/**
 * Avenpak.com.tr — Ana Stil Dosyası
 * Tasarım Sistemi: Koyu Mavi + Beyaz, Premium Kurumsal
 */

/* ══════════════════════════════════════════════════════════════
   GOOGLE FONTS
   ══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ══════════════════════════════════════════════════════════════
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ══════════════════════════════════════════════════════════════ */
:root {
    /* Colors — Primary */
    --color-primary: #0A2540;
    --color-primary-light: #1B4B8A;
    --color-primary-bright: #2563EB;
    --color-primary-hover: #1D4ED8;
    --color-primary-50: #EFF6FF;
    --color-primary-100: #DBEAFE;
    --color-primary-200: #BFDBFE;

    /* Colors — Accent */
    --color-accent: #D4A853;
    --color-accent-light: #E8C97A;
    --color-accent-dark: #B8922F;

    /* Colors — Neutral */
    --color-white: #FFFFFF;
    --color-bg: #FFFFFF;
    --color-surface: #F8FAFC;
    --color-surface-alt: #F1F5F9;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;

    /* Colors — Text */
    --color-text: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #94A3B8;
    --color-text-inverse: #FFFFFF;

    /* Colors — Status */
    --color-success: #10B981;
    --color-success-bg: #ECFDF5;
    --color-error: #EF4444;
    --color-error-bg: #FEF2F2;
    --color-warning: #F59E0B;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Font Weights */
    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;

    /* 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 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 6px 16px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.08), 0 12px 32px rgba(0, 0, 0, 0.08);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-whatsapp: 600;
    --z-tooltip: 700;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;

    /* Header */
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--fw-regular);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    line-height: 1.2;
    color: var(--color-primary);
}

/* ══════════════════════════════════════════════════════════════
   LAYOUT UTILITIES
   ══════════════════════════════════════════════════════════════ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-20) 0;
}

.section--lg {
    padding: var(--space-24) 0;
}

.section--gray {
    background-color: var(--color-surface);
}

.section--dark {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--color-text-inverse);
}

/* ══════════════════════════════════════════════════════════════
   TYPOGRAPHY
   ══════════════════════════════════════════════════════════════ */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-bright);
    background: var(--color-primary-50);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section--dark .section-badge {
    color: var(--color-accent);
    background: rgba(212, 168, 83, 0.15);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-4);
    line-height: 1.15;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 640px;
    line-height: 1.7;
}

.section--dark .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

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

.text-center .section-subtitle {
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--space-12);
}

/* ══════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-weight: var(--fw-semibold);
    font-size: var(--text-base);
    padding: 0.875rem 2rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::after {
    opacity: 1;
}

.btn--primary {
    background: var(--color-primary-bright);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn--primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn--secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary-bright);
    border: 2px solid var(--color-primary-bright);
}

.btn--outline:hover {
    background: var(--color-primary-bright);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--accent {
    background: var(--color-accent);
    color: var(--color-primary);
    font-weight: var(--fw-bold);
}

.btn--accent:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 168, 83, 0.4);
}

.btn--sm {
    font-size: var(--text-sm);
    padding: 0.625rem 1.25rem;
}

.btn--lg {
    font-size: var(--text-lg);
    padding: 1rem 2.5rem;
}

.btn--whatsapp {
    background: #25D366;
    color: var(--color-white);
}

.btn--whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* ══════════════════════════════════════════════════════════════
   HEADER / NAVIGATION
   ══════════════════════════════════════════════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 510;
    transition: all var(--transition-base);
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header--scrolled {
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.15);
    height: 70px;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    z-index: 10;
}

.header__logo img {
    height: 42px;
    width: auto;
}

.header__logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--fw-extrabold);
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.header__logo-text span {
    color: var(--color-accent);
}

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.header__nav a {
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.header__nav a:hover,
.header__nav a.active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.header__nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.header__cta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header__cta .btn {
    font-size: var(--text-sm);
    padding: 0.625rem 1.5rem;
}

/* Mobile Menu Toggle */
.header__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    position: relative;
    z-index: calc(var(--z-modal) + 10);
}

.header__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

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

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

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

/* ══════════════════════════════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary) 0%, #0D3B6E 40%, #1B4B8A 70%, #0A2540 100%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 168, 83, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Floating geometric shapes */
.hero__shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero__shape {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    animation: floatShape 20s ease-in-out infinite;
}

.hero__shape--1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: -5%;
    animation-duration: 25s;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), transparent);
}

.hero__shape--2 {
    width: 200px;
    height: 200px;
    bottom: 15%;
    left: 5%;
    animation-duration: 18s;
    animation-delay: -5s;
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.05), transparent);
}

.hero__shape--3 {
    width: 150px;
    height: 150px;
    top: 40%;
    right: 20%;
    animation-duration: 22s;
    animation-delay: -10s;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent);
}

@keyframes floatShape {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(5deg); }
    50% { transform: translateY(10px) rotate(-3deg); }
    75% { transform: translateY(-15px) rotate(3deg); }
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: var(--space-24) 0;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(212, 168, 83, 0.15);
    border: 1px solid rgba(212, 168, 83, 0.3);
    color: var(--color-accent);
    font-size: var(--text-sm);
    font-weight: var(--fw-semibold);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    letter-spacing: 0.05em;
}

.hero__badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
    font-weight: var(--fw-extrabold);
    color: var(--color-white);
    line-height: 1.08;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
}

.hero__title span {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__desc {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--space-10);
    max-width: 560px;
}

.hero__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: var(--space-10);
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--fw-bold);
    color: var(--color-white);
    line-height: 1;
}

.hero__stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-top: var(--space-1);
}

/* ══════════════════════════════════════════════════════════════
   CATEGORY CARDS
   ══════════════════════════════════════════════════════════════ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.category-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-slow);
    border: 1px solid var(--color-border-light);
    group: true;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-primary-200);
}

.category-card__image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.category-card:hover .category-card__image img {
    transform: scale(1.08);
}

.category-card__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 37, 64, 0.6) 0%, transparent 60%);
}

.category-card__icon {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.category-card__icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-primary-bright);
}

.category-card__body {
    padding: var(--space-6);
}

.category-card__title {
    font-size: var(--text-xl);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-2);
    color: var(--color-primary);
}

.category-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.category-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-primary-bright);
    transition: gap var(--transition-fast);
}

.category-card__link:hover {
    gap: var(--space-3);
}

.category-card__link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.category-card:hover .category-card__link svg {
    transform: translateX(4px);
}

/* ══════════════════════════════════════════════════════════════
   FEATURES / WHY SECTION
   ══════════════════════════════════════════════════════════════ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.feature-card {
    text-align: center;
    padding: var(--space-8) var(--space-6);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-200);
}

.feature-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-5);
    background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-base);
}

.feature-card:hover .feature-card__icon {
    background: linear-gradient(135deg, var(--color-primary-bright), var(--color-primary-light));
}

.feature-card__icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-primary-bright);
    transition: stroke var(--transition-base);
}

.feature-card:hover .feature-card__icon svg {
    stroke: var(--color-white);
}

.feature-card__title {
    font-size: var(--text-lg);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-2);
}

.feature-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ══════════════════════════════════════════════════════════════
   PRODUCT CARDS
   ══════════════════════════════════════════════════════════════ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-slow);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

.product-card__image {
    position: relative;
    height: 260px;
    overflow: hidden;
    background: var(--color-surface);
}

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

.product-card:hover .product-card__image img {
    transform: scale(1.05);
}

.product-card__category {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: var(--fw-semibold);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-card__body {
    padding: var(--space-6);
}

.product-card__title {
    font-size: var(--text-xl);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-2);
    color: var(--color-primary);
}

.product-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary-bright);
    font-weight: var(--fw-semibold);
    font-size: var(--text-sm);
}

.product-card__link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.product-card:hover .product-card__link svg {
    transform: translateX(4px);
}

/* ══════════════════════════════════════════════════════════════
   PRODUCT DETAIL
   ══════════════════════════════════════════════════════════════ */
.product-detail {
    padding-top: calc(var(--header-height) + var(--space-12));
}

.product-detail__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.product-detail__image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--color-surface);
}

.product-detail__image img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.product-detail__info {
    padding: var(--space-4) 0;
}

.product-detail__category-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-primary-50);
    color: var(--color-primary-bright);
    font-size: var(--text-sm);
    font-weight: var(--fw-semibold);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.product-detail__title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.product-detail__desc {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-8);
}

.product-detail__features {
    margin-bottom: var(--space-8);
}

.product-detail__features h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

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

.product-detail__features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.product-detail__features li svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-success);
    flex-shrink: 0;
}

.product-detail__actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════════════════
   PRODUCT FILTER
   ══════════════════════════════════════════════════════════════ */
.product-filter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-12);
}

.product-filter__btn {
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    background: var(--color-white);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.product-filter__btn:hover {
    border-color: var(--color-primary-bright);
    color: var(--color-primary-bright);
}

.product-filter__btn.active {
    background: var(--color-primary-bright);
    border-color: var(--color-primary-bright);
    color: var(--color-white);
}

/* ══════════════════════════════════════════════════════════════
   VIDEO GALLERY
   ══════════════════════════════════════════════════════════════ */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.video-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-slow);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.video-card__embed {
    position: relative;
    padding-top: 56.25%;
    background: var(--color-primary);
}

.video-card__embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-card__thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.video-card:hover .video-card__thumbnail {
    transform: scale(1.05);
}

.video-card__play {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
}

.video-card__thumbnail:hover .video-card__play {
    transform: scale(1.1);
    background: var(--color-white);
}

.video-card__play svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary-bright);
    margin-left: 3px;
}

.video-card__body {
    padding: var(--space-5);
}

.video-card__title {
    font-size: var(--text-base);
    font-weight: var(--fw-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
    line-height: 1.4;
}

.video-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.video-card__tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-primary-bright);
    background: var(--color-primary-50);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ══════════════════════════════════════════════════════════════
   ABOUT PAGE
   ══════════════════════════════════════════════════════════════ */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.about-intro__image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-intro__image img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.about-intro__content h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-6);
}

.about-intro__content p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary-bright), var(--color-accent));
    transform: translateX(-50%);
}

.timeline__item {
    position: relative;
    padding: var(--space-6);
    width: 45%;
    margin-bottom: var(--space-8);
}

.timeline__item:nth-child(odd) {
    margin-left: auto;
    padding-left: var(--space-10);
}

.timeline__item:nth-child(even) {
    margin-right: auto;
    padding-right: var(--space-10);
    text-align: right;
}

.timeline__item::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--color-primary-bright);
    border: 3px solid var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    top: var(--space-8);
}

.timeline__item:nth-child(odd)::before {
    left: -8px;
}

.timeline__item:nth-child(even)::before {
    right: -8px;
}

.timeline__step {
    font-size: var(--text-sm);
    font-weight: var(--fw-bold);
    color: var(--color-primary-bright);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.timeline__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.timeline__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Stats Counter */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.stat-card {
    text-align: center;
    padding: var(--space-8);
}

.stat-card__number {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: var(--fw-extrabold);
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-card__label {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.7);
    font-weight: var(--fw-medium);
}

/* Certificates */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.certificate-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.certificate-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.certificate-card__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-4);
    background: var(--color-primary-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-card__icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-primary-bright);
}

.certificate-card__title {
    font-size: var(--text-base);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-1);
}

.certificate-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* ══════════════════════════════════════════════════════════════
   CONTACT PAGE
   ══════════════════════════════════════════════════════════════ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.contact-form {
    background: var(--color-white);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.contact-form__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.contact-form__subtitle {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-text);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary-bright);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

.form-message {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    margin-bottom: var(--space-4);
    display: none;
}

.form-message--success {
    display: block;
    background: var(--color-success-bg);
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.form-message--error {
    display: block;
    background: var(--color-error-bg);
    color: #991B1B;
    border: 1px solid #FECACA;
}

/* Honeypot */
.form-group--hp {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-info__card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.contact-info__card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-200);
}

.contact-info__icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: var(--color-primary-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info__icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-primary-bright);
}

.contact-info__title {
    font-size: var(--text-base);
    font-weight: var(--fw-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.contact-info__text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.contact-info__text a {
    color: var(--color-primary-bright);
    font-weight: var(--fw-medium);
}

.contact-info__text a:hover {
    text-decoration: underline;
}

/* Map */
.contact-map {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-top: var(--space-12);
}

.contact-map iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* ══════════════════════════════════════════════════════════════
   PAGE HERO (Inner pages)
   ══════════════════════════════════════════════════════════════ */
.page-hero {
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
    background: linear-gradient(135deg, var(--color-primary) 0%, #1B4B8A 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(212, 168, 83, 0.08) 0%, transparent 50%);
}

.page-hero__content {
    position: relative;
    z-index: 2;
}

.page-hero__title {
    font-size: var(--text-4xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-hero__desc {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.breadcrumbs a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

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

.breadcrumbs span {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumbs__current {
    font-size: var(--text-sm);
    color: var(--color-accent);
    font-weight: var(--fw-medium);
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
.footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.7);
    padding-top: var(--space-16);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand-desc {
    font-size: var(--text-sm);
    line-height: 1.8;
    margin-top: var(--space-4);
    margin-bottom: var(--space-6);
}

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

.footer__social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    background: var(--color-primary-bright);
    transform: translateY(-2px);
}

.footer__social svg {
    width: 18px;
    height: 18px;
    fill: var(--color-white);
}

.footer__heading {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--fw-bold);
    color: var(--color-white);
    margin-bottom: var(--space-5);
}

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

.footer__links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-white);
    transform: translateX(4px);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.footer__contact-item svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__bottom {
    padding: var(--space-6) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-sm);
}

.footer__bottom a {
    color: var(--color-accent);
}

.footer__bottom a:hover {
    text-decoration: underline;
}

/* ══════════════════════════════════════════════════════════════
   WHATSAPP FLOATING BUTTON
   ══════════════════════════════════════════════════════════════ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: var(--z-whatsapp);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.whatsapp-float__btn {
    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: all var(--transition-base);
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float__btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-float__btn svg {
    width: 30px;
    height: 30px;
    fill: var(--color-white);
}

.whatsapp-float__tooltip {
    background: var(--color-white);
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-base);
    pointer-events: none;
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    transform: translateX(0);
}

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

/* ══════════════════════════════════════════════════════════════
   CTA SECTION
   ══════════════════════════════════════════════════════════════ */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1B4B8A 100%);
    padding: var(--space-16) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.15) 0%, transparent 60%);
}

.cta-section__content {
    position: relative;
    z-index: 2;
}

.cta-section__title {
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta-section__desc {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-8);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════════════════
   FEATURED VIDEO SECTION
   ══════════════════════════════════════════════════════════════ */
.featured-video {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    position: relative;
}

.featured-video__wrapper {
    position: relative;
    padding-top: 56.25%;
}

.featured-video__wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ══════════════════════════════════════════════════════════════
   FAQ SECTION
   ══════════════════════════════════════════════════════════════ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-item__question:hover {
    color: var(--color-primary-bright);
}

.faq-item__question svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-text-muted);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-item__question svg {
    transform: rotate(180deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-item__answer {
    max-height: 300px;
}

.faq-item__answer-inner {
    padding: 0 var(--space-6) var(--space-5);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ══════════════════════════════════════════════════════════════
   SCROLL REVEAL ANIMATIONS
   ══════════════════════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ══════════════════════════════════════════════════════════════
   SCROLL TO TOP
   ══════════════════════════════════════════════════════════════ */
.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--color-primary-bright);
    transform: translateY(-2px);
}

.scroll-top svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-white);
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE DESIGN
   ══════════════════════════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1.25rem;
    }

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

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

    .about-intro {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

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

    .product-detail__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .section-title {
        font-size: var(--text-3xl);
    }

    .hero__title {
        font-size: var(--text-4xl);
    }

    .hero__stats {
        gap: var(--space-6);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .header__nav,
    .header__cta {
        display: none;
    }

    .header__toggle {
        display: flex;
    }

    /* Mobile Navigation */
    .mobile-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 37, 64, 0.98);
        backdrop-filter: blur(20px);
        z-index: var(--z-modal);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-6);
        transform: translateX(100%);
        transition: transform var(--transition-slow);
    }

    .mobile-nav.active {
        transform: translateX(0);
    }

    .mobile-nav a {
        font-size: var(--text-2xl);
        font-family: var(--font-heading);
        font-weight: var(--fw-bold);
        color: var(--color-white);
        padding: var(--space-3) var(--space-6);
        transition: color var(--transition-fast);
    }

    .mobile-nav a:hover,
    .mobile-nav a.active {
        color: var(--color-accent);
    }

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

    .categories-grid,
    .products-grid,
    .videos-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .hero__content {
        padding: calc(var(--header-height) + var(--space-8)) 0 var(--space-12);
    }

    .hero__title {
        font-size: var(--text-3xl);
    }

    .hero__desc {
        font-size: var(--text-base);
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--space-4);
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

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

    .section {
        padding: var(--space-12) 0;
    }

    .section--lg {
        padding: var(--space-16) 0;
    }

    .section-title {
        font-size: var(--text-2xl);
    }

    .page-hero__title {
        font-size: var(--text-3xl);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline__item {
        width: 100%;
        padding-left: calc(20px + var(--space-8)) !important;
        padding-right: 0 !important;
        text-align: left !important;
    }

    .timeline__item::before {
        left: 12px !important;
        right: auto !important;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float__tooltip {
        display: none;
    }

    .whatsapp-float__btn {
        width: 52px;
        height: 52px;
    }

    .scroll-top {
        bottom: 80px;
        right: 20px;
    }

    .product-detail__title {
        font-size: var(--text-3xl);
    }

    .product-detail__actions {
        flex-direction: column;
    }

    .product-detail__actions .btn {
        width: 100%;
        text-align: center;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .hero__title {
        font-size: var(--text-2xl);
    }

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

    .stat-card__number {
        font-size: var(--text-4xl);
    }
}