/* =========================================
   KITEO — Design System
   Palette: Clean Light Professional
   Style: Light SaaS + Subtle depth
   Fonts: Inter (UI) + Space Grotesk (headings)
   ========================================= */

:root {
    /* Core Palette */
    --bg-base: #FFFFFF;
    --bg-surface: #F1F5F9;
    --bg-elevated: #E2E8F0;
    --bg-card: #FFFFFF;

    /* Accent Colors */
    --accent-blue: #2563EB;
    --accent-blue-light: #3B82F6;
    --accent-indigo: #4F46E5;
    --accent-green: #059669;
    --accent-purple: #7C3AED;
    --accent-orange: #D97706;

    /* Text */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;

    /* Borders */
    --border: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(37, 99, 235, 0.4);

    /* Gradients */
    --grad-primary: linear-gradient(135deg, #2563EB 0%, #4F46E5 100%);
    --grad-hero: radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.08) 0%, transparent 70%);

    /* Fonts */
    --font-ui: 'Inter', -apple-system, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;

    /* Spacing */
    --section-gap: 120px;

    /* Transitions */
    --t-fast: 200ms ease;
    --t-normal: 300ms ease;
    --t-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Radii */
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;
}

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

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

body {
    font-family: var(--font-ui);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

/* ===== UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-gap) 0;
    position: relative;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.section-label::before {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background: var(--accent-blue);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 60px;
}

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

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    background: var(--grad-primary);
    color: #fff;
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--r-sm);
    border: none;
    cursor: pointer;
    transition: opacity var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
    white-space: nowrap;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.35);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 24px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 15px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(37, 99, 235, 0.04);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-nav {
    display: inline-flex;
    align-items: center;
    padding: 9px 20px;
    background: var(--grad-primary);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--r-sm);
    transition: opacity var(--t-fast), box-shadow var(--t-fast);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.2);
}

.btn-nav:hover {
    opacity: 0.9;
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.3);
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: background var(--t-normal), border-color var(--t-normal), box-shadow var(--t-normal);
    border-bottom: 1px solid transparent;
}

.navbar--scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
    box-shadow: 0 1px 20px rgba(15, 23, 42, 0.06);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--r-sm);
    transition: color var(--t-fast), background var(--t-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(15, 23, 42, 0.04);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    cursor: pointer;
    padding: 8px;
    transition: border-color var(--t-fast);
}

.hamburger span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: transform var(--t-fast), opacity var(--t-fast);
    transform-origin: center;
}

.hamburger--open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.hamburger--open span:nth-child(2) {
    opacity: 0;
}

.hamburger--open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 72px;
    background: var(--bg-base);
}

/* TYPEWRITER CURSOR */
.tw-cursor {
    display: inline-block;
    width: 3px;
    height: 1.1em;
    background-color: var(--accent-blue);
    margin-left: 4px;
    vertical-align: text-bottom;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 70%);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

.glow-1 {
    width: 700px;
    height: 500px;
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
}

.glow-2 {
    width: 400px;
    height: 400px;
    bottom: 0;
    right: -100px;
    background: radial-gradient(ellipse, rgba(79, 70, 229, 0.07) 0%, transparent 70%);
}



/* EFFECT D (NEW): Animated grid squares */
.grid-square {
    position: absolute;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    will-change: transform, opacity;
}

/* EFFECT B: card 3D tilt — driven by CSS vars set via JS */
.service-card,
.project-card {
    transform-style: preserve-3d;
    will-change: transform;
}

.service-card.is-tilting,
.project-card.is-tilting {
    transition: transform 0.08s linear, box-shadow var(--t-normal), border-color var(--t-normal);
}

/* .tilt-shine — inner highlight that moves with mouse */
.tilt-shine {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%),
            rgba(37, 99, 235, 0.05) 0%,
            transparent 60%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--t-normal);
    z-index: 0;
}

.service-card:hover .tilt-shine,
.project-card:hover .tilt-shine {
    opacity: 1;
}

/* EFFECT C: counter number animation */
@keyframes count-pop {
    0% {
        transform: translateY(6px);
        opacity: 0;
    }

    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.stat-number.counting {
    animation: count-pop 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 80px 24px;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 6px 16px 6px 10px;
    margin-bottom: 32px;
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(5, 150, 105, 0.07);
    }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(42px, 6vw, 80px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 28px;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 580px;
    margin-bottom: 40px;
}

.hero-ctas {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--border), transparent);
    margin: 0 auto;
    animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
    0% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }

    100% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* ===== SERVICES ===== */
.services {
    background-color: var(--bg-surface);
    background-image:
        radial-gradient(ellipse at 50% 0%, transparent 10%, var(--bg-surface) 70%),
        linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    background-position: center, center top, center top;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 36px;
    transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top left, rgba(37, 99, 235, 0.03) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--t-normal);
}

.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card--wide {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 40px;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.07);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: var(--r-md);
    color: var(--accent-blue);
    margin-bottom: 24px;
    transition: background var(--t-normal), color var(--t-normal), border-color var(--t-normal);
    flex-shrink: 0;
}

.service-card:hover .service-icon {
    background: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.25);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tags span {
    font-size: 12px;
    font-weight: 500;
    color: var(--accent-blue);
    background: rgba(37, 99, 235, 0.06);
    border: 1px solid rgba(37, 99, 235, 0.12);
    border-radius: 100px;
    padding: 3px 12px;
}

.service-card--wide .service-icon {
    margin-bottom: 0;
}

.wide-card-content {
    flex: 1;
}

.wide-card-content h3 {
    margin-bottom: 12px;
}

.wide-card-content p {
    margin-bottom: 0;
}

.wide-card-stats {
    display: flex;
    gap: 20px;
    flex-shrink: 0;
}

.wide-stat {
    text-align: center;
    padding: 20px 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
}

.wide-stat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 4px;
}

.wide-stat-lbl {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== IA SECTION ===== */
.ia-section {
    background: var(--bg-base);
    overflow: hidden;
}

.ia-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.ia-glow {
    position: absolute;
    width: 700px;
    height: 600px;
    top: 50%;
    left: -200px;
    transform: translateY(-50%);
    background: radial-gradient(ellipse, rgba(79, 70, 229, 0.06) 0%, transparent 60%);
    filter: blur(60px);
}

.ia-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.ia-text .section-subtitle {
    max-width: 100%;
}

.ia-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.ia-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 15px;
    color: var(--text-secondary);
}

.ia-list-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 150, 105, 0.08);
    border-radius: 50%;
    color: var(--accent-green);
}

/* AI Card Visual */
.ai-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
}

.ai-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}

.ai-dots {
    display: flex;
    gap: 6px;
}

.ai-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.ai-dots span:nth-child(1) {
    background: #EF4444;
}

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

.ai-dots span:nth-child(3) {
    background: #10B981;
}

.ai-card-title {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.ai-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 200px;
    background: var(--bg-surface);
}

.ai-message {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.ai-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    color: #fff;
    flex-shrink: 0;
}

.ai-bubble {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px 14px 14px 14px;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 280px;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
}

.ai-highlight {
    color: var(--accent-green);
    font-weight: 600;
}

.ai-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding-left: 42px;
}

.ai-typing span {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing-bounce 1.2s ease-in-out infinite;
}

.ai-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.ai-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing-bounce {

    0%,
    80%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    40% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

.ai-card-metrics {
    display: flex;
    gap: 0;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
}

.ai-metric {
    flex: 1;
    padding: 16px;
    text-align: center;
    border-right: 1px solid var(--border);
}

.ai-metric:last-child {
    border-right: none;
}

.ai-metric-val {
    display: block;
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.ai-metric-lbl {
    font-size: 11px;
    color: var(--text-muted);
}

/* ===== PROJECTS ===== */
.projects {
    background-color: var(--bg-surface);
    background-image:
        radial-gradient(ellipse at 50% 0%, transparent 10%, var(--bg-surface) 70%),
        linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    background-position: center, center top, center top;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 36px;
    transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.09);
}

.project-card--featured {
    border-color: rgba(5, 150, 105, 0.2);
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.03) 0%, var(--bg-card) 50%);
}

.project-card--featured:hover {
    border-color: rgba(5, 150, 105, 0.35);
}

.project-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-green);
    background: rgba(5, 150, 105, 0.08);
    border: 1px solid rgba(5, 150, 105, 0.18);
    border-radius: 100px;
    padding: 4px 12px;
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.project-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--r-md);
}

.project-icon--purple {
    background: rgba(124, 58, 237, 0.08);
    border: 1px solid rgba(124, 58, 237, 0.15);
    color: var(--accent-purple);
}

.project-icon--blue {
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    color: var(--accent-blue);
}

.project-icon--green {
    background: rgba(5, 150, 105, 0.08);
    border: 1px solid rgba(5, 150, 105, 0.15);
    color: var(--accent-green);
}

.project-icon--orange {
    background: rgba(217, 119, 6, 0.08);
    border: 1px solid rgba(217, 119, 6, 0.15);
    color: var(--accent-orange);
}

.project-type {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.project-name {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.project-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tags span {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 3px 12px;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    background: var(--bg-base);
}

.cta-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-glow {
    position: absolute;
    width: 800px;
    height: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse, rgba(37, 99, 235, 0.07) 0%, transparent 60%);
    filter: blur(60px);
}

.cta-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    position: relative;
    z-index: 1;
    overflow: hidden;
    box-shadow: 0 4px 40px rgba(15, 23, 42, 0.06);
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.4), transparent);
}

.cta-inner {
    padding: 80px;
    text-align: center;
}

.cta-label {
    display: inline-flex;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-blue);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.cta-location {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--bg-surface);
    background-image:
        radial-gradient(ellipse at 50% 0%, transparent 10%, var(--bg-surface) 70%),
        linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    background-position: center, center top, center top;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    padding: 60px 24px;
}

.footer-logo {
    margin-bottom: 16px;
    display: inline-block;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 300px;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--text-muted);
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.social-link:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(37, 99, 235, 0.06);
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--text-muted);
    transition: color var(--t-fast);
}

.footer-col ul li a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
}

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

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.service-card:nth-child(2).reveal {
    transition-delay: 0.1s;
}

.service-card:nth-child(3).reveal {
    transition-delay: 0.15s;
}

.service-card:nth-child(4).reveal {
    transition-delay: 0.2s;
}

.service-card:nth-child(5).reveal {
    transition-delay: 0.25s;
}

.project-card:nth-child(2).reveal {
    transition-delay: 0.1s;
}

.project-card:nth-child(3).reveal {
    transition-delay: 0.2s;
}

.project-card:nth-child(4).reveal {
    transition-delay: 0.3s;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .ia-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .ai-card {
        max-width: 500px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-gap: 70px;
    }

    .hamburger {
        display: flex;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(20px);
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
        transform: translateY(-110%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--t-slow), opacity var(--t-normal);
        z-index: 99;
    }

    .nav-list--open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 16px;
    }

    .btn-nav {
        margin-top: 8px;
        text-align: center;
        justify-content: center;
        padding: 14px 20px;
        font-size: 16px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-stats {
        gap: 20px;
    }

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

    .service-card--wide {
        flex-direction: column;
    }

    .wide-card-stats {
        flex-direction: row;
        width: 100%;
    }

    .wide-stat {
        flex: 1;
    }

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

    .cta-inner {
        padding: 48px 28px;
    }

    .cta-actions {
        flex-direction: column;
    }

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

    .footer-bottom .container {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-wrap: wrap;
    }

    .stat-divider {
        display: none;
    }

    .footer-nav {
        grid-template-columns: 1fr;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}