/* =============================================
   STYLE.CSS - Landing Page Esami del Sangue
   Dott. Antonio Fusco
   
   Design System:
   - Primary: #2563eb (Blue - Trust, Medical)
   - Secondary: #10b981 (Green - Health, Success)
   - Accent: #f59e0b (Amber - CTA, Attention)
   - Background: #f8fafc (Light gray-blue)
   - Text: #1e293b (Dark slate)
   ============================================= */

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

:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --accent-dark: #d97706;

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Semantic */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

/* =============================================
   UTILITIES
   ============================================= */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.section-header h2 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 24px 0 rgba(37, 99, 235, 0.5);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-800);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-xl);
}

.btn-block {
    width: 100%;
}

.btn-nav {
    padding: var(--space-2) var(--space-5);
    font-size: var(--font-size-sm);
}

/* =============================================
   HEADER
   ============================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--gray-900);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition-fast);
    white-space: nowrap;
}

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

.btn-login {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
    white-space: nowrap;
}

.btn-login:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-login svg {
    width: 18px;
    height: 18px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: var(--space-6);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.mobile-nav-links a {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
}

.mobile-nav-links .btn {
    margin-top: var(--space-4);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    padding: calc(72px + var(--space-16)) 0 var(--space-16);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, rgba(37, 99, 235, 0.03) 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 300px;
    height: 300px;
    background: rgba(16, 185, 129, 0.06);
    border-radius: 50%;
    z-index: 0;
}

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

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.hero-quote-container {
    margin-bottom: var(--space-8);
}

.hero-quote {
    border-left: 3px solid var(--primary);
    padding-left: var(--space-5);
    margin-bottom: var(--space-5);
}

.hero-quote p {
    font-size: var(--font-size-base);
    color: var(--gray-800);
    line-height: 1.7;
    margin-bottom: var(--space-3);
    font-style: normal;
}

.hero-quote p:last-child {
    margin-bottom: 0;
}

.quote-author {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 600;
    text-align: right;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.trust-item svg {
    color: var(--secondary);
    flex-shrink: 0;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.hero-blob {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: blob 8s ease-in-out infinite, float 6s ease-in-out infinite;
    will-change: transform;
}

@keyframes blob {

    0%,
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }

    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translate(-50%, -50%) translateY(0px);
    }

    50% {
        transform: translate(-50%, -50%) translateY(-10px);
    }
}

.hero-image-placeholder {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 300px;
    height: 300px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
    font-size: 8rem;
    z-index: 1;
}

/* =============================================
   BLOG ARTICLES SECTION
   ============================================= */
.blog-articles {
    padding: var(--space-24) 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.blog-articles::before {
    content: '';
    position: absolute;
    top: 15%;
    right: -2%;
    width: 220px;
    height: 220px;
    background: rgba(16, 185, 129, 0.04);
    border-radius: 50%;
    z-index: 0;
}

.blog-articles::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: -3%;
    width: 280px;
    height: 280px;
    background: rgba(37, 99, 235, 0.04);
    border-radius: 25px;
    transform: rotate(-20deg);
    z-index: 0;
}

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

/* Featured Articles (2 cards side by side) */
.featured-articles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
    margin-bottom: var(--space-12);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.featured-article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.featured-article-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    box-shadow: 0 0 25px rgba(37, 99, 235, 0.2);
}

.featured-article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.featured-article-card:hover::after {
    opacity: 1;
}

.article-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.article-image {
    position: relative;
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-bookmark {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-bookmark svg {
    width: 20px;
    height: 20px;
}

.article-content {
    padding: var(--space-4);
}

.article-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.article-content p {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    margin-bottom: var(--space-3);
}

.article-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
}

.article-cta .emoji {
    font-size: 1.2rem;
}

/* Section Divider */
.section-divider {
    text-align: center;
    margin: var(--space-16) 0 var(--space-12);
}

.section-divider h2 {
    font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-3xl));
    font-weight: 800;
    color: var(--gray-900);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

/* Topic Cards Grid (4 cards) */
.topic-cards-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.topic-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    flex: 0 0 calc(25% - 50px);
    max-width: 280px;
}

.topic-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    box-shadow: 0 0 25px rgba(37, 99, 235, 0.25);
}

.topic-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.topic-card:hover::after {
    opacity: 1;
}

.topic-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    opacity: 0.6;
    animation: arrowPulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

.topic-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.topic-image {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.topic-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.topic-card:hover .topic-image img {
    transform: scale(1.1);
}

.topic-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.85);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.topic-card:hover .topic-overlay {
    opacity: 1;
}

.topic-content {
    padding: var(--space-5);
}

.topic-content h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.topic-content p {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    margin-bottom: var(--space-3);
}

.topic-cta {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition-fast);
}

.topic-cta::after {
    content: ' →';
    transition: margin-left var(--transition-fast);
}

.topic-card:hover .topic-cta::after {
    margin-left: var(--space-1);
}

/* Featured Single (1 card centered) */
.featured-single {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-12);
}

.featured-single .featured-article-card {
    max-width: 400px;
    width: 100%;
}

/* =============================================
   BENEFITS SECTION
   ============================================= */
.benefits {
    padding: var(--space-24) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 10%;
    left: -5%;
    width: 250px;
    height: 250px;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 20px;
    transform: rotate(-15deg);
    z-index: 0;
}

.benefits::after {
    content: '';
    position: absolute;
    bottom: 15%;
    right: -3%;
    width: 200px;
    height: 200px;
    background: rgba(16, 185, 129, 0.05);
    border-radius: 50%;
    z-index: 0;
}

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

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.benefit-card {
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.benefit-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.benefit-card:hover {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.benefit-card:hover::after {
    opacity: 1;
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    color: var(--white);
    margin-bottom: var(--space-5);
}

.benefit-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.benefit-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.7;
}

.benefit-card p strong {
    color: var(--gray-800);
}

/* =============================================
   EXAMS SECTION
   ============================================= */
.exams {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.exams-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-12);
    align-items: start;
}

.exams-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.exam-category {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.exam-category:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.exam-category h3 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.category-icon {
    font-size: 1.25rem;
}

.exam-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.exam-items li {
    position: relative;
    padding-left: var(--space-5);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.exam-items li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* Exams CTA Card */
.exams-cta-card {
    position: sticky;
    top: 100px;
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-xl);
}

.price-tag {
    text-align: center;
    padding-bottom: var(--space-6);
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
}

.price-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: var(--space-1);
}

.price-value {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary);
}

.price-note {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-top: var(--space-1);
}

.included-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.included-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.included-list svg {
    color: var(--secondary);
    flex-shrink: 0;
}

.cta-note {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: var(--space-4);
}

/* =============================================
   PROCESS SECTION
   ============================================= */
.process {
    padding: var(--space-24) 0;
    background: var(--white);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1000px;
    margin: 0 auto var(--space-12);
}

.process-step {
    flex: 1;
    text-align: center;
    padding: 0 var(--space-4);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    font-size: var(--font-size-xl);
    font-weight: 800;
    border-radius: 50%;
    margin: 0 auto var(--space-5);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.step-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.step-content p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

.step-content p strong {
    color: var(--gray-800);
}

.process-connector {
    width: 60px;
    height: 2px;
    background: var(--gray-200);
    margin-top: 28px;
    flex-shrink: 0;
}

/* Reassurance Cards */
.process-reassurance {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    max-width: 800px;
    margin: 0 auto;
}

.reassurance-card {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    border: 1px solid var(--gray-100);
}

.reassurance-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.reassurance-card h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.reassurance-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

/* =============================================
   APP LONGEVITÀ 360 SECTION
   ============================================= */
.app-section {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.app-content {
    display: grid;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.app-video {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.app-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.app-feature {
    text-align: center;
    padding: var(--space-6);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.app-feature:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.app-feature .feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-3);
}

.app-feature h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.app-feature p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.app-cta {
    text-align: center;
    margin-top: var(--space-8);
}

.store-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.store-badges img {
    height: 50px;
    width: auto;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about {
    padding: var(--space-24) 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 5%;
    width: 180px;
    height: 180px;
    background: rgba(37, 99, 235, 0.06);
    border-radius: 20px;
    transform: rotate(25deg);
    z-index: 0;
}

.about::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: 8%;
    width: 150px;
    height: 150px;
    background: rgba(16, 185, 129, 0.06);
    border-radius: 50%;
    z-index: 0;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-12);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
}

.image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: var(--radius-xl);
    aspect-ratio: 4/5;
    font-size: 6rem;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.exp-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.exp-text {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    line-height: 1.3;
}

.about-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.about-role {
    font-size: var(--font-size-lg);
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.about-content p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.about-content p strong {
    color: var(--gray-800);
}

.expertise-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin: var(--space-6) 0;
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.expertise-list li {
    position: relative;
    padding-left: var(--space-5);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.expertise-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

/* =============================================
   CERTIFICATES SECTION
   ============================================= */
.certificates {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.certificates-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.certificate-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--gray-200);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-width: 200px;
}

.certificate-card img {
    height: 80px;
    width: auto;
    margin-bottom: var(--space-4);
    object-fit: contain;
}

.certificate-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.certificate-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px) scale(1.02);
}

.certificate-card:hover::after {
    opacity: 1;
}

.certificate-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    opacity: 0.6;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {

    0%,
    100% {
        transform: translateX(0);
        opacity: 0.6;
    }

    50% {
        transform: translateX(5px);
        opacity: 1;
    }
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.certificate-card h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.certificate-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* =============================================
   CERTIFICATES GALLERY SECTION
   ============================================= */
.certificates-gallery {
    padding: var(--space-24) 0;
    background: var(--white);
}

.certificates-slider-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-16);
}

.certificates-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    gap: var(--space-6);
    padding: var(--space-6) 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.certificates-slider::-webkit-scrollbar {
    display: none;
}

.certificate-slide {
    flex: 0 0 100%;
    scroll-snap-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.certificate-slide img {
    width: 100%;
    max-width: 700px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-200);
    transition: transform 0.3s ease;
}

.certificate-slide img:hover {
    transform: scale(1.02);
}

/* Slider Buttons */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.slider-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn svg {
    color: inherit;
}

.slider-btn-prev {
    left: 0;
}

.slider-btn-next {
    right: 0;
}

/* Slider Dots */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
}

.slider-dot {
    width: 10px;
    height: 10px;
    background: var(--gray-300);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
}

.slider-dot.active {
    background: var(--primary);
    width: 24px;
    border-radius: var(--radius-full);
}

.slider-dot:hover {
    background: var(--primary-light);
}

/* =============================================
   BOOKS SECTION - 3D MODEL
   ============================================= */
.books {
    padding: var(--space-24) 0;
    background: var(--gray-50);
    font-family: "EB Garamond", serif;
}

.book-wrapper {
    width: 700px;
    max-width: 100%;
    position: relative;
    justify-content: center;
    margin: 0 auto;
    column-count: 2;
    column-gap: 30px;
    padding: 4px;
}

.book-items {
    position: relative;
    cursor: default;
    padding: 16px;
    margin: 0;
    display: grid;
    break-inside: avoid;
}

.main-book-wrap {
    position: relative;
}

.book-cover {
    position: relative;
    max-width: 280px;
    margin: 0 auto;
}

.book-cover .book-inside {
    position: absolute;
    width: 90%;
    height: 96%;
    top: 1%;
    left: 16px;
    border: 1px solid grey;
    border-radius: 2px 6px 6px 2px;
    background: white;
    box-shadow: 10px 40px 40px -10px #00000030, inset -2px 0 0 grey,
        inset -3px 0 0 #dbdbdb, inset -4px 0 0 white, inset -5px 0 0 #dbdbdb,
        inset -6px 0 0 white, inset -7px 0 0 #dbdbdb, inset -8px 0 0 white,
        inset -9px 0 0 #dbdbdb;
}

.book-cover .book-image {
    line-height: 0;
    position: relative;
    border-radius: 2px 6px 6px 2px;
    box-shadow: 6px 6px 18px -2px rgba(0, 0, 0, 0.2),
        24px 28px 40px -6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease-in-out;
    transform: perspective(2000px) rotateY(-15deg) translateX(-10px) scaleX(0.94);
    cursor: pointer;
}

.book-description {
    flex: 1;
    max-width: 280px;
}

.book-description h3 {
    font-size: 24px;
    font-family: "EB Garamond", serif;
    font-style: italic;
    margin-bottom: 12px;
    color: var(--gray-900);
    line-height: 1.3;
}

.book-image img {
    grid-row: 1 / -1;
    grid-column: 1;
    width: 100%;
    border-radius: 2px 6px 6px 2px;
}

.book-image:hover {
    transform: perspective(2000px) rotateY(0deg) translateX(0px) scaleX(1);
    transform-style: preserve-3d;
    box-shadow: 6px 6px 12px -1px rgba(0, 0, 0, 0.1),
        20px 14px 16px -6px rgba(0, 0, 0, 0.1);
}

.effect {
    position: absolute;
    width: 20px;
    height: 100%;
    margin-left: 16px;
    top: 0;
    border-left: 2px solid #00000010;
    background-image: linear-gradient(90deg,
            rgba(255, 255, 255, 0.2) 0%,
            rgba(255, 255, 255, 0) 100%);
    transition: all 0.5s ease;
    z-index: 5;
}

.book-cover .light {
    width: 90%;
    height: 100%;
    position: absolute;
    border-radius: 3px;
    background-image: linear-gradient(90deg,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.2) 100%);
    top: 0;
    right: 0;
    opacity: 0.1;
    transition: all 0.5s ease;
    z-index: 2;
}

.book-image:hover .effect {
    margin-left: 14px;
}

.book-link {
    text-decoration: none;
    color: inherit;
}

/* =============================================
   VIDEO SECTION
   ============================================= */
.video-section {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.video-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-8);
    align-items: start;
}

.video-featured {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    /* 16:9 aspect ratio */
    overflow: hidden;
    background: var(--gray-900);
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.video-play-overlay:hover {
    background: rgba(0, 0, 0, 0.5);
}

.play-button {
    transition: transform 0.3s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

.video-duration {
    position: absolute;
    bottom: var(--space-3);
    right: var(--space-3);
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.video-info {
    padding: var(--space-6);
}

.video-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.video-info p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.video-stats {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.stat-item svg {
    color: var(--primary);
}

.video-cta-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    position: sticky;
    top: 100px;
}

.youtube-icon {
    margin-bottom: var(--space-4);
    display: flex;
    justify-content: center;
}

.video-cta-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.video-cta-card p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.video-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-6) 0;
    text-align: left;
}

.video-benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.video-benefits li:last-child {
    border-bottom: none;
}

.video-benefits svg {
    color: var(--secondary);
    flex-shrink: 0;
}

/* =============================================
   TESTIMONIALS SECTION
   ============================================= */
.testimonials {
    padding: var(--space-24) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 25%;
    left: -4%;
    width: 200px;
    height: 200px;
    background: rgba(16, 185, 129, 0.05);
    border-radius: 20px;
    transform: rotate(30deg);
    z-index: 0;
}

.testimonials::after {
    content: '';
    position: absolute;
    bottom: 15%;
    right: -2%;
    width: 180px;
    height: 180px;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 50%;
    z-index: 0;
}

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

.testimonials-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-16);
}

.testimonials-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    gap: var(--space-6);
    padding: var(--space-6) 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.testimonials-slider::-webkit-scrollbar {
    display: none;
}

.testimonials-grid {
    display: flex;
    gap: var(--space-6);
    min-width: 100%;
}

.testimonial-card {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
    flex: 0 0 calc(33.333% - var(--space-4));
    scroll-snap-align: start;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.testimonials-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.testimonials-nav-btn {
    width: 48px;
    height: 48px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.testimonials-nav-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
    transform: scale(1.05);
}

.testimonials-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.testimonials-nav-btn:disabled:hover {
    background: var(--white);
    border-color: var(--gray-200);
    color: inherit;
    transform: none;
}

.testimonial-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    margin-bottom: var(--space-4);
}

.testimonial-card blockquote {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: var(--space-5);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--gray-200);
}

.author-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    font-weight: 700;
    border-radius: 50%;
}

.author-info strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-900);
}

.author-info span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* =============================================
   FINAL CTA SECTION
   ============================================= */
.final-cta {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

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

.cta-content h2 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.cta-content h2 .text-gradient {
    background: linear-gradient(135deg, #93c5fd 0%, #6ee7b7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto var(--space-8);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.cta-buttons .btn-primary {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.cta-buttons .btn-primary:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.cta-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-10);
}

.cta-guarantee svg {
    flex-shrink: 0;
}

.cta-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.cta-stat .stat-value {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--white);
}

.cta-stat .stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-transform: none;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--space-16) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-10);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--gray-800);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: var(--space-4);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-5);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-contact address {
    font-style: normal;
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

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

.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6) 0;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--white);
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */

/* Tablet */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
        margin-bottom: var(--space-8);
    }

    .hero-quote {
        text-align: left;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-blob {
        width: 300px;
        height: 300px;
    }

    .hero-image-placeholder {
        width: 250px;
        height: 250px;
        font-size: 6rem;
    }

    .featured-articles {
        grid-template-columns: 1fr;
    }

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

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

    .exams-content {
        grid-template-columns: 1fr;
    }

    .exams-cta-card {
        position: static;
        max-width: 400px;
        margin: 0 auto;
    }

    .process-steps {
        flex-direction: column;
        gap: var(--space-6);
    }

    .process-connector {
        width: 2px;
        height: 40px;
        margin: 0 auto;
    }

    .app-features {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        max-width: 350px;
        margin: 0 auto;
    }

    .expertise-list {
        grid-template-columns: 1fr;
    }

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

    .certificates-slider-wrapper {
        padding: 0 var(--space-8);
    }

    .slider-btn {
        width: 40px;
        height: 40px;
    }

    .book-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0 10px;
        width: 100%;
        column-count: initial;
    }

    .book-items {
        width: 100%;
        max-width: 360px;
        margin: 0 auto;
        padding-bottom: 40px;
        text-align: center;
    }

    .book-cover {
        width: 100%;
        max-width: 100%;
        display: block;
        margin: 0 auto;
    }

    .book-cover .book-image {
        transform: none;
        box-shadow: 4px 4px 12px -2px rgba(0, 0, 0, 0.15);
    }

    .video-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .video-cta-card {
        position: static;
    }

    .topic-arrow {
        display: none;
    }

    .topic-cards-grid {
        gap: var(--space-6);
    }

    .topic-card {
        flex: 0 0 calc(50% - var(--space-3));
        max-width: none;
    }

    .certificates-grid {
        gap: var(--space-4);
    }

    .book-cover {
        margin: 0 auto;
    }

    .video-content {
        grid-template-columns: 1fr;
    }

    .video-image {
        order: -1;
    }

    .testimonials-wrapper {
        padding: 0 var(--space-8);
    }

    .testimonial-card {
        flex: 0 0 calc(50% - var(--space-3));
    }

    .testimonials-nav-btn {
        width: 40px;
        height: 40px;
    }

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

/* Mobile/Tablet Breakpoint */
@media (max-width: 1100px) {

    .nav-links,
    .btn-nav {
        display: none;
    }

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

    .mobile-menu {
        display: block;
    }

    .hero {
        padding-top: calc(72px + var(--space-10));
    }

    .hero-quote p {
        font-size: var(--font-size-sm);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .hero-image-placeholder {
        width: 200px;
        height: 200px;
        font-size: 5rem;
    }

    .hero-blob {
        width: 250px;
        height: 250px;
    }

    .featured-articles {
        grid-template-columns: 1fr;
    }

    .topic-cards-grid {
        grid-template-columns: 1fr;
    }

    .section-divider h2 {
        font-size: var(--font-size-xl);
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .exams-list {
        grid-template-columns: 1fr;
    }

    .process-reassurance {
        grid-template-columns: 1fr;
    }

    .app-features {
        grid-template-columns: 1fr;
    }

    .store-badges {
        flex-direction: column;
    }

    .experience-badge {
        right: 0;
        bottom: -10px;
    }

    .expertise-list {
        grid-template-columns: 1fr;
    }

    .certificates-grid {
        grid-template-columns: 1fr;
    }

    .certificates-slider-wrapper {
        padding: 0 var(--space-4);
    }

    .slider-btn {
        width: 36px;
        height: 36px;
    }

    .slider-btn-prev {
        left: -10px;
    }

    .slider-btn-next {
        right: -10px;
    }

    .topic-arrow {
        display: none;
    }

    .topic-card {
        flex: 0 0 100%;
        max-width: none;
    }

    .books-grid {
        grid-template-columns: 1fr;
    }

    .book-link {
        grid-template-columns: 1fr;
    }

    .video-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cta-stats {
        flex-direction: column;
        gap: var(--space-6);
    }

    .testimonials-wrapper {
        padding: 0 var(--space-4);
    }

    .testimonial-card {
        flex: 0 0 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --space-6: 1.25rem;
        --space-8: 1.5rem;
        --space-12: 2.5rem;
        --space-16: 3rem;
        --space-24: 4rem;
    }

    .hero h1 {
        font-size: var(--font-size-2xl);
    }

    .section-header h2 {
        font-size: var(--font-size-2xl);
    }

    .btn-xl {
        padding: var(--space-4) var(--space-6);
        font-size: var(--font-size-base);
    }
}

/* =============================================
   MODERN ANIMATIONS (SUBTLE)
   ============================================= */

/* Fade in on scroll - applies to all sections */
@media (prefers-reduced-motion: no-preference) {

    /* Sections fade in */
    section {
        opacity: 0;
        animation: fadeIn 0.8s ease forwards;
    }

    .hero {
        animation-delay: 0.1s;
    }

    .exams {
        animation-delay: 0.2s;
    }

    .blog-articles {
        animation-delay: 0.2s;
    }

    .benefits {
        animation-delay: 0.2s;
    }

    .process {
        animation-delay: 0.2s;
    }

    /* Cards stagger animation */
    .benefit-card,
    .exam-category,
    .featured-article-card,
    .topic-card,
    .certificate-card,
    .testimonial-card {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }

    /* Stagger delays for grid items */
    .benefit-card:nth-child(1),
    .exam-category:nth-child(1),
    .featured-article-card:nth-child(1),
    .topic-card:nth-child(1),
    .certificate-card:nth-child(1),
    .testimonial-card:nth-child(1) {
        animation-delay: 0.1s;
    }

    .benefit-card:nth-child(2),
    .exam-category:nth-child(2),
    .featured-article-card:nth-child(2),
    .topic-card:nth-child(2),
    .certificate-card:nth-child(2),
    .testimonial-card:nth-child(2) {
        animation-delay: 0.2s;
    }

    .benefit-card:nth-child(3),
    .exam-category:nth-child(3),
    .topic-card:nth-child(3),
    .certificate-card:nth-child(3),
    .testimonial-card:nth-child(3) {
        animation-delay: 0.3s;
    }

    .benefit-card:nth-child(4),
    .exam-category:nth-child(4),
    .topic-card:nth-child(4),
    .certificate-card:nth-child(4) {
        animation-delay: 0.4s;
    }

    .benefit-card:nth-child(5),
    .topic-card:nth-child(5) {
        animation-delay: 0.5s;
    }

    .benefit-card:nth-child(6) {
        animation-delay: 0.6s;
    }

    /* Hero content animation */
    .hero-quote {
        opacity: 0;
        transform: translateX(-30px);
        animation: slideInLeft 0.8s ease forwards;
        animation-delay: 0.3s;
    }

    .hero-cta {
        opacity: 0;
        animation: fadeIn 0.6s ease forwards;
        animation-delay: 0.6s;
    }

    .hero-image-placeholder {
        opacity: 0;
        transform: scale(0.9);
        animation: scaleIn 0.8s ease forwards;
        animation-delay: 0.4s;
    }

    /* Section headers animation */
    .section-header {
        opacity: 0;
        transform: translateY(-20px);
        animation: fadeInDown 0.6s ease forwards;
        animation-delay: 0.2s;
    }
}

/* Keyframes */
@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

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

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

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* =============================================
   PRINT STYLES
   ============================================= */
@media print {

    .header,
    .mobile-menu,
    .hero-cta,
    .final-cta,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    .hero {
        padding-top: 0;
    }
}