/*
  Kodedbit Studio — Dark Modern Theme
  Author: Cascade
*/

:root {
  --bg: #0a0e16;
  --bg-elev: #0f1724;
  --surface: #111827;
  --surface-glass: rgba(17, 24, 39, 0.8);
  --text: #f8fafc;
  --text-secondary: #e2e8f0;
  --muted: #94a3b8;
  --muted-light: #cbd5e1;
  --line: rgba(148, 163, 184, 0.15);
  --line-strong: rgba(148, 163, 184, 0.3);

  --indigo: #4f46e5;
  --indigo-light: #6366f1;
  --fuchsia: #a855f7;
  --fuchsia-light: #c084fc;
  --cyan: #06b6d4;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;

  --radius: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --radius-full: 9999px;
  --container: 1200px;
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 10px 25px -3px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(79, 70, 229, 0.3);
  --shadow-glow-purple: 0 0 40px rgba(168, 85, 247, 0.25);

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset / Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji';
  color: var(--text);
  background: 
    radial-gradient(1400px 800px at 20% -15%, rgba(79, 70, 229, 0.12), transparent 65%),
    radial-gradient(1000px 700px at 80% -25%, rgba(168, 85, 247, 0.15), transparent 65%),
    radial-gradient(800px 600px at 50% 100%, rgba(6, 182, 212, 0.08), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, #080c14 100%);
  background-attachment: fixed;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: #c7d2fe; text-decoration: none; }
a:hover { color: #e9d5ff; }

h1, h2, h3 { line-height: 1.15; margin: 0 0 16px; }
h1 { 
  font-size: clamp(40px, 4.5vw, 64px); 
  font-weight: 800; 
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h2 { 
  font-size: clamp(28px, 3.5vw, 42px); 
  font-weight: 700; 
  letter-spacing: -0.02em;
  color: var(--text);
}
h3 { 
  font-size: clamp(20px, 2.2vw, 26px); 
  font-weight: 600; 
  letter-spacing: -0.01em;
  color: var(--text-secondary);
}
p { 
  margin: 0 0 18px; 
  color: var(--muted); 
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.75;
}

.container { width: min(100%, var(--container)); margin-inline: auto; padding: 0 20px; }
.grid { display: grid; gap: 28px; }

.section { padding: 96px 0; position: relative; content-visibility: auto; contain-intrinsic-size: 1px 700px; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 36px; }
.section-header p { color: var(--muted); }

.grad { background: linear-gradient(135deg, var(--indigo), var(--fuchsia)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(10, 14, 22, 0.85);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-normal);
  will-change: backdrop-filter, background-color;
}
.site-header.scrolled { background: rgba(10, 14, 22, 0.95); backdrop-filter: saturate(180%) blur(25px); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 700; letter-spacing: -0.01em; }
.brand.small .brand-logo { width: 22px; height: 22px; }
.brand-logo { width: 64px; height: 64px; filter: drop-shadow(0 10px 24px rgba(79, 70, 229, 0.55)); }
.brand-text { font-size: 18px; }

.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { 
  color: var(--muted); 
  padding: 10px 14px; 
  border-radius: var(--radius-xs); 
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
}
.nav-links a:hover { 
  color: var(--text); 
  background: rgba(148,163,184,0.12);
  transform: translateY(-1px);
}

/* Language toggle */
.lang-toggle { display: inline-flex; align-items: center; gap: 8px; background: rgba(148,163,184,0.08); color: var(--text); border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; cursor: pointer; font-weight: 600; }
.lang-toggle:hover { background: rgba(148,163,184,0.12); }
.lang-toggle .flag { font-size: 18px; line-height: 1; filter: drop-shadow(0 4px 10px rgba(79,70,229,.35)); }
.lang-toggle .lang-code { font-size: 12px; color: var(--muted); }

.nav-toggle { display: none; background: transparent; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #c7d2fe; margin: 5px 0; transition: transform .3s ease, opacity .3s ease; border-radius: 2px; transform-origin: 50% 50%; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-links.open { display: flex; }

/* Hero */
.hero { padding-top: 140px; position: relative; }
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(600px 400px at 50% 20%, rgba(79, 70, 229, 0.1), transparent 70%);
  pointer-events: none;
}
.hero-grid { grid-template-columns: 1.2fr 1fr; align-items: center; gap: 40px; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy p { 
  font-size: clamp(17px, 1.6vw, 20px); 
  color: var(--muted-light);
  margin-bottom: 24px;
}
.hero-actions { display: flex; gap: 16px; margin: 28px 0 16px; flex-wrap: wrap; }
.badges { 
  display: flex; 
  gap: 12px; 
  list-style: none; 
  padding: 0; 
  margin: 32px 0 0; 
  flex-wrap: wrap; 
}
.badges li { 
  font-size: 13px; 
  font-weight: 500;
  color: var(--muted-light); 
  background: rgba(148,163,184,0.08); 
  border: 1px solid var(--line); 
  padding: 10px 14px; 
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}
.badges li:hover {
  background: rgba(148,163,184,0.12);
  transform: translateY(-2px);
}

.logo-orb { position: relative; width: min(420px, 90%); aspect-ratio: 1/1; margin: 0 auto; border-radius: 50%; display: grid; place-items: center; will-change: transform; transform: translate3d(0,0,0);
  background: radial-gradient(60% 60% at 50% 45%, rgba(79,70,229,.35), transparent 60%),
              radial-gradient(40% 40% at 30% 70%, rgba(168,85,247,.35), transparent 60%),
              radial-gradient(50% 50% at 70% 30%, rgba(6,182,212,.20), transparent 60%),
              linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
  box-shadow: inset 0 0 60px rgba(99,102,241,.12), var(--shadow-lg);
  border: 1px solid rgba(99, 102, 241, 0.18);
}
.logo-orb img { width: 64%; filter: drop-shadow(0 22px 45px rgba(168,85,247,0.35)); }

/* Cards */
.cards { grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { 
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0.01)); 
  border: 1px solid var(--line); 
  border-radius: var(--radius); 
  padding: 28px 24px; 
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,.4), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.card:hover { 
  transform: translateY(-6px); 
  box-shadow: var(--shadow-lg); 
  border-color: rgba(99,102,241,.3);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0.02));
}
.card:hover::before { opacity: 1; }
.card h3 { margin-bottom: 12px; }
.card p { margin-bottom: 16px; color: var(--muted-light); }
.card ul { 
  list-style: none; 
  padding-left: 0; 
  display: grid; 
  gap: 8px; 
  color: var(--muted-light); 
}
.card ul li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
}
.card ul li::before { 
  content: '•'; 
  color: var(--indigo-light); 
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Projects */
.project-grid { grid-template-columns: repeat(3, 1fr); }
.project-card { overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.project-card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,.35); box-shadow: var(--shadow-md); }
.project-thumb { height: 160px; background:
  radial-gradient(500px 140px at -10% -30%, rgba(79, 70, 229, .35), transparent 60%),
  radial-gradient(400px 120px at 120% 20%, rgba(168, 85, 247, .35), transparent 60%),
  linear-gradient(180deg, #0d1320, #0b0f17);
  border-bottom: 1px solid var(--line);
}
.project-body { padding: 18px; }
.project-meta { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.tag { font-size: 12px; color: #dbeafe; background: rgba(99,102,241,.16); border: 1px solid rgba(99,102,241,.35); padding: 6px 8px; border-radius: 999px; }

/* About */
.about-grid { grid-template-columns: 1.2fr 1fr; align-items: start; }
.checklist { list-style: none; padding-left: 0; display: grid; gap: 10px; }
.checklist li { position: relative; padding-left: 26px; }
.checklist li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--success); }
.stack { display: flex; gap: 10px; flex-wrap: wrap; }
.stack span { font-size: 12px; background: rgba(148,163,184,0.08); border: 1px solid var(--line); padding: 8px 10px; border-radius: 999px; color: #cbd5e1; }

/* Contact */
.contact-grid { grid-template-columns: 1fr 1.1fr; align-items: start; }
.contact-form { background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.field { display: grid; gap: 8px; margin-bottom: 14px; }
.field label { color: #cbd5e1; font-weight: 500; }
.field input, .field textarea { width: 100%; background: #0e1524; border: 1px solid rgba(99, 102, 241, 0.18); color: var(--text); border-radius: var(--radius-sm); padding: 12px 14px; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
.field input:focus, .field textarea:focus { border-color: rgba(168,85,247,.45); box-shadow: 0 0 0 3px rgba(168,85,247,.15); }
.form-status { margin-top: 10px; font-size: 14px; color: #a5b4fc; min-height: 20px; }

/* Buttons */
.btn { 
  display: inline-flex; 
  align-items: center; 
  gap: 10px; 
  border-radius: var(--radius-full); 
  padding: 14px 24px; 
  font-weight: 600; 
  font-size: 15px;
  border: 1px solid transparent; 
  cursor: pointer; 
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn:active { transform: translateY(1px); }
.btn-primary { 
  color: white; 
  background: linear-gradient(135deg, var(--indigo), var(--fuchsia)); 
  box-shadow: var(--shadow-glow);
  border: 1px solid rgba(79, 70, 229, 0.3);
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}
.btn-primary:hover { 
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow), 0 20px 40px rgba(79,70,229,.4);
  filter: brightness(1.1);
}
.btn-primary:hover::before { left: 100%; }
.btn-ghost { 
  color: var(--text-secondary); 
  background: rgba(148,163,184,0.08); 
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { 
  background: rgba(148,163,184,0.15);
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

/* Modal (Get a Quote) */
body.modal-open { overflow: hidden; }
.modal { position: fixed; inset: 0; display: grid; place-items: center; z-index: 80; opacity: 0; pointer-events: none; transition: opacity var(--transition-normal); }
.modal.open { opacity: 1; pointer-events: auto; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(2,6,23,0.6); backdrop-filter: blur(6px); }
.modal-dialog { position: relative; width: min(520px, 92vw); background: var(--surface-glass); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 22px; transform: translateY(8px) scale(.98); transition: transform var(--transition-normal), opacity var(--transition-normal); opacity: .98; }
.modal.open .modal-dialog { transform: translateY(0) scale(1); opacity: 1; }
.modal-close { position: absolute; top: 10px; right: 12px; background: transparent; color: var(--muted-light); border: 0; font-size: 28px; line-height: 1; cursor: pointer; }
.modal h3 { margin: 4px 0 6px; }
.modal-sub { color: var(--muted); margin-bottom: 14px; }
.modal-actions { display: grid; grid-template-columns: 1fr; gap: 10px; }
.contact-chip { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: var(--radius); color: #fff; text-decoration: none; border: 1px solid transparent; transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast); }
.contact-chip svg { width: 20px; height: 20px; }
.contact-chip.wa { background: linear-gradient(135deg, #25d366, #128c7e); box-shadow: 0 8px 18px rgba(18,140,126,.35); }
.contact-chip.ig { background: linear-gradient(135deg, #f58529, #dd2a7b 60%, #8134af); box-shadow: 0 8px 18px rgba(221,42,123,.35); }
.contact-chip.tg { background: linear-gradient(135deg, #2aabee, #229ed9); box-shadow: 0 8px 18px rgba(34,158,217,.35); }
.contact-chip:hover { transform: translateY(-2px); filter: brightness(1.05); }

@media (min-width: 560px) {
  .modal-actions { grid-template-columns: 1fr 1fr 1fr; }
}

/* WhatsApp Floating Action Button */
.wa-fab {
  position: fixed;
  right: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 10px 25px rgba(18, 140, 126, 0.45);
  border: 1px solid rgba(255,255,255,0.15);
  z-index: 60;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}
.wa-fab:hover { 
  transform: translateY(-2px); 
  box-shadow: 0 16px 34px rgba(18, 140, 126, 0.55);
  filter: brightness(1.05);
}
.wa-fab:active { transform: translateY(0); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 14px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(12px) scale(0.99); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .project-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .cards { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  
  .hero { padding-top: 100px; }
  .section { padding: 80px 0; }
  .container { padding: 0 16px; }

  /* Compact header on tablets */
  .nav { height: 72px; }
  .brand-logo { width: 48px; height: 48px; }
  .brand-text { font-size: 16px; }

  .nav-toggle { display: block; }
  .nav-links { 
    position: absolute; 
    right: 16px; 
    top: 76px; 
    background: rgba(15, 23, 36, 0.95); 
    backdrop-filter: blur(20px);
    border: 1px solid var(--line); 
    padding: 16px; 
    border-radius: var(--radius); 
    box-shadow: var(--shadow-lg); 
    display: flex; 
    flex-direction: column; 
    align-items: flex-start; 
    gap: 8px;
    min-width: 220px;
    z-index: 70;
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }
  .nav-links.open { opacity: 1; transform: translateY(0) scale(1); visibility: visible; pointer-events: auto; }
  .nav-links a { width: 100%; padding: 12px 16px; }
  .nav-links .btn { margin-top: 8px; }
  .nav-links .lang-toggle { width: 100%; justify-content: center; }
}

@media (max-width: 640px) {
  .project-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .hero { padding-top: 80px; }
  
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  
  .badges { justify-content: center; }
  
  .footer-inner { 
    flex-direction: column; 
    text-align: center; 
    gap: 20px; 
  }
  .footer-links { justify-content: center; }

  /* Compact header on phones */
  .nav { height: 64px; }
  .brand-logo { width: 40px; height: 40px; }
  .brand-text { font-size: 15px; }
  .nav-links { top: 68px; }

  /* Smaller WA button for small screens */
  .wa-fab { right: 14px; bottom: calc(14px + env(safe-area-inset-bottom, 0px)); width: 52px; height: 52px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; }
}