/* ============================================
   INTERSIC - Modern Educational Tech Website
   Neo-Futuristic Design System
   ============================================ */

/* === CSS Variables === */
:root {
    /* Colors */
    --color-bg-deep: #050810;
    --color-bg-primary: #0a0e17;
    --color-bg-secondary: #0f1420;
    --color-bg-card: #141a28;
    --color-bg-elevated: #1a2235;

    --color-accent-primary: #00d4ff;
    --color-accent-secondary: #7c3aed;
    --color-accent-tertiary: #06b6d4;

    --color-text-primary: #ffffff;
    --color-text-secondary: #94a3b8;
    --color-text-tertiary: #64748b;

    --color-border: rgba(148, 163, 184, 0.1);
    --color-border-hover: rgba(0, 212, 255, 0.3);

    /* Gradients */
    --gradient-accent: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    --gradient-card: linear-gradient(145deg, var(--color-bg-card) 0%, var(--color-bg-secondary) 100%);

    /* Typography */
    --font-display: 'Unbounded', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Container */
    --container-max: 1400px;
    --container-padding: 2rem;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-deep);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Background Effects === */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    animation: float 25s ease-in-out infinite reverse;
}

.bg-noise {
    position: fixed;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.02;
    pointer-events: none;
    z-index: 0;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

/* === Container === */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 1;
}

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

.nav.scrolled {
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) 0;
}

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

.nav-logo {
    display: flex;
    align-items: baseline;
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

.logo-mark {
    color: var(--color-accent-primary);
}

.logo-text {
    color: var(--color-text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-base);
}

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

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

.nav-link-cta {
    color: var(--color-bg-deep);
    background: var(--gradient-accent);
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    color: var(--color-bg-deep);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 8, 16, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: var(--space-lg);
}

.mobile-link {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-link:hover {
    color: var(--color-accent-primary);
}

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: var(--space-3xl) var(--container-padding);
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-bg-deep);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.35);
}

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

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

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

.btn-secondary:hover {
    border-color: var(--color-accent-primary);
    background: rgba(0, 212, 255, 0.05);
}

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

/* Hero Visual */
.hero-visual {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    z-index: 0;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: orb-pulse 4s ease-in-out infinite;
}

@keyframes orb-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.hero-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.hero-ring-1 {
    width: 300px;
    height: 300px;
    animation: ring-rotate 20s linear infinite;
}

.hero-ring-2 {
    width: 400px;
    height: 400px;
    animation: ring-rotate 30s linear infinite reverse;
}

.hero-ring-3 {
    width: 500px;
    height: 500px;
    animation: ring-rotate 40s linear infinite;
}

@keyframes ring-rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
    position: relative;
    z-index: 2;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    display: inline;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent-primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    margin-top: 0.25rem;
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent-primary), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 1; height: 40px; }
    50% { opacity: 0.5; height: 30px; }
}

/* === Reveal Animations === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }

/* === Section Styles === */
.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
}

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

/* === About Section === */
.about {
    padding: var(--space-3xl) 0;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-text {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.about-text p {
    margin-bottom: var(--space-md);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.feature:hover {
    border-color: var(--color-border-hover);
    transform: translateX(8px);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-accent-primary);
}

.feature-text strong {
    display: block;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.feature-text span {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
}

/* About Visual */
.about-visual {
    position: relative;
}

.visual-card {
    position: relative;
    aspect-ratio: 1;
    max-width: 400px;
    margin: 0 auto;
}

.visual-card-inner {
    width: 100%;
    height: 100%;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-pattern {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(45deg, transparent 45%, rgba(0, 212, 255, 0.05) 50%, transparent 55%),
        linear-gradient(-45deg, transparent 45%, rgba(124, 58, 237, 0.05) 50%, transparent 55%);
    background-size: 30px 30px;
    animation: pattern-shift 20s linear infinite;
}

@keyframes pattern-shift {
    from { background-position: 0 0; }
    to { background-position: 60px 60px; }
}

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

.visual-year {
    display: block;
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.visual-label {
    display: block;
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
}

/* === Services Section === */
.services {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, transparent 0%, var(--color-bg-secondary) 50%, transparent 100%);
}

.services-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.services-header .section-subtitle {
    margin: 0 auto;
}

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

.service-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-hover);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.1);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-md);
    color: var(--color-accent-primary);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.service-desc {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.service-tags span {
    padding: 0.35rem 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--color-accent-primary);
}

/* Service Card Animation Delays */
.service-card.reveal {
    transition-delay: calc(var(--delay) * 0.1s);
}

/* === Projects Section === */
.projects {
    padding: var(--space-3xl) 0;
}

.projects-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.projects-header .section-subtitle {
    margin: 0 auto;
}

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

.project-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-hover);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.1);
}

.project-card.reveal {
    transition-delay: calc(var(--delay) * 0.1s);
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder {
    width: 80px;
    height: 80px;
    color: var(--color-accent-primary);
    opacity: 0.5;
}

.project-status {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: 0.4rem 0.8rem;
    background: rgba(0, 212, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-content {
    padding: var(--space-lg);
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.project-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

.projects-cta {
    text-align: center;
    margin-top: var(--space-xl);
    color: var(--color-text-tertiary);
    font-style: italic;
}

/* === Contact Section === */
.contact {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, transparent 0%, var(--color-bg-secondary) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact-intro {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
}

.contact-item:hover {
    border-color: var(--color-border-hover);
    transform: translateX(8px);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-accent-primary);
}

.contact-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    margin-bottom: 0.25rem;
}

.contact-value {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* === Footer === */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.footer-brand p {
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
}

.footer-tagline {
    color: var(--color-text-tertiary) !important;
    font-size: 0.9rem;
}

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

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.footer-col a {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-lg);
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .about-visual {
        order: -1;
    }

    .visual-card {
        max-width: 300px;
    }

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

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

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

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --space-3xl: 5rem;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    .stat-divider {
        display: none;
    }

    .stat {
        flex: 1 1 calc(50% - var(--space-md));
        min-width: 120px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

    .stat-number, .stat-suffix {
        font-size: 2rem;
    }

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

/* === Utility Classes === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}