
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font);
    background-color: var(--cream);
    color: var(--text-dark);
    line-height: 1.9;
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- LTR / English Base --- */
html[dir="ltr"], body.lang-en {
    direction: ltr;
    text-align: left;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, 'Cairo', sans-serif;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; }

/* Dark mode image tuning */
[data-theme="dark"] img {
    filter: brightness(0.92) contrast(1.05);
}

/* --- Container --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ====================================
   NAVBAR
   ==================================== */
.navbar {
    position: fixed; top: 0; right: 0; left: 0; z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    height: var(--nav-height);
    transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-lg); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 15px; }

.logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.25rem; font-weight: 800; color: var(--primary);
    letter-spacing: -0.5px; white-space: nowrap; flex-shrink: 0;
}
.logo-icon {
    font-size: 1.5rem; color: var(--yellow);
    animation: spin-slow 10s linear infinite;
}
@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.nav-links {
    display: flex; align-items: center; gap: 4px;
}
.nav-links li a {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 12px; border-radius: var(--radius-sm);
    font-size: 0.9rem; font-weight: 600; color: var(--text-medium);
    transition: var(--transition); white-space: nowrap;
}
.nav-links li a:hover, .nav-links li a.active {
    color: var(--primary); background: var(--primary-bg);
}
.nav-links li a i { font-size: 0.85rem; }
.nav-quiz-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    color: #FFFFFF !important; border-radius: var(--radius-sm) !important;
}
.nav-quiz-btn:hover { opacity: 0.92; transform: translateY(-1px); }

/* Nav Actions (Theme Toggle + Lang Toggle + Mobile Nav Button) */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.theme-toggle-btn, .lang-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 38px;
    padding: 0 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}
.theme-toggle-btn {
    width: 38px;
    padding: 0;
    font-size: 1.05rem;
    color: var(--yellow);
}
.theme-toggle-btn:hover, .lang-toggle-btn:hover {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
}
.lang-toggle-btn i {
    color: var(--primary);
    font-size: 0.95rem;
}

.nav-toggle {
    display: none; background: none; font-size: 1.4rem;
    color: var(--primary); padding: 6px;
}

/* ====================================
   HERO SECTION
   ==================================== */
.hero {
    margin-top: var(--nav-height);
    padding: 60px 0;
    position: relative; overflow: hidden;
}
.hero-home {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #8E24AA 100%);
    color: #FFFFFF; padding: 80px 0 70px; min-height: 80vh;
    display: flex; align-items: center;
}
.hero-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: #FFFFFF; padding: 50px 0 45px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content { position: relative; z-index: 2; }
.hero-section .hero-content { text-align: center; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(10px); padding: 8px 20px;
    border-radius: 50px; font-size: 0.9rem; font-weight: 700;
    margin-bottom: 20px; border: 1px solid rgba(255,255,255,0.25);
}
.hero-title {
    font-size: 2.8rem; font-weight: 800; line-height: 1.35;
    margin-bottom: 20px;
}
.hero-title span { color: var(--yellow); }
.hero-subtitle {
    font-size: 1.2rem; font-weight: 400; opacity: 0.95;
    line-height: 1.8; margin-bottom: 30px;
}
.hero-section .hero-title { font-size: 2.2rem; margin-bottom: 15px; }
.hero-section .hero-subtitle { font-size: 1.1rem; max-width: 750px; margin: 0 auto; }

.hero-btns { display: flex; gap: 15px; flex-wrap: wrap; }
.hero-decoration {
    position: absolute; top: -60px; left: -60px; width: 340px; height: 340px;
    border-radius: 50%; background: rgba(255,255,255,0.04); pointer-events: none;
}
.hero-decoration-2 {
    position: absolute; bottom: -80px; right: -80px; width: 420px; height: 420px;
    border-radius: 50%; background: rgba(255,255,255,0.04); pointer-events: none;
}

/* Hero Image Visual */
.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0,0,0,0.35);
    border: 3px solid rgba(255,255,255,0.25);
    transition: var(--transition);
}
.hero-image-wrapper:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.45);
}
.hero-image-wrapper img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    display: block;
}
.hero-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(74, 20, 140, 0.8) 0%, transparent 60%);
}
.hero-image-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--card-bg);
    color: var(--primary);
    padding: 10px 18px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border);
}
html[dir="ltr"] .hero-image-badge {
    right: auto;
    left: 20px;
}

/* ====================================
   BUTTONS
   ==================================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 28px; border-radius: var(--radius-sm);
    font-size: 1rem; font-weight: 700;
    transition: var(--transition); border: 2px solid transparent;
}
.btn-primary {
    background: #FFFFFF; color: var(--primary-dark);
}
.btn-primary:hover {
    background: var(--yellow); color: #212121; transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.btn-outline {
    background: transparent; color: #FFFFFF;
    border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.15); border-color: #FFFFFF;
    transform: translateY(-2px);
}
.btn-purple {
    background: var(--primary); color: #FFFFFF;
}
.btn-purple:hover {
    background: var(--primary-dark); transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(123,31,162,0.3);
}
.btn-sm { padding: 9px 20px; font-size: 0.9rem; }
.btn-lg { padding: 15px 34px; font-size: 1.05rem; }

/* ====================================
   SECTIONS
   ==================================== */
.section { padding: 70px 0; }
.section-alt { background: #F8F5FB; }
[data-theme="dark"] .section-alt { background: #15121E; }

.section-purple {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: #FFFFFF;
}
.section-header { text-align: center; margin-bottom: 50px; }
.section-icon {
    width: 60px; height: 60px; border-radius: 50%;
    background: var(--primary-bg); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin: 0 auto 15px;
}
.section-purple .section-icon {
    background: rgba(255,255,255,0.15); color: var(--yellow);
}
.section-title { font-size: 2.1rem; font-weight: 800; margin-bottom: 10px; }
.section-subtitle {
    font-size: 1.1rem; color: var(--text-medium); max-width: 650px; margin: 0 auto;
}
.section-purple .section-subtitle { color: rgba(255,255,255,0.85); }

/* ====================================
   GRIDS
   ==================================== */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ====================================
   CARDS
   ==================================== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

/* Card with Image Top */
.card-with-img {
    padding: 0;
    overflow: hidden;
}
.card-img-top-wrapper {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}
.card-img-top-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.card-with-img:hover .card-img-top-wrapper img {
    transform: scale(1.06);
}
.card-with-img .card-body {
    padding: 24px 22px 28px;
}

.card-icon {
    width: 54px; height: 54px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; margin-bottom: 18px;
}
.card-icon-purple { background: var(--primary-bg); color: var(--primary); }
.card-icon-pink { background: var(--pink-light); color: #C2185B; }
.card-icon-yellow { background: var(--yellow-light); color: #E65100; }
.card-icon-success { background: var(--success-light); color: var(--success); }
.card-icon-danger { background: var(--danger-light); color: var(--danger); }
.card-icon-info { background: var(--info-light); color: var(--info); }

[data-theme="dark"] .card-icon-pink { color: var(--pink); }
[data-theme="dark"] .card-icon-yellow { color: var(--yellow); }

.card-title {
    font-size: 1.25rem; font-weight: 700; margin-bottom: 10px;
    color: var(--text-dark);
}
.card-subtitle {
    font-size: 0.85rem; font-weight: 600; color: var(--primary);
    text-transform: uppercase; margin-bottom: 6px; letter-spacing: 0.5px;
}
.card-text {
    font-size: 0.95rem; color: var(--text-medium); line-height: 1.75;
}

.nav-card {
    display: flex; flex-direction: column; text-decoration: none; color: inherit;
}
.nav-card:hover .card-title { color: var(--primary); }

/* ====================================
   CONTENT BLOCKS & IMAGES
   ==================================== */
.content-block {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 35px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.content-block-title {
    font-size: 1.55rem; font-weight: 700; color: var(--primary);
    margin-bottom: 20px; display: flex; align-items: center; gap: 12px;
}
.content-block p {
    font-size: 1.05rem; color: var(--text-dark); margin-bottom: 16px; line-height: 1.9;
}
.content-block p:last-child { margin-bottom: 0; }

/* Responsive Content Image Box */
.content-image-box {
    margin: 28px 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.content-image-box img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.content-image-box:hover img {
    transform: scale(1.02);
}
.content-image-caption {
    padding: 12px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-medium);
    background: var(--cream);
    text-align: center;
    border-top: 1px solid var(--border);
}
[data-theme="dark"] .content-image-caption {
    background: #171422;
}

/* Split Content Grid (Text + Image) */
.split-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
    margin: 24px 0;
}
.split-image-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.split-image-wrapper img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

/* ====================================
   HIGHLIGHT & DANGER BOXES
   ==================================== */
.highlight-box {
    border-radius: var(--radius-sm);
    padding: 22px 24px;
    margin: 22px 0;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.highlight-box i { font-size: 1.5rem; flex-shrink: 0; margin-top: 3px; }
.highlight-box-content h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 5px; }
.highlight-box-content p { font-size: 0.95rem; margin-bottom: 0; }

.highlight-box-purple {
    background: var(--primary-bg); border-right: 4px solid var(--primary);
    color: var(--primary-dark);
}
[data-theme="dark"] .highlight-box-purple {
    color: var(--primary-light);
}
html[dir="ltr"] .highlight-box-purple {
    border-right: none;
    border-left: 4px solid var(--primary);
}

.highlight-box-yellow {
    background: var(--yellow-light); border-right: 4px solid var(--yellow);
    color: #795548;
}
[data-theme="dark"] .highlight-box-yellow {
    color: var(--yellow);
}
html[dir="ltr"] .highlight-box-yellow {
    border-right: none;
    border-left: 4px solid var(--yellow);
}

.highlight-box-pink {
    background: var(--pink-light); border-right: 4px solid var(--pink);
    color: #880E4F;
}
[data-theme="dark"] .highlight-box-pink {
    color: var(--pink);
}
html[dir="ltr"] .highlight-box-pink {
    border-right: none;
    border-left: 4px solid var(--pink);
}

/* Danger / Emergency Card */
.danger-card {
    background: var(--danger-light);
    border: 2px solid var(--danger);
    border-radius: var(--radius);
    padding: 30px;
    margin: 30px 0;
}
.danger-card-header {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 18px; color: var(--danger);
}
.danger-card-header i { font-size: 1.8rem; }
.danger-card-header h3 { font-size: 1.35rem; font-weight: 800; }
.danger-card p { color: var(--text-dark); margin-bottom: 14px; font-size: 1rem; }

.danger-signs-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 15px; margin-top: 18px;
}
.danger-sign-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; background: var(--card-bg);
    border-radius: var(--radius-xs); border: 1px solid rgba(211,47,47,0.25);
}
.danger-sign-item i { color: var(--danger); font-size: 1.1rem; flex-shrink: 0; }
.danger-sign-item span { font-weight: 600; font-size: 0.95rem; color: var(--text-dark); }

/* ====================================
   LISTS & ACCORDIONS
   ==================================== */
.list-styled { margin: 15px 0; }
.list-styled li {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 10px 0; border-bottom: 1px solid var(--border);
    font-size: 1rem; color: var(--text-dark);
}
.list-styled li:last-child { border-bottom: none; }
.list-styled li i {
    color: var(--primary); font-size: 0.9rem; margin-top: 6px; flex-shrink: 0;
}

/* ====================================
   TABS
   ==================================== */
.tabs-container { margin: 25px 0; }
.tabs-nav {
    display: flex; gap: 8px; border-bottom: 2px solid var(--border);
    padding-bottom: 0; margin-bottom: 25px; overflow-x: auto;
}
.tab-btn {
    padding: 12px 24px; font-size: 0.95rem; font-weight: 700;
    color: var(--text-medium); background: none; border-bottom: 3px solid transparent;
    transition: var(--transition); white-space: nowrap; margin-bottom: -2px;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ====================================
   SELF-CARE CHECKLIST
   ==================================== */
.checklist-container {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 35px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin: 30px 0;
}
.checklist-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 25px; flex-wrap: wrap; gap: 15px;
}
.checklist-header h3 {
    font-size: 1.35rem; font-weight: 700; color: var(--primary);
    display: flex; align-items: center; gap: 10px;
}
.checklist-progress-bar {
    width: 100%; height: 10px; background: var(--border);
    border-radius: 5px; overflow: hidden; margin-bottom: 25px;
}
.checklist-progress-fill {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--pink));
    border-radius: 5px; transition: width 0.4s ease;
}
.checklist-counter {
    font-size: 0.95rem; font-weight: 700; color: var(--primary);
}
.checklist-items { display: flex; flex-direction: column; gap: 12px; }
.checklist-item {
    display: flex; align-items: center; gap: 14px;
    padding: 15px 20px; background: var(--cream);
    border-radius: var(--radius-sm); border: 2px solid transparent;
    transition: var(--transition); cursor: pointer; user-select: none;
}
[data-theme="dark"] .checklist-item {
    background: #252033;
}
.checklist-item:hover { border-color: var(--primary-light); }
.checklist-item.checked {
    background: var(--success-light); border-color: var(--success);
}
.checklist-item input[type="checkbox"] {
    width: 22px; height: 22px; accent-color: var(--success);
    cursor: pointer; flex-shrink: 0;
}
.checklist-item-text {
    font-size: 1rem; font-weight: 600; color: var(--text-dark); flex: 1;
}
.checklist-item.checked .checklist-item-text {
    text-decoration: line-through; opacity: 0.75;
}
.checklist-actions {
    display: flex; justify-content: flex-end; margin-top: 25px;
}
.checklist-reset-btn {
    padding: 10px 22px; border-radius: var(--radius-sm);
    background: var(--primary-bg); color: var(--primary);
    font-size: 0.9rem; font-weight: 700; transition: var(--transition);
}
.checklist-reset-btn:hover {
    background: var(--primary); color: #FFFFFF;
}

/* ====================================
   QUIZ ENGINE
   ==================================== */
.quiz-container {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    max-width: 800px;
    margin: 0 auto;
}
.quiz-progress {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 30px; gap: 15px;
}
.quiz-progress-bar {
    flex: 1; height: 10px; background: var(--border);
    border-radius: 5px; overflow: hidden;
}
.quiz-progress-fill {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--pink));
    border-radius: 5px; transition: width 0.4s ease;
}
.quiz-progress-text {
    font-size: 0.95rem; font-weight: 700; color: var(--primary);
    white-space: nowrap;
}
.quiz-question-number {
    font-size: 0.9rem; font-weight: 700; color: var(--primary);
    text-transform: uppercase; margin-bottom: 8px;
}
.quiz-question {
    font-size: 1.35rem; font-weight: 700; color: var(--text-dark);
    margin-bottom: 25px; line-height: 1.6;
}
.quiz-options { display: flex; flex-direction: column; gap: 12px; margin-bottom: 25px; }
.quiz-option {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 20px; background: var(--cream);
    border-radius: var(--radius-sm); border: 2px solid var(--border);
    transition: var(--transition); cursor: pointer;
}
[data-theme="dark"] .quiz-option {
    background: #252033;
}
.quiz-option:hover {
    border-color: var(--primary); background: var(--primary-bg);
}
.quiz-option.selected {
    border-color: var(--primary); background: var(--primary-bg);
}
.quiz-option.correct {
    border-color: var(--success); background: var(--success-light); color: var(--success);
}
.quiz-option.wrong {
    border-color: var(--danger); background: var(--danger-light); color: var(--danger);
}
.quiz-option-letter {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--border); display: flex; align-items: center;
    justify-content: center; font-weight: 700; font-size: 0.9rem;
    flex-shrink: 0; transition: var(--transition);
}
.quiz-option:hover .quiz-option-letter,
.quiz-option.selected .quiz-option-letter {
    background: var(--primary); color: #FFFFFF;
}
.quiz-option.correct .quiz-option-letter {
    background: var(--success); color: #FFFFFF;
}
.quiz-option.wrong .quiz-option-letter {
    background: var(--danger); color: #FFFFFF;
}
.quiz-option-text { font-size: 1.05rem; font-weight: 600; flex: 1; }

.quiz-explanation {
    padding: 16px 20px; border-radius: var(--radius-sm);
    background: var(--info-light); border-right: 4px solid var(--info);
    margin-bottom: 25px; display: none;
}
html[dir="ltr"] .quiz-explanation {
    border-right: none;
    border-left: 4px solid var(--info);
}
.quiz-explanation.show { display: block; animation: fadeIn 0.4s ease; }
.quiz-explanation p { font-size: 0.95rem; color: var(--info); line-height: 1.7; margin: 0; }

.quiz-nav { display: flex; justify-content: space-between; align-items: center; }
.quiz-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-size: 1rem; font-weight: 700; transition: var(--transition);
}
.quiz-btn-check {
    background: var(--primary); color: #FFFFFF;
}
.quiz-btn-check:hover:not(:disabled) {
    background: var(--primary-dark); transform: translateY(-2px);
}
.quiz-btn-check:disabled { opacity: 0.5; cursor: not-allowed; }
.quiz-btn-next {
    background: linear-gradient(135deg, var(--primary), var(--pink));
    color: #FFFFFF; margin-right: auto;
}
html[dir="ltr"] .quiz-btn-next {
    margin-right: 0;
    margin-left: auto;
}
.quiz-btn-next:hover { opacity: 0.92; transform: translateY(-2px); }

/* Quiz Results */
.quiz-result { text-align: center; padding: 20px 0; }
.quiz-result-icon {
    width: 90px; height: 90px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2.8rem; margin: 0 auto 20px;
}
.quiz-result-icon.excellent { background: var(--success-light); color: var(--success); }
.quiz-result-icon.good { background: var(--yellow-light); color: #E65100; }
.quiz-result-icon.needswork { background: var(--pink-light); color: #C2185B; }
.quiz-result h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 10px; }
.quiz-result .quiz-score {
    font-size: 3rem; font-weight: 800; color: var(--primary); margin-bottom: 15px;
}
.quiz-result p {
    font-size: 1.1rem; color: var(--text-medium); max-width: 500px;
    margin: 0 auto 30px; line-height: 1.7;
}
.quiz-restart {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-sm);
    background: var(--primary); color: #FFFFFF; font-size: 1rem;
    font-weight: 700; transition: var(--transition);
}
.quiz-restart:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ====================================
   FOOTER
   ==================================== */
.footer {
    background: #181324;
    color: rgba(255,255,255,0.85);
    padding: 60px 0 25px;
    border-top: 1px solid var(--border);
}
.footer-content {
    display: grid; grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px; margin-bottom: 40px;
}
.footer-logo { display: flex; flex-direction: column; gap: 12px; }
.footer-logo div {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.3rem; font-weight: 800; color: #FFFFFF;
}
.footer-logo div i { color: var(--yellow); }
.footer-logo p { font-size: 0.95rem; line-height: 1.7; opacity: 0.8; }
.footer-links h4, .footer-disclaimer h4 {
    font-size: 1.1rem; font-weight: 700; color: #FFFFFF; margin-bottom: 15px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links ul li a {
    color: rgba(255,255,255,0.75); font-size: 0.95rem; transition: var(--transition);
}
.footer-links ul li a:hover { color: var(--yellow); padding-right: 5px; }
html[dir="ltr"] .footer-links ul li a:hover { padding-right: 0; padding-left: 5px; }
.footer-disclaimer p { font-size: 0.9rem; line-height: 1.7; opacity: 0.75; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px; text-align: center; font-size: 0.9rem; opacity: 0.7;
}

/* ====================================
   SCROLL TO TOP
   ==================================== */
.scroll-top {
    position: fixed; bottom: 30px; left: 30px; z-index: 900;
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--primary); color: #FFFFFF;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; transition: var(--transition);
    border: none; cursor: pointer;
}
html[dir="ltr"] .scroll-top {
    left: auto; right: 30px;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ====================================
   ANIMATIONS
   ==================================== */
.fade-up {
    opacity: 0; transform: translateY(25px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .hero-grid { grid-template-columns: 1fr; gap: 35px; }
    .hero-image-wrapper { max-width: 550px; margin: 0 auto; }
}

@media (max-width: 768px) {
    :root { --nav-height: 64px; }
    .nav-toggle { display: block; }
    .nav-links {
        position: fixed; top: var(--nav-height); right: 0;
        width: 290px; height: calc(100vh - var(--nav-height));
        background: var(--card-bg); flex-direction: column;
        padding: 24px 20px; gap: 8px; box-shadow: var(--shadow-lg);
        transform: translateX(100%); transition: var(--transition);
        overflow-y: auto; z-index: 999;
        border-right: 1px solid var(--border);
    }
    html[dir="ltr"] .nav-links {
        right: auto; left: 0;
        transform: translateX(-100%);
        border-right: none;
        border-left: 1px solid var(--border);
    }
    .nav-links.open { transform: translateX(0); }
    .nav-links li a { padding: 12px 16px; font-size: 1rem; width: 100%; }
    
    .hero-home { padding: 50px 0 45px; min-height: auto; }
    .hero-title { font-size: 2.1rem; }
    .hero-subtitle { font-size: 1.05rem; }
    .hero-section .hero-title { font-size: 1.7rem; }
    .hero-btns { flex-direction: column; width: 100%; }
    .hero-btns .btn { width: 100%; }
    .hero-image-wrapper img { height: 260px; }
    
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .split-content { grid-template-columns: 1fr; }
    .split-image-wrapper img { height: 220px; }
    .section { padding: 50px 0; }
    .section-title { font-size: 1.7rem; }
    .content-block { padding: 25px 20px; }
    .footer-content { grid-template-columns: 1fr; gap: 30px; }
    .quiz-container { padding: 24px 18px; }
    .quiz-question { font-size: 1.15rem; }
    .danger-signs-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .container { padding: 0 15px; }
    .hero-title { font-size: 1.75rem; }
    .card { padding: 22px 18px; }
    .card-with-img .card-body { padding: 20px 16px; }
    .btn { padding: 12px 20px; font-size: 0.95rem; }
    .quiz-option { padding: 12px 14px; }
    .quiz-result .quiz-score { font-size: 2.4rem; }
    .lang-toggle-btn .lang-text { display: none; }
    .lang-toggle-btn { width: 38px; padding: 0; }
}

/* ====================================
   MOBILE MENU OVERLAY
   ==================================== */
.nav-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); z-index: 998;
    opacity: 0; visibility: hidden; transition: var(--transition);
    backdrop-filter: blur(2px);
}
.nav-overlay.active { opacity: 1; visibility: visible; }

/* ====================================
   PRINT STYLES
   ==================================== */
@media print {
    .navbar, .footer, .scroll-top, .nav-toggle, .nav-actions { display: none; }
    .hero { margin-top: 0; }
    body { background: white; color: black; }
}


/* ====================================
   INSTITUTIONAL LOGOS (SCU & NURSING)
   ==================================== */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary);
}
.logo-inst-group {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.inst-logo-badge {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    border: 1.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.inst-logo-badge:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(123,31,162,0.2);
}
.inst-logo-badge img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.logo-nursing-wrap img {
    transform: scale(1.16);
    object-fit: cover;
}
.logo-titles {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}
.logo-main {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.3px;
    white-space: nowrap;
}
.logo-sub {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-medium);
    opacity: 0.9;
    white-space: nowrap;
}
[data-theme="dark"] .inst-logo-badge {
    background: #FFFFFF;
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* Hero Institutional Affiliation Badge */
.hero-affiliation-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 7px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}
.affiliation-logos {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.affiliation-logo-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #FFFFFF;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.affiliation-logo-circle img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.affiliation-text {
    display: flex;
    flex-direction: column;
    text-align: right;
    line-height: 1.3;
}
html[dir="ltr"] .affiliation-text {
    text-align: left;
}
.affiliation-title {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--yellow);
}
.affiliation-sub {
    font-size: 0.76rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

/* Academic Partner Card in About Section */
.academic-partner-card {
    background: var(--card-bg);
    border: 2px solid var(--primary-light);
    border-radius: var(--radius);
    padding: 24px 28px;
    margin-top: 25px;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: var(--shadow);
}
.academic-partner-logos {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}
.academic-logo-box {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #FFFFFF;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border: 2px solid var(--border);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}
.academic-logo-box:hover {
    transform: scale(1.08);
}
.academic-logo-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.academic-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.academic-partner-body h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 8px;
}
[data-theme="dark"] .academic-partner-body h3 {
    color: var(--primary-light);
}
.academic-partner-body p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 0;
}

/* Footer Institutional Logos */
.footer-inst-logos {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.footer-logo-badge {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #FFFFFF;
    box-shadow: 0 3px 10px rgba(0,0,0,0.3);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid rgba(255,255,255,0.25);
    flex-shrink: 0;
}
.footer-logo-badge img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.footer-brand-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 4px;
}
.footer-inst-tag {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--yellow);
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .logo-sub { display: none; }
    .hero-affiliation-badge {
        flex-direction: column;
        border-radius: var(--radius-sm);
        text-align: center;
        padding: 10px 14px;
    }
    .affiliation-text { text-align: center; }
    .academic-partner-card {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
        gap: 16px;
    }
    .academic-partner-logos {
        justify-content: center;
    }
}


/* ====================================
   YOUTUBE & VIDEO LIBRARY STYLES
   ==================================== */
.nav-youtube-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #FF0000;
    color: #FFFFFF !important;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(255,0,0,0.3);
    transition: var(--transition);
}
.nav-youtube-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 14px rgba(255,0,0,0.45);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 25px;
}
.video-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: #FF0000;
}
.video-thumbnail-wrap {
    position: relative;
    width: 100%;
    height: 190px;
    background: #111;
    overflow: hidden;
    cursor: pointer;
}
.video-thumbnail-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.88;
    transition: transform 0.4s ease, opacity 0.4s ease;
}
.video-card:hover .video-thumbnail-wrap img {
    transform: scale(1.05);
    opacity: 0.98;
}
.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 55px;
    height: 55px;
    background: rgba(255, 0, 0, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    transition: transform 0.3s ease, background 0.3s ease;
}
.video-card:hover .video-play-btn {
    transform: translate(-50%, -50%) scale(1.15);
    background: #FF0000;
}
.video-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0,0,0,0.75);
    color: #FFFFFF;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}
html[dir="ltr"] .video-duration {
    right: auto;
    left: 12px;
}
.video-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.video-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    color: #FF0000;
    margin-bottom: 8px;
}
.video-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.45;
}
.video-desc {
    font-size: 0.9rem;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
}
.video-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 0, 0, 0.1);
    color: #D32F2F;
    font-weight: 700;
    font-size: 0.88rem;
    transition: var(--transition);
}
.video-btn:hover {
    background: #FF0000;
    color: #FFFFFF;
}

/* ====================================
   SUN-SMART LUPUS KIT & ORDER SYSTEM
   ==================================== */
.kit-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 2px solid var(--primary-light);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin: 30px 0;
}
.kit-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 36px;
    padding: 36px;
    align-items: center;
}
.kit-image-wrap {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    background: #FFFFFF;
}
.kit-image-wrap img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}
.kit-image-wrap:hover img {
    transform: scale(1.02);
}
.kit-price-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #FF6F00, #FFB300);
    color: #FFFFFF;
    font-weight: 800;
    font-size: 1.15rem;
    padding: 8px 18px;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(255,111,0,0.45);
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
}
html[dir="ltr"] .kit-price-tag {
    right: auto;
    left: 15px;
}
.kit-qr-badge {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: rgba(33, 33, 33, 0.88);
    backdrop-filter: blur(8px);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.82rem;
    padding: 6px 14px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 2;
}
html[dir="ltr"] .kit-qr-badge {
    left: auto;
    right: 15px;
}
.kit-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.kit-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.88rem;
    font-weight: 800;
    width: fit-content;
}
.kit-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.35;
    margin: 0;
}
.kit-tagline {
    font-size: 1.05rem;
    color: var(--primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}
.kit-desc {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.75;
    margin: 0;
}
.kit-contents-box {
    background: var(--cream);
    border-radius: var(--radius-sm);
    padding: 20px;
    border: 1px solid var(--border);
}
[data-theme="dark"] .kit-contents-box {
    background: #252033;
}
.kit-contents-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.kit-items-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.kit-item-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    padding: 10px 14px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}
.kit-item-pill i {
    font-size: 1.15rem;
    flex-shrink: 0;
    color: var(--primary);
}
.kit-item-pill:nth-child(1) i { color: #FF9800; }
.kit-item-pill:nth-child(2) i { color: #2196F3; }
.kit-item-pill:nth-child(3) i { color: #4CAF50; }
.kit-item-pill:nth-child(4) i { color: #E91E63; }
.kit-item-pill:nth-child(5) i { color: #9C27B0; }

.kit-specs-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.kit-spec-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(123,31,162,0.08);
    color: var(--primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
}
[data-theme="dark"] .kit-spec-chip {
    background: rgba(186,104,200,0.18);
    color: var(--primary-light);
}
.kit-order-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 6px;
}
.btn-whatsapp {
    background: #25D366;
    color: #FFFFFF !important;
    border: none;
    box-shadow: 0 4px 15px rgba(37,211,102,0.35);
}
.btn-whatsapp:hover {
    background: #1EBE5D;
    color: #FFFFFF !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

/* Kit Order Modal */
.order-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(5px);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.order-modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}
.order-modal-content {
    background: var(--card-bg);
    width: 100%;
    max-width: 550px;
    border-radius: var(--radius);
    box-shadow: 0 25px 60px rgba(0,0,0,0.4);
    border: 1px solid var(--border);
    overflow: hidden;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
}
.order-modal-backdrop.active .order-modal-content {
    transform: translateY(0);
}
.order-modal-header {
    padding: 18px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.order-modal-header h4 {
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #FFFFFF;
}
.order-modal-close {
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 1.3rem;
    cursor: pointer;
    opacity: 0.85;
    transition: opacity 0.2s;
    padding: 4px;
}
.order-modal-close:hover {
    opacity: 1;
}
.order-modal-body {
    padding: 24px;
    overflow-y: auto;
}
.order-form-group {
    margin-bottom: 16px;
}
.order-form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}
.order-form-group input,
.order-form-group select,
.order-form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border);
    background: var(--bg-main);
    color: var(--text-dark);
    font-family: inherit;
    font-size: 16px !important;
    outline: none;
    transition: border-color 0.2s;
}
.order-form-group input:focus,
.order-form-group select:focus,
.order-form-group textarea:focus {
    border-color: var(--primary);
}
.order-summary-box {
    background: var(--cream);
    border: 1.5px dashed var(--primary);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
[data-theme="dark"] .order-summary-box {
    background: #252033;
}
.order-success-screen {
    text-align: center;
    padding: 30px 20px;
    display: none;
}
.order-success-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--success-light);
    color: var(--success);
    font-size: 2.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

/* ====================================
   UV INDEX & SUN PROTECTION CALCULATOR
   ==================================== */
.uv-calc-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin: 30px 0;
}
.uv-calc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}
.uv-levels-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}
.uv-level-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border);
    background: var(--cream);
    color: var(--text-dark);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.uv-level-btn span.uv-num {
    font-size: 1.25rem;
    font-weight: 800;
}
.uv-level-btn:hover {
    border-color: var(--yellow);
    transform: translateY(-2px);
}
.uv-level-btn.active {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(123,31,162,0.3);
}
.uv-result-box {
    background: var(--cream);
    border-radius: var(--radius-sm);
    padding: 24px;
    border: 2px solid var(--primary-light);
    animation: fadeIn 0.4s ease;
}
[data-theme="dark"] .uv-result-box {
    background: #252033;
}
.uv-result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 15px;
}
.uv-result-item {
    background: var(--card-bg);
    padding: 14px 16px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.uv-result-item i {
    font-size: 1.4rem;
    color: var(--yellow);
    margin-top: 3px;
    flex-shrink: 0;
}
.uv-result-item h5 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.uv-result-item p {
    font-size: 0.82rem;
    color: var(--text-medium);
    margin-bottom: 0;
    line-height: 1.5;
}

/* ====================================
   SEARCH MODAL & ACCESSIBILITY
   ==================================== */
.search-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 38px;
    padding: 0 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}
.search-toggle-btn:hover {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary-light);
}

.search-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(4px);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 80px 20px 40px;
}
.search-modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}
.search-modal-content {
    background: var(--card-bg);
    width: 100%;
    max-width: 650px;
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    border: 1px solid var(--border);
    overflow: hidden;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}
.search-modal-backdrop.active .search-modal-content {
    transform: translateY(0);
}
.search-input-wrap {
    display: flex;
    align-items: center;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}
.search-input-wrap i.search-icon {
    font-size: 1.25rem;
    color: var(--primary);
}
.search-input-wrap input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-family: inherit;
    font-size: 1.1rem;
    color: var(--text-dark);
}
.search-close-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px;
}
.search-results-list {
    max-height: 380px;
    overflow-y: auto;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.search-result-item {
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-dark);
    background: var(--cream);
    transition: var(--transition);
    border: 1px solid transparent;
}
[data-theme="dark"] .search-result-item {
    background: #252033;
}
.search-result-item:hover {
    background: var(--primary-bg);
    border-color: var(--primary-light);
    transform: translateX(-4px);
}
html[dir="ltr"] .search-result-item:hover {
    transform: translateX(4px);
}
.search-result-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.search-result-snippet {
    font-size: 0.85rem;
    color: var(--text-medium);
    margin-top: 4px;
}

/* ====================================
   SYMPTOM TRACKER & PRINTABLE REPORT
   ==================================== */
.tracker-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin: 30px 0;
}
.tracker-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    margin-bottom: 20px;
}
.tracker-field label {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}
.tracker-slider-wrap {
    display: flex;
    align-items: center;
    gap: 15px;
}
.tracker-slider-wrap input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
    height: 8px;
}
.tracker-val-badge {
    min-width: 44px;
    height: 36px;
    border-radius: 8px;
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tracker-checkboxes {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.tracker-chip {
    padding: 8px 16px;
    border-radius: 20px;
    background: var(--cream);
    border: 1.5px solid var(--border);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
[data-theme="dark"] .tracker-chip {
    background: #252033;
}
.tracker-chip.active {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
}

@media print {
    .tracker-card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
        padding: 15px !important;
    }
}

/* ====================================
   COMPREHENSIVE MOBILE RESPONSIVE ENGINE
   Optimized for all mobile devices (< 768px, < 480px, < 400px)
   ==================================== */

@media (max-width: 768px) {
    :root {
        --nav-height: 62px;
    }

    /* Base Body & Container */
    body {
        font-size: 15px;
        line-height: 1.8;
    }
    .container {
        padding: 0 14px;
    }

    /* Prevent iOS Safari input auto-zoom */
    input, textarea, select {
        font-size: 16px !important;
    }

    /* Fixed Top Navbar */
    .navbar {
        height: var(--nav-height);
    }
    .nav-container {
        padding: 0 10px;
        gap: 6px;
    }
    
    /* Logo & Institutional Badges on Mobile */
    .logo {
        gap: 6px;
        min-width: 0;
        flex: 1 1 auto;
        overflow: hidden;
    }
    .logo-inst-group {
        gap: 4px;
        flex-shrink: 0;
    }
    .inst-logo-badge {
        width: 36px;
        height: 36px;
    }
    .logo-titles {
        min-width: 0;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }
    .logo-main {
        font-size: 0.92rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .logo-sub {
        display: none !important;
    }

    /* Action Buttons in Navbar (Search, YouTube, DarkMode, Lang, Hamburger) */
    .nav-actions {
        gap: 4px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
    }
    .theme-toggle-btn,
    .lang-toggle-btn,
    .nav-search-btn,
    .search-toggle-btn,
    .nav-youtube-btn {
        width: 34px !important;
        height: 34px !important;
        min-width: 34px !important;
        padding: 0 !important;
        font-size: 0.88rem !important;
        border-radius: 50% !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    .lang-toggle-btn .lang-text,
    .search-toggle-btn span {
        display: none !important;
    }
    .nav-toggle {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        font-size: 1.25rem;
        padding: 0;
        color: var(--primary);
    }

    /* Mobile Slide-Out Drawer Navigation */
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        right: 0;
        width: 285px;
        max-width: 82vw;
        height: calc(100vh - var(--nav-height));
        background: var(--card-bg);
        flex-direction: column;
        padding: 20px 16px;
        gap: 8px;
        box-shadow: -5px 0 25px rgba(0,0,0,0.25);
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        z-index: 999;
        border-right: 1px solid var(--border);
    }
    html[dir="ltr"] .nav-links {
        right: auto;
        left: 0;
        transform: translateX(-100%);
        box-shadow: 5px 0 25px rgba(0,0,0,0.25);
        border-right: none;
        border-left: 1px solid var(--border);
    }
    .nav-links.open {
        transform: translateX(0);
    }
    .nav-links li {
        width: 100%;
    }
    .nav-links li a {
        padding: 13px 16px;
        font-size: 0.98rem;
        font-weight: 700;
        width: 100%;
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        gap: 12px;
    }

    /* Hero Section on Mobile */
    .hero {
        margin-top: var(--nav-height);
    }
    .hero-home {
        padding: 42px 0 36px;
        min-height: auto;
    }
    .hero-section {
        padding: 38px 0 32px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .hero-affiliation-badge {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        padding: 8px 14px;
        border-radius: var(--radius-sm);
        gap: 8px;
        margin-bottom: 16px;
        max-width: 100%;
    }
    .affiliation-logos {
        gap: 6px;
    }
    .affiliation-logo-circle {
        width: 32px;
        height: 32px;
    }
    .affiliation-title {
        font-size: 0.82rem;
    }
    .affiliation-sub {
        font-size: 0.72rem;
    }
    .hero-title {
        font-size: 1.85rem;
        line-height: 1.35;
        margin-bottom: 16px;
    }
    .hero-subtitle {
        font-size: 0.98rem;
        line-height: 1.7;
        margin-bottom: 22px;
    }
    .hero-section .hero-title {
        font-size: 1.6rem;
    }
    .hero-section .hero-subtitle {
        font-size: 0.94rem;
        line-height: 1.65;
    }
    .hero-btns {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    .hero-btns .btn {
        width: 100%;
        justify-content: center;
        text-align: center;
        padding: 13px 20px;
        font-size: 0.95rem;
    }
    .hero-image-wrapper {
        max-width: 100%;
        margin: 0 auto;
    }
    .hero-image-wrapper img {
        height: 220px;
        border-radius: var(--radius-sm);
    }

    /* Academic Partner Card in About Section */
    .academic-partner-card {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
        gap: 14px;
        margin-top: 20px;
    }
    .academic-partner-logos {
        justify-content: center;
        gap: 12px;
    }
    .academic-logo-box {
        width: 58px;
        height: 58px;
    }
    .academic-partner-body h3 {
        font-size: 1.15rem;
        margin-bottom: 6px;
    }
    .academic-partner-body p {
        font-size: 0.88rem;
    }

    /* SUN-SMART LUPUS KIT on Mobile */
    .kit-grid {
        grid-template-columns: 1fr;
        padding: 22px 16px;
        gap: 22px;
    }
    .kit-title {
        font-size: 1.5rem;
    }
    .kit-price-tag {
        font-size: 1rem;
        padding: 6px 14px;
        top: 10px;
        right: 10px;
    }
    html[dir="ltr"] .kit-price-tag {
        right: auto;
        left: 10px;
    }
    .kit-items-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .kit-order-actions {
        flex-direction: column;
    }
    .kit-order-actions .btn {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
    .order-modal-content {
        max-height: 94vh;
    }
    .order-modal-body {
        padding: 18px 16px;
    }

    /* General Content Blocks & Grids */
    .section {
        padding: 40px 0;
    }
    .section-header {
        margin-bottom: 25px;
    }
    .section-title {
        font-size: 1.6rem;
    }
    .section-subtitle {
        font-size: 0.92rem;
    }
    .content-block {
        padding: 20px 16px;
        margin-bottom: 22px;
        border-radius: var(--radius-sm);
    }
    .content-block-title {
        font-size: 1.25rem;
        line-height: 1.4;
    }
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .card {
        padding: 20px 16px;
        border-radius: var(--radius-sm);
    }
    .split-content {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 18px 0;
    }
    .split-image-wrapper img {
        height: 200px;
    }

    /* Highlights & Alerts */
    .highlight-box {
        padding: 15px 14px;
        gap: 12px;
        margin: 16px 0;
        border-radius: var(--radius-sm);
    }
    .highlight-box i {
        font-size: 1.25rem;
    }
    .highlight-box-content h4 {
        font-size: 0.98rem;
    }
    .highlight-box-content p {
        font-size: 0.88rem;
        line-height: 1.6;
    }

    /* Medical Anatomical Diagrams & Images */
    .content-image-box {
        margin: 18px 0;
        border-radius: var(--radius-sm);
    }
    .content-image-box img {
        padding: 8px 6px !important;
        border-radius: var(--radius-sm) !important;
        width: 100% !important;
        height: auto !important;
    }
    .content-image-caption {
        padding: 10px 12px;
        font-size: 0.82rem;
        line-height: 1.55;
    }

    /* UV Index Advisor & Calculator */
    .uv-calc-card {
        padding: 20px 15px;
        margin: 20px 0;
        border-radius: var(--radius-sm);
    }
    .uv-levels-nav {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin-bottom: 16px;
    }
    .uv-level-btn {
        min-width: 0;
        padding: 10px 8px;
        border-radius: var(--radius-xs);
    }
    .uv-level-btn span.uv-num {
        font-size: 1.15rem;
    }
    .uv-level-btn .uv-label {
        font-size: 0.78rem;
    }
    .uv-result-box {
        padding: 16px 14px;
        border-radius: var(--radius-sm);
    }
    .uv-result-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 12px;
    }
    .uv-res-item, .uv-result-item {
        padding: 12px 14px;
    }
    .uv-action-box {
        padding: 12px 14px;
        font-size: 0.88rem;
    }

    /* Daily Symptom & Flare Tracker with Printable Report */
    .tracker-card {
        padding: 20px 15px;
        margin: 20px 0;
        border-radius: var(--radius-sm);
    }
    .tracker-card > div:first-child {
        flex-direction: column;
        align-items: stretch !important;
        gap: 12px;
    }
    .tracker-card > div:first-child > div:last-child {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }
    .tracker-row {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 16px;
    }
    .tracker-slider-wrap {
        gap: 12px;
    }
    .tracker-val-badge {
        min-width: 38px;
        height: 34px;
        font-size: 1rem;
    }
    .tracker-checkboxes {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .tracker-chip {
        padding: 9px 8px;
        font-size: 0.8rem;
        text-align: center;
        justify-content: center;
        display: flex;
        align-items: center;
        gap: 6px;
        min-width: 0;
        white-space: normal;
        line-height: 1.35;
    }

    /* YouTube Video Grid & Cards */
    .video-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .video-thumbnail-wrap {
        height: auto;
        aspect-ratio: 16 / 9;
    }
    .video-body {
        padding: 18px 16px;
    }
    .video-title {
        font-size: 1.05rem;
    }
    .video-desc {
        font-size: 0.88rem;
        line-height: 1.6;
        margin-bottom: 14px;
    }
    .video-btn {
        width: 100%;
        justify-content: center;
        padding: 11px 16px;
    }

    /* Interactive Self-Care Checklist */
    .checklist-container {
        padding: 20px 15px;
        margin: 20px 0;
        border-radius: var(--radius-sm);
    }
    .checklist-header {
        margin-bottom: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .checklist-header h3 {
        font-size: 1.15rem;
    }
    .checklist-counter {
        font-size: 0.88rem;
    }
    .checklist-item {
        padding: 12px 14px;
        gap: 12px;
        border-radius: var(--radius-xs);
    }
    .checklist-item-text {
        font-size: 0.9rem;
        line-height: 1.55;
    }
    .checklist-item input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }
    .checklist-actions {
        margin-top: 18px;
    }
    .checklist-reset-btn {
        width: 100%;
        text-align: center;
        padding: 11px;
    }

    /* Danger Signs Grid */
    .danger-card {
        padding: 22px 16px;
        border-radius: var(--radius-sm);
    }
    .danger-card-header h3 {
        font-size: 1.2rem;
        line-height: 1.4;
    }
    .danger-signs-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .danger-sign-item {
        padding: 12px 14px;
        font-size: 0.88rem;
        border-radius: var(--radius-xs);
    }

    /* Quiz Engine */
    .quiz-container {
        padding: 22px 16px;
        border-radius: var(--radius-sm);
    }
    .quiz-progress {
        margin-bottom: 20px;
    }
    .quiz-question {
        font-size: 1.15rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    .quiz-option {
        padding: 13px 14px;
        font-size: 0.92rem;
        border-radius: var(--radius-xs);
        gap: 10px;
    }
    .quiz-footer {
        flex-direction: column;
        gap: 12px;
    }
    .quiz-btn-next {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
    }
    .quiz-result h2 {
        font-size: 1.45rem;
    }
    .quiz-result .quiz-score {
        font-size: 2.5rem;
    }
    .quiz-restart {
        width: 100%;
        justify-content: center;
    }

    /* Live Search Modal */
    .search-modal-backdrop {
        padding: 20px 10px;
        align-items: flex-start;
    }
    .search-modal-content {
        max-height: 90vh;
        border-radius: var(--radius-sm);
    }
    .search-input-wrap {
        padding: 12px 14px;
        gap: 8px;
    }
    .search-input-wrap input {
        font-size: 16px !important;
    }
    .search-results-list {
        max-height: calc(90vh - 65px);
        padding: 8px 10px;
    }
    .search-result-item {
        padding: 10px 12px;
    }
    .search-result-title {
        font-size: 0.92rem;
    }
    .search-result-snippet {
        font-size: 0.8rem;
    }

    /* Page Navigation Bottom Buttons */
    div[style*="display:flex; gap:15px; justify-content:center; flex-wrap:wrap;"] {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
    }
    div[style*="display:flex; gap:15px; justify-content:center; flex-wrap:wrap;"] .btn {
        width: 100% !important;
        justify-content: center !important;
        text-align: center !important;
    }

    /* Footer on Mobile */
    .footer {
        padding: 40px 0 20px;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    .footer-logo {
        align-items: center;
        text-align: center;
    }
    .footer-inst-logos {
        justify-content: center;
    }
    .footer-brand-title {
        justify-content: center;
    }
    .footer-links, .footer-disclaimer {
        text-align: center;
    }
    .footer-links ul {
        align-items: center;
    }

    /* Floating Scroll-to-top */
    .scroll-top {
        bottom: 20px;
        left: 20px;
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }
    html[dir="ltr"] .scroll-top {
        left: auto;
        right: 20px;
    }
}

/* Extra Narrow Mobile Screens (iPhone SE, Galaxy Fold external, < 400px) */
@media (max-width: 400px) {
    .container {
        padding: 0 10px;
    }
    .nav-container {
        padding: 0 6px;
        gap: 4px;
    }
    .inst-logo-badge {
        width: 31px;
        height: 31px;
    }
    .logo-main {
        font-size: 0.8rem;
    }
    .nav-actions {
        gap: 3px;
    }
    .theme-toggle-btn,
    .lang-toggle-btn,
    .nav-search-btn,
    .search-toggle-btn,
    .nav-youtube-btn {
        width: 30px !important;
        height: 30px !important;
        min-width: 30px !important;
        font-size: 0.8rem !important;
    }
    .nav-toggle {
        width: 30px;
        height: 30px;
        font-size: 1.15rem;
    }
    .hero-title {
        font-size: 1.55rem;
    }
    .tracker-checkboxes {
        grid-template-columns: 1fr;
    }
    .tracker-chip {
        justify-content: flex-start;
        padding: 10px 12px;
        font-size: 0.85rem;
    }
}