/* ===================================
   DACKER - Site Vitrine Premium
   Design moderne & professionnel
   =================================== */

/* CSS Variables - Theme Sombre Premium */
:root {
    /* Couleurs principales */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a24;
    --color-bg-elevated: #222230;

    /* Accents et gradients */
    --color-accent-primary: #172cac;
    --color-accent-secondary: #2a45c9;
    --color-accent-tertiary: #4a6ae0;
    --color-accent-cyan: #22d3ee;
    --color-accent-emerald: #10b981;

    /* Texte */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-tertiary: #64748b;
    --color-text-muted: #475569;

    /* Bordures et surfaces */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --color-glass: rgba(255, 255, 255, 0.03);
    --color-glass-hover: rgba(255, 255, 255, 0.06);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #172cac 0%, #2a45c9 50%, #4a6ae0 100%);
    --gradient-secondary: linear-gradient(135deg, #22d3ee 0%, #172cac 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
    --gradient-radial: radial-gradient(ellipse at top, #1a1a24 0%, #0a0a0f 70%);
    --gradient-glow: radial-gradient(circle at 50% 50%, rgba(23, 44, 172, 0.15) 0%, transparent 50%);

    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;

    /* Container */
    --container-max: 1280px;
    --container-padding: 2rem;

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

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(23, 44, 172, 0.3);
    --shadow-glow-sm: 0 0 20px rgba(23, 44, 172, 0.2);

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

/* CSS Variables - Theme Clair */
[data-theme="light"] {
    /* Couleurs principales */
    --color-bg-primary: #f0eee6;
    --color-bg-secondary: #e8e6de;
    --color-bg-tertiary: #dfddd5;
    --color-bg-elevated: #ffffff;

    /* Accents - Plus vifs pour le thème clair */
    --color-accent-primary: #3b82f6;
    --color-accent-secondary: #60a5fa;
    --color-accent-tertiary: #93c5fd;

    /* Gradients - Plus vifs */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 50%, #93c5fd 100%);
    --gradient-secondary: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);

    /* Texte */
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a4a5a;
    --color-text-tertiary: #6a6a7a;
    --color-text-muted: #8a8a9a;

    /* Bordures et surfaces */
    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-hover: rgba(0, 0, 0, 0.15);
    --color-glass: rgba(255, 255, 255, 0.6);
    --color-glass-hover: rgba(255, 255, 255, 0.8);

    /* Gradients */
    --gradient-dark: linear-gradient(180deg, #f0eee6 0%, #e8e6de 100%);
    --gradient-radial: radial-gradient(ellipse at top, #e8e6de 0%, #f0eee6 70%);
    --gradient-glow: radial-gradient(circle at 50% 50%, rgba(23, 44, 172, 0.08) 0%, transparent 50%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(23, 44, 172, 0.15);
    --shadow-glow-sm: 0 0 20px rgba(23, 44, 172, 0.1);
}

/* Theme Transition */
html {
    transition: background-color var(--transition-base), color var(--transition-base);
}

html * {
    transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--color-accent-primary);
    color: var(--color-text-primary);
}

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

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

a:hover {
    color: var(--color-accent-secondary);
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.75rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

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

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

/* Sections */
.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
}

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

/* Background effects */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    pointer-events: none;
    opacity: 0.5;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-lg);
}

/* Header - Theme Clair */
[data-theme="light"] .header {
    background: rgba(240, 238, 230, 0.85);
}

[data-theme="light"] .header.scrolled {
    background: rgba(240, 238, 230, 0.98);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 36px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-list {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-link {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: calc(100% - 1rem);
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Mobile menu toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 100;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-primary);
    margin-left: var(--spacing-sm);
}

.theme-toggle:hover {
    background: var(--color-glass-hover);
    border-color: var(--color-border-hover);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

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

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

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow-sm);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--color-text-primary);
}

.btn--secondary {
    background: var(--color-glass);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.btn--secondary:hover {
    background: var(--color-glass-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
    color: var(--color-text-primary);
}

.btn--white {
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
}

.btn--white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-bg-primary);
}

.btn--large {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn--icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-radial);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

/* Animated gradient orbs */
.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(23, 44, 172, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(42, 69, 201, 0.12) 0%, transparent 70%);
    filter: blur(60px);
    animation: float 25s ease-in-out infinite reverse;
}

/* Hero - Theme Clair */
[data-theme="light"] .hero::before {
    background: radial-gradient(circle, rgba(23, 44, 172, 0.08) 0%, transparent 70%);
}

[data-theme="light"] .hero::after {
    background: radial-gradient(circle, rgba(42, 69, 201, 0.06) 0%, transparent 70%);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -30px) scale(1.1); }
    50% { transform: translate(20px, 40px) scale(0.95); }
    75% { transform: translate(-30px, 20px) scale(1.05); }
}

/* Grid pattern overlay */
.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent-emerald);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-accent-emerald);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
    line-height: 1.05;
}

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

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===================================
   CARDS - Glassmorphism Style
   =================================== */
.card {
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-hover);
    background: var(--color-glass-hover);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow-sm);
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.card p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
    line-height: 1.7;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Services Grid - Homepage with images */
.services-grid--home {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.services-grid--4cols {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.card--service {
    text-decoration: none;
    padding: 0;
    overflow: hidden;
    cursor: pointer;
}

.card--service:hover {
    color: inherit;
}

.card-service-image {
    height: 180px;
    overflow: hidden;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

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

.card--service:hover .card-service-image img {
    transform: scale(1.08);
}

.card--service h3 {
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-xs);
    font-size: 1.1rem;
}

.card--service p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ===================================
   STATS SECTION
   =================================== */
.stats {
    background: var(--color-bg-secondary);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.stat-item:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.stat-item h3 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.stat-item p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ===================================
   TEAM SECTION
   =================================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.team-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.team-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-8px);
}

.team-card-image {
    width: 140px;
    height: 140px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    background: var(--gradient-primary);
    padding: 3px;
}

.team-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
}

.team-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.team-card-role {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.team-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.team-card-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.team-card-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.team-card-social a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-text-primary);
    transform: translateY(-2px);
}

/* ===================================
   PORTFOLIO SECTION
   =================================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow-sm);
}

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

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

.portfolio-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
}

.portfolio-card-image {
    height: 240px;
    background: var(--color-bg-tertiary);
    overflow: hidden;
    position: relative;
}

.portfolio-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 15, 0.8) 100%);
}

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

.portfolio-card:hover .portfolio-card-image img {
    transform: scale(1.08);
}

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

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

.portfolio-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: #93c5fd;
}

[data-theme="light"] .portfolio-tag {
    background: rgba(23, 44, 172, 0.12);
    border-color: rgba(23, 44, 172, 0.3);
    color: #2a45c9;
}

.portfolio-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.portfolio-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ===================================
   SUCCESS STORIES
   =================================== */
.success-stories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.success-card {
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.success-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.success-card-logo {
    height: 50px;
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.success-card-logo img {
    max-height: 100%;
    max-width: 200px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

[data-theme="light"] .success-card-logo img {
    filter: brightness(0);
}

.success-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.success-card-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.success-card-points li {
    position: relative;
    padding-left: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.success-card-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--color-accent-tertiary);
    border-radius: 50%;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.contact-info > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    border-color: var(--color-border-hover);
    background: var(--color-glass-hover);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    font-weight: 500;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item-text p {
    color: var(--color-text-primary);
    font-weight: 500;
    margin-bottom: 0;
}

/* Contact Form */
.contact-form {
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(23, 44, 172, 0.15);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

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

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo-text {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-text-primary);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
}

.footer-links a:hover {
    color: var(--color-text-primary);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.footer-bottom a {
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.footer-bottom a:hover {
    color: var(--color-text-primary);
}

/* ===================================
   PAGE HERO
   =================================== */
.page-hero {
    padding: 140px 0 40px;
    background: var(--gradient-radial);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(23, 44, 172, 0.1) 0%, transparent 60%);
    filter: blur(40px);
}

.page-hero h1 {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.page-hero p {
    position: relative;
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Legal pages - minimal style */
.page-hero--legal {
    padding: 130px 0 20px;
}

.page-hero--legal h1 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0;
}

.legal-content h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.legal-content p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.legal-content h2.mt-xl {
    margin-top: var(--spacing-xl);
}

/* Reduce gap between page-hero and first section */
.page-hero + .section,
.page-hero + .section.section--alt {
    padding-top: var(--spacing-2xl);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.25rem;
    margin-right: var(--spacing-sm);
}

.lang-btn {
    padding: 0.25rem 0.5rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn.active {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
}

.lang-btn:hover:not(.active) {
    color: var(--color-text-primary);
}

/* Mobile lang switcher inside nav overlay */
.lang-switcher-mobile {
    display: none;
    position: fixed;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1002;
    align-items: center;
    gap: 0.25rem;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.5rem;
}

.lang-switcher-mobile.visible {
    display: flex;
}

/* About Content */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.about-text h2 {
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* Values */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.value-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: var(--color-text-primary);
    font-size: 2rem;
    box-shadow: var(--shadow-glow);
}

/* ===================================
   CLIENT LOGOS
   =================================== */
.clients-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl) var(--spacing-2xl);
    max-width: 1100px;
    margin: 0 auto;
}

.client-logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 70px;
}

.client-logo {
    max-height: 100%;
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0.7;
    filter: brightness(0) invert(1);
    transition: opacity var(--transition-base);
}

.client-logo:hover {
    opacity: 1;
}

[data-theme="light"] .client-logo {
    filter: brightness(0);
    opacity: 0.45;
}

[data-theme="light"] .client-logo:hover {
    opacity: 0.75;
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    background: var(--color-bg-tertiary);
    text-align: center;
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    opacity: 0.5;
}

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

.cta-section h2 {
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.125rem;
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center {
    text-align: center;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered animations */
.reveal:nth-child(1) { transition-delay: 0ms; }
.reveal:nth-child(2) { transition-delay: 100ms; }
.reveal:nth-child(3) { transition-delay: 200ms; }
.reveal:nth-child(4) { transition-delay: 300ms; }

/* Hover glow effect */
.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow);
}

/* Smooth image loading */
img {
    opacity: 1;
    transition: opacity var(--transition-base);
}

img[loading="lazy"] {
    opacity: 0;
}

img[loading="lazy"].loaded {
    opacity: 1;
}