/* ========== CSS Variables - Dark Mode (Default) ========== */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.6);
    --bg-glass: rgba(10, 14, 23, 0.75);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #10b981;
    --accent-secondary: #059669;
    --accent-gradient: linear-gradient(135deg, #10b981 0%, #06b6d4 50%, #3b82f6 100%);
    --accent-glow: rgba(16, 185, 129, 0.3);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(16, 185, 129, 0.3);
    --shadow-card: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px -10px var(--accent-glow);
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: cubic-bezier(0.2, 0.8, 0.2, 1);
    --container-max: 1200px;
    --navbar-height: 80px;
    --canvas-color-dot: rgba(0, 191, 255, 0.8);
    --canvas-color-line: 0, 150, 255;
}

/* Light Mode */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.85);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-primary: #059669;
    --accent-secondary: #047857;
    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-accent: rgba(5, 150, 105, 0.2);
    --shadow-card: 0 10px 40px -10px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px -10px rgba(5, 150, 105, 0.2);
    --canvas-color-dot: rgba(0, 100, 200, 0.7);
    --canvas-color-line: 0, 100, 200;
}

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

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.4s var(--transition-smooth), color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Section Base */
section {
    padding: 6rem 0;
    position: relative;
}

/* Glass Effect */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    z-index: 1000;
    transition: all 0.4s var(--transition-smooth);
}

.navbar.scrolled {
    height: 70px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s var(--transition-smooth);
}

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

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 50px;
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

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

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
    transition: fill 0.3s ease;
}

.theme-toggle:hover svg {
    fill: var(--accent-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--navbar-height);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInUp 1s var(--transition-smooth);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: 50px;
    padding: 8px 16px;
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s var(--transition-smooth) 0.1s both;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s var(--transition-smooth) 0.2s both;
}

.hero h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
    animation: fadeInUp 1s var(--transition-smooth) 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s var(--transition-smooth) 0.4s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    box-shadow: var(--shadow-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -15px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInUp 1s var(--transition-smooth) 0.5s both;
}

.hero-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--accent-primary), transparent 30%);
    animation: rotate 8s linear infinite;
    opacity: 0.1;
}

.hero-card-content {
    position: relative;
    z-index: 1;
}

.hero-logo, .hero-avatar {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-glow);
    object-fit: cover;
}

.hero-avatar {
    border-radius: 50%;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-card, .about-image-wrapper {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 2.5rem;
    text-align: center;
}

.about-logo, .about-avatar-large {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    margin: 0 auto 1.5rem;
    object-fit: cover;
}

.about-avatar-large {
    border-radius: 50%;
    width: 180px;
    height: 180px;
    font-size: 4rem;
}

.about-card h3 {
    margin-bottom: 0.5rem;
}

.about-card p {
    font-size: 0.9375rem;
    color: var(--accent-primary);
    font-style: italic;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-text {
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.about-feature span {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 500;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.info-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--accent-primary);
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--transition-smooth);
}

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

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

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.service-list {
    list-style: none;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    padding: 0.5rem 0;
}

.service-list li::before {
    content: '✓';
    color: var(--accent-primary);
    font-weight: 700;
}

/* Tech Stack */
.tech-section {
    background: var(--bg-secondary);
    padding: 4rem 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
}

.tech-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s var(--transition-smooth);
}

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

.tech-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.tech-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Projects Section */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s var(--transition-smooth);
}

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

.project-image {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0.05;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.project-content p {
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tag {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Differentials Section */
.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.differential-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s var(--transition-smooth);
}

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

.differential-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
}

.differential-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

/* Mission Vision */
.mission-vision {
    background: var(--bg-secondary);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.mv-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.mv-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: var(--accent-gradient);
    opacity: 0.1;
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.mv-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.mv-card h3 {
    margin-bottom: 1rem;
}

/* Team Section */
.team {
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.team-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s var(--transition-smooth);
}

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

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0 auto 1.5rem;
}

.team-card h3 {
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--accent-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.team-card p {
    font-size: 0.875rem;
}

/* Company Section (portfolio) */
.company-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.company-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 2.5rem;
}

.company-logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
    object-fit: cover;
}

.company-services {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.company-tag {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 50px;
    padding: 6px 14px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.company-tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* CTA Section */
.cta {
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 100%, rgba(16, 185, 129, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta h2 {
    margin-bottom: 1.5rem;
}

.cta-description {
    max-width: 600px;
    margin: 0 auto 2.5rem;
    font-size: 1.125rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-subtle);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
}

.social-link:hover svg {
    fill: var(--accent-primary);
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
    box-shadow: var(--shadow-glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
}

#futuristic-bg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-smooth);
}

.reveal.active {
    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; }

/* Mobile Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-description {
        margin: 0 auto 2.5rem;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-features {
        grid-template-columns: 1fr;
    }
    .mv-grid, .company-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 70px;
    }
    section {
        padding: 4rem 0;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-subtle);
    }
    .nav-links.active {
        display: flex;
    }
    .menu-toggle {
        display: flex;
    }
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    .about-info {
        grid-template-columns: 1fr;
    }
    .services-grid, .projects-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-social {
        justify-content: center;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.25rem;
    }
    .btn {
        padding: 14px 24px;
        font-size: 0.9375rem;
    }
    .hero-stats {
        grid-template-columns: 1fr;
    }
    .stat-item {
        padding: 0.75rem;
    }
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print Styles */
@media print {
    .navbar, .btn, .theme-toggle, .menu-toggle, .back-to-top, #futuristic-bg {
        display: none !important;
    }
    body {
        background: #fff;
        color: #000;
    }
    .hero, section {
        padding: 2rem 0;
    }
}