/* ============================================
   Wiass Ghulam - Digital Growth Expert
   Premium Portfolio Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Dark Theme (Default) */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-text: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6a6a7a;
    
    /* Accent Colors */
    --color-accent-1: #8DEA73;
    --color-accent-2: #3EA8D7;
    --color-accent-gradient: linear-gradient(135deg, var(--color-accent-1) 0%, var(--color-accent-2) 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-header: 100;
    --z-modal: 200;
    --z-tooltip: 300;
}

/* Light Theme */
[data-theme="light"] {
    --color-bg: #fafafa;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f0f0f5;
    --color-text: #1a1a2e;
    --color-text-secondary: #4a4a5a;
    --color-text-muted: #8a8a9a;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-sm) 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

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

.logo-text {
    color: var(--color-text);
}

.logo-accent {
    color: var(--color-accent-1);
}

/* Navigation */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

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

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

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

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

.nav-link--cta {
    background: var(--color-accent-gradient);
    color: #0a0a0f !important;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav-link--cta::after {
    display: none;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    background: var(--color-bg-tertiary);
    transform: scale(1.05);
}

.theme-icon--light {
    display: none;
}

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

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

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
}

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

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: calc(var(--space-3xl) + 60px) 0 var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: blob-float 20s ease-in-out infinite;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: var(--color-accent-1);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--color-accent-2);
    bottom: -150px;
    left: -100px;
    animation-delay: -5s;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-accent-1), var(--color-accent-2));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes blob-float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(-30px, -20px) scale(1.02);
    }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-1);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn--primary {
    background: var(--color-accent-gradient);
    color: #0a0a0f;
    box-shadow: 0 4px 20px rgba(141, 234, 115, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(141, 234, 115, 0.4);
}

.btn--secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-text);
}

.btn--secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-accent-1);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

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

.hero-proof {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.proof-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.proof-icon {
    font-size: 1rem;
}

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

.profile-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    max-width: 340px;
    box-shadow: var(--glass-shadow);
    animation: card-float 6s ease-in-out infinite;
}

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

.profile-image-wrapper {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto var(--space-lg);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.profile-glow {
    position: absolute;
    inset: -10px;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-lg);
    opacity: 0.3;
    filter: blur(20px);
    z-index: -1;
}

.profile-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.profile-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.profile-badges {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.skill-badge {
    background: var(--color-bg-tertiary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-accent-1);
}

.profile-quote {
    font-style: italic;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    animation: float-card 4s ease-in-out infinite;
}

.floating-card--1 {
    top: 20%;
    right: 0;
    animation-delay: 0s;
}

.floating-card--2 {
    bottom: 20%;
    left: 0;
    animation-delay: -2s;
}

@keyframes float-card {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.scroll-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent-1), transparent);
    animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
    0%, 100% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent-1);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

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

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: var(--color-bg-secondary);
}

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

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card--highlight {
    background: linear-gradient(135deg, rgba(141, 234, 115, 0.1) 0%, rgba(62, 168, 215, 0.1) 100%);
    border-color: var(--color-accent-1);
}

.service-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--color-accent-gradient);
    color: #0a0a0f;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-accent-1);
}

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

.service-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.service-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

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

.service-features li {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding-left: var(--space-md);
    position: relative;
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent-1);
}

.service-cta {
    display: inline-block;
    margin-top: var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent-1);
    transition: color var(--transition-fast);
}

.service-cta:hover {
    color: var(--color-accent-2);
}

/* ============================================
   Portfolio Section
   ============================================ */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-accent-gradient);
    color: #0a0a0f;
    border-color: transparent;
}

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

.portfolio-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent-1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.portfolio-card.hidden {
    display: none;
}

.portfolio-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-image {
    transform: scale(1.05);
}

.portfolio-content {
    padding: var(--space-lg);
}

.portfolio-tags {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
}

.portfolio-tag {
    background: var(--color-bg-tertiary);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-accent-1);
}

.portfolio-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.portfolio-context {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Portfolio Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    z-index: 1;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--color-accent-1);
    color: #0a0a0f;
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--space-xl);
}

.modal-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.modal-tags {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.modal-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.modal-context {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.modal-section {
    margin-bottom: var(--space-lg);
}

.modal-section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-accent-1);
}

.modal-actions {
    list-style: none;
}

.modal-actions li {
    padding: var(--space-xs) 0;
    padding-left: var(--space-md);
    position: relative;
    color: var(--color-text-secondary);
}

.modal-actions li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent-1);
}

.modal-results {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.modal-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    color: var(--color-accent-1);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.modal-link:hover {
    color: var(--color-accent-2);
}

/* ============================================
   Méthode Section
   ============================================ */
.methode {
    background: var(--color-bg-secondary);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(to right, var(--color-accent-1), var(--color-accent-2));
    opacity: 0.3;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.step-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.step-content:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-1);
}

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

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

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

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-card {
    flex: 0 0 100%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
}

.testimonial-quote {
    font-size: 4rem;
    line-height: 1;
    color: var(--color-accent-1);
    opacity: 0.5;
    margin-bottom: var(--space-md);
}

.testimonial-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 56px;
    height: 56px;
    background: var(--color-accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #0a0a0f;
}

.author-name {
    font-size: var(--font-size-base);
    font-weight: 700;
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.testimonial-btn {
    width: 48px;
    height: 48px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.testimonial-btn:hover {
    background: var(--color-accent-gradient);
    color: #0a0a0f;
    border-color: transparent;
}

.testimonial-btn svg {
    width: 20px;
    height: 20px;
}

.testimonials-dots {
    display: flex;
    gap: var(--space-xs);
}

.dot {
    width: 10px;
    height: 10px;
    background: var(--color-bg-tertiary);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.dot.active {
    background: var(--color-accent-gradient);
    width: 30px;
    border-radius: var(--radius-full);
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-content .section-tag,
.about-content .section-title {
    text-align: left;
}

.about-text {
    margin-bottom: var(--space-xl);
}

.about-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.education-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

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

.education-item {
    display: flex;
    gap: var(--space-md);
}

.education-date {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent-1);
    min-width: 100px;
}

.education-content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.education-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.about-tools {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

.tools-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

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

.tool-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.tool-item:hover {
    transform: translateX(5px);
    border-left: 3px solid var(--color-accent-1);
}

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

.tool-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--color-bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info .section-tag,
.contact-info .section-title {
    text-align: left;
}

.contact-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-base);
}

.benefit-icon {
    width: 24px;
    height: 24px;
    background: var(--color-accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    color: #0a0a0f;
    font-weight: 700;
}

.contact-email {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.email-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.email-link {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-accent-1);
    transition: color var(--transition-fast);
}

.email-link:hover {
    color: var(--color-accent-2);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
    padding: var(--space-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-1);
    box-shadow: 0 0 0 3px rgba(141, 234, 115, 0.1);
}

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0b0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

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

/* Form Success */
.form-success {
    display: none;
    text-align: center;
    padding: var(--space-xl);
}

.form-success.active {
    display: block;
}

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

.success-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.success-text {
    color: var(--color-text-secondary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--glass-border);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.footer-nav {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.footer-link {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-accent-1);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-accent-gradient);
    color: #0a0a0f;
    border-color: transparent;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.back-to-top {
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.back-to-top:hover {
    background: var(--color-accent-gradient);
    color: #0a0a0f;
    border-color: transparent;
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-proof {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-bg-secondary);
        border-left: 1px solid var(--glass-border);
        padding: calc(var(--space-3xl) + 60px) var(--space-lg) var(--space-lg);
        transition: right var(--transition-base);
        z-index: 99;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .menu-toggle {
        display: flex;
        z-index: 101;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent-1);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent-1);
    color: #0a0a0f;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    z-index: 1000;
}

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