/* ==========================================================================
   PT ARGAKARSA TEKNOLOGI NUSANTARA - DESIGN SYSTEM & STYLESHEET
   Domain: argakarsa.biz.id
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ========================================================================== */

:root {
  --color-navy-950: #050a18;
  --color-navy-900: #0a1128;
  --color-navy-800: #0f1c3f;
  --color-navy-700: #1a2a56;
  --color-cyan-600: #0891b2;
  --color-cyan-500: #06b6d4;
  --color-cyan-400: #22d3ee;
  --color-cyan-300: #67e8f9;
  --color-teal-600: #0f766e;
  --color-teal-500: #0d9488;
  --color-teal-400: #14b8a6;
  --color-gold-700: #b45309;
  --color-gold-600: #d97706;
  --color-gold-500: #f59e0b;
  --color-gold-400: #fbbf24;
  --color-blue-700: #1d4ed8;
  --color-blue-600: #2563eb;
  --color-blue-500: #3b82f6;

  /* LIGHT MODE SURFACES */
  --bg-body:        #f0f4f8;
  --bg-surface:     #ffffff;
  --bg-card:        rgba(255, 255, 255, 0.90);
  --bg-card-hover:  rgba(255, 255, 255, 1.0);
  --bg-glass:       rgba(255, 255, 255, 0.75);
  --bg-input:       rgba(255, 255, 255, 0.95);
  --bg-nav:         rgba(255, 255, 255, 0.92);
  --bg-footer:      #0d1526;

  --border-subtle:  rgba(15, 30, 80, 0.10);
  --border-medium:  rgba(15, 30, 80, 0.18);
  --border-accent:  rgba(8, 145, 178, 0.45);
  --border-gold:    rgba(217, 119, 6, 0.40);
  --glow-cyan:      0 0 28px rgba(6, 182, 212, 0.22);
  --glow-gold:      0 0 28px rgba(245, 158, 11, 0.22);
  --shadow-sm:      0 2px 8px rgba(10, 17, 60, 0.08);
  --shadow-md:      0 6px 24px rgba(10, 17, 60, 0.12);
  --shadow-lg:      0 16px 48px rgba(10, 17, 60, 0.16);
  --shadow-xl:      0 24px 64px rgba(10, 17, 60, 0.20);

  --text-main:      #0f172a;
  --text-body:      #1e293b;
  --text-muted:     #475569;
  --text-dim:       #94a3b8;
  --text-inverse:   #ffffff;
  --text-cyan:      var(--color-cyan-600);
  --text-gold:      var(--color-gold-700);

  --font-sans:   'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:   'Space Grotesk', monospace;

  --container-max:   1200px;
  --nav-height:      76px;
  --radius-xs:       6px;
  --radius-sm:       10px;
  --radius-md:       16px;
  --radius-lg:       22px;
  --radius-xl:       30px;
  --radius-full:     9999px;
  --transition-fast:   0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

/* DARK MODE */
[data-theme="dark"] {
  --bg-body:        #060c1c;
  --bg-surface:     #0c1428;
  --bg-card:        rgba(13, 22, 50, 0.75);
  --bg-card-hover:  rgba(20, 33, 72, 0.90);
  --bg-glass:       rgba(10, 16, 40, 0.80);
  --bg-input:       rgba(10, 18, 46, 0.85);
  --bg-nav:         rgba(8, 14, 32, 0.92);
  --bg-footer:      #03070f;

  --border-subtle:  rgba(255, 255, 255, 0.07);
  --border-medium:  rgba(255, 255, 255, 0.12);
  --border-accent:  rgba(6, 182, 212, 0.35);
  --border-gold:    rgba(245, 158, 11, 0.32);
  --glow-cyan:      0 0 28px rgba(6, 182, 212, 0.28);
  --glow-gold:      0 0 28px rgba(245, 158, 11, 0.28);
  --shadow-sm:      0 2px 10px rgba(0,0,0,0.35);
  --shadow-md:      0 8px 28px rgba(0,0,0,0.45);
  --shadow-lg:      0 18px 50px rgba(0,0,0,0.55);
  --shadow-xl:      0 28px 70px rgba(0,0,0,0.65);

  --text-main:      #f0f6ff;
  --text-body:      #d8e6f5;
  --text-muted:     #8fa8c8;
  --text-dim:       #536b86;
  --text-inverse:   #0f172a;
  --text-cyan:      var(--color-cyan-400);
  --text-gold:      var(--color-gold-400);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition-fast); }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }

/* CANVAS & AMBIENT */
#bg-canvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: -2; pointer-events: none;
  opacity: 0.45; transition: opacity var(--transition-slow);
}
[data-theme="dark"] #bg-canvas { opacity: 1; }
.ambient-light {
  position: fixed; border-radius: 50%; filter: blur(130px);
  pointer-events: none; z-index: -1; transition: opacity var(--transition-slow);
}
.ambient-light-1 { width: 560px; height: 560px; top: -80px; left: -80px;
  background: radial-gradient(circle, rgba(8,145,178,0.18), transparent 70%); }
.ambient-light-2 { width: 640px; height: 640px; top: 35%; right: -180px;
  background: radial-gradient(circle, rgba(37,99,235,0.12), transparent 70%); }
.ambient-light-3 { width: 500px; height: 500px; bottom: 5%; left: 8%;
  background: radial-gradient(circle, rgba(217,119,6,0.10), transparent 75%); }
[data-theme="dark"] .ambient-light-1 { background: radial-gradient(circle, rgba(6,182,212,0.20), transparent 70%); }
[data-theme="dark"] .ambient-light-2 { background: radial-gradient(circle, rgba(37,99,235,0.18), transparent 70%); }
[data-theme="dark"] .ambient-light-3 { background: radial-gradient(circle, rgba(245,158,11,0.14), transparent 75%); }

::selection { background: var(--color-cyan-500); color: #ffffff; }

/* LAYOUT */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 6.5rem 0; position: relative; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 4rem auto; }

.section-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.38rem 1.1rem; border-radius: var(--radius-full);
  background: rgba(8,145,178,0.09); border: 1px solid var(--border-accent);
  color: var(--text-cyan); font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.07em; text-transform: uppercase; margin-bottom: 1.1rem;
}
.section-badge.gold { background: rgba(217,119,6,0.09); border-color: var(--border-gold); color: var(--text-gold); }
[data-theme="dark"] .section-badge { background: rgba(6,182,212,0.11); }
[data-theme="dark"] .section-badge.gold { background: rgba(245,158,11,0.11); }

.section-title { font-size: clamp(2rem,3.5vw,2.8rem); font-weight: 800; line-height: 1.18; margin-bottom: 1rem; letter-spacing: -0.03em; color: var(--text-main); }

.section-title span.gradient-cyan {
  background: linear-gradient(135deg, var(--color-cyan-600) 10%, var(--color-blue-600) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
[data-theme="dark"] .section-title span.gradient-cyan {
  background: linear-gradient(135deg, #ffffff 25%, var(--color-cyan-400) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-title span.gradient-gold {
  background: linear-gradient(135deg, var(--color-gold-700) 10%, var(--color-gold-500) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
[data-theme="dark"] .section-title span.gradient-gold {
  background: linear-gradient(135deg, #ffffff 25%, var(--color-gold-400) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-desc { font-size: 1.05rem; color: var(--text-muted); line-height: 1.75; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 0.875rem 1.875rem; border-radius: var(--radius-md); font-weight: 700;
  font-size: 0.95rem; cursor: pointer; transition: all var(--transition-fast);
  white-space: nowrap; position: relative; overflow: hidden; letter-spacing: 0.01em; border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-cyan-600) 0%, var(--color-blue-700) 100%);
  color: #ffffff; box-shadow: 0 4px 18px rgba(8,145,178,0.38);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(8,145,178,0.52); filter: brightness(1.08); }
[data-theme="dark"] .btn-primary { background: linear-gradient(135deg, var(--color-cyan-500) 0%, var(--color-blue-600) 100%); box-shadow: 0 4px 20px rgba(6,182,212,0.38); }
[data-theme="dark"] .btn-primary:hover { box-shadow: 0 10px 30px rgba(6,182,212,0.55); }
.btn-secondary {
  background: rgba(8,145,178,0.07); color: var(--color-cyan-600); border: 1.5px solid var(--border-accent);
}
.btn-secondary:hover { background: rgba(8,145,178,0.14); border-color: var(--color-cyan-500); transform: translateY(-2px); box-shadow: var(--glow-cyan); }
[data-theme="dark"] .btn-secondary { background: rgba(6,182,212,0.07); color: var(--color-cyan-400); }
[data-theme="dark"] .btn-secondary:hover { background: rgba(6,182,212,0.14); }
.btn-gold { background: linear-gradient(135deg, var(--color-gold-500) 0%, var(--color-gold-700) 100%); color: #ffffff; font-weight: 700; box-shadow: 0 4px 18px rgba(217,119,6,0.35); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(217,119,6,0.5); filter: brightness(1.06); }
.btn-sm { padding: 0.55rem 1.2rem; font-size: 0.855rem; border-radius: var(--radius-sm); }
.btn-icon-only { width: 44px; height: 44px; padding: 0; border-radius: 50%; }

/* GLASS CARD */
.glass-card {
  background: var(--bg-card); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}
.glass-card:hover { border-color: var(--border-accent); background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-xl), var(--glow-cyan); }

/* THEME TOGGLE */
.theme-toggle {
  position: relative; width: 52px; height: 28px; border-radius: 14px;
  background: rgba(8,145,178,0.12); border: 1.5px solid var(--border-accent);
  cursor: pointer; transition: all var(--transition-normal);
  flex-shrink: 0; display: flex; align-items: center; padding: 0; overflow: visible;
}
[data-theme="dark"] .theme-toggle { background: rgba(6,182,212,0.2); border-color: var(--color-cyan-400); box-shadow: 0 0 14px rgba(6,182,212,0.3); }
.theme-toggle-thumb {
  position: absolute; left: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--color-cyan-600); display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-normal); box-shadow: 0 2px 6px rgba(8,145,178,0.4);
}
[data-theme="dark"] .theme-toggle-thumb { left: calc(100% - 23px); background: var(--color-cyan-400); box-shadow: 0 2px 10px rgba(34,211,238,0.55); }
.theme-toggle-thumb svg { width: 11px; height: 11px; color: #ffffff; }
.theme-icon-sun, .theme-icon-moon { position: absolute; transition: opacity var(--transition-fast), transform var(--transition-fast); }
.theme-icon-sun { opacity: 1; transform: scale(1); }
.theme-icon-moon { opacity: 0; transform: scale(0.6); }
[data-theme="dark"] .theme-icon-sun { opacity: 0; transform: scale(0.6); }
[data-theme="dark"] .theme-icon-moon { opacity: 1; transform: scale(1); }

/* HEADER / NAVBAR */
.site-header { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height); z-index: 100; transition: all var(--transition-normal); background: transparent; }
.site-header.scrolled { background: var(--bg-nav); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-subtle); box-shadow: var(--shadow-md); height: 68px; }
.navbar { height: 100%; display: flex; align-items: center; justify-content: space-between; }

/* Brand */
.brand { display: flex; align-items: center; gap: 0.9rem; text-decoration: none; }
.brand-emblem-wrap {
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.9); border: 1.5px solid var(--border-accent); border-radius: 13px;
  padding: 4px; box-shadow: var(--shadow-sm); transition: var(--transition-normal);
}
[data-theme="dark"] .brand-emblem-wrap { background: rgba(10,18,46,0.75); border-color: rgba(6,182,212,0.4); box-shadow: 0 2px 12px rgba(0,0,0,0.35), inset 0 0 12px rgba(6,182,212,0.07); }
.brand:hover .brand-emblem-wrap { transform: rotate(6deg) scale(1.08); border-color: var(--color-cyan-500); box-shadow: var(--glow-cyan), var(--shadow-md); }
.brand-emblem { width: 100%; height: 100%; object-fit: contain; transition: filter var(--transition-normal); }
[data-theme="dark"] .brand-emblem { filter: drop-shadow(0 2px 6px rgba(6,182,212,0.28)); }
.brand-info { display: flex; flex-direction: column; }
.brand-title { font-family: var(--font-sans); font-size: 1.225rem; font-weight: 800; letter-spacing: 0.07em; color: var(--color-navy-900); line-height: 1.1; transition: color var(--transition-normal); }
[data-theme="dark"] .brand-title { color: #f0f6ff; }
.brand-subtitle { font-size: 0.635rem; font-weight: 700; letter-spacing: 0.18em; color: var(--color-cyan-600); text-transform: uppercase; transition: color var(--transition-normal); }
[data-theme="dark"] .brand-subtitle { color: var(--color-cyan-400); }

/* Nav */
.nav-menu { display: flex; align-items: center; gap: 1.85rem; }
.nav-link { font-size: 0.92rem; font-weight: 600; color: var(--text-muted); position: relative; padding: 0.4rem 0; transition: color var(--transition-fast); }
.nav-link:hover, .nav-link.active { color: var(--text-main); }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2.5px; background: linear-gradient(90deg, var(--color-cyan-600), var(--color-teal-500)); transition: width var(--transition-fast); border-radius: 2px; }
[data-theme="dark"] .nav-link::after { background: linear-gradient(90deg, var(--color-cyan-400), var(--color-teal-400)); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 0.875rem; }
.mobile-toggle { display: none; background: transparent; color: var(--text-main); cursor: pointer; padding: 0.5rem; border-radius: var(--radius-sm); }
.hamburger { width: 24px; height: 18px; position: relative; display: flex; flex-direction: column; justify-content: space-between; }
.hamburger span { display: block; height: 2px; width: 100%; background-color: var(--text-main); border-radius: 2px; transition: all var(--transition-fast); }
.mobile-toggle.active .hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.mobile-toggle.active .hamburger span:nth-child(2) { opacity: 0; }
.mobile-toggle.active .hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* HERO */
.hero-section { padding-top: calc(var(--nav-height) + 4.5rem); padding-bottom: 5.5rem; position: relative; overflow: hidden; }
.hero-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse 60% 50% at 20% 30%, rgba(8,145,178,0.07) 0%, transparent 70%),
              radial-gradient(ellipse 50% 60% at 80% 60%, rgba(37,99,235,0.06) 0%, transparent 70%);
}
[data-theme="dark"] .hero-section::before {
  background: radial-gradient(ellipse 60% 50% at 20% 30%, rgba(6,182,212,0.12) 0%, transparent 70%),
              radial-gradient(ellipse 50% 60% at 80% 60%, rgba(37,99,235,0.10) 0%, transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 3.5rem; position: relative; z-index: 1; }
.hero-content { position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.65rem; padding: 0.48rem 1.2rem; background: rgba(8,145,178,0.08); border: 1px solid var(--border-accent); border-radius: var(--radius-full); margin-bottom: 1.85rem; }
[data-theme="dark"] .hero-badge { background: rgba(6,182,212,0.10); }
.badge-pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--color-cyan-600); box-shadow: 0 0 10px var(--color-cyan-500); animation: pulse-dot 1.8s infinite; }
[data-theme="dark"] .badge-pulse { background: var(--color-cyan-400); box-shadow: 0 0 10px var(--color-cyan-400); }
@keyframes pulse-dot { 0%,100% { transform:scale(0.92); opacity:0.75; } 50% { transform:scale(1.38); opacity:1; } }
.hero-badge-text { font-size: 0.84rem; font-weight: 700; color: var(--text-cyan); letter-spacing: 0.03em; }
.hero-title { font-size: clamp(2.4rem,4.5vw,3.7rem); font-weight: 800; line-height: 1.13; margin-bottom: 1.5rem; letter-spacing: -0.04em; color: var(--text-main); }
.hero-title .gradient-text { background: linear-gradient(135deg, var(--color-cyan-600) 0%, var(--color-blue-700) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
[data-theme="dark"] .hero-title .gradient-text { background: linear-gradient(135deg, #ffffff 20%, var(--color-cyan-400) 70%, var(--color-blue-500) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-title .gold-accent { background: linear-gradient(135deg, var(--color-gold-700) 0%, var(--color-gold-500) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
[data-theme="dark"] .hero-title .gold-accent { background: linear-gradient(135deg, #ffffff 20%, var(--color-gold-400) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: 1.1rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 2.25rem; max-width: 580px; }
.hero-actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; padding-top: 2rem; border-top: 1px solid var(--border-subtle); }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-family: var(--font-mono); font-size: 1.9rem; font-weight: 700; color: var(--text-main); line-height: 1.2; }
.stat-number span.cyan { color: var(--color-cyan-600); }
[data-theme="dark"] .stat-number span.cyan { color: var(--color-cyan-400); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; font-weight: 500; }

/* Hero Visual */
.hero-visual { position: relative; z-index: 1; }
.hero-card-main { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-medium); box-shadow: var(--shadow-xl), var(--glow-cyan); background: var(--bg-card); }
.hero-image { width: 100%; height: 380px; object-fit: cover; display: block; transition: transform var(--transition-slow); }
.hero-card-main:hover .hero-image { transform: scale(1.04); }
.hero-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,17,40,0.90) 5%, rgba(10,17,40,0.25) 55%, transparent 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 1.75rem; }
.overlay-status { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.75rem; color: var(--color-cyan-300); background: rgba(6,182,212,0.22); padding: 0.25rem 0.75rem; border-radius: var(--radius-full); margin-bottom: 0.5rem; width: fit-content; }
.overlay-title { font-size: 1.15rem; font-weight: 700; color: #ffffff; }

/* Floating Badges */
.floating-badge { position: absolute; display: flex; align-items: center; gap: 0.75rem; padding: 0.875rem 1.25rem; background: rgba(255,255,255,0.96); backdrop-filter: blur(16px); border: 1px solid var(--border-medium); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); z-index: 3; animation: float 4s ease-in-out infinite; }
[data-theme="dark"] .floating-badge { background: rgba(13,22,52,0.92); border-color: var(--border-subtle); }
.badge-top-right { top: -20px; right: -20px; border-color: var(--border-accent); }
.badge-bottom-left { bottom: -25px; left: -20px; border-color: var(--border-gold); animation-delay: -2s; }
.badge-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 10px; font-size: 1.1rem; }
.badge-icon.cyan { background: rgba(8,145,178,0.12); color: var(--color-cyan-600); }
[data-theme="dark"] .badge-icon.cyan { background: rgba(6,182,212,0.18); color: var(--color-cyan-400); }
.badge-icon.gold { background: rgba(217,119,6,0.12); color: var(--color-gold-600); }
[data-theme="dark"] .badge-icon.gold { background: rgba(245,158,11,0.18); color: var(--color-gold-400); }
.badge-text-title { font-size: 0.855rem; font-weight: 700; color: var(--text-main); }
.badge-text-sub { font-size: 0.75rem; color: var(--text-muted); }
@keyframes float { 0%,100% { transform:translateY(0px); } 50% { transform:translateY(-10px); } }

/* ABOUT */
.about-section { position: relative; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.about-text h3 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1.25rem; line-height: 1.3; color: var(--text-main); }
.about-text p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 1rem; line-height: 1.75; }
.vision-mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 2rem; }
.vm-box { padding: 1.35rem; border-radius: var(--radius-md); background: rgba(8,145,178,0.05); border: 1px solid var(--border-accent); }
[data-theme="dark"] .vm-box { background: rgba(6,182,212,0.05); border-color: rgba(6,182,212,0.20); }
.vm-box h4 { display: flex; align-items: center; gap: 0.5rem; font-size: 1rem; font-weight: 700; color: var(--color-cyan-600); margin-bottom: 0.5rem; }
[data-theme="dark"] .vm-box h4 { color: var(--color-cyan-400); }
.vm-box p { font-size: 0.875rem; margin-bottom: 0; line-height: 1.55; color: var(--text-muted); }

/* Legal */
.legal-card { padding: 2.25rem; position: relative; overflow: hidden; }
.legal-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: linear-gradient(to bottom, var(--color-cyan-500), var(--color-gold-500)); }
.legal-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.75rem; }
.legal-shield-icon { width: 48px; height: 48px; border-radius: 13px; background: rgba(8,145,178,0.09); border: 1px solid var(--border-accent); display: flex; align-items: center; justify-content: center; color: var(--color-cyan-600); }
[data-theme="dark"] .legal-shield-icon { background: rgba(6,182,212,0.10); color: var(--color-cyan-400); }
.legal-header-text h4 { font-size: 1.2rem; font-weight: 700; color: var(--text-main); }
.legal-header-text span { font-size: 0.825rem; color: var(--color-teal-600); }
[data-theme="dark"] .legal-header-text span { color: var(--color-teal-400); }
.legal-list { display: flex; flex-direction: column; gap: 1rem; }
.legal-item { display: flex; align-items: flex-start; gap: 0.85rem; padding: 0.9rem 1rem; background: rgba(8,145,178,0.04); border-radius: var(--radius-sm); border: 1px solid var(--border-subtle); }
[data-theme="dark"] .legal-item { background: rgba(0,0,0,0.22); border-color: rgba(255,255,255,0.05); }
.legal-item-icon { color: var(--color-gold-600); margin-top: 2px; }
[data-theme="dark"] .legal-item-icon { color: var(--color-gold-400); }
.legal-item-content { display: flex; flex-direction: column; }
.legal-item-label { font-size: 0.74rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.legal-item-val { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 600; color: var(--text-main); }
.legal-footer-note { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border-subtle); font-size: 0.825rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.5rem; }

/* SERVICES */
.services-section { position: relative; }
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.75rem; }
.service-card { padding: 2.25rem; display: flex; flex-direction: column; height: 100%; }
.service-icon-wrap { width: 60px; height: 60px; border-radius: 17px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; font-size: 1.55rem; background: rgba(8,145,178,0.09); border: 1px solid var(--border-accent); color: var(--color-cyan-600); transition: var(--transition-normal); }
[data-theme="dark"] .service-icon-wrap { background: rgba(6,182,212,0.10); color: var(--color-cyan-400); }
.service-card:hover .service-icon-wrap { transform: scale(1.12) rotate(5deg); background: linear-gradient(135deg, var(--color-cyan-500), var(--color-blue-700)); color: #ffffff; box-shadow: var(--glow-cyan); border-color: transparent; }
.service-card.gold-theme .service-icon-wrap { background: rgba(217,119,6,0.09); border-color: var(--border-gold); color: var(--color-gold-700); }
[data-theme="dark"] .service-card.gold-theme .service-icon-wrap { background: rgba(245,158,11,0.10); color: var(--color-gold-400); }
.service-card.gold-theme:hover .service-icon-wrap { background: linear-gradient(135deg, var(--color-gold-400), var(--color-gold-700)); color: #ffffff; box-shadow: var(--glow-gold); border-color: transparent; }
.service-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.875rem; color: var(--text-main); }
.service-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.5rem; flex-grow: 1; }
.service-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.service-tag { font-size: 0.75rem; padding: 0.25rem 0.7rem; border-radius: var(--radius-full); background: rgba(8,145,178,0.08); border: 1px solid var(--border-accent); color: var(--color-cyan-600); font-family: var(--font-mono); }
[data-theme="dark"] .service-tag { background: rgba(6,182,212,0.09); color: var(--color-cyan-400); }

/* PORTFOLIO */
.portfolio-section { position: relative; }
.portfolio-filter { display: flex; align-items: center; justify-content: center; gap: 0.75rem; margin-bottom: 3rem; flex-wrap: wrap; }
.filter-btn { padding: 0.6rem 1.4rem; border-radius: var(--radius-full); background: rgba(8,145,178,0.06); border: 1.5px solid var(--border-medium); color: var(--text-muted); font-size: 0.875rem; font-weight: 600; cursor: pointer; transition: var(--transition-fast); }
[data-theme="dark"] .filter-btn { background: rgba(255,255,255,0.04); border-color: var(--border-subtle); }
.filter-btn:hover, .filter-btn.active { background: rgba(8,145,178,0.14); border-color: var(--color-cyan-600); color: var(--color-cyan-600); box-shadow: 0 0 16px rgba(8,145,178,0.18); }
[data-theme="dark"] .filter-btn:hover, [data-theme="dark"] .filter-btn.active { background: rgba(6,182,212,0.16); border-color: var(--color-cyan-400); color: var(--color-cyan-300); }
.portfolio-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.project-card { border-radius: var(--radius-lg); overflow: hidden; position: relative; cursor: pointer; background: var(--bg-card); border: 1px solid var(--border-subtle); box-shadow: var(--shadow-sm); transition: all var(--transition-normal); }
.project-card:hover { border-color: var(--border-accent); box-shadow: var(--shadow-lg), var(--glow-cyan); transform: translateY(-5px); }
.project-thumb-wrap { position: relative; height: 240px; overflow: hidden; }
.project-thumb { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.project-card:hover .project-thumb { transform: scale(1.08); }
.project-badge-cat { position: absolute; top: 1rem; left: 1rem; padding: 0.3rem 0.85rem; background: rgba(255,255,255,0.90); backdrop-filter: blur(8px); border: 1px solid var(--border-accent); border-radius: var(--radius-full); font-size: 0.74rem; font-weight: 700; color: var(--color-cyan-600); z-index: 2; }
[data-theme="dark"] .project-badge-cat { background: rgba(7,13,30,0.88); color: var(--color-cyan-300); }
.project-body { padding: 1.75rem; }
.project-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.65rem; color: var(--text-main); }
.project-excerpt { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 1.25rem; }
.project-meta { display: flex; align-items: center; justify-content: space-between; padding-top: 1rem; border-top: 1px solid var(--border-subtle); }
.project-tech { font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-teal-600); }
[data-theme="dark"] .project-tech { color: var(--color-teal-400); }
.project-cta-link { font-size: 0.85rem; font-weight: 700; color: var(--color-cyan-600); display: flex; align-items: center; gap: 0.35rem; transition: var(--transition-fast); }
[data-theme="dark"] .project-cta-link { color: var(--color-cyan-400); }
.project-card:hover .project-cta-link { color: var(--color-blue-700); transform: translateX(4px); }
[data-theme="dark"] .project-card:hover .project-cta-link { color: #ffffff; }

/* TECH */
.tech-section { position: relative; }
.tech-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.tech-box { padding: 1.75rem; display: flex; flex-direction: column; gap: 1rem; border-radius: var(--radius-md); background: var(--bg-card); border: 1px solid var(--border-subtle); box-shadow: var(--shadow-sm); transition: all var(--transition-normal); }
.tech-box:hover { border-color: var(--border-accent); box-shadow: var(--shadow-md), var(--glow-cyan); transform: translateY(-3px); }
.tech-box-header { display: flex; align-items: center; gap: 0.75rem; }
.tech-box-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 10px; background: rgba(8,145,178,0.10); color: var(--color-cyan-600); border: 1px solid var(--border-accent); }
[data-theme="dark"] .tech-box-icon { background: rgba(6,182,212,0.10); color: var(--color-cyan-400); }
.tech-box-title { font-size: 1.05rem; font-weight: 700; color: var(--text-main); }
.tech-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tech-chip { padding: 0.32rem 0.75rem; background: rgba(8,145,178,0.06); border: 1px solid var(--border-medium); border-radius: var(--radius-xs); font-size: 0.82rem; font-weight: 500; color: var(--text-body); transition: var(--transition-fast); }
[data-theme="dark"] .tech-chip { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.08); color: var(--text-main); }
.tech-chip:hover { border-color: var(--color-cyan-600); color: var(--color-cyan-600); transform: translateY(-2px); background: rgba(8,145,178,0.10); }
[data-theme="dark"] .tech-chip:hover { border-color: var(--color-cyan-400); color: var(--color-cyan-300); background: rgba(6,182,212,0.10); }

/* Process */
.process-section { position: relative; }
.process-timeline { display: grid; grid-template-columns: repeat(5,1fr); gap: 1.5rem; position: relative; margin-top: 3rem; }
.process-step { display: flex; flex-direction: column; position: relative; }
.step-number-wrap { position: relative; margin-bottom: 1.5rem; }
.step-number { width: 54px; height: 54px; border-radius: 17px; background: rgba(8,145,178,0.08); border: 1.5px solid var(--border-accent); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 1.25rem; font-weight: 700; color: var(--color-cyan-600); box-shadow: 0 0 18px rgba(8,145,178,0.14); transition: var(--transition-normal); }
[data-theme="dark"] .step-number { background: rgba(6,182,212,0.09); color: var(--color-cyan-400); box-shadow: 0 0 20px rgba(6,182,212,0.20); }
.process-step:hover .step-number { background: linear-gradient(135deg, var(--color-cyan-500), var(--color-blue-700)); color: #ffffff; transform: scale(1.12); box-shadow: var(--glow-cyan); border-color: transparent; }
.step-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-main); }
.step-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* FAQ */
.faq-section { position: relative; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item { border-radius: var(--radius-md); overflow: hidden; background: var(--bg-card); border: 1px solid var(--border-subtle); box-shadow: var(--shadow-sm); transition: var(--transition-normal); }
.faq-item:hover { border-color: var(--border-accent); box-shadow: var(--shadow-md); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 1.35rem 1.75rem; background: transparent; color: var(--text-main); font-size: 1.04rem; font-weight: 600; text-align: left; cursor: pointer; border: none; }
.faq-toggle-icon { width: 28px; height: 28px; border-radius: 50%; background: rgba(8,145,178,0.08); display: flex; align-items: center; justify-content: center; color: var(--color-cyan-600); transition: transform var(--transition-fast); flex-shrink: 0; }
[data-theme="dark"] .faq-toggle-icon { background: rgba(6,182,212,0.10); color: var(--color-cyan-400); }
.faq-item.active .faq-toggle-icon { transform: rotate(180deg); background: rgba(8,145,178,0.16); }
[data-theme="dark"] .faq-item.active .faq-toggle-icon { background: rgba(6,182,212,0.20); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 1.75rem; color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }
.faq-item.active .faq-answer { max-height: 250px; padding: 0 1.75rem 1.5rem 1.75rem; }

/* CONTACT */
.contact-section { position: relative; }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3.5rem; align-items: start; }
.contact-info-card { padding: 2.5rem; }
.contact-info-card h3 { font-size: 1.75rem; font-weight: 800; margin-bottom: 1rem; color: var(--text-main); }
.contact-info-card p.intro { color: var(--text-muted); margin-bottom: 2rem; font-size: 1rem; }
.contact-channels { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 2.5rem; }
.channel-item { display: flex; align-items: flex-start; gap: 1rem; }
.channel-icon { width: 44px; height: 44px; border-radius: 13px; background: rgba(8,145,178,0.09); border: 1px solid var(--border-accent); display: flex; align-items: center; justify-content: center; color: var(--color-cyan-600); flex-shrink: 0; }
[data-theme="dark"] .channel-icon { background: rgba(6,182,212,0.10); color: var(--color-cyan-400); }
.channel-icon.green { background: rgba(34,197,94,0.10); border-color: rgba(34,197,94,0.30); color: #16a34a; }
[data-theme="dark"] .channel-icon.green { color: #22c55e; }
.channel-content h5 { font-size: 0.82rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.25rem; }
.channel-content a, .channel-content span { font-size: 1rem; font-weight: 600; color: var(--text-main); }
.channel-content a:hover { color: var(--color-cyan-600); }
[data-theme="dark"] .channel-content a:hover { color: var(--color-cyan-400); }
.contact-form-card { padding: 2.5rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-label { font-size: 0.85rem; font-weight: 700; color: var(--text-body); }
.form-control { width: 100%; padding: 0.9rem 1.2rem; background: var(--bg-input); border: 1.5px solid var(--border-medium); border-radius: var(--radius-sm); color: var(--text-main); font-size: 0.95rem; transition: var(--transition-fast); }
.form-control:focus { border-color: var(--color-cyan-500); box-shadow: 0 0 0 3px rgba(8,145,178,0.12); }
[data-theme="dark"] .form-control:focus { border-color: var(--color-cyan-400); box-shadow: 0 0 0 3px rgba(6,182,212,0.18), 0 0 18px rgba(6,182,212,0.20); background: rgba(15,26,58,0.95); }
.form-control::placeholder { color: var(--text-dim); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-status { padding: 0.9rem 1.1rem; border-radius: var(--radius-sm); font-size: 0.9rem; display: none; }
.form-status.success { display: block; background: rgba(22,163,74,0.10); border: 1px solid #16a34a; color: #15803d; }
[data-theme="dark"] .form-status.success { background: rgba(34,197,94,0.12); border-color: #22c55e; color: #4ade80; }
.form-status.error { display: block; background: rgba(220,38,38,0.10); border: 1px solid #dc2626; color: #b91c1c; }
[data-theme="dark"] .form-status.error { background: rgba(239,68,68,0.12); border-color: #ef4444; color: #f87171; }

/* FOOTER */
.site-footer { background: var(--bg-footer); border-top: 1px solid rgba(255,255,255,0.07); padding: 5rem 0 2rem 0; position: relative; z-index: 10; }
.footer-top { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr; gap: 3rem; margin-bottom: 3.5rem; }
.footer-brand p { color: rgba(180,200,230,0.75); font-size: 0.92rem; line-height: 1.7; margin-top: 1rem; max-width: 320px; }
.footer-legal-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.9rem; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.10); border-radius: var(--radius-xs); font-size: 0.75rem; color: rgba(160,180,210,0.70); margin-top: 1.25rem; }
.footer-col h5 { font-size: 0.95rem; font-weight: 700; color: #ffffff; margin-bottom: 1.25rem; letter-spacing: 0.03em; }
.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { color: rgba(160,185,220,0.75); font-size: 0.9rem; transition: var(--transition-fast); }
.footer-links a:hover { color: var(--color-cyan-400); transform: translateX(4px); }
.footer-bottom { padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.07); display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; color: rgba(130,155,190,0.65); }
.site-footer .brand-title { color: #ffffff; }
.site-footer .brand-subtitle { color: var(--color-cyan-400); }
.site-footer .brand-emblem-wrap { background: rgba(0,0,0,0.35); border-color: rgba(6,182,212,0.35); box-shadow: none; }

/* MODAL */
.modal-overlay { position: fixed; inset: 0; background: rgba(5,10,30,0.72); backdrop-filter: blur(18px); display: flex; align-items: center; justify-content: center; padding: 1.5rem; z-index: 1000; opacity: 0; pointer-events: none; transition: opacity var(--transition-normal); }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content { background: var(--bg-surface); border: 1px solid var(--border-accent); border-radius: var(--radius-lg); max-width: 800px; width: 100%; max-height: 90vh; overflow-y: auto; position: relative; box-shadow: 0 28px 70px rgba(0,0,0,0.6), var(--glow-cyan); transform: translateY(22px) scale(0.97); transition: transform var(--transition-normal); }
.modal-overlay.active .modal-content { transform: translateY(0) scale(1); }
.modal-close-btn { position: absolute; top: 1.25rem; right: 1.25rem; width: 36px; height: 36px; border-radius: 50%; background: rgba(8,145,178,0.10); color: var(--text-muted); display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 10; border: 1px solid var(--border-subtle); transition: var(--transition-fast); }
.modal-close-btn:hover { background: rgba(8,145,178,0.20); color: var(--text-main); transform: rotate(90deg); }
.modal-image { width: 100%; height: 300px; object-fit: cover; border-bottom: 1px solid var(--border-subtle); }
.modal-body { padding: 2.25rem; }
.modal-category { font-size: 0.8rem; font-weight: 700; color: var(--text-cyan); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.5rem; }
.modal-title { font-size: 1.75rem; font-weight: 800; color: var(--text-main); margin-bottom: 1rem; }
.modal-desc { color: var(--text-muted); font-size: 1rem; line-height: 1.7; margin-bottom: 1.5rem; }
.modal-specs { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.25rem; padding: 1.25rem; background: rgba(8,145,178,0.05); border-radius: var(--radius-md); margin-bottom: 2rem; border: 1px solid var(--border-subtle); }
[data-theme="dark"] .modal-specs { background: rgba(0,0,0,0.28); }
.modal-spec-item h6 { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.25rem; }
.modal-spec-item p { font-size: 0.925rem; font-weight: 600; color: var(--text-main); margin-bottom: 0; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { max-width: 550px; margin-left: auto; margin-right: auto; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .services-grid, .portfolio-grid { grid-template-columns: repeat(2,1fr); }
  .tech-grid { grid-template-columns: repeat(2,1fr); }
  .process-timeline { grid-template-columns: 1fr; gap: 2rem; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-menu { position: fixed; top: var(--nav-height); left: 0; right: 0; background: var(--bg-nav); backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px); border-bottom: 1px solid var(--border-subtle); flex-direction: column; padding: 2rem 1.5rem; gap: 1.25rem; transform: translateY(-150%); opacity: 0; pointer-events: none; transition: all var(--transition-normal); box-shadow: var(--shadow-lg); }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-actions .btn { display: none; }
  .hero-stats { grid-template-columns: 1fr; gap: 1rem; text-align: center; }
  .services-grid, .portfolio-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .vision-mission-grid { grid-template-columns: 1fr; }
  .modal-specs { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}