/* ==========================================================================
   PSICOLAB - STYLES.CSS
   Scientific Minimalism Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS CUSTOM PROPERTIES (Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Primary Palette */
    --color-primary: #0066CC;
    --color-primary-dark: #0052A3;
    --color-primary-light: #3385D6;
    --color-primary-subtle: rgba(0, 102, 204, 0.08);
    
    /* Colors - Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F8F9FA;
    --color-gray-100: #F1F3F5;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6B7280;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #1A1A1A;
    
    /* Colors - Semantic */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    /* Typography */
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 4.5rem);
    
    /* Font Weights */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Spacing Scale */
    --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;
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: var(--space-6);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-regular);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
}

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

ul,
ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-bold);
    line-height: 1.2;
    color: var(--color-gray-900);
}

/* --------------------------------------------------------------------------
   UTILITY CLASSES
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

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

.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;
}

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: 1.4;
    text-align: center;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

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

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

.btn-white:hover {
    background-color: var(--color-gray-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-primary .btn-icon {
    stroke: currentColor;
}

.btn-outline .btn-icon {
    stroke: currentColor;
}

.btn-arrow {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-card {
    width: 100%;
    margin-top: auto;
}

/* --------------------------------------------------------------------------
   HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: var(--space-6);
}

.logo img {
    height: 45px;
    width: auto;
}

.nav-menu {
    display: none;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    position: relative;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transform: translateX(-50%);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: calc(100% - var(--space-8));
}

.nav-cta {
    display: none;
}

/* Hamburger Menu Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    bottom: -7px;
}

/* Hamburger Animation */
.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Mobile Menu */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    padding: var(--space-8) var(--space-6);
    gap: var(--space-2);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-menu.active .nav-link {
    font-size: var(--text-lg);
    padding: var(--space-4);
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding-top: 72px;
    background-color: var(--color-white);
    overflow: hidden;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-16) 0;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease;
}

.badge-icon {
    font-size: 0.75em;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    line-height: 1.1;
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    animation: fadeInUp 0.6s ease 0.3s both;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-gray-400);
    animation: fadeInUp 0.6s ease 0.5s both;
}

.scroll-text {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--color-gray-300);
    border-radius: 10px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    width: 4px;
    height: 4px;
    background-color: var(--color-gray-400);
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 1.5s infinite;
}

@keyframes scrollBounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0.3; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   STATS SECTION
   -------------------------------------------------------------------------- */
.stats {
    padding: var(--space-16) 0;
    background-color: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number-wrapper {
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-left: 2px;
}

.stat-label {
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-weight: var(--font-medium);
    line-height: 1.4;
}

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

.section-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-badge.light {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.section-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
}

.section-subtitle-large {
    font-size: var(--text-xl);
    color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   SERVICES SECTION
   -------------------------------------------------------------------------- */
.services {
    padding: var(--space-24) 0;
    background-color: var(--color-white);
}

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

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--space-8);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

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

.service-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.service-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.card-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

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

.card-tag {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

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

.card-description {
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

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

.feature-icon {
    color: var(--color-primary);
    font-size: 0.5em;
}

/* Image Placeholders */
.card-image-placeholder,
.visual-placeholder,
.about-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-8);
    background-color: var(--color-gray-100);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    min-height: 150px;
}

/* Real Images in Cards */
.card-image {
    margin-bottom: var(--space-6);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.card-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-base);
}

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

.placeholder-text {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-gray-500);
}

.placeholder-hint {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    text-align: center;
}

/* --------------------------------------------------------------------------
   FUSION SECTION
   -------------------------------------------------------------------------- */
.fusion {
    padding: var(--space-24) 0;
    background-color: var(--color-gray-50);
}

.fusion-intro {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.fusion-intro strong {
    color: var(--color-gray-900);
}

.pillars-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.pillar-card {
    padding: var(--space-8);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.pillar-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--space-4);
}

.pillar-icon svg {
    width: 32px;
    height: 32px;
}

.pillar-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.pillar-text {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.fusion-visual {
    max-width: 900px;
    margin: 0 auto;
}

.fusion-visual .visual-placeholder {
    min-height: 250px;
}

.fusion-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   ABOUT SECTION
   -------------------------------------------------------------------------- */
.about {
    padding: var(--space-24) 0;
    background-color: var(--color-white);
}

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

.about-content .section-badge {
    margin-bottom: var(--space-4);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--space-6);
}

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

.about-text strong {
    color: var(--color-gray-900);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin: var(--space-8) 0;
}

.highlight {
    text-align: center;
    padding: var(--space-4);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.highlight-number {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    display: block;
}

.highlight-label {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    margin-top: var(--space-1);
    line-height: 1.4;
}

.about-visual {
    order: -1;
}

.about-image-placeholder {
    min-height: 300px;
    background-color: var(--color-gray-100);
}

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

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4/5;
    object-fit: cover;
}

/* --------------------------------------------------------------------------
   CLIENTS SECTION
   -------------------------------------------------------------------------- */
.clients {
    padding: var(--space-20) 0;
    background-color: var(--color-white);
    overflow: hidden;
}

.clients-marquee {
    position: relative;
    margin-top: var(--space-8);
}

.clients-marquee::before,
.clients-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.clients-marquee::before {
    left: 0;
    background: linear-gradient(to right, var(--color-white), transparent);
}

.clients-marquee::after {
    right: 0;
    background: linear-gradient(to left, var(--color-white), transparent);
}

.marquee-track {
    display: flex;
    gap: var(--space-12);
    animation: marquee 30s linear infinite;
    width: max-content;
}

.marquee-track:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.client-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.5);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.client-logo:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.05);
}

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

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

.cta-subtitle {
    text-align: center;
    font-size: var(--text-lg);
    opacity: 0.9;
    margin-bottom: var(--space-12);
}

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

.cta-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-base);
}

.cta-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.cta-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
}

.cta-card-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-white);
}

.cta-card h3 {
    color: var(--color-white);
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.cta-card p {
    font-size: var(--text-sm);
    opacity: 0.9;
    margin-bottom: var(--space-6);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo img {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-4);
    filter: brightness(0) invert(1);
}

.footer-description {
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.footer-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-white);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

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

.footer-icon {
    font-size: 1em;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-8);
    text-align: center;
}

.footer-copyright {
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.footer-founder {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

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

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

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

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

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

/* --------------------------------------------------------------------------
   RESPONSIVE STYLES
   -------------------------------------------------------------------------- */

/* Tablet (768px and up) */
@media (min-width: 768px) {
    :root {
        --container-padding: var(--space-8);
    }
    
    .nav-menu {
        display: flex;
    }
    
    .nav-toggle {
        display: none;
    }
    
    .nav-cta {
        display: inline-flex;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-card:nth-child(2) {
        grid-column: span 2;
    }
    
    .pillars-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-visual {
        order: 0;
    }
    
    .cta-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--text-5xl);
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .service-card:nth-child(2) {
        grid-column: span 1;
    }
    
    .about-grid {
        gap: var(--space-20);
    }
    
    .about-image-placeholder {
        min-height: 400px;
    }
}

/* Large Desktop (1280px and up) */
@media (min-width: 1280px) {
    :root {
        --container-padding: var(--space-12);
    }
}

/* --------------------------------------------------------------------------
   ANIMATIONS & SCROLL EFFECTS
   -------------------------------------------------------------------------- */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Reduced Motion */
@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;
    }
    
    .marquee-track {
        animation: none;
    }
}