/* ============================================
   Dr. Sanjeev Nelogi — Landing Page Styles
   Premium Aesthetic Training Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Primary Palette — Teal / Medical */
    --color-primary: #0D7377;
    --color-primary-light: #14B8A6;
    --color-primary-dark: #065F64;
    --color-primary-glow: rgba(13, 115, 119, 0.3);

    /* Accent — Gold / Premium */
    --color-accent: #D4A843;
    --color-accent-light: #F0D78C;
    --color-accent-dark: #B08A28;

    /* Neutrals */
    --color-bg: #0A0E17;
    --color-bg-elevated: #111827;
    --color-bg-card: #1A2332;
    --color-bg-card-hover: #1F2B3D;
    --color-surface: rgba(255, 255, 255, 0.03);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    /* Text */
    --color-text: #F1F5F9;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0D7377 0%, #14B8A6 50%, #0D9488 100%);
    --gradient-gold: linear-gradient(135deg, #D4A843 0%, #F0D78C 50%, #D4A843 100%);
    --gradient-hero: linear-gradient(180deg, rgba(10, 14, 23, 0) 0%, rgba(10, 14, 23, 0.6) 40%, rgba(10, 14, 23, 0.95) 100%);
    --gradient-radial: radial-gradient(ellipse at 50% 0%, rgba(13, 115, 119, 0.15) 0%, transparent 70%);
    --gradient-text: linear-gradient(135deg, #14B8A6, #D4A843);

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;
    --container-padding: 24px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(13, 115, 119, 0.2);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

/* --- Section Headers --- */
.section-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-primary-light);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.9rem;
    color: white;
}

.brand-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.brand-highlight {
    color: var(--color-primary-light);
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
    border-radius: 1px;
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    box-shadow: 0 2px 12px var(--color-primary-glow);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--color-primary-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background:
        var(--gradient-radial),
        radial-gradient(ellipse at 80% 20%, rgba(212, 168, 67, 0.08) 0%, transparent 50%),
        var(--color-bg);
    z-index: 1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hero-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--color-primary-light);
    border-radius: 50%;
    opacity: 0;
    animation: float-particle 8s infinite;
}

@keyframes float-particle {
    0% { opacity: 0; transform: translateY(100vh) scale(0); }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-20vh) scale(1); }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 860px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(13, 115, 119, 0.12);
    border: 1px solid rgba(13, 115, 119, 0.25);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary-light);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-desc strong {
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 36px rgba(13, 115, 119, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border-hover);
}

.btn-outline:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary-light);
    background: rgba(13, 115, 119, 0.08);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-xl {
    padding: 20px 48px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text);
    display: inline;
}

.stat-plus {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-light);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--color-border);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.5;
    animation: fade-bounce 3s ease-in-out infinite;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--color-text-muted);
    border-radius: 12px;
    position: relative;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--color-text-muted);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 22px; }
}

@keyframes fade-bounce {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.6; transform: translateX(-50%) translateY(-8px); }
}

.hero-scroll-indicator span {
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* --- Animations --- */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease-out forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }
.delay-5 { animation-delay: 0.8s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--gradient-radial), var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-elevated));
    border: 1px solid var(--color-border);
}

.about-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.1), rgba(212, 168, 67, 0.05));
}

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

.doctor-icon {
    margin-bottom: 16px;
    opacity: 0.4;
    color: var(--color-primary-light);
}

.doctor-name-overlay {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.about-float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(26, 35, 50, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.card-experience {
    bottom: 40px;
    right: -30px;
    animation-delay: 0s;
}

.card-global {
    top: 40px;
    left: -30px;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float-card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 115, 119, 0.15);
    border-radius: var(--radius-sm);
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.float-card-number {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-text);
}

.float-card-text {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.about-text-col .section-label {
    text-align: left;
}

.about-text-col .section-title {
    text-align: left;
}

.about-role {
    font-size: 1.05rem;
    color: var(--color-primary-light);
    font-weight: 500;
    margin-bottom: 24px;
}

.about-description {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-description strong {
    color: var(--color-text);
}

.credential-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.credential {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(13, 115, 119, 0.08);
    border: 1px solid rgba(13, 115, 119, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary-light);
    transition: var(--transition-base);
}

.credential:hover {
    background: rgba(13, 115, 119, 0.15);
    transform: translateY(-2px);
}

.credential svg {
    flex-shrink: 0;
}

/* ============================================
   CURRICULUM SECTION
   ============================================ */
.curriculum {
    background: var(--color-bg-elevated);
}

.curriculum::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.curriculum-card {
    position: relative;
    padding: 36px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    overflow: hidden;
}

.curriculum-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-glow {
    position: absolute;
    top: -60px;
    right: -60px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--color-primary-glow);
    filter: blur(60px);
    opacity: 0;
    transition: var(--transition-slow);
}

.curriculum-card:hover .card-glow {
    opacity: 1;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.card-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 115, 119, 0.12);
    border-radius: var(--radius-md);
    color: var(--color-primary-light);
    transition: var(--transition-base);
}

.curriculum-card:hover .card-icon {
    background: rgba(13, 115, 119, 0.2);
    transform: scale(1.05);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
}

.topic-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.topic-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.curriculum-card:hover .topic-list li {
    color: var(--color-text);
}

.topic-bullet {
    width: 6px;
    height: 6px;
    background: var(--color-primary-light);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    background: var(--color-bg);
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: grab;
}

.testimonials-track:active {
    cursor: grabbing;
}

.testimonial-card {
    min-width: 100%;
    width: 100%;
    max-width: 100%;
    flex-shrink: 0;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

.testimonial-image {
    position: relative;
    width: 100%;
    max-width: 800px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
}

.testimonial-image img {
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: 450px;
    display: block;
    object-fit: cover;
    object-position: top;
}

.quote-icon {
    position: absolute;
    bottom: -24px;
    left: 40px;
    width: 64px;
    height: 64px;
    background: #E87A4D;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    font-weight: bold;
    font-family: serif;
    line-height: 1;
    padding-top: 20px;
    z-index: 2;
}

.testimonial-content {
    background: #25A89A;
    width: 100%;
    max-width: 800px;
    padding: 48px 40px 40px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    position: relative;
    z-index: 1;
    text-align: left;
}

.testimonial-quote {
    font-size: 1.15rem;
    line-height: 1.8;
    color: white;
    margin-bottom: 24px;
    font-style: normal;
}

.testimonial-quote::before {
    display: none;
}

.testimonial-author-name {
    font-size: 1rem;
    font-weight: 700;
    color: #FACC15;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.testimonial-author-title {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 4px;
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.test-nav-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: var(--transition-base);
}

.test-nav-btn:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

.test-dots {
    display: flex;
    gap: 8px;
}

.test-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    transition: var(--transition-base);
    cursor: pointer;
}

.test-dot.active {
    background: var(--color-primary-light);
    width: 24px;
    border-radius: 4px;
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing {
    background: var(--color-bg-elevated);
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.pricing-card-wrapper {
    max-width: 580px;
    margin: 0 auto;
    perspective: 1000px;
}

.pricing-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(13, 115, 119, 0.3);
}

.pricing-ribbon {
    position: absolute;
    top: 24px;
    right: -32px;
    padding: 6px 40px;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transform: rotate(45deg);
    box-shadow: 0 2px 8px var(--color-primary-glow);
}

.pricing-top {
    padding: 48px 40px 32px;
    text-align: center;
    background: linear-gradient(180deg, rgba(13, 115, 119, 0.06), transparent);
}

.pricing-plan-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-plan-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-primary-light);
}

.price {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.period {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-left: 4px;
}

.pricing-details {
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.detail-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.detail-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 115, 119, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.detail-row strong {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.detail-row span {
    font-size: 0.95rem;
    color: var(--color-text);
}

.pricing-features {
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 36px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.feature-item svg {
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.pricing-card .btn {
    margin: 0 40px;
}

.pricing-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding: 16px 40px 40px;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.cta-final {
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 50%, rgba(13, 115, 119, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 80%, rgba(212, 168, 67, 0.08) 0%, transparent 40%),
        var(--color-bg);
    z-index: 0;
}

.cta-container {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.cta-buttons {
    margin-bottom: 32px;
}

.cta-contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.contact-phone {
    color: var(--color-primary-light);
    font-weight: 600;
    transition: var(--transition-fast);
}

.contact-phone:hover {
    color: var(--color-accent);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-brand .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.6;
}

/* ============================================
   BRAND LOGO
   ============================================ */
.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    flex-shrink: 0;
}

.footer-logo {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    flex-shrink: 0;
}

/* ============================================
   ABOUT DOCTOR IMAGE
   ============================================ */
.about-doctor-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    background: var(--color-bg-elevated);
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid transparent;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
    border-left-color: rgba(20, 184, 166, 0.3);
    background: rgba(15, 23, 42, 0.95);
}

.faq-item.active {
    border-color: rgba(20, 184, 166, 0.2);
    border-left-color: var(--color-primary-light);
    background: rgba(13, 115, 119, 0.06);
    box-shadow: 0 8px 32px rgba(13, 115, 119, 0.08), inset 0 1px 0 rgba(20, 184, 166, 0.08);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 24px 28px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: #E2E8F0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: color 0.2s ease;
    line-height: 1.5;
}

.faq-question:hover {
    color: #FFFFFF;
}

.faq-item.active .faq-question {
    color: #FFFFFF;
}

/* Numbered prefix */
.faq-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    flex-shrink: 0;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    min-width: 38px;
    text-align: center;
}

.faq-item:hover .faq-num {
    color: var(--color-primary-light);
    border-color: rgba(20, 184, 166, 0.2);
}

.faq-item.active .faq-num {
    color: #FFFFFF;
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: 0 2px 12px var(--color-primary-glow);
}

/* Question text */
.faq-q-text {
    flex: 1;
}

/* Toggle +/- icon */
.faq-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item:hover .faq-toggle {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.faq-item.active .faq-toggle {
    background: rgba(20, 184, 166, 0.15);
    border-color: rgba(20, 184, 166, 0.3);
    transform: rotate(0deg);
}

.faq-toggle-icon {
    position: relative;
    width: 14px;
    height: 14px;
    display: block;
}

/* Horizontal bar (always visible) */
.faq-toggle-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-text-muted);
    transform: translateY(-50%);
    transition: background 0.3s ease;
    border-radius: 1px;
}

/* Vertical bar (hidden when active = minus sign) */
.faq-toggle-icon::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--color-text-muted);
    transform: translateX(-50%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, background 0.3s ease;
    border-radius: 1px;
}

.faq-item:hover .faq-toggle-icon::before,
.faq-item:hover .faq-toggle-icon::after {
    background: var(--color-text-secondary);
}

.faq-item.active .faq-toggle-icon::before {
    background: var(--color-primary-light);
}

.faq-item.active .faq-toggle-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
    background: var(--color-primary-light);
}

/* Answer area */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 400px;
}

.faq-answer-inner {
    padding: 0 28px 28px 84px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: #CBD5E1;
    line-height: 1.9;
    letter-spacing: 0.01em;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    animation: whatsapp-pulse 2.5s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.12);
    box-shadow: 0 6px 32px rgba(37, 211, 102, 0.55);
    animation: none;
}

.whatsapp-float:active {
    transform: scale(1.05);
}

@keyframes whatsapp-pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 32px rgba(37, 211, 102, 0.6), 0 0 0 12px rgba(37, 211, 102, 0.1);
    }
}

.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-bg-card);
    color: var(--color-text);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    transform: translateY(-50%) translateX(8px);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: var(--color-bg-card);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-text-col .section-label,
    .about-text-col .section-title {
        text-align: center;
    }

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

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

    .credential-badges {
        justify-content: center;
    }

    .curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonial-card {
        min-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
        --container-padding: 20px;
    }

    /* Mobile Nav */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(17, 24, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transition: var(--transition-base);
        border-left: 1px solid var(--color-border);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-cta {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    /* Hero */
    .hero {
        padding: 100px 20px 60px;
        min-height: 100svh;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-divider {
        height: 32px;
    }

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

    /* Curriculum */
    .curriculum-grid {
        grid-template-columns: 1fr;
    }

    /* Testimonials */
    .testimonial-card {
        min-width: 100%;
        padding: 0;
    }

    .testimonial-image {
        max-height: 300px;
    }

    .testimonial-content {
        padding: 32px 20px 24px;
    }

    .quote-icon {
        width: 48px;
        height: 48px;
        font-size: 2rem;
        left: 20px;
        bottom: -20px;
        padding-top: 15px;
    }

    .testimonial-quote {
        font-size: 1rem;
    }

    /* Pricing */
    .pricing-top {
        padding: 40px 24px 24px;
    }

    .pricing-details,
    .pricing-features {
        padding: 0 24px;
    }

    .pricing-card .btn {
        margin: 0 24px;
    }

    .pricing-note {
        padding: 16px 24px 36px;
    }

    .price {
        font-size: 3rem;
    }

    /* FAQ */
    .faq-question {
        padding: 18px 20px;
        font-size: 0.9rem;
        gap: 12px;
    }

    .faq-num {
        padding: 5px 8px;
        font-size: 0.7rem;
        min-width: 32px;
    }

    .faq-toggle {
        width: 32px;
        height: 32px;
    }

    .faq-answer-inner {
        padding: 0 20px 22px 62px;
    }

    .faq-answer p {
        font-size: 0.9rem;
    }

    /* WhatsApp */
    .whatsapp-float {
        width: 54px;
        height: 54px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-lg {
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .card-experience {
        right: -10px;
        bottom: 20px;
    }

    .card-global {
        left: -10px;
        top: auto;
        bottom: 100px;
    }
}