/* ============================================================
   SATUUTAS DELTA TEKNOLOGI — Enterprise Design System
   Version 26.1 | Industry 5.0 Sovereign Architecture
   ============================================================ */

:root {
    --bg-dark: #07090f;
    --bg-surface: #0c1018;
    --text-main: #e2e8f0;
    --text-muted: #8b97ad;
    --text-dim: #4a5568;
    --accent-cyan: #38bdf8;
    --accent-gold: #f0b429;
    --glass-bg: rgba(14, 20, 33, 0.55);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-highlight: rgba(255, 255, 255, 0.08);
    --radius: 8px;
    --header-height: 72px;
}

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

body {
    background-color: var(--bg-dark); color: var(--text-main); 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow-x: hidden; 
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* ============================================================
   TYPOGRAPHY SYSTEM
   ============================================================ */
.mono-text {
    font-family: 'JetBrains Mono', 'SF Mono', monospace; 
    font-size: 0.7rem; letter-spacing: 2px;
    color: var(--text-dim); text-transform: uppercase;
}

/* ============================================================
   3D HOLOGRAPHIC BACKGROUND — 20% Alpha Blend
   ============================================================ */
#canvas-container {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: 0; pointer-events: none; opacity: 0.20;
}

.ui-layer { 
    position: relative; z-index: 10; width: 100%; min-height: 100vh; 
    display: flex; flex-direction: column; 
}

/* ============================================================
   HEADER — Fixed Enterprise Navigation Bar
   ============================================================ */
header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 4rem; width: 100%; height: var(--header-height);
    position: sticky; top: 0; 
    background: rgba(7, 9, 15, 0.92);
    backdrop-filter: blur(24px) saturate(1.2); -webkit-backdrop-filter: blur(24px) saturate(1.2);
    border-bottom: 1px solid var(--glass-border); 
    z-index: 100;
}

.logo { 
    font-family: 'Syncopate', sans-serif; font-weight: 700; 
    font-size: 0.95rem; letter-spacing: 3px; 
    display: flex; align-items: center; gap: 14px; 
    text-decoration: none; color: white; 
    white-space: nowrap; flex-shrink: 0;
    transition: opacity 0.3s ease;
}
.logo:hover { opacity: 0.85; }

.logo-img-3d {
    height: 36px; width: auto;
    filter: drop-shadow(0 4px 8px rgba(56, 189, 248, 0.35));
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.logo:hover .logo-img-3d {
    filter: drop-shadow(0 6px 16px rgba(56, 189, 248, 0.6));
    transform: scale(1.05);
}

.pulse-dot { 
    width: 6px; height: 6px; background-color: var(--accent-cyan); 
    border-radius: 50%; display: inline-block; 
    box-shadow: 0 0 8px var(--accent-cyan); 
    animation: slow-pulse 3s infinite ease-in-out; 
}
@keyframes slow-pulse { 
    0%, 100% { opacity: 0.3; } 
    50% { opacity: 1; } 
}

.header-nav { 
    display: flex; align-items: center; gap: 0; 
    margin-left: auto;
}

/* Language Switcher */
.lang-switch {
    display: flex; align-items: center; gap: 4px; 
    font-family: 'Inter', sans-serif; font-weight: 500; font-size: 0.75rem; 
    margin-right: 2.5rem; padding-right: 2.5rem;
    border-right: 1px solid var(--glass-border);
}
.lang-switch a { 
    text-decoration: none; color: var(--text-dim); transition: color 0.3s; 
    padding: 4px 8px; border-radius: 4px; 
}
.lang-switch a:hover { color: var(--text-main); }
.lang-switch a.active { color: var(--accent-cyan); font-weight: 600; }
.lang-switch .separator { color: var(--text-dim); font-size: 0.65rem; }

/* Navigation Links — Clean Enterprise Style */
.nav-link { 
    font-family: 'Inter', sans-serif; font-weight: 500; font-size: 0.8rem; 
    text-decoration: none; color: var(--text-muted); 
    padding: 0 1.4rem; height: var(--header-height); 
    display: flex; align-items: center;
    position: relative; transition: color 0.3s ease; 
    letter-spacing: 0.5px;
}
.nav-link::after {
    content: ''; position: absolute; width: 0; height: 2px; 
    bottom: 0; left: 50%; transform: translateX(-50%);
    background: linear-gradient(90deg, var(--accent-cyan), rgba(56, 189, 248, 0.3));
    transition: width 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}
.nav-link:hover { color: white; }
.nav-link:hover::after { width: 70%; }
.nav-link.active { color: white; }
.nav-link.active::after { width: 70%; }

/* Legacy .btn-ghost support (for action buttons, contact, etc.) */
.btn-ghost { 
    font-family: 'Inter', sans-serif; font-weight: 500; font-size: 0.8rem; 
    text-decoration: none; color: var(--text-muted); 
    padding: 0 1.4rem; height: var(--header-height);
    display: inline-flex; align-items: center;
    border: none !important; background: transparent; 
    transition: color 0.3s ease; letter-spacing: 0.5px; position: relative;
}
.btn-ghost::after {
    content: ''; position: absolute; width: 0; height: 2px; bottom: 0; left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--accent-cyan), rgba(56, 189, 248, 0.3));
    transition: width 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}
.btn-ghost:hover { color: white; background: transparent; }
.btn-ghost:hover::after { width: 70%; }
.btn-ghost[style*="border-bottom"] { color: white; }
.btn-ghost[style*="border-bottom"]::after { width: 70%; }

/* Contact CTA in header */
.nav-cta {
    font-family: 'Inter', sans-serif; font-weight: 600; font-size: 0.75rem;
    text-decoration: none; color: var(--bg-dark);
    background: var(--accent-cyan); padding: 8px 20px;
    border-radius: 4px; letter-spacing: 0.5px;
    transition: all 0.3s ease; margin-left: 1.5rem;
}
.nav-cta:hover { 
    background: white; 
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.3); 
}

/* Version Badge */
.version-badge {
    font-family: 'JetBrains Mono', monospace; font-size: 0.6rem;
    color: var(--text-dim); letter-spacing: 1px;
    padding: 3px 8px; border: 1px solid var(--glass-border);
    border-radius: 3px; margin-left: 0.5rem;
}

/* ============================================================
   CONTENT LAYOUT
   ============================================================ */
.content-wrapper { 
    flex: 1; display: flex; flex-direction: column; 
    padding: 3rem 6rem 6rem; max-width: 1440px; 
    margin: 0 auto; width: 100%; gap: 2.5rem; 
}

/* ============================================================
   GLASS PANELS — Refined Enterprise Cards
   ============================================================ */
.glass-panel { 
    background: var(--glass-bg); 
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); 
    border: 1px solid var(--glass-border); 
    padding: 3rem; border-radius: var(--radius); 
    position: relative; overflow: hidden; 
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), 
                box-shadow 0.4s cubic-bezier(0.25, 1, 0.5, 1),
                border-color 0.4s ease;
}
.glass-panel:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 1px rgba(255,255,255,0.1); 
    border-color: rgba(255, 255, 255, 0.1);
}
.glass-panel::before { 
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 1px; 
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent); 
    pointer-events: none; 
}

.panel-header { 
    display: flex; justify-content: space-between; align-items: center; 
    margin-bottom: 2rem; border-bottom: 1px solid var(--glass-border); padding-bottom: 1rem; 
}
.status-indicator { display: flex; align-items: center; gap: 8px; }
.status-indicator .dot.active { 
    width: 6px; height: 6px; background-color: #22c55e; 
    border-radius: 50%; box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
    animation: slow-pulse 2s infinite ease-in-out;
}

/* ============================================================
   TYPOGRAPHY — Enterprise Hierarchy
   ============================================================ */
.elegant-title { 
    font-family: 'Syncopate', sans-serif; font-weight: 700; 
    font-size: 3.2rem; line-height: 1.15; 
    margin-bottom: 1.5rem; letter-spacing: -0.5px; 
    color: white;
}
.elegant-subtitle { 
    font-family: 'Inter', sans-serif; font-weight: 300; 
    font-size: 1.2rem; color: var(--text-muted); 
    margin-bottom: 2.5rem; line-height: 1.75; max-width: 720px; 
}
.cap-title { 
    font-family: 'Syncopate', sans-serif; font-weight: 700; 
    font-size: 1.3rem; letter-spacing: 1px; margin-bottom: 1.5rem; 
}
.highlight-blue { color: var(--accent-cyan); }
.highlight-gold { color: var(--accent-gold); }

.philosophy-text { font-size: 1.05rem; line-height: 1.85; color: var(--text-main); font-weight: 300; }
.philosophy-text-small { font-size: 0.95rem; line-height: 1.75; color: var(--text-muted); font-weight: 300; margin-bottom: 2rem; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section { 
    padding: 5rem 4rem; 
    background: linear-gradient(160deg, rgba(14,20,33,0.8) 0%, rgba(7,9,15,0.6) 100%); 
    border: 1px solid rgba(56, 189, 248, 0.06);
}

.action-buttons { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; }

.btn-primary { 
    background: white; color: var(--bg-dark); 
    font-family: 'Inter', sans-serif; font-weight: 600; 
    padding: 14px 28px; text-decoration: none; border-radius: 5px; 
    font-size: 0.85rem; letter-spacing: 0.5px; transition: all 0.3s ease; 
    border: 1px solid transparent;
}
.btn-primary:hover { 
    background: var(--accent-cyan); color: var(--bg-dark);
    box-shadow: 0 0 24px rgba(56, 189, 248, 0.3); 
}

.btn-outline { 
    background: transparent; color: var(--text-muted); 
    border: 1px solid var(--glass-border); 
    font-family: 'Inter', sans-serif; font-weight: 500;
    padding: 14px 28px; text-decoration: none; border-radius: 5px; 
    font-size: 0.85rem; letter-spacing: 0.5px; transition: all 0.3s ease; 
}
.btn-outline:hover { 
    background: rgba(255, 255, 255, 0.05); border-color: var(--text-muted); color: white; 
}

/* ============================================================
   GRID SYSTEM
   ============================================================ */
.pillars-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.full-width { grid-column: 1 / -1; }

.feature-list { display: flex; flex-direction: column; gap: 1.5rem; }
.feature-item h4 { 
    font-family: 'Inter', sans-serif; font-weight: 600; font-size: 1rem; 
    margin-bottom: 0.4rem; color: white; 
}
.feature-item p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

.tech-stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2rem; }
.tech-item { 
    background: rgba(0,0,0,0.25); padding: 2rem; border-radius: var(--radius); 
    border: 1px solid var(--glass-border); transition: border-color 0.3s ease;
}
.tech-item:hover { border-color: rgba(255,255,255,0.1); }
.tech-tag { 
    font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 0.8rem; 
    color: var(--accent-cyan); display: block; margin-bottom: 0.75rem; letter-spacing: 1px;
}
.tech-item p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; }

/* ============================================================
   VISUALIZATION IMAGES — Elegant Enterprise Placement
   ============================================================ */
.viz-container {
    margin-top: 3rem; text-align: center;
}
.viz-image {
    max-width: 100%; max-height: 420px; height: auto;
    border-radius: var(--radius);
    border: 1px solid rgba(56, 189, 248, 0.1);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.5s ease;
}
.viz-image:hover {
    transform: scale(1.01);
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.5), 0 0 1px rgba(56, 189, 248, 0.2);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer-panel { margin: 0 6rem 2rem; text-align: center; padding: 4rem; }

/* ============================================================
   ROADMAP TIMELINE
   ============================================================ */
.timeline { position: relative; max-width: 1000px; margin: 0 auto; padding: 2rem 0; }
.timeline::after { 
    content: ''; position: absolute; width: 1px; 
    background: linear-gradient(180deg, var(--accent-cyan), var(--glass-border)); 
    top: 0; bottom: 0; left: 50%; 
}
.timeline-item { padding: 10px 40px; position: relative; background: inherit; width: 50%; }
.timeline-item.left { left: 0; text-align: right; }
.timeline-item.right { left: 50%; }
.timeline-item::after { 
    content: ''; position: absolute; width: 12px; height: 12px; right: -6px; 
    background-color: var(--bg-dark); border: 2px solid var(--accent-cyan); 
    top: 20px; border-radius: 50%; z-index: 1; 
}
.timeline-item.right::after { left: -6px; }
.timeline-content { position: relative; border-radius: var(--radius); }
.timeline-date { 
    font-family: 'JetBrains Mono', monospace; color: var(--accent-gold); 
    font-size: 0.8rem; margin-bottom: 0.5rem; display: block; letter-spacing: 1px;
}
.timeline-title { 
    font-family: 'Syncopate', sans-serif; font-size: 1.1rem; 
    margin-bottom: 1rem; color: white; 
}

/* ============================================================
   TOKENOMICS
   ============================================================ */
.network-badge {
    display: inline-block; padding: 6px 16px; 
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.25); color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; font-weight: 600;
    border-radius: 50px; margin-bottom: 1.5rem; letter-spacing: 1.5px;
}
.token-contract-box {
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(0,0,0,0.3); border: 1px solid var(--glass-border);
    padding: 1.25rem 2rem; border-radius: var(--radius); margin-top: 2rem;
    border-left: 3px solid var(--accent-gold);
}
.contract-address { 
    font-family: 'JetBrains Mono', monospace; font-size: 1rem; 
    color: var(--text-main); letter-spacing: 0.5px; 
}
.flywheel-container { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.flywheel-step {
    display: flex; align-items: flex-start; background: rgba(255,255,255,0.015);
    padding: 1.5rem; border-radius: var(--radius); 
    border: 1px solid var(--glass-border); 
    transition: transform 0.3s ease, background 0.3s ease;
}
.flywheel-step:hover { 
    transform: translateX(8px); background: rgba(255,255,255,0.03); 
    border-color: rgba(255,255,255,0.08); 
}
.step-number { 
    font-family: 'Syncopate', sans-serif; font-size: 1.8rem; font-weight: 700; 
    color: rgba(255,255,255,0.07); margin-right: 1.5rem; line-height: 1; 
}

.allocation-bar { 
    display: flex; width: 100%; height: 36px; border-radius: 18px; overflow: hidden; 
    margin: 2rem 0; box-shadow: 0 4px 20px rgba(0,0,0,0.4); 
}
.alloc-segment { 
    display: flex; align-items: center; justify-content: center; 
    font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; 
    font-weight: 600; color: var(--bg-dark); 
}
.c-1 { width: 25%; background: var(--accent-cyan); }
.c-2 { width: 20%; background: var(--accent-gold); }
.c-3 { width: 20%; background: #88c0d0; }
.c-4 { width: 15%; background: #ebcb8b; }
.c-5 { width: 10%; background: #a3be8c; }
.c-6 { width: 10%; background: #b48ead; }

.legend-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.legend-item { 
    display: flex; align-items: center; gap: 10px; 
    font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--text-muted); 
}
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }

/* ============================================================
   RESPONSIVE — TABLET (max 1100px)
   ============================================================ */
@media (max-width: 1100px) {
    header { padding: 0 2.5rem; }
    .logo { font-size: 0.85rem; letter-spacing: 2px; }
    .logo-img-3d { height: 30px; }
    .header-nav { gap: 0; }
    .nav-link, .btn-ghost { padding: 0 1rem; font-size: 0.75rem; }
    .lang-switch { margin-right: 1.5rem; padding-right: 1.5rem; }
    .nav-cta { padding: 6px 14px; font-size: 0.7rem; margin-left: 1rem; }
    .version-badge { display: none; }
    
    .content-wrapper { padding: 2rem 3rem 4rem; gap: 2rem; }
    .footer-panel { margin: 0 3rem 2rem; }
    .elegant-title { font-size: 2.5rem; }
    .pillars-grid { grid-template-columns: 1fr; }
    .tech-stack-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .hero-section { padding: 3rem 2.5rem; }
    .timeline::after { left: 31px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; text-align: left; }
    .timeline-item.right { left: 0%; }
    .timeline-item.left::after, .timeline-item.right::after { left: 23px; }
}

/* ============================================================
   RESPONSIVE — MOBILE (max 768px)
   ============================================================ */
@media (max-width: 768px) {
    header { 
        height: auto; padding: 1rem 1.5rem; flex-direction: column; 
        gap: 0.8rem; align-items: center; 
    }
    .logo { font-size: 0.75rem; letter-spacing: 1.5px; gap: 10px; }
    .logo-img-3d { height: 26px; }
    .header-nav { 
        width: 100%; justify-content: center; flex-wrap: wrap; gap: 0;
        margin-left: 0;
    }
    .nav-link, .btn-ghost { 
        padding: 8px 10px; font-size: 0.7rem; height: auto; 
    }
    .nav-link::after, .btn-ghost::after { bottom: 0; }
    .lang-switch { 
        margin: 0 0 0.5rem 0; padding: 0; border: none; 
        width: 100%; justify-content: center;
    }
    .nav-cta { margin: 0.5rem 0 0 0; }
    .version-badge { display: none; }
    
    .content-wrapper { padding: 1rem 1.25rem 3rem; gap: 1.5rem; }
    .glass-panel { padding: 1.75rem; }
    .footer-panel { margin: 0 1rem 1.5rem; padding: 2rem 1.5rem; }
    
    .elegant-title { font-size: 1.8rem; margin-bottom: 1rem; }
    .elegant-subtitle { font-size: 1rem; line-height: 1.65; }
    .cap-title { font-size: 1.1rem; }
    .philosophy-text { font-size: 0.95rem; }
    
    .action-buttons { flex-direction: column; width: 100%; }
    .btn-primary, .btn-outline { width: 100%; text-align: center; }
    
    .tech-stack-grid { grid-template-columns: 1fr; gap: 1rem; }
    .tech-item { padding: 1.5rem; }
    
    .token-contract-box { 
        flex-direction: column; gap: 1rem; text-align: center; word-break: break-all; 
    }
    .contract-address { font-size: 0.8rem; }
    .flywheel-step { flex-direction: column; text-align: center; gap: 0.75rem; }
    .step-number { margin-right: 0; font-size: 1.5rem; }
    .allocation-bar { flex-direction: column; height: auto; border-radius: var(--radius); }
    .alloc-segment { width: 100% !important; padding: 8px 0; font-size: 0.75rem; }

    .viz-image { max-height: 280px; }
}