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

:root {
  --bg:        #0d0d0f;
  --bg2:       #13131a;
  --bg3:       #1a1a26;
  --border:    #2a2a3a;
  --accent:    #7c6eff;
  --accent2:   #a78bfa;
  --green:     #34d399;
  --yellow:    #fbbf24;
  --red:       #f87171;
  --text:      #e2e2f0;
  --text-muted:#8888aa;
  --radius:    12px;
  --font:      'Segoe UI', system-ui, sans-serif;
  --mono:      'Fira Code', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
code {
  font-family: var(--mono);
  background: var(--bg3);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.88em;
  color: var(--accent2);
}
pre {
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.7;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13,13,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  /* Safe area — Dynamic Island / notch iPhone */
  padding-top: env(safe-area-inset-top);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { font-size: 1.4rem; font-weight: 800; letter-spacing: -1px; color: var(--accent2); }
.nav-links { list-style: none; display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--text-muted); font-size: 0.95rem; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.btn-nav {
  background: var(--accent);
  color: #fff !important;
  padding: 7px 18px;
  border-radius: 8px;
  font-weight: 600;
  transition: background .2s, transform .15s;
}
.btn-nav:hover { background: var(--accent2); transform: translateY(-1px); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding: 120px 24px 80px;
  padding-top: calc(120px + env(safe-area-inset-top));
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.badge {
  display: inline-block;
  background: rgba(124,110,255,.15);
  border: 1px solid rgba(124,110,255,.3);
  color: var(--accent2);
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub { color: var(--text-muted); font-size: 1.05rem; max-width: 480px; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 13px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 24px rgba(124,110,255,.35);
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(124,110,255,.45); }
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }
.hero-stats { display: flex; gap: 0; align-items: center; }
.stat { display: flex; flex-direction: column; padding: 0 20px; }
.stat:first-child { padding-left: 0; }
.stat span { font-size: 1.1rem; font-weight: 800; color: var(--accent2); }
.stat small { font-size: 0.75rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 32px; background: var(--border); }

/* VERSION TAG */
.version-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,.25);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 0.8rem;
  margin-bottom: 24px;
  font-family: var(--mono);
  color: var(--text-muted);
}
.version-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  flex-shrink: 0;
}
.version-out { color: var(--green); font-weight: 600; }
.version-tag code { background: transparent; color: var(--accent2); padding: 0; font-size: 0.8rem; }

/* CODE WINDOW */
.hero-code { position: relative; }
.code-window {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.code-bar {
  background: var(--bg3);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green  { background: #28c840; }
.code-title { margin-left: 8px; font-size: 0.82rem; color: var(--text-muted); font-family: var(--mono); }
.code-body { padding: 20px 24px; }
.code-output {
  background: rgba(0,0,0,.3);
  border-top: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.out-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.code-output span { font-family: var(--mono); font-size: 0.85rem; color: var(--green); }

/* SYNTAX COLORS */
.c-keyword { color: #c084fc; font-weight: 600; }
.c-string   { color: #86efac; }
.c-num      { color: #fb923c; }
.c-err      { color: var(--red); }

/* ===== SECTION COMMON ===== */
.section-title {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-sub { text-align: center; color: var(--text-muted); margin-bottom: 48px; font-size: 1.05rem; }

/* ===== FITUR ===== */
.fitur { padding: 100px 0; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.fitur-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.fitur-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.fitur-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.fitur-icon { font-size: 2rem; margin-bottom: 14px; }
.fitur-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.fitur-card p  { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }

/* ===== SINTAKS ===== */
.sintaks { padding: 100px 0; }
.sintaks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.sintaks-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.sintaks-card h4 {
  padding: 12px 18px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}
.sintaks-card pre { padding: 18px; }
.error-pre { line-height: 1.6; }

/* ===== MULAI ===== */
.mulai { padding: 100px 0; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.step {
  flex: 1; min-width: 220px; max-width: 280px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}
.step-num {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p  { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 16px; }
.step-arrow { font-size: 1.5rem; color: var(--text-muted); }
.terminal {
  background: #000;
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 0.82rem;
  text-align: left;
  color: var(--green);
}
.prompt { color: var(--accent2); margin-right: 8px; }

/* ===== DOWNLOAD ===== */
.download {
  padding: 100px 0;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(124,110,255,.12) 0%, transparent 70%);
}
.download h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 12px; }
.download > .container > p { color: var(--text-muted); margin-bottom: 48px; font-size: 1.05rem; }
.download-cards {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.dl-card {
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 280px;
  transition: transform .2s, border-color .2s;
}
.dl-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.dl-card.featured { border-color: var(--accent); background: rgba(124,110,255,.08); }
.dl-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.dl-icon { 
  font-size: 2.4rem; 
  margin-bottom: 12px; 
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dl-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.dl-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.dl-card p  { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 20px; }

.dl-btns {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.btn-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-download.primary {
  background: var(--accent);
  color: #fff;
}
.btn-download.primary:hover { 
  background: var(--accent2); 
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124,110,255,.3);
}

.btn-download.secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-download.secondary:hover { 
  border-color: var(--accent); 
  color: var(--text);
  background: rgba(124,110,255,.1);
}

.btn-icon {
  font-size: 0.9rem;
  opacity: 0.9;
}

.btn-text {
  font-weight: 600;
}

.dl-install {
  background: rgba(0,0,0,.2);
  border-radius: 6px;
  padding: 12px;
  font-size: 0.8rem;
}
.dl-install span {
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
  font-size: 0.75rem;
}
.dl-install code {
  font-size: 0.75rem;
  background: transparent;
  color: var(--accent2);
  padding: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-inner {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.footer-brand { flex: 2; min-width: 200px; }
.footer-brand .logo { font-size: 1.3rem; margin-bottom: 10px; }
.footer-brand p { color: var(--text-muted); font-size: 0.88rem; max-width: 240px; }
.footer-links { flex: 1; min-width: 120px; display: flex; flex-direction: column; gap: 10px; }
.footer-links h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 4px; }
.footer-links a { color: var(--text-muted); font-size: 0.88rem; transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== HAMBURGER MENU ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 8px;
  transition: background .2s;
}
.hamburger:hover { background: rgba(255,255,255,.06); }
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: calc(60px + env(safe-area-inset-top));
  left: 0; right: 0;
  background: rgba(13,13,15,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform .25s ease, opacity .25s ease;
}
.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.mobile-nav ul {
  list-style: none;
  padding: 16px 0;
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
}
.mobile-nav ul li a {
  display: block;
  padding: 14px 24px;
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color .2s, background .2s;
  border-left: 2px solid transparent;
}
.mobile-nav ul li a:hover, .mobile-nav ul li a.active {
  color: var(--text);
  background: rgba(124,110,255,.07);
  border-left-color: var(--accent2);
}
.mobile-nav ul li a.btn-nav-mobile {
  margin: 8px 20px 0;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  text-align: center;
  padding: 13px 24px;
  border-left: none;
  font-weight: 700;
}
.mobile-nav ul li a.btn-nav-mobile:hover { background: var(--accent2); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  /* Navbar */
  .hamburger { display: flex; }
  .mobile-nav { display: block; }
  .nav-links { display: none; }

  /* Hero */
  .hero {
    grid-template-columns: 1fr;
    padding: 90px 20px 60px;
    gap: 36px;
    min-height: unset;
  }
  .hero-inner { order: 2; }
  .hero-code  { order: 1; }
  .hero h1 { font-size: clamp(1.9rem, 7vw, 2.6rem); }
  .hero-sub { font-size: 0.95rem; }
  .badge { font-size: 0.72rem; padding: 5px 12px; }
  .hero-btns { gap: 10px; }
  .btn-primary, .btn-ghost { padding: 12px 22px; font-size: 0.9rem; }
  .hero-stats { gap: 0; flex-wrap: wrap; }
  .stat { padding: 0 14px; }

  /* Code window — prevent horizontal overflow */
  .code-window { overflow-x: auto; }
  .code-body  { padding: 16px 18px; font-size: 0.8rem; }

  /* Sections */
  .fitur, .sintaks, .mulai { padding: 70px 0; }
  .section-sub { font-size: 0.95rem; margin-bottom: 36px; }
  .fitur-grid { grid-template-columns: 1fr; gap: 16px; }
  .sintaks-grid { grid-template-columns: 1fr; gap: 14px; }

  /* Steps */
  .steps { flex-direction: column; align-items: stretch; gap: 0; }
  .step { max-width: 100%; }
  .step-arrow { transform: rotate(90deg); text-align: center; display: block; padding: 8px 0; }

  /* Download */
  .download { padding: 70px 0; }
  .download-cards { flex-direction: column; align-items: center; }
  .dl-card { width: 100%; max-width: 400px; }
  .btn-download { padding: 14px 16px; font-size: 0.9rem; }

  /* Footer */
  .footer-inner { gap: 36px; }
  .footer-brand { flex: unset; width: 100%; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .nav-inner  { padding: 0 16px; }
  .hero { padding: 88px 16px 52px; }

  .dl-card { padding: 24px 18px; max-width: 100%; }
  .dl-install code { font-size: 0.68rem; word-break: break-all; }

  .fitur-card { padding: 22px 20px; }
  .sintaks-card pre { padding: 14px 16px; font-size: 0.8rem; }

  .hero-stats { gap: 0; }
  .stat { padding: 0 10px; }
  .stat span { font-size: 0.95rem; }
  .stat small { font-size: 0.7rem; }
  .stat-divider { height: 26px; }
}

.dl-gatekeeper {
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--yellow);
}
.dl-gatekeeper a { color: var(--yellow); text-decoration: underline; opacity: 0.85; }
.dl-gatekeeper a:hover { opacity: 1; }