/* ========================================
   TechTorq — Premium Design System
   ======================================== */

:root {
    /* Colors */
    --bg-primary: #06080d;
    --bg-secondary: #0c1017;
    --bg-card: #111621;
    --bg-card-hover: #161c2a;
    --surface: #1a2033;
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);

    --text-primary: #f0f2f5;
    --text-secondary: #8b95a8;
    --text-muted: #5a6478;

    --accent: #4f7df9;
    --accent-light: #6b93ff;
    --accent-dark: #3a63d8;
    --accent-glow: rgba(79,125,249,0.15);
    --accent-glow-strong: rgba(79,125,249,0.3);

    --gradient-accent: linear-gradient(135deg, #4f7df9, #7c5cfc, #c054f2);
    --gradient-card: linear-gradient(160deg, rgba(79,125,249,0.08), transparent 60%);
    --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(79,125,249,0.12), transparent);

    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-heading: 'Sora', -apple-system, sans-serif;
    --font-body: 'Sora', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-padding: clamp(80px, 10vw, 140px);
    --container-max: 1240px;
    --container-narrow: 800px;

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

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-base: 0.4s var(--ease-out);
    --transition-slow: 0.6s var(--ease-out);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul { list-style: none; }

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

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

/* ========================================
   Preloader
   ======================================== */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}
.preloader-logo {
    width: 120px;
    text-align: center;
}
.preloader-logo img {
    display: block;
    margin: 0 auto;
}
.preloader-bar {
    width: 120px;
    height: 3px;
    background: var(--surface);
    border-radius: 2px;
    margin-top: 20px;
    overflow: hidden;
}
.preloader-bar-fill {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 2px;
    animation: loading-bar 1.2s var(--ease-out) infinite;
}

@keyframes loading-bar { 0% { width: 0; } 50% { width: 80%; } 100% { width: 100%; } }
@keyframes pulse-glow { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
    background: transparent;
}

.nav.scrolled {
    padding: 12px 0;
    background: rgba(6,8,13,0.85);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 10;
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 20px;
    color: white;
}

.nav-logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 22px;
    color: var(--text-primary);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.btn-nav { margin-left: 12px; }

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10;
    flex-direction: column;
    gap: 5px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 20px rgba(79,125,249,0.3);
}
.btn-primary:hover {
    background: var(--accent-light);
    box-shadow: 0 8px 30px rgba(79,125,249,0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-hover);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.btn-ghost {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }

.btn-lg { padding: 18px 40px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-sm { padding: 10px 20px; font-size: 13px; }

/* ========================================
   Section Common
   ======================================== */
.section { padding: var(--section-padding) 0; position: relative; }

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center { text-align: center; }
.section-header.center .section-subtitle { margin: 0 auto; }

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

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79,125,249,0.06), transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px 8px 8px;
    background: var(--accent-glow);
    border: 1px solid rgba(79,125,249,0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 32px;
    animation: fadeUp 0.8s var(--ease-out) 0.3s both;
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 6vw, 76px);
    font-weight: 800;
    line-height: 1.08;
    color: var(--text-primary);
    margin-bottom: 24px;
    animation: fadeUp 0.8s var(--ease-out) 0.4s both;
}

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

.hero-subtitle {
    font-size: clamp(17px, 1.5vw, 20px);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 40px;
    animation: fadeUp 0.8s var(--ease-out) 0.5s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeUp 0.8s var(--ease-out) 0.6s both;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 72px;
    animation: fadeUp 0.8s var(--ease-out) 0.7s both;
}

.hero-stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
}

.hero-stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Floating grid lines */
.hero-grid {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    opacity: 0.4;
}

.hero-grid-line {
    position: absolute;
    background: linear-gradient(to bottom, transparent, var(--border), transparent);
}

.hero-grid-line.v {
    width: 1px;
    height: 100%;
}

.hero-grid-line.h {
    height: 1px;
    width: 100%;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes dot-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.card-icon svg {
    width: 26px;
    height: 26px;
    color: var(--accent);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.card-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.card-features {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.card-feature-tag {
    padding: 5px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 12.5px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.card:hover .card-feature-tag {
    border-color: rgba(79,125,249,0.2);
    color: var(--accent-light);
}

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ========================================
   Stats Bar
   ======================================== */
.stats-bar {
    padding: 60px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item { padding: 16px; }

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   Portfolio
   ======================================== */
.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.portfolio-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: 0 24px 64px rgba(0,0,0,0.3);
}

.portfolio-card-visual {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-card-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-card), transparent 60%);
}

.portfolio-icon {
    font-size: 64px;
    font-weight: 800;
    font-family: var(--font-heading);
    color: rgba(255,255,255,0.12);
    position: relative;
    z-index: 1;
}

.portfolio-card-body { padding: 24px 28px 28px; }

.portfolio-category {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 8px;
}

.portfolio-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.portfolio-desc {
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   Testimonials
   ======================================== */
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 80px;
    font-family: Georgia, serif;
    color: rgba(79,125,249,0.1);
    line-height: 1;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    color: var(--accent);
}

.testimonial-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
}

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

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: var(--section-padding) 0;
    position: relative;
}

.cta-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: clamp(48px, 6vw, 80px);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(79,125,249,0.12), transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ========================================
   Contact Form
   ======================================== */
.form-group { margin-bottom: 24px; }

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.form-textarea { resize: vertical; min-height: 140px; }
.form-select { cursor: pointer; appearance: none; }

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

/* ========================================
   Page Header (for inner pages)
   ======================================== */
.page-header {
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    pointer-events: none;
}

.page-header-content { position: relative; z-index: 2; }

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--text-muted); }

.page-title {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

/* ========================================
   About Page — Timeline
   ======================================== */
.timeline { position: relative; padding: 20px 0; }

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 60px;
    position: relative;
}

.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }

.timeline-content {
    width: calc(50% - 40px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-primary);
    z-index: 2;
}

.timeline-year {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   Team
   ======================================== */
.team-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
}

.team-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.team-role {
    font-size: 14px;
    color: var(--text-muted);
}

/* ========================================
   Blog
   ======================================== */
.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.blog-card-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.blog-card-body { padding: 24px; }

.blog-date {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.blog-card-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.blog-card-desc {
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.blog-read-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition-fast);
}

.blog-read-more:hover { gap: 10px; }

/* ========================================
   Process (How We Work)
   ======================================== */
.process-grid { counter-reset: process; }

.process-card {
    counter-increment: process;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    position: relative;
}

.process-card::before {
    content: counter(process, decimal-leading-zero);
    font-family: var(--font-heading);
    font-size: 64px;
    font-weight: 800;
    color: rgba(79,125,249,0.08);
    position: absolute;
    top: 16px;
    right: 24px;
    line-height: 1;
}

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

.process-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Tech Stack
   ======================================== */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.tech-badge {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tech-badge:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    background: var(--accent-glow);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 80px 0 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 300px;
}

.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links li { margin-bottom: 10px; }
.footer-links a {
    font-size: 14.5px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 24px;
    margin-top: 60px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-muted);
}

/* ========================================
   Scroll Animations
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    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: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline::before { left: 24px; }
    .timeline-item,
    .timeline-item:nth-child(even) { flex-direction: row; }
    .timeline-content { width: calc(100% - 60px); margin-left: auto; }
    .timeline-dot { left: 24px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        inset: 0;
        background: rgba(6,8,13,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    .nav-links.active { opacity: 1; visibility: visible; }
    .nav-link { font-size: 24px; padding: 12px 24px; }
    .nav-link.active::after { display: none; }
    .btn-nav { margin-left: 0; margin-top: 16px; }

    .grid-2,
    .grid-3,
    .grid-4 { grid-template-columns: 1fr; }

    .hero-stats { gap: 28px; flex-wrap: wrap; }
    .hero-stat-number { font-size: 28px; }

    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

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

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

@media (max-width: 480px) {
    .hero-title { font-size: 32px; }
    .hero-buttons { flex-direction: column; }
    .btn-lg { width: 100%; }
    .stats-grid { grid-template-columns: 1fr; }
}

/* ========================================
   Utility
   ======================================== */
.text-center { text-align: center; }
.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 32px; }
.mb-xl { margin-bottom: 48px; }