/* ===== Impian Asia — Landing Page ===== */
:root {
  --bg: #0b1020;
  --bg-soft: #11182e;
  --surface: #151d36;
  --card: #1a2440;
  --text: #e8ecf6;
  --muted: #9aa6c4;
  --brand: #4f7cff;
  --brand-2: #22d3ee;
  --accent: #a855f7;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --container: 1140px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

a { color: inherit; text-decoration: none; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff; font-weight: 600; font-size: 0.95rem;
  padding: 12px 22px; border-radius: 999px; border: none; cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 10px 30px -10px rgba(79, 124, 255, 0.6);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(79, 124, 255, 0.7); }
.btn-sm { padding: 9px 18px; font-size: 0.88rem; }
.btn-lg { padding: 15px 30px; font-size: 1.02rem; }
.btn-ghost {
  background: transparent; border: 1px solid var(--border);
  box-shadow: none; color: var(--text);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.05); }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 16, 32, 0.7);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  font-size: 0.85rem; letter-spacing: 0.5px; color: #fff;
}
.brand-name { font-size: 1.15rem; letter-spacing: -0.3px; }
.brand-name span { color: var(--brand-2); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s; }

/* ===== Hero ===== */
.hero { position: relative; padding: 110px 0 90px; text-align: center; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(700px 400px at 50% -10%, rgba(79, 124, 255, 0.35), transparent 70%),
    radial-gradient(500px 320px at 85% 20%, rgba(34, 211, 238, 0.18), transparent 70%),
    radial-gradient(500px 320px at 15% 30%, rgba(168, 85, 247, 0.18), transparent 70%);
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; }
.eyebrow {
  display: inline-block; color: var(--brand-2); font-weight: 600;
  font-size: 0.85rem; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); line-height: 1.1; font-weight: 800; letter-spacing: -1.5px; }
.grad { background: linear-gradient(135deg, var(--brand-2), var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: clamp(1rem, 2.4vw, 1.2rem); margin: 22px auto 32px; max-width: 640px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats { list-style: none; display: flex; gap: 48px; justify-content: center; margin-top: 56px; flex-wrap: wrap; }
.hero-stats strong { display: block; font-size: 2rem; font-weight: 800; }
.hero-stats span { color: var(--muted); font-size: 0.9rem; }

/* ===== Trusted ===== */
.trusted { padding: 36px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-soft); }
.trusted p { text-align: center; color: var(--muted); font-size: 0.85rem; margin-bottom: 18px; }
.logos { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; }
.logos span { color: var(--muted); font-weight: 700; font-size: 1.05rem; opacity: 0.6; letter-spacing: 0.5px; }

/* ===== Sections ===== */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 54px; }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -0.8px; line-height: 1.2; }
.section-sub { color: var(--muted); margin-top: 14px; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ===== Cards ===== */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(79, 124, 255, 0.4); box-shadow: var(--shadow); }
.card-icon {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(79, 124, 255, 0.2), rgba(34, 211, 238, 0.18));
  border: 1px solid var(--border); font-size: 1.4rem; margin-bottom: 18px;
}
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* ===== Features ===== */
.features { gap: 28px; }
.feature { padding: 26px; border-left: 2px solid var(--brand); background: rgba(255, 255, 255, 0.02); border-radius: 0 14px 14px 0; }
.feature h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature p { color: var(--muted); }

/* ===== Steps ===== */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.steps li { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; position: relative; }
.step-num { font-size: 2.2rem; font-weight: 800; background: linear-gradient(135deg, var(--brand-2), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.steps h3 { margin: 10px 0 6px; font-size: 1.1rem; }
.steps p { color: var(--muted); font-size: 0.92rem; }

/* ===== About ===== */
.about { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.about-text h2 { margin: 12px 0 18px; }
.about-text p { color: var(--muted); margin-bottom: 16px; }
.about-text .btn { margin-top: 10px; }
.about-card { background: linear-gradient(135deg, rgba(79, 124, 255, 0.12), rgba(168, 85, 247, 0.1)); border: 1px solid var(--border); border-radius: 20px; padding: 38px 34px; }
.about-card blockquote { font-size: 1.25rem; font-weight: 600; line-height: 1.5; }
.about-card cite { display: block; margin-top: 18px; color: var(--muted); font-style: normal; }

/* ===== CTA / Contact ===== */
.cta { background: var(--bg-soft); }
.cta-inner { max-width: 640px; margin: 0 auto; text-align: center; }
.cta-inner h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -0.8px; }
.cta-inner > p { color: var(--muted); margin: 14px 0 30px; }
.contact-form { display: grid; gap: 14px; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; color: var(--text); font-family: inherit; font-size: 0.95rem; resize: vertical;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #6b7796; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.2); }
.contact-form .btn { width: 100%; margin-top: 4px; }
.form-note { text-align: center; font-size: 0.9rem; min-height: 1.2em; color: var(--brand-2); }
.cta-alt { margin-top: 22px; color: var(--muted); font-size: 0.92rem; }
.cta-alt a { color: var(--brand-2); }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--border); padding-top: 50px; background: var(--bg); }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 30px; }
.footer-brand p { color: var(--muted); margin-top: 10px; max-width: 280px; font-size: 0.95rem; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer-links a { color: var(--muted); font-size: 0.95rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding: 22px 24px; text-align: center; }
.footer-bottom p { color: var(--muted); font-size: 0.88rem; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .nav-links { position: fixed; inset: 70px 0 auto 0; flex-direction: column; background: var(--bg-soft); padding: 24px; gap: 18px; border-bottom: 1px solid var(--border); transform: translateY(-150%); transition: transform 0.3s ease; }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 30px; }
  .section { padding: 64px 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}