/* ============================================
   VOXEL FORGE — Base Styles
   ============================================ */

:root {
    --bg: #06080f;
    --bg-soft: #0a0e1a;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-hover: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);

    --text: #e8ecf4;
    --text-muted: #8b93a7;
    --text-dim: #5d6478;

    --cyan: #6ee7ff;
    --violet: #a78bfa;
    --accent: linear-gradient(135deg, #6ee7ff 0%, #a78bfa 100%);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

    --radius: 16px;
    --nav-height: 72px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: rgba(110, 231, 255, 0.25);
    color: #fff;
}

.container {
    width: min(1140px, 92%);
    margin-inline: auto;
}

.section {
    padding: clamp(80px, 12vw, 140px) 0;
    position: relative;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

/* ---------- Backgrounds ---------- */
.grid-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(rgba(110, 231, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(110, 231, 255, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
}

.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    z-index: 1001;
    background: var(--accent);
    transition: width 0.1s linear;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #07090f;
    box-shadow: 0 0 0 0 rgba(110, 231, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px -8px rgba(110, 231, 255, 0.5);
}

.btn-ghost {
    border-color: var(--border-strong);
    color: var(--text);
    background: var(--surface);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover {
    background: var(--surface-hover);
    border-color: rgba(110, 231, 255, 0.4);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.02rem;
}

/* ---------- Reveal Animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

/* ---------- Section Headers ---------- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto clamp(48px, 7vw, 80px);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--cyan);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    padding: 6px 14px;
    border: 1px solid rgba(110, 231, 255, 0.2);
    border-radius: 999px;
    background: rgba(110, 231, 255, 0.05);
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}