/* =============================================
   ZENLAV AERO - STYLE SYSTEM
   ============================================= */

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

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #0d0d14;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.35);
    --accent: #3b82f6;
    --accent-dim: rgba(59, 130, 246, 0.15);
    --accent-glow: rgba(59, 130, 246, 0.4);
    --border: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(59, 130, 246, 0.2);
    --gold: #f59e0b;
    --gold-dim: rgba(245, 158, 11, 0.15);
    --yellow: #fbbf24;
    --yellow-dim: rgba(251, 191, 36, 0.15);
    --red: #f87171;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 2rem;
    transition: background var(--transition), backdrop-filter var(--transition), border-bottom var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    transition: color var(--transition);
}

.nav-logo:hover {
    color: var(--accent);
}

.nav-logo:hover .logo-icon {
    transform: rotate(360deg);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--accent);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
    letter-spacing: 0.02em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--accent);
    transition: width var(--transition);
}

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

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

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

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 1rem 2rem 1.5rem;
    gap: 1rem;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.mobile-menu.active {
    display: flex;
}

/* === HERO === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.hero-video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: var(--bg-primary);
}

.hero-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

/* Particle canvas */
.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* 3D Globe — fixed background behind content sections */
.globe-container {
    position: fixed;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    height: 90%;
    z-index: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease;
}

.globe-container.visible {
    opacity: 0.25;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg, 
        rgba(10, 10, 15, 0.4) 0%,
        rgba(10, 10, 15, 0.2) 40%,
        rgba(10, 10, 15, 0.6) 80%,
        var(--bg-primary) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 860px;
    padding: 0 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
    50% { opacity: 0.6; box-shadow: 0 0 0 6px transparent; }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-accent {
    background: linear-gradient(90deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3, #54a0ff, #5f27cd);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rainbowShift 12s ease-in-out infinite alternate;
}

@keyframes rainbowShift {
    0% { background-position: 0% center; }
    100% { background-position: 100% center; }
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-primary);
    line-height: 1.7;
    max-width: 640px;
    margin: 0 auto 2.5rem;
    font-weight: 400;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--gold);
    color: var(--bg-primary);
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 100px;
    transition: all var(--transition);
    letter-spacing: 0.02em;
    box-shadow: 0 0 30px var(--gold-dim), 0 0 60px rgba(245, 158, 11, 0.1);
    position: relative;
    overflow: hidden;
}

.ripple-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    border-radius: 100px;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: rippleEffect 0.6s ease-out;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.hero-cta svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--gold-dim), 0 0 80px rgba(245, 158, 11, 0.15);
}

.hero-cta:hover svg {
    transform: translateY(3px);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0.4;
    animation: scrollFade 2s ease-in-out infinite;
}

@keyframes scrollFade {
    0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.1; transform: translateX(-50%) translateY(8px); }
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-secondary);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(10px); }
}

/* === SECTIONS COMMON === */
.section {
    padding: 8rem 2rem;
}

.section-dark {
    background: var(--bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1rem;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* === ARCHITECTURE CARDS === */
.arch-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.arch-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.4s ease;
    perspective: 800px;
}

.arch-card:hover {
    transform: translateY(-4px);
}

.arch-card-inner {
    position: relative;
    padding: 2.5rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    height: 100%;
    transition: border-color var(--transition), background var(--transition), transform 0.3s ease;
    transform-style: preserve-3d;
}

.arch-icon {
    width: 48px;
    height: 48px;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

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

.arch-step {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent);
    opacity: 0.6;
    display: block;
    margin-bottom: 0.75rem;
}

.arch-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.arch-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.arch-tech-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.arch-tech-tags span {
    font-size: 0.7rem;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.03em;
}

/* Architecture flow SVG */
.arch-flow-svg {
    padding: 1.5rem 0;
    display: flex;
    justify-content: center;
}

.flow-svg {
    width: 100%;
    height: 60px;
    max-width: 1000px;
}

.flow-pulse {
    stroke-dasharray: 340;
    stroke-dashoffset: 340;
    animation: flowPulseAnim 2.5s ease-in-out infinite;
}

.flow-pulse.delay {
    animation-delay: 0.8s;
}

@keyframes flowPulseAnim {
    0% { stroke-dashoffset: 340; opacity: 0; }
    30% { opacity: 1; }
    100% { stroke-dashoffset: 0; opacity: 0; }
}

.flow-dot {
    filter: drop-shadow(0 0 4px var(--accent));
}

/* === TACTICAL DISPLAY === */
.tactical-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.radar-container {
    display: flex;
    justify-content: center;
}

.radar-frame {
    position: relative;
    width: 100%;
    max-width: 440px;
}

.radar-screen {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    background: rgba(59, 130, 246, 0.02);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius);
    overflow: hidden;
}

.radar-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.radar-circle {
    position: absolute;
    border: 1px solid rgba(59, 130, 246, 0.08);
    border-radius: 50%;
}

.radar-circle.r1 {
    top: 35%;
    left: 35%;
    width: 30%;
    height: 30%;
}

.radar-circle.r2 {
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
}

.radar-circle.r3 {
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
}

.radar-line-h, .radar-line-v {
    position: absolute;
    background: rgba(59, 130, 246, 0.06);
}

.radar-line-h {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
}

.radar-line-v {
    top: 0;
    left: 50%;
    width: 1px;
    height: 100%;
}

.radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50%;
    height: 50%;
    transform-origin: 0 0;
    background: conic-gradient(
        from 0deg,
        rgba(59, 130, 246, 0.2) 0deg,
        transparent 60deg
    );
    animation: radarSweep 4s linear infinite;
    border-radius: 0 50% 0 0;
}

@keyframes radarSweep {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.radar-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
    animation: dotBlink 3s ease-in-out infinite;
}

.dot1 { top: 30%; left: 40%; animation-delay: 0s; }
.dot2 { top: 55%; left: 65%; animation-delay: 0.8s; }
.dot3 { top: 42%; left: 28%; animation-delay: 1.5s; }
.dot4 { top: 68%; left: 45%; animation-delay: 2.2s; }

@keyframes dotBlink {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

.radar-status {
    position: absolute;
    bottom: 12%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.radar-status-label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

.radar-status-value {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent);
}

.blink {
    animation: blink 1.5s step-end infinite;
}

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

/* Radar corners */
.radar-corner {
    position: absolute;
    width: 16px;
    height: 16px;
    border-color: rgba(59, 130, 246, 0.4);
    border-style: solid;
}

.radar-corner.tl { top: 0; left: 0; border-width: 2px 0 0 2px; }
.radar-corner.tr { top: 0; right: 0; border-width: 2px 2px 0 0; }
.radar-corner.bl { bottom: 0; left: 0; border-width: 0 0 2px 2px; }
.radar-corner.br { bottom: 0; right: 0; border-width: 0 2px 2px 0; }

/* HUD Info */
.hud-info {
    position: absolute;
    top: 10%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hud-info.left { left: -140px; }
.hud-info.right { right: -140px; }

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

.hud-label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.hud-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.score-pending {
    color: var(--yellow);
}

/* Tactical info */
.tactical-info {
    padding: 0 1rem;
}

.tactical-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.tactical-label svg {
    animation: badgePulse 2s ease-in-out infinite;
}

.tactical-title {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.tactical-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.tactical-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
}

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

.metric {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* === ROADMAP CARDS === */
.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.roadmap-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition);
}

.roadmap-card:hover {
    transform: translateY(-6px);
}

.roadmap-card-glow {
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 0;
}

.roadmap-card[data-status="completed"] .roadmap-card-glow {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), transparent 60%);
}

.roadmap-card[data-status="in-progress"] .roadmap-card-glow {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.3), transparent 60%);
    opacity: 0.5;
    animation: glowPulse 3s ease-in-out infinite;
}

.roadmap-card:hover .roadmap-card-glow {
    opacity: 1;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

.roadmap-card-inner {
    position: relative;
    z-index: 1;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: border-color var(--transition), background var(--transition);
}

.roadmap-card:hover .roadmap-card-inner {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.roadmap-card[data-status="completed"]:hover .roadmap-card-inner {
    border-color: rgba(59, 130, 246, 0.25);
}

.roadmap-card[data-status="in-progress"]:hover .roadmap-card-inner {
    border-color: rgba(251, 191, 36, 0.25);
}

.roadmap-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
    letter-spacing: -0.05em;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.roadmap-status-indicator {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.25rem;
}

.roadmap-status-indicator.completed {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
}

.roadmap-status-indicator.in-progress {
    background: rgba(251, 191, 36, 0.15);
}

.roadmap-status-indicator.pending {
    background: rgba(255, 255, 255, 0.05);
}

.spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(251, 191, 36, 0.2);
    border-top-color: var(--yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.pending-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.roadmap-title {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.roadmap-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.roadmap-card[data-status="pending"] .roadmap-title {
    color: var(--text-secondary);
}

.roadmap-card[data-status="pending"] .roadmap-desc {
    color: var(--text-muted);
}

.roadmap-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 100px;
    width: fit-content;
    margin-top: auto;
}

.roadmap-badge.completed {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.roadmap-badge.in-progress {
    background: rgba(251, 191, 36, 0.1);
    color: var(--yellow);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.roadmap-badge.pending {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.roadmap-progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
}

.roadmap-progress-track {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 100px;
    overflow: hidden;
}

.roadmap-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--yellow), #f59e0b);
    border-radius: 100px;
    transition: width 1s ease-out;
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.3);
}

/* Stagger for roadmap cards */
.roadmap-card:nth-child(1) { transition-delay: 0s; }
.roadmap-card:nth-child(2) { transition-delay: 0.1s; }
.roadmap-card:nth-child(3) { transition-delay: 0.2s; }
.roadmap-card:nth-child(4) { transition-delay: 0.3s; }

/* === NEDEN BU PROJE? === */
.about-block {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
}

.about-title {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--text-primary);
    margin: 1.2rem 0 2rem;
    font-style: italic;
    letter-spacing: -0.02em;
}

.about-text {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-text p {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-signature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    justify-content: center;
}

.signature-line {
    width: 32px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
}

.signature-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.02em;
}

.signature-detail {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.03em;
}

/* === FOOTER === */
.footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.footer-divider {
    color: var(--text-muted);
}

.footer-powered {
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

.footer-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: all var(--transition);
}

.footer-link:hover {
    color: var(--accent);
    border-color: var(--border-accent);
    background: var(--accent-dim);
}

.footer-link svg {
    width: 16px;
    height: 16px;
}

.footer-bottom {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* === FADE IN ANIMATION === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Directional slide animations */
.slide-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-left.visible,
.slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Scale-up animation */
.scale-up {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scale-up.visible {
    opacity: 1;
    transform: scale(1);
}

/* Cursor glow - follows mouse globally */
.cursor-glow {
    position: fixed;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

.cursor-glow.active {
    opacity: 1;
}

.arch-card:nth-child(1) { transition-delay: 0s; }
.arch-card:nth-child(2) { transition-delay: 0.15s; }
.arch-card:nth-child(3) { transition-delay: 0.3s; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .roadmap-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .arch-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .roadmap-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 5rem 1.5rem;
    }
    
    .hero-content {
        padding: 0 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-brand {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}