/* ============================================
   AIVENY Design System - 2026
   Modern CSS with Design Tokens
   ============================================ */

/* ============================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Color Palette */
    --color-white-smoke: #F5F5F2;
    --color-platinum: #E5E7EB;
    --color-royal-blue: #2563EB;
    --color-tropical-teal: #22B8C5;
    --color-lobster-pink: #D65353;

    /* Semantic Colors - Light Mode */
    --color-bg-primary: #F5F5F2;
    --color-bg-secondary: #E5E7EB;
    --color-bg-surface: #FFFFFF;
    --color-bg-elevated: #FFFFFF;

    --color-text-primary: #1F2937;
    --color-text-secondary: #4B5563;
    --color-text-muted: #6B7280;
    --color-text-inverse: #F9FAFB;

    --color-border-subtle: #E5E7EB;
    --color-border-default: #D1D5DB;
    --color-border-strong: #9CA3AF;

    /* Brand Colors */
    --color-brand-primary: #2563EB;
    --color-brand-secondary: #22B8C5;
    --color-brand-accent: #D65353;

    /* State Colors */
    --color-success: #059669;
    --color-warning: #D97706;
    --color-error: #DC2626;
    --color-info: #2563EB;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow-blue: 0 0 40px rgba(37, 99, 235, 0.15);
    --shadow-glow-teal: 0 0 40px rgba(34, 184, 197, 0.15);

    /* Typography */
    --font-family-display: 'Outfit', system-ui, -apple-system, sans-serif;
    --font-family-body: 'Inter', system-ui, -apple-system, 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;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --line-height-tight: 1.1;
    --line-height-snug: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    /* 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;
    --space-32: 8rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;

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

    /* Navigation */
    --nav-height: 5rem;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-bg-primary: #111827;
    --color-bg-secondary: #1F2937;
    --color-bg-surface: #1F2937;
    --color-bg-elevated: #374151;

    --color-text-primary: #F9FAFB;
    --color-text-secondary: #D1D5DB;
    --color-text-muted: #9CA3AF;
    --color-text-inverse: #1F2937;

    --color-border-subtle: #374151;
    --color-border-default: #4B5563;
    --color-border-strong: #6B7280;

    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}

/* ============================================
   2. BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--color-brand-primary);
    color: white;
    border-radius: var(--radius-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

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

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

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin: 0;
}

/* ============================================
   4. NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(245, 245, 242, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
    z-index: var(--z-fixed);
    transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

[data-theme="dark"] .nav {
    background: rgba(17, 24, 39, 0.85);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

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

.nav__logo {
    width: auto;
    height: 40px;
}

.nav__brand-text {
    font-family: var(--font-family-display);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.nav__links {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .nav__links {
        display: flex;
    }
}

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-brand-primary);
    transition: width var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-brand-primary);
}

.nav__link:hover::after {
    width: 100%;
}

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

.nav__theme-toggle {
    display: none;
    padding: var(--space-2);
}

@media (min-width: 768px) {
    .nav__theme-toggle {
        display: flex;
    }
}

.nav__theme-toggle .icon {
    width: 20px;
    height: 20px;
}

.icon--sun {
    display: block;
}

.icon--moon {
    display: none;
}

[data-theme="dark"] .icon--sun {
    display: none;
}

[data-theme="dark"] .icon--moon {
    display: block;
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 24px;
    height: 24px;
    padding: 0;
    background: none;
    border: none;
}

@media (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__toggle[aria-expanded="true"] span:first-child {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-surface);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.mobile-menu__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-8);
}

.mobile-menu__link {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

/* ============================================
   5. BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn__icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.btn--primary {
    background: var(--color-brand-primary);
    color: white;
    border-color: var(--color-brand-primary);
}

.btn--primary:hover {
    background: #1D4ED8;
    border-color: #1D4ED8;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
}

.btn--secondary {
    background: var(--color-bg-surface);
    color: var(--color-text-primary);
    border-color: var(--color-border-default);
}

.btn--secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-border-strong);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

.btn--ghost:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

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

.btn--full {
    width: 100%;
}

/* ============================================
   6. BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
}

.badge__icon {
    width: 16px;
    height: 16px;
}

.badge--brand {
    background: rgba(34, 184, 197, 0.1);
    color: var(--color-brand-secondary);
    border: 1px solid rgba(34, 184, 197, 0.3);
}

/* ============================================
   7. HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(245, 245, 242, 0.95) 0%,
        rgba(229, 231, 235, 0.9) 50%,
        rgba(245, 245, 242, 0.95) 100%
    );
}

[data-theme="dark"] .hero__gradient {
    background: linear-gradient(135deg,
        rgba(17, 24, 39, 0.97) 0%,
        rgba(31, 41, 55, 0.95) 50%,
        rgba(17, 24, 39, 0.97) 100%
    );
}

.hero__pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(34, 184, 197, 0.03) 0%, transparent 50%);
}

.hero__content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    padding: var(--space-12) 0;
}

@media (min-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: var(--space-16);
    }
}

.hero__text {
    max-width: 640px;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, var(--font-size-6xl));
    margin-top: var(--space-6);
    margin-bottom: var(--space-6);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 480px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
}

.hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-subtle);
}

.hero__stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.hero__stat-value {
    font-family: var(--font-family-display);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-brand-primary);
}

.hero__stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Hero Visual */
.hero__visual {
    display: none;
    position: relative;
}

@media (min-width: 1024px) {
    .hero__visual {
        display: block;
    }
}

.hero__card {
    background: var(--color-bg-surface);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.hero__card--main {
    padding: var(--space-6);
}

.hero__card-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: var(--space-6);
}

.hero__card-dots {
    display: flex;
    gap: var(--space-2);
}

.hero__card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border-default);
}

.hero__card-dots span:first-child {
    background: #EF4444;
}

.hero__card-dots span:nth-child(2) {
    background: #F59E0B;
}

.hero__card-dots span:last-child {
    background: #10B981;
}

.hero__card-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
}

.hero__card-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

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

.hero__metric-label {
    flex: 0 0 100px;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.hero__metric-bar {
    flex: 1;
    height: 8px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.hero__metric-fill {
    height: 100%;
    background: var(--color-brand-primary);
    border-radius: var(--radius-full);
    animation: fillBar 1.5s ease-out forwards;
    animation-delay: 0.5s;
    transform: scaleX(0);
    transform-origin: left;
}

@keyframes fillBar {
    to {
        transform: scaleX(1);
    }
}

.hero__metric-fill--teal {
    background: var(--color-brand-secondary);
}

.hero__metric-fill--accent {
    background: var(--color-brand-accent);
}

.hero__metric-value {
    flex: 0 0 80px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-align: right;
}

/* Floating Cards */
.hero__card--float {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.hero__card--float svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-brand-secondary);
}

.hero__card--float span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.hero__card--float-1 {
    top: 10%;
    right: 0;
    animation-delay: 0s;
}

.hero__card--float-2 {
    bottom: 20%;
    left: -5%;
    animation-delay: 3s;
}

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

/* Hero Scroll */
.hero__scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero__scroll-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-bg-surface);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    animation: bounce 2s infinite;
}

.hero__scroll-btn svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-secondary);
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(5px);
    }
}

/* ============================================
   8. SECTIONS
   ============================================ */
.section {
    padding: var(--space-24) 0;
}

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

.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-16);
}

.section__badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-brand-primary);
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section__title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    margin-bottom: var(--space-4);
}

.section__title--left {
    text-align: left;
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   9. SERVICES GRID
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.service-card {
    padding: var(--space-8);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

[data-theme="dark"] .service-card {
    background: var(--color-bg-secondary);
}

.service-card:hover {
    border-color: var(--color-brand-primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
    transform: translateY(-4px);
}

.service-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
    transition: transform var(--transition-spring);
}

.service-card:hover .service-card__icon {
    transform: scale(1.1);
}

.service-card__icon svg {
    width: 28px;
    height: 28px;
}

.service-card__icon--blue {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-brand-primary);
}

.service-card__icon--teal {
    background: rgba(34, 184, 197, 0.1);
    color: var(--color-brand-secondary);
}

.service-card__icon--accent {
    background: rgba(214, 83, 83, 0.1);
    color: var(--color-brand-accent);
}

.service-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-3);
}

.service-card__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
    line-height: var(--line-height-relaxed);
}

.service-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-6);
}

.service-card__features li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.service-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-brand-secondary);
    border-radius: 50%;
}

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

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

.service-card__link svg {
    width: 16px;
    height: 16px;
}

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

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.about__intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
    line-height: var(--line-height-relaxed);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.feature {
    display: flex;
    gap: var(--space-4);
}

.feature__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-brand-secondary);
    border-radius: 50%;
}

.feature__icon svg {
    width: 16px;
    height: 16px;
    color: white;
}

.feature__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-1);
}

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

/* About Visual */
.about__visual {
    position: relative;
}

.about__image-wrapper {
    position: relative;
}

.about__image-bg {
    position: absolute;
    inset: -20px;
    background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%);
    border-radius: var(--radius-3xl);
    opacity: 0.1;
    filter: blur(40px);
}

.about__image {
    position: relative;
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

/* Floating Testimonial */
.testimonial-card--floating {
    position: absolute;
    bottom: -30px;
    left: -30px;
    max-width: 300px;
    padding: var(--space-6);
    background: var(--color-bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border-subtle);
}

@media (max-width: 1023px) {
    .testimonial-card--floating {
        position: relative;
        bottom: auto;
        left: auto;
        max-width: 100%;
        margin-top: var(--space-8);
    }
}

.testimonial-card__quote {
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-4);
    line-height: var(--line-height-relaxed);
}

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

.testimonial-card__avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-brand-secondary);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: 50%;
}

.testimonial-card__info {
    display: flex;
    flex-direction: column;
}

.testimonial-card__info strong {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.testimonial-card__info span {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ============================================
   11. PRICING SECTION
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

[data-theme="dark"] .pricing-card {
    background: var(--color-bg-secondary);
}

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

.pricing-card--featured {
    border-color: var(--color-brand-primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-4);
    background: var(--color-brand-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
}

.pricing-card__header {
    text-align: center;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: var(--space-6);
}

.pricing-card__tier {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
}

.pricing-card__price {
    margin: var(--space-4) 0;
}

.pricing-card__currency {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    vertical-align: top;
}

.pricing-card__amount {
    font-family: var(--font-family-display);
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
}

.pricing-card__period {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
}

.pricing-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.pricing-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-8);
}

.pricing-card__features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.pricing-card__features svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-brand-secondary);
}

/* ============================================
   12. TESTIMONIALS SECTION
   ============================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.testimonial {
    padding: var(--space-8);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.testimonial:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.testimonial__rating {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.testimonial__rating svg {
    width: 18px;
    height: 18px;
    color: #F59E0B;
}

.testimonial__quote {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin: 0 0 var(--space-6);
    line-height: var(--line-height-relaxed);
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
}

.testimonial__avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-brand-primary);
    color: white;
    font-weight: var(--font-weight-semibold);
    border-radius: 50%;
}

.testimonial__info {
    display: flex;
    flex-direction: column;
}

.testimonial__info strong {
    font-weight: var(--font-weight-semibold);
}

.testimonial__info span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.testimonial__metric {
    text-align: center;
    padding: var(--space-4);
    background: rgba(37, 99, 235, 0.05);
    border-radius: var(--radius-lg);
}

.testimonial__metric-value {
    display: block;
    font-family: var(--font-family-display);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-brand-primary);
}

.testimonial__metric-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Trust Badges */
.trust-badges {
    margin-top: var(--space-16);
    text-align: center;
}

.trust-badges__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

.trust-badges__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-8);
}

.trust-badges__logos span {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-full);
}

/* ============================================
   13. CONTACT SECTION
   ============================================ */
.section--contact {
    background: var(--color-bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    background: var(--color-bg-surface);
    border-radius: var(--radius-3xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

@media (min-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info {
    padding: var(--space-12);
    background: var(--color-brand-primary);
    color: white;
}

@media (min-width: 1024px) {
    .contact-info {
        padding: var(--space-16);
    }
}

.contact-info__title {
    font-family: var(--font-family-display);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.contact-info__text {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-10);
}

.contact-info__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.contact-info__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-base);
}

.contact-info__item svg {
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

.contact-info__social {
    display: flex;
    gap: var(--space-4);
}

.contact-info__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background var(--transition-fast);
}

.contact-info__social-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

.contact-info__social-link svg {
    width: 18px;
    height: 18px;
}

/* Contact Form */
.contact-form {
    padding: var(--space-12);
}

@media (min-width: 1024px) {
    .contact-form {
        padding: var(--space-16);
    }
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

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

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-xl);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-10);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   14. FOOTER
   ============================================ */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border-subtle);
}

.footer__main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
    .footer__main {
        grid-template-columns: 2fr 3fr;
    }
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer__logo img {
    width: auto;
    height: 40px;
}

.footer__logo span {
    font-family: var(--font-family-display);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    max-width: 280px;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
}

.footer__heading {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.footer__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__list li {
    margin-bottom: var(--space-2);
}

.footer__list a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-brand-primary);
}

.footer__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    text-align: center;
}

@media (min-width: 640px) {
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.footer__social {
    display: flex;
    gap: var(--space-4);
}

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-muted);
    background: var(--color-bg-secondary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    color: var(--color-brand-primary);
    background: rgba(37, 99, 235, 0.1);
}

.footer__social svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   15. ANIMATIONS (AOS-like)
   ============================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-20px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* ============================================
   16. UTILITIES
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   17. PRINT STYLES
   ============================================ */
@media print {
    .nav,
    .hero__scroll,
    .footer__social {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}