/* ==========================================================================
   HIVAS OPTIC - GLASSMORPHISM DESIGN SYSTEM & RESPONSIVE STYLES
   Website: https://hivasoptic.com
   ========================================================================== */

:root {
    /* Color Palette - Deep Optical Night & Luminous Glass */
    --bg-primary: #070d1f;
    --bg-secondary: #0b132b;
    --accent-cyan: #00e5ff;
    --accent-blue: #3a86ff;
    --accent-gold: #f5cb5c;
    --accent-insta: #e1306c;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Glassmorphism Tokens */
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-hover: rgba(255, 255, 255, 0.11);
    --glass-bg-strong: rgba(15, 23, 42, 0.68);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-border-highlight: rgba(0, 229, 255, 0.45);
    --glass-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.55);
    --glass-blur: blur(18px);
    
    /* Layout & Spacing */
    --container-width: 1280px;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --radius-pill: 9999px;
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ==========================================================================
   1. RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Vazirmatn', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    position: relative;
    direction: rtl;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
    position: relative;
    z-index: 2;
}

.text-center {
    text-align: center;
}

/* ==========================================================================
   2. AMBIENT BACKGROUND ORBS (FOR GLASSMORPHISM DEPTH)
   ========================================================================== */
.ambient-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(110px);
    opacity: 0.42;
    animation: floatOrb 18s ease-in-out infinite alternate;
}

.orb-1 {
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, var(--accent-blue), transparent 70%);
    top: 10%;
    right: -120px;
}

.orb-2 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
    top: 42%;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #7209b7, transparent 70%);
    bottom: 18%;
    right: 10%;
    animation-delay: -10s;
}

.orb-4 {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, var(--accent-gold), transparent 70%);
    bottom: 2%;
    left: 15%;
    opacity: 0.25;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-40px, 50px) scale(1.12); }
}

/* ==========================================================================
   3. REUSABLE GLASSMORPHISM COMPONENTS
   ========================================================================== */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-highlight);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 229, 255, 0.14);
}

.glass-card-mini {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.2rem;
    transition: var(--transition-smooth);
}

.glass-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1.1rem;
    background: rgba(0, 229, 255, 0.12);
    border: 1px solid rgba(0, 229, 255, 0.35);
    color: var(--accent-cyan);
    border-radius: var(--radius-pill);
    font-size: 0.88rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.glass-pill {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    color: var(--text-primary);
}

/* Section Headers */
.section-header {
    max-width: 820px;
    margin: 0 auto 3.5rem;
}

.section-tag {
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #a5f3fc 60%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Buttons */
.btn-primary-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.85), rgba(58, 134, 255, 0.85));
    color: #040814;
    font-weight: 800;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 25px rgba(0, 229, 255, 0.3);
}

.btn-primary-glass:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 229, 255, 0.5);
    background: linear-gradient(135deg, #00e5ff, #3a86ff);
}

.btn-secondary-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--text-primary);
    font-weight: 600;
    backdrop-filter: blur(12px);
}

.btn-secondary-glass:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
}

/* ==========================================================================
   4. FLOATING GLASS HEADER & NAVIGATION
   ========================================================================== */
.site-header {
    position: fixed;
    top: 1rem;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1.5rem;
    background: rgba(11, 19, 43, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.site-header.scrolled .nav-container {
    background: rgba(7, 13, 31, 0.88);
    border-color: rgba(0, 229, 255, 0.3);
}

.brand-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-en {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--accent-cyan);
}

.logo-fa {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1.4rem;
}

.nav-link {
    font-size: 0.93rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.08);
}

.btn-cta-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.2rem;
    border-radius: var(--radius-pill);
    background: rgba(245, 203, 92, 0.15);
    border: 1px solid rgba(245, 203, 92, 0.45);
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 0.92rem;
}

.btn-cta-phone:hover {
    background: var(--accent-gold);
    color: #070d1f;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   5. SECTION 1: FULLSCREEN HERO VIDEO
   ========================================================================== */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 640px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
}

.video-wrapper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

/* Hide any native browser controls strictly */
.hero-video::-webkit-media-controls {
    display: none !important;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(7, 13, 31, 0.55) 0%,
        rgba(7, 13, 31, 0.35) 50%,
        rgba(7, 13, 31, 0.95) 100%
    );
}

.hero-content-container {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.hero-glass-box {
    max-width: 780px;
    padding: 3rem 2.5rem;
    text-align: center;
    background: rgba(11, 19, 43, 0.52);
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-badge {
    display: inline-block;
    padding: 0.35rem 1.2rem;
    border-radius: var(--radius-pill);
    background: rgba(245, 203, 92, 0.16);
    border: 1px solid rgba(245, 203, 92, 0.45);
    color: var(--accent-gold);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}

.hero-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.35;
    margin-bottom: 1.2rem;
    color: #ffffff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

/* Sound Toggle Floating Button */
.sound-toggle-btn {
    position: absolute;
    bottom: 2.2rem;
    right: 2.2rem;
    z-index: 5;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.35rem;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.sound-toggle-btn:hover {
    border-color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.18);
    transform: scale(1.04);
}

.sound-toggle-btn .icon-unmuted {
    display: none;
    color: var(--accent-cyan);
}

.sound-toggle-btn.is-unmuted .icon-muted {
    display: none;
}

.sound-toggle-btn.is-unmuted .icon-unmuted {
    display: block;
}

.sound-toggle-btn.is-unmuted {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
}

/* Scroll Indicator */
.scroll-down-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    width: 28px;
    height: 46px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.mouse-wheel {
    width: 4px;
    height: 9px;
    background: var(--accent-cyan);
    border-radius: 2px;
    animation: scrollWheel 1.8s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(14px); }
}

/* ==========================================================================
   6. SECTION 2: RAY-BAN SHOP & STYLE GUIDE
   ========================================================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.8rem;
    margin-bottom: 3.5rem;
}

.product-card {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 1.25rem;
}

.product-badge {
    position: absolute;
    top: 1.8rem;
    right: 1.8rem;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(7, 13, 31, 0.78);
    border: 1px solid var(--glass-border);
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    z-index: 2;
    backdrop-filter: blur(6px);
}

.product-image-wrap {
    width: 100%;
    height: 220px;
    background: rgba(255, 255, 255, 0.94);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.product-image-wrap img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
    transition: transform 0.45s ease;
}

.product-card:hover .product-image-wrap img {
    transform: scale(1.08);
}

.product-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-style-tag {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.1);
    padding: 0.2rem 0.75rem;
    border-radius: var(--radius-pill);
    margin-bottom: 0.6rem;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.product-description {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 1.4rem;
    flex-grow: 1;
}

.btn-card-action {
    display: block;
    width: 100%;
    text-align: center;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-card-action:hover {
    background: var(--accent-cyan);
    color: #070d1f;
    border-color: var(--accent-cyan);
}

/* Style Guide Box */
.style-guide-box {
    padding: 2.5rem;
}

.style-guide-header {
    text-align: center;
    margin-bottom: 2rem;
}

.style-guide-header h3 {
    font-size: 1.6rem;
    color: var(--accent-gold);
    margin-bottom: 0.4rem;
}

.style-guide-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.2rem;
}

.style-guide-item {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    border-right: 3px solid var(--accent-cyan);
}

.style-category {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.style-models {
    font-size: 1.08rem;
    color: #ffffff;
}

/* ==========================================================================
   7. SECTION 3: ASTIGMATISM BEFORE/AFTER SLIDER (60% INITIAL)
   ========================================================================== */
.edu-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.edu-content {
    padding: 2.5rem;
}

.edu-paragraph {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    text-align: justify;
}

.edu-instruction {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 1.5rem;
    border-color: rgba(245, 203, 92, 0.4);
    color: var(--accent-gold);
    font-size: 0.92rem;
}

.comparison-wrapper {
    padding: 1.2rem;
}

.image-comparison-slider {
    position: relative;
    width: 100%;
    height: 430px;
    border-radius: var(--radius-md);
    overflow: hidden;
    user-select: none;
    direction: ltr; /* Ensures consistent left-to-right 0-100% coordinate math */
}

.comparison-img-container {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    overflow: hidden;
}

.comparison-img-container.img-background {
    width: 100%;
    z-index: 1;
}

.comparison-img-container.img-foreground {
    width: 60%; /* Initial 60% as requested */
    z-index: 2;
}

.comparison-img-container img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.comparison-label {
    position: absolute;
    bottom: 1rem;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-pill);
    background: rgba(7, 13, 31, 0.78);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 600;
    z-index: 3;
    direction: rtl;
}

.label-astig {
    left: 1rem;
    border-color: #f87171;
}

.label-healthy {
    right: 1rem;
    border-color: var(--accent-cyan);
}

.comparison-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 60%; /* Initial 60% */
    width: 3px;
    background: var(--accent-cyan);
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.8);
}

.handle-circle {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(11, 19, 43, 0.9);
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.comparison-range-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 5;
    margin: 0;
}

/* ==========================================================================
   8. SECTION 4: ABOUT DR. PIRI, HIVAS OPTIC & CLIENTS
   ========================================================================== */
.doctor-profile-card {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 2.8rem;
    padding: 2.8rem;
    margin-bottom: 3rem;
    align-items: center;
}

.doctor-portrait-frame {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid rgba(0, 229, 255, 0.35);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
}

.doctor-portrait-frame img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.doctor-credential-badge {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    justify-content: center;
    background: rgba(7, 13, 31, 0.85);
    direction: ltr;
}

.doctor-name {
    font-size: 2.1rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 0.35rem;
}

.doctor-degree {
    font-size: 1.05rem;
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 1.4rem;
}

.doctor-bio-text {
    color: var(--text-secondary);
    margin-bottom: 1.1rem;
    text-align: justify;
}

.doctor-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.6rem;
}

.doctor-highlights li {
    font-size: 0.9rem;
    border-right: 3px solid var(--accent-gold);
}

.doctor-highlights strong {
    display: block;
    color: var(--accent-cyan);
    margin-bottom: 0.2rem;
}

/* Hivas Story Grid */
.hivas-story-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.2rem;
    margin-bottom: 3rem;
}

.hivas-story-content {
    padding: 2.5rem;
}

.hivas-paragraph {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    text-align: justify;
}

.hivas-store-showcase {
    padding: 1.2rem;
    display: flex;
    align-items: center;
}

.store-figure {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.store-figure img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 0.9rem;
}

.store-caption {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Clients Grid */
.clients-showcase {
    padding: 2.5rem;
}

.clients-header {
    margin-bottom: 2rem;
}

.clients-title {
    font-size: 1.55rem;
    margin-bottom: 0.5rem;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 1rem;
}

.client-badge {
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-badge:hover {
    border-color: var(--accent-gold);
    background: rgba(245, 203, 92, 0.12);
    transform: translateY(-3px);
}

/* ==========================================================================
   9. SECTION 5: CORPORATE SERVICES, INSTALLMENTS & NORTH IRAN VIP
   ========================================================================== */
.installment-highlight {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 2rem 2.5rem;
    margin-bottom: 2.8rem;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.14), rgba(245, 203, 92, 0.12));
    border-color: rgba(245, 203, 92, 0.45);
}

.installment-icon {
    font-size: 2.8rem;
}

.installment-text h3 {
    font-size: 1.35rem;
    color: var(--accent-gold);
    margin-bottom: 0.25rem;
}

.installment-slogan {
    font-size: 1.15rem;
    color: #ffffff;
}

.services-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.8rem;
    margin-bottom: 2.8rem;
}

.service-box {
    padding: 2.2rem;
}

.service-box-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.4rem;
}

.service-icon {
    font-size: 2rem;
}

.service-box-header h3 {
    font-size: 1.25rem;
    color: var(--accent-cyan);
}

.service-checklist li {
    position: relative;
    padding-right: 1.6rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.service-checklist li::before {
    content: "✓";
    position: absolute;
    right: 0;
    color: var(--accent-gold);
    font-weight: 900;
}

.service-note {
    margin-top: 1.2rem;
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* North VIP Banner */
.north-vip-banner {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 2rem;
    padding: 2.5rem;
    align-items: center;
    border-color: rgba(0, 229, 255, 0.35);
}

.vip-tag {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 2px;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.north-vip-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: #ffffff;
}

.north-vip-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.cities-title {
    display: block;
    font-weight: 700;
    margin-bottom: 0.65rem;
    color: var(--accent-cyan);
}

.cities-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.north-vip-contact {
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    background: rgba(7, 13, 31, 0.6);
}

.vip-phone-number {
    font-size: 1.9rem;
    font-weight: 900;
    color: var(--accent-gold);
    letter-spacing: 1px;
}

.contact-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   10. SECTION 6: EQUIPMENT SHOWCASE
   ========================================================================== */
.equipment-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.equipment-card {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 2.5rem;
    padding: 2.5rem;
    align-items: center;
}

.equipment-figure {
    position: relative;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.equipment-figure img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.tech-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(7, 13, 31, 0.85);
}

.equipment-title {
    font-size: 1.5rem;
    color: var(--accent-cyan);
    margin-bottom: 0.9rem;
}

.equipment-intro {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    text-align: justify;
}

.specs-heading {
    font-size: 1.05rem;
    color: var(--accent-gold);
    margin-bottom: 0.8rem;
}

.equipment-specs-list li {
    position: relative;
    padding-right: 1.4rem;
    margin-bottom: 0.7rem;
    font-size: 0.94rem;
    color: var(--text-secondary);
}

.equipment-specs-list li::before {
    content: "•";
    position: absolute;
    right: 0;
    color: var(--accent-cyan);
    font-size: 1.3rem;
    line-height: 1;
}

.equipment-specs-list strong {
    color: #ffffff;
}

/* ==========================================================================
   11. SECTION 7: INSTAGRAM CALLOUT
   ========================================================================== */
.insta-glass-card {
    position: relative;
    overflow: hidden;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background: linear-gradient(135deg, rgba(131, 58, 180, 0.16), rgba(253, 29, 29, 0.12), rgba(252, 176, 69, 0.14));
    border-color: rgba(225, 48, 108, 0.4);
}

.insta-icon-wrap {
    color: #f77737;
    flex-shrink: 0;
}

.insta-title {
    font-size: 1.65rem;
    margin-bottom: 0.5rem;
}

.insta-desc {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.insta-handle-link {
    display: inline-block;
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--accent-gold);
}

.btn-insta-follow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-pill);
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: #ffffff;
    font-weight: 800;
    white-space: nowrap;
    box-shadow: 0 10px 25px rgba(220, 39, 67, 0.4);
}

.btn-insta-follow:hover {
    transform: translateY(-3px) scale(1.03);
}

/* ==========================================================================
   12. SECTION 8: FOOTER, GOOGLE MAP, ENAMAD & OVAN CREDIT
   ========================================================================== */
.site-footer {
    position: relative;
    z-index: 2;
    background: rgba(5, 10, 24, 0.85);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 4.5rem 0 2rem;
}

.footer-top-grid {
    display: grid;
    grid-template-columns: 1.2fr 1.2fr 0.8fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.footer-about-snippet {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
}

.contact-details-list {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.93rem;
}

.contact-item strong {
    color: var(--accent-cyan);
    display: block;
}

.footer-heading {
    font-size: 1.15rem;
    color: #ffffff;
    margin-bottom: 1.2rem;
}

.map-glass-frame {
    padding: 0.5rem;
    overflow: hidden;
}

.map-glass-frame iframe {
    border-radius: var(--radius-sm);
    display: block;
}

.enamad-container {
    padding: 1.5rem;
    text-align: center;
}

.enamad-mock-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    background: rgba(255, 255, 255, 0.92);
    color: #0b132b;
    border-radius: var(--radius-sm);
    margin-bottom: 0.85rem;
}

.enamad-star {
    color: #eab308;
    font-size: 1.2rem;
    letter-spacing: 3px;
}

.enamad-title {
    font-size: 1.1rem;
    font-weight: 900;
}

.enamad-sub {
    font-size: 0.78rem;
    color: #475569;
}

.enamad-domain {
    font-size: 0.75rem;
    font-weight: 700;
    color: #0284c7;
    margin-top: 0.25rem;
}

.enamad-caption {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1.5rem;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.ovan-link {
    color: var(--accent-cyan);
    border-bottom: 1px dashed var(--accent-cyan);
    padding-bottom: 2px;
}

.ovan-link:hover {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

/* ==========================================================================
   13. SCROLL REVEAL ANIMATION CLASSES
   ========================================================================== */
.reveal-item {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s ease-out, transform 0.65s ease-out;
}

.reveal-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   14. RESPONSIVE MEDIA QUERIES (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
    .edu-grid,
    .doctor-profile-card,
    .hivas-story-grid,
    .north-vip-banner,
    .equipment-card,
    .footer-top-grid {
        grid-template-columns: 1fr;
    }

    .doctor-portrait-frame img {
        height: 360px;
        max-width: 340px;
        margin: 0 auto;
    }

    .nav-list {
        gap: 0.8rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .main-navigation {
        position: absolute;
        top: calc(100% + 0.6rem);
        right: 1rem;
        left: 1rem;
        background: rgba(7, 13, 31, 0.95);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        padding: 1.2rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition-smooth);
    }

    .main-navigation.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .nav-link {
        display: block;
        padding: 0.7rem 1rem;
    }

    .hero-glass-box {
        padding: 2rem 1.4rem;
    }

    .sound-toggle-btn {
        bottom: 1.2rem;
        right: 1.2rem;
        padding: 0.6rem 1.1rem;
        font-size: 0.82rem;
    }

    .scroll-down-indicator {
        display: none;
    }

    .installment-highlight,
    .insta-glass-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
    }

    .image-comparison-slider {
        height: 310px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}