/* ============================================================
   Enlil Technologies — styles.css
   ============================================================ */

:root {
  --navy-900: #07162b;
  --navy-800: #0b1f3a;
  --navy-700: #102a4c;
  --sky: #38bdf8;
  --sky-strong: #0ea5e9;
  --teal: #2dd4bf;
  --ink: #0f1a2b;
  --slate: #4a5a72;
  --muted: #6b7a90;
  --line: #e4e9f0;
  --bg: #ffffff;
  --bg-alt: #f5f8fc;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 40px -20px rgba(11, 31, 58, 0.35);
  --shadow-sm: 0 6px 20px -12px rgba(11, 31, 58, 0.4);
  --maxw: 1140px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand-text { font-family: "Sora", system-ui, sans-serif; }

h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5em; color: var(--navy-800); letter-spacing: -0.02em; }

p { margin: 0 0 1em; }

a { color: var(--sky-strong); text-decoration: none; }

img, svg { max-width: 100%; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--sky-strong), var(--teal));
  color: #042235;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(14, 165, 233, 0.6); }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, 0.35); color: var(--white); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }
.btn-full { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy-800); font-weight: 700; }
.brand-mark { width: 30px; height: 30px; color: var(--sky-strong); }
.brand-text { font-size: 1.18rem; font-weight: 700; letter-spacing: -0.02em; }
.brand-accent { color: var(--sky-strong); }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { color: var(--slate); font-weight: 500; font-size: 0.97rem; transition: color 0.2s; }
.main-nav a:hover { color: var(--navy-800); }
.main-nav .nav-cta {
  background: var(--navy-800);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 999px;
}
.main-nav .nav-cta:hover { background: var(--navy-700); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: 0.25s var(--ease); }
.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); }

/* ---------- Hero ---------- */
.hero { position: relative; color: var(--white); overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 500px at 80% -10%, rgba(45, 212, 191, 0.25), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(56, 189, 248, 0.28), transparent 55%),
    linear-gradient(160deg, var(--navy-900), var(--navy-700));
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(700px 400px at 70% 30%, #000, transparent 75%);
}
.hero-inner { position: relative; padding: 96px 24px 104px; max-width: 820px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sky);
  margin: 0 0 16px;
}
.hero h1 { color: var(--white); font-size: clamp(2.2rem, 5.2vw, 3.6rem); font-weight: 800; margin-bottom: 0.4em; }
.hero-lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: #cdd9ec; max-width: 640px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero-trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding: 0;
  margin: 0;
  color: #aebccf;
  font-size: 0.95rem;
}
.hero-trust strong { color: var(--white); }
.hero-trust li { position: relative; padding-left: 22px; }
.hero-trust li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.2);
}

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
.section-sub { color: var(--muted); font-size: 1.08rem; margin: 0; }
.section-head .eyebrow { color: var(--sky-strong); }

/* ---------- Service cards ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(45, 212, 191, 0.12));
  margin-bottom: 20px;
}
.card-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--sky-strong); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.3rem; }
.card > p { color: var(--slate); }
.card-list { list-style: none; padding: 0; margin: 18px 0 0; }
.card-list li { position: relative; padding-left: 26px; margin-bottom: 9px; color: var(--slate); font-size: 0.95rem; }
.card-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--teal);
  font-weight: 700;
}

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.about-copy h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.about-copy p { color: var(--slate); font-size: 1.05rem; }
.about-copy .btn { margin-top: 12px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
}
.stat-num { display: block; font-family: "Sora", sans-serif; font-size: 1.7rem; font-weight: 700; color: var(--navy-800); }
.stat-label { color: var(--muted); font-size: 0.92rem; }

/* ---------- Features / Why ---------- */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.feature { padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); }
.feature-icon { color: var(--sky-strong); font-size: 1.1rem; margin-bottom: 10px; }
.feature h3 { font-size: 1.18rem; }
.feature p { color: var(--slate); margin: 0; }

/* ---------- Process ---------- */
.process { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 28px 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.step-num { font-family: "Sora", sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--sky); opacity: 0.6; }
.step h3 { font-size: 1.15rem; margin-top: 8px; }
.step p { color: var(--slate); margin: 0; font-size: 0.95rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.contact-copy h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.contact-copy p { color: var(--slate); font-size: 1.05rem; }
.contact-details { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.contact-details li { display: grid; gap: 2px; }
.contact-label { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; font-weight: 600; color: var(--muted); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: 0.9rem; color: var(--navy-800); }
.optional { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea {
  font-family: inherit;
  font-size: 0.98rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfcfe;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--sky-strong);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}
.field textarea { resize: vertical; }
.form-status { margin: 0; font-size: 0.92rem; font-weight: 500; min-height: 1.2em; }
.form-status.ok { color: #0f9d58; }
.form-status.err { color: #d23f31; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #aebccf; padding: 56px 0 28px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; padding-bottom: 28px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer-brand .brand-text { color: var(--white); font-size: 1.2rem; }
.footer-brand p { max-width: 320px; margin-top: 10px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; }
.footer-nav a { color: #aebccf; font-weight: 500; }
.footer-nav a:hover { color: var(--white); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding-top: 22px; font-size: 0.88rem; }
.footer-bottom p { margin: 0; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cards, .features { grid-template-columns: 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .process { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--white);
    padding: 16px 24px 22px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: 0.25s var(--ease);
  }
  .main-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 12px 4px; border-bottom: 1px solid var(--bg-alt); }
  .main-nav .nav-cta { text-align: center; margin-top: 8px; }
  .section { padding: 64px 0; }
  .hero-inner { padding: 70px 24px 76px; }
}

@media (max-width: 480px) {
  .process, .stats { grid-template-columns: 1fr; }
  .hero-trust { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
}