/* ============================================
   LuxSoft — CSS Design System
   Luxembourg-inspired premium tech studio
   ============================================ */

/* --- Design Tokens --- */
:root {
    /* Luxembourg-inspired palette */
    --color-primary: #0066b3;
    --color-primary-light: #1a8cd8;
    --color-primary-dark: #004d87;
    --color-accent: #d4002a;
    --color-accent-light: #e63350;

    /* Neutrals */
    --color-bg: #ffffff;
    --color-bg-alt: #f7f8fa;
    --color-bg-card: #ffffff;
    --color-bg-elevated: #ffffff;
    --color-surface: #f0f2f5;
    --color-border: #e2e5ea;
    --color-border-light: #eef0f3;
    --color-text: #0f1729;
    --color-text-secondary: #4a5568;
    --color-text-muted: #8494a7;

    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;

    /* Transitions */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration: 0.3s;
    --duration-slow: 0.6s;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(15, 23, 41, 0.06);
    --shadow-md: 0 4px 20px rgba(15, 23, 41, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 23, 41, 0.12);
    --shadow-xl: 0 24px 60px rgba(15, 23, 41, 0.16);
}

/* --- Dark Theme --- */
[data-theme="dark"] {
    --color-bg: #0b0f1a;
    --color-bg-alt: #111827;
    --color-bg-card: #151c2c;
    --color-bg-elevated: #1a2237;
    --color-surface: #1e293b;
    --color-border: #2a3548;
    --color-border-light: #1e293b;
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-primary: #3b9eff;
    --color-primary-light: #60b0ff;
    --color-primary-dark: #2580d4;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.35);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--duration) var(--ease-out);
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all var(--duration) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 102, 179, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 179, 0.4);
}

.btn-primary .material-icons-outlined {
    font-size: 18px;
    transition: transform var(--duration) var(--ease-out);
}

.btn-primary:hover .material-icons-outlined {
    transform: translateX(4px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

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

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

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--duration) var(--ease-out);
    background: transparent;
}

.navbar.scrolled {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
    backdrop-filter: blur(20px);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(11, 15, 26, 0.9);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 4px 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--duration) var(--ease-out);
}

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

.nav-cta {
    background: var(--color-primary) !important;
    color: #fff !important;
    padding: 8px 20px !important;
    border-radius: var(--radius-sm) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--color-primary-dark) !important;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--duration) var(--ease-out);
}

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

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

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--duration) var(--ease-out);
}

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

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

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

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border-light) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border-light) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
}

.hero-badge-flag {
    font-size: 1.1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 4.5vw, 3.8rem);
    margin-bottom: 24px;
    color: var(--color-text);
}

.hero-title-accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 520px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
}

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

.hero-metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-text);
}

.hero-metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-visual-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-visual-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}

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

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

.hero-visual-dots span:nth-child(1) { background: #ff5f57; }
.hero-visual-dots span:nth-child(2) { background: #febc2e; }
.hero-visual-dots span:nth-child(3) { background: #28c840; }

.hero-visual-title {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.hero-visual-body {
    display: flex;
    padding: 20px;
    gap: 16px;
    min-height: 280px;
}

.hero-visual-sidebar {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 40px;
}

.hv-nav-item {
    height: 8px;
    border-radius: 4px;
    background: var(--color-surface);
    transition: all var(--duration) var(--ease-out);
    cursor: pointer;
}

.hv-nav-item:hover {
    background: var(--color-border);
}

.hv-nav-item.active {
    background: var(--color-primary);
    box-shadow: 0 0 8px rgba(59, 158, 255, 0.3);
}

.hero-visual-main {
    flex: 1;
    position: relative;
    min-height: 280px;
}

.hv-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 16px 0;
    height: 160px;
}

.hv-bar {
    flex: 1;
    height: var(--h);
    background: linear-gradient(to top, var(--color-primary), var(--color-primary-light));
    border-radius: 4px 4px 0 0;
    transform-origin: bottom;
    opacity: 1;
}

@keyframes barGrow {
    from { transform: scaleY(0); opacity: 0; }
    to { transform: scaleY(1); opacity: 1; }
}

/* Slides */
.hv-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease-out);
}

.hv-slide.active {
    opacity: 1;
    pointer-events: auto;
}

@keyframes hvFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.hv-slide-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    padding-bottom: 4px;
}

.hv-cards {
    display: flex;
    gap: 10px;
}

.hv-mini-card {
    flex: 1;
    padding: 10px 12px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hv-stat {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.hv-stat-label {
    font-size: 0.65rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Slide 2: Line chart */
.hv-line-chart {
    flex: 1;
    min-height: 140px;
    padding: 8px 0;
}

.hv-line-chart svg {
    width: 100%;
    height: 100%;
}

.hv-line {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    animation: hvDrawLine 1.5s var(--ease-out) forwards;
}

.hv-line-2 {
    stroke: var(--color-primary-light);
    opacity: 0.4;
    stroke-width: 2;
    animation-delay: 0.3s;
}

@keyframes hvDrawLine {
    to { stroke-dashoffset: 0; }
}

/* Slide 3: Deploy list */
.hv-deploy-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 4px 0;
    min-height: 140px;
}

.hv-deploy-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--color-surface);
    border-radius: 6px;
    font-size: 0.78rem;
}

.hv-deploy-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.hv-dot-green { background: #28c840; box-shadow: 0 0 6px rgba(40, 200, 64, 0.4); }
.hv-dot-yellow { background: #febc2e; box-shadow: 0 0 6px rgba(254, 188, 46, 0.4); }
.hv-dot-blue { background: var(--color-primary); box-shadow: 0 0 6px rgba(59, 158, 255, 0.4); }

.hv-deploy-name {
    flex: 1;
    font-weight: 500;
    color: var(--color-text);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.72rem;
}

.hv-deploy-status {
    font-weight: 600;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Slide 4: Infrastructure */
.hv-infra-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 4px 0;
    min-height: 140px;
}

.hv-infra-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 10px;
    background: var(--color-surface);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text);
}

.hv-infra-icon {
    font-size: 1rem;
    color: #28c840;
}

.hv-infra-inactive .hv-infra-icon {
    color: var(--color-text-muted);
}

.hv-infra-load {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
}

.hv-infra-inactive .hv-infra-load {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.7rem;
}

/* Floating cards */
.hero-floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.85rem;
    font-weight: 600;
    animation: float 6s ease-in-out infinite;
}

.hero-floating-card .material-icons-outlined {
    font-size: 20px;
    color: var(--color-primary);
}

.hfc-1 {
    top: 20px;
    right: -20px;
    animation-delay: 0s;
}

.hfc-2 {
    bottom: 40px;
    left: -30px;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--color-text-muted);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* --- Sections Common --- */
.section {
    padding: var(--section-padding) 0;
}

.section:nth-child(even) {
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 72px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* --- Services --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--duration) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-slow) var(--ease-out);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

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

.service-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    transition: all var(--duration) var(--ease-out);
}

.service-card:hover .service-icon-wrap {
    background: var(--color-primary);
    color: #fff;
}

.service-icon-wrap .material-icons-outlined {
    font-size: 28px;
    color: var(--color-primary);
    transition: color var(--duration) var(--ease-out);
}

.service-card:hover .service-icon-wrap .material-icons-outlined {
    color: #fff;
}

.service-title {
    font-size: 1.3rem;
    margin-bottom: 14px;
}

.service-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    padding: 4px 0;
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
}

.service-link .material-icons-outlined {
    font-size: 18px;
    transition: transform var(--duration) var(--ease-out);
}

.service-link:hover .material-icons-outlined {
    transform: translateX(4px);
}

/* --- Why Us --- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.why-card {
    display: flex;
    gap: 24px;
    padding: 36px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration) var(--ease-out);
}

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

.why-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-surface);
    line-height: 1;
    flex-shrink: 0;
    transition: color var(--duration) var(--ease-out);
}

[data-theme="dark"] .why-number {
    color: var(--color-border);
}

.why-card:hover .why-number {
    color: var(--color-primary);
    opacity: 0.3;
}

.why-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.why-flag {
    font-size: 1.2rem;
}

.why-content p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Process --- */
.process {
    background: var(--color-bg) !important;
}

.process-timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.process-line {
    position: absolute;
    left: 28px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.process-step {
    display: flex;
    gap: 32px;
    padding-bottom: 56px;
    position: relative;
}

.process-step:last-child {
    padding-bottom: 0;
}

.process-step-marker {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    z-index: 1;
    transition: all var(--duration) var(--ease-out);
}

.process-step:hover .process-step-marker {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.process-step-marker .material-icons-outlined {
    font-size: 24px;
    color: var(--color-primary);
    transition: color var(--duration) var(--ease-out);
}

.process-step:hover .process-step-marker .material-icons-outlined {
    color: #fff;
}

.process-step-num {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.process-step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.process-step-content p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Projects --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    height: 240px;
    background-color: var(--color-surface);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.2));
    transition: opacity 0.4s var(--ease-out);
}

.project-card:hover .project-image-overlay {
    opacity: 0.8;
}

.project-image-inner {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.95);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    transition: transform var(--duration) var(--ease-spring);
    z-index: 1;
    backdrop-filter: blur(8px);
}

.project-card:hover .project-image-inner {
    transform: scale(1.1);
}

.project-image-inner .material-icons-outlined {
    font-size: 36px;
    color: var(--accent);
}

.project-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #1a1a2e;
    z-index: 1;
}

.project-info {
    padding: 28px;
}

.project-info h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.project-info p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 18px;
}

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

.project-tech span {
    padding: 4px 12px;
    background: var(--color-surface);
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* --- About --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

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

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

.about-text {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-values {
    display: flex;
    gap: 28px;
    margin-top: 36px;
}

.about-value {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
}

.about-value .material-icons-outlined {
    font-size: 20px;
    color: var(--color-primary);
}

/* About visual - map card */
.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-map-card {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 400px;
    background: var(--color-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 8px;
}

.about-map-dot {
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border-radius: 50%;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 0 4px rgba(212, 0, 42, 0.2);
}

.about-map-label {
    text-align: center;
    z-index: 2;
}

.about-map-label strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.1rem;
}

.about-map-label span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.about-map-rings {
    position: absolute;
    inset: 0;
}

.ring {
    position: absolute;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 { width: 50%; height: 50%; }
.ring-2 { width: 75%; height: 75%; }
.ring-3 { width: 100%; height: 100%; }

/* --- Contact --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

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

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

.contact-text {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-detail .material-icons-outlined {
    font-size: 24px;
    color: var(--color-primary);
    margin-top: 2px;
}

.contact-detail strong {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.contact-detail a,
.contact-detail span {
    color: var(--color-text);
    font-size: 0.95rem;
}

.contact-detail a:hover {
    color: var(--color-primary);
}

/* Contact Form */
.contact-form-wrap {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text);
    transition: all var(--duration) var(--ease-out);
    outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 179, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238494a7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 40px;
}

.contact-form .btn {
    grid-column: 1 / -1;
    margin-top: 8px;
}

/* --- Footer --- */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 32px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 300px;
    line-height: 1.7;
}

.footer-links-group h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links-group a {
    display: block;
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    padding: 6px 0;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

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

/* --- Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-metrics {
        justify-content: center;
    }

    .hero-visual {
        max-width: none;
        margin: 0;
        width: 100%;
    }

    .hero-visual-card {
        border-radius: var(--radius-md);
    }

    .hero-visual-body {
        padding: 12px;
    }

    .hero-visual-sidebar {
        display: none;
    }

    .hfc-1 { right: -10px; }
    .hfc-2 { left: -10px; }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: none;
        margin: 0 auto;
    }

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

    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

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

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

    .about-text {
        text-align: center;
    }

    .about-values {
        justify-content: center;
        flex-wrap: wrap;
    }

    .about-map-card {
        max-width: 300px;
        margin: 0 auto;
    }

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

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

    .contact-text {
        text-align: center;
    }

    .contact-details {
        align-items: center;
    }

    .footer-top {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: #0b0f1a;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        z-index: 999;
        padding: 80px 24px;
    }

    [data-theme="light"] .nav-links {
        background: #ffffff;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 1.4rem;
        color: var(--color-text);
    }

    .nav-links a::after {
        display: none;
    }

    .nav-cta {
        margin-top: 12px;
    }

    .nav-hamburger {
        display: flex;
        z-index: 1001;
    }

    .hero {
        min-height: auto;
        padding: 140px 0 60px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-metrics {
        flex-direction: column;
        gap: 20px;
    }

    .hero-metric-divider {
        width: 40px;
        height: 1px;
    }

    .hero-floating-card {
        display: none;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .hero-scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-visual {
        max-width: 100%;
    }

    .service-card,
    .why-card {
        padding: 28px 24px;
    }

    .why-card {
        flex-direction: column;
        gap: 12px;
    }

    .contact-form-wrap {
        padding: 28px 20px;
    }

    .about-values {
        flex-direction: column;
        align-items: center;
    }
}