:root {
  --navy-900: #0b1530;
  --navy-800: #111e42;
  --navy-700: #1a2a57;
  --ink: #14182b;
  --muted: #5a6178;
  --line: #e3e6ef;
  --bg: #ffffff;
  --bg-alt: #f5f7fb;
  --accent: #2f7cf6;
  --accent-2: #19c3b2;
  --radius: 14px;
  --container: 1160px;
  --shadow: 0 10px 30px rgba(11, 21, 48, .08);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.eyebrow {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .9em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .85em 1.5em;
  border-radius: 10px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; background: #1f6ae6; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(47, 124, 246, .3); }
.btn:disabled { opacity: .6; cursor: progress; transform: none; box-shadow: none; }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, .3); }
.btn-ghost:hover { background: rgba(255, 255, 255, .08); box-shadow: none; }
.btn-small { padding: .55em 1.1em; font-size: .9rem; }
.btn-full { width: 100%; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: #fff;
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled { background: rgba(11, 21, 48, .92); backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(255, 255, 255, .06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.logo { display: inline-flex; align-items: center; gap: .6em; color: #fff; font-weight: 700; font-size: 1.25rem; letter-spacing: -.01em; }
.logo:hover { text-decoration: none; }
.logo-mark { width: 36px; height: 36px; color: #fff; }
.logo-text { display: inline-flex; align-items: center; letter-spacing: .08em; }
.logo-suffix {
  margin-left: .7em;
  padding-left: .7em;
  border-left: 1px solid rgba(255, 255, 255, .3);
  font-size: .6em;
  font-weight: 500;
  letter-spacing: .2em;
  line-height: 1.6;
  color: rgba(255, 255, 255, .65);
}

.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav a:not(.btn) { color: rgba(255, 255, 255, .8); font-size: .95rem; font-weight: 500; }
.site-nav a:not(.btn):hover { color: #fff; text-decoration: none; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; margin: 5px 0; background: #fff; border-radius: 2px; transition: transform .2s, opacity .2s; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy-900);
  color: #fff;
  padding: 180px 0 120px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 400px at 85% 20%, rgba(47, 124, 246, .35), transparent 70%),
    radial-gradient(500px 360px at 70% 90%, rgba(25, 195, 178, .22), transparent 70%),
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px) 0 0 / 48px 48px;
  mask-image: linear-gradient(to bottom, #000 70%, transparent);
}
.hero-inner { position: relative; max-width: 820px; margin-left: max(0px, calc((100% - var(--container)) / 2)); }
.hero .eyebrow { color: var(--accent-2); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: rgba(255, 255, 255, .78); max-width: 640px; margin-bottom: 2em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 28px; list-style: none; padding: 0; margin: 48px 0 0; color: rgba(255, 255, 255, .7); font-size: .95rem; }
.hero-points li::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); margin-right: 10px; vertical-align: middle; }

/* Sections */
.section { padding: 110px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin-bottom: 56px; }
.section-sub { color: var(--muted); font-size: 1.08rem; }

/* Services */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card p { color: var(--muted); margin: 0; font-size: .97rem; }
.card-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(47, 124, 246, .12), rgba(25, 195, 178, .12));
  margin-bottom: 22px;
}
.card-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: none; }
.step { position: relative; padding: 28px 24px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); }
.step p { color: var(--muted); margin: 0; font-size: .95rem; }
.step-num { display: block; font-size: 2.2rem; font-weight: 700; letter-spacing: -.03em; margin-bottom: 14px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Why */
.why { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.why-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.why-list li { padding: 24px; border-radius: var(--radius); background: var(--bg-alt); border-left: 3px solid var(--accent); }
.why-list p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Contact */
.section-dark { background: var(--navy-900); color: #fff; }
.section-dark .eyebrow { color: var(--accent-2); }
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.contact-info > p { color: rgba(255, 255, 255, .75); font-size: 1.08rem; }
.contact-details { margin: 36px 0 0; display: grid; gap: 20px; }
.contact-details dt { font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: rgba(255, 255, 255, .5); margin-bottom: 4px; }
.contact-details dd { margin: 0; font-size: 1.1rem; font-weight: 500; }
.contact-details a { color: #fff; }

.contact-form {
  background: var(--navy-800);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 18px;
  padding: 36px;
  display: grid;
  gap: 18px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 6px; font-size: .9rem; color: rgba(255, 255, 255, .75); }
.field input, .field textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: #fff;
  background: var(--navy-700);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 10px;
  padding: .75em .9em;
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47, 124, 246, .25); }
.field input.invalid, .field textarea.invalid { border-color: #f26d6d; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status { margin: 0; min-height: 1.4em; font-size: .95rem; }
.form-status.ok { color: #5ee0b5; }
.form-status.err { color: #ff8f8f; }
.form-note { margin: 0; font-size: .8rem; color: rgba(255, 255, 255, .45); }

/* Footer */
.site-footer { background: #070e22; color: rgba(255, 255, 255, .55); font-size: .9rem; padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer a { color: rgba(255, 255, 255, .75); }
.footer-legal { display: grid; gap: 4px; }
.footer-legal span + span { font-size: .85em; color: rgba(255, 255, 255, .4); }
.contact-details address { font-style: normal; line-height: 1.5; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .why, .contact { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .section { padding: 80px 0; }
  .hero { padding: 140px 0 90px; }

  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 20px;
    background: rgba(11, 21, 48, .98);
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .site-nav .btn { margin-top: 16px; }
  .site-header:has(.site-nav.open) { background: rgba(11, 21, 48, .98); }
  .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); }

  .cards, .steps, .why-list, .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}

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