/* ==========================================================================
   Built by Nilo — site styles
   ========================================================================== */

:root {
  --navy-900: #0a1b3f;
  --navy-800: #10275a;
  --blue-700: #1746b8;
  --blue-600: #1d58e0;
  --blue-500: #3b7bff;
  --blue-200: #c9dbff;
  --blue-100: #e3edff;
  --blue-50: #f3f7ff;

  --ink: #0f1d3a;
  --text: #3a4a6b;
  --muted: #6b7a99;
  --line: #dde6f5;
  --white: #ffffff;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(10, 27, 63, 0.06), 0 2px 8px rgba(10, 27, 63, 0.05);
  --shadow-md: 0 8px 30px rgba(23, 70, 184, 0.12);
  --shadow-lg: 0 24px 60px rgba(10, 27, 63, 0.18);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --maxw: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--blue-600); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue-700); }

h1, h2, h3 { color: var(--ink); line-height: 1.15; margin: 0 0 0.6em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.75rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0 0 1.1em; }

:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 3px;
  border-radius: 6px;
}

.container { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--navy-900); color: #fff; padding: 10px 16px; border-radius: 8px;
  text-decoration: none; transition: top 0.15s;
}
.skip-link:focus { top: 12px; color: #fff; }

/* ---------- Wordmark ---------- */
.logo {
  display: inline-flex; align-items: baseline; gap: 0.3em;
  font-family: var(--font); text-decoration: none; color: var(--ink);
  font-size: 1.55rem; line-height: 1; letter-spacing: -0.035em;
  white-space: nowrap;
}
.logo:hover { color: var(--ink); }
.logo .logo-built { font-weight: 300; }
.logo .logo-by { font-weight: 300; color: var(--muted); font-size: 0.72em; letter-spacing: -0.01em; }
.logo .logo-nilo { font-weight: 800; color: var(--blue-600); }
.logo--light { color: #fff; }
.logo--light:hover { color: #fff; }
.logo--light .logo-by { color: var(--blue-200); }
.logo--light .logo-nilo { color: #8db4ff; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }

.nav-list { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-list a {
  display: block; padding: 8px 14px; border-radius: 999px;
  color: var(--text); font-weight: 550; font-size: 0.98rem; text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.nav-list a:hover { background: var(--blue-50); color: var(--blue-700); }
.nav-list a[aria-current="page"] { color: var(--blue-700); background: var(--blue-100); }
.nav-list a.nav-cta { background: var(--blue-600); color: #fff; margin-left: 6px; }
.nav-list a.nav-cta:hover { background: var(--blue-700); color: #fff; }
.nav-list a.nav-cta[aria-current="page"] { background: var(--navy-900); color: #fff; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  background: #fff; border-radius: 10px; cursor: pointer; padding: 0; color: var(--ink);
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  font: inherit; font-weight: 650; font-size: 1rem; line-height: 1.2;
  text-decoration: none; cursor: pointer;
  transition: transform 0.15s, background 0.15s, box-shadow 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue-600); color: #fff; box-shadow: 0 6px 18px rgba(29, 88, 224, 0.32); }
.btn-primary:hover { background: var(--blue-700); color: #fff; }
.btn-ghost { background: transparent; color: var(--blue-700); border-color: var(--blue-200); }
.btn-ghost:hover { background: var(--blue-50); border-color: var(--blue-500); color: var(--blue-700); }
.btn-light { background: #fff; color: var(--blue-700); }
.btn-light:hover { background: var(--blue-50); color: var(--blue-700); }
.btn svg { width: 18px; height: 18px; }

/* ---------- Shared type bits ---------- */
.eyebrow {
  display: inline-block; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--blue-600); margin-bottom: 14px;
}
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--text); max-width: 60ch; }
.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-tint { background: var(--blue-50); }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lead { margin-inline: auto; }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 88% -10%, rgba(59, 123, 255, 0.22), transparent 60%),
    radial-gradient(700px 420px at -5% 110%, rgba(59, 123, 255, 0.12), transparent 60%),
    linear-gradient(180deg, var(--blue-50), #fff 92%);
  padding: clamp(56px, 9vw, 108px) 0 clamp(64px, 9vw, 110px);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
.hero h1 .accent { color: var(--blue-600); }
.hero .lead { margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; list-style: none; margin: 0; padding: 0; color: var(--ink); font-weight: 550; font-size: 0.97rem; }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points svg { width: 18px; height: 18px; color: var(--blue-600); flex: none; }

/* Abstract browser mockup (pure CSS — no imagery) */
.mock { position: relative; }
.mock::before {
  content: ""; position: absolute; inset: 8% -6% -8% 8%; z-index: 0;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  border-radius: var(--radius-lg); opacity: 0.14; transform: rotate(3deg);
}
.mock-window {
  position: relative; z-index: 1; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden;
}
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: var(--blue-50); border-bottom: 1px solid var(--line); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--blue-200); }
.mock-bar span { margin-left: 10px; flex: 1; height: 22px; border-radius: 999px; background: #fff; border: 1px solid var(--line); }
.mock-body { padding: 22px; display: grid; gap: 16px; }
.mock-hero { border-radius: 12px; padding: 24px 22px; background: linear-gradient(135deg, var(--navy-800), var(--blue-600)); }
.mock-line { height: 10px; border-radius: 6px; background: rgba(255, 255, 255, 0.85); margin-bottom: 10px; }
.mock-line.w60 { width: 60%; } .mock-line.w80 { width: 80%; } .mock-line.w40 { width: 40%; background: rgba(255, 255, 255, 0.4); }
.mock-btn { width: 96px; height: 28px; border-radius: 999px; background: #fff; margin-top: 16px; }
.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mock-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: #fff; }
.mock-card b { display: block; width: 26px; height: 26px; border-radius: 8px; background: var(--blue-100); margin-bottom: 10px; }
.mock-card u { display: block; height: 7px; border-radius: 4px; background: var(--line); margin-bottom: 6px; text-decoration: none; }
.mock-card u:last-child { width: 65%; margin-bottom: 0; }
.mock-phone {
  position: absolute; z-index: 2; right: -14px; bottom: -34px; width: 104px; padding: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-lg);
}
.mock-phone-screen { border-radius: 11px; background: linear-gradient(160deg, var(--blue-600), var(--navy-800)); padding: 12px 9px; height: 150px; }
.mock-phone-screen .mock-line { height: 6px; margin-bottom: 7px; }
.mock-phone-screen .mock-btn { width: 52px; height: 16px; margin-top: 12px; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.card p { margin: 0; }
.icon-badge {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 20px;
  display: grid; place-items: center; color: var(--blue-600);
  background: linear-gradient(135deg, var(--blue-100), #fff); border: 1px solid var(--blue-200);
}
.icon-badge svg { width: 26px; height: 26px; }

.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 650; text-decoration: none; margin-top: 30px; }
.link-arrow svg { width: 18px; height: 18px; transition: transform 0.15s; }
.link-arrow:hover svg { transform: translateX(3px); }

/* ---------- Approach (home) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.pillars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.pillar { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; box-shadow: var(--shadow-sm); }
.pillar .num { display: block; font-size: 0.8rem; font-weight: 800; letter-spacing: 0.1em; color: var(--blue-500); margin-bottom: 8px; }
.pillar h3 { margin: 0; font-size: 1.05rem; }

/* ---------- Page header (inner pages) ---------- */
.page-hero {
  background:
    radial-gradient(700px 360px at 90% -20%, rgba(59, 123, 255, 0.22), transparent 60%),
    linear-gradient(180deg, var(--blue-50), #fff);
  padding: clamp(52px, 8vw, 92px) 0 clamp(40px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.25rem); max-width: 20ch; }
.page-hero .lead { margin: 0; }

/* ---------- Services ---------- */
.service-card .icon-badge { margin-bottom: 18px; }
.service-card h3 { margin-bottom: 10px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden; color: #dbe6ff; text-align: center;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-700));
  border-radius: var(--radius-lg); padding: clamp(44px, 7vw, 80px) clamp(24px, 6vw, 72px);
}
.cta-band::after {
  content: ""; position: absolute; width: 420px; height: 420px; right: -120px; top: -160px;
  border-radius: 50%; background: radial-gradient(circle, rgba(141, 180, 255, 0.28), transparent 70%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; max-width: 22ch; margin-inline: auto; }
.cta-band p { max-width: 58ch; margin: 0 auto 28px; font-size: 1.1rem; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: clamp(32px, 6vw, 72px); align-items: start; }
.about-copy p { font-size: 1.14rem; }
.about-copy .intro { font-size: 1.3rem; color: var(--ink); font-weight: 550; line-height: 1.5; }
.approach-card {
  position: sticky; top: 100px; background: var(--navy-900); color: #dbe6ff;
  border-radius: var(--radius-lg); padding: 32px 28px; box-shadow: var(--shadow-lg);
}
.approach-card h2 { color: #fff; font-size: 1.3rem; margin-bottom: 20px; }
.approach-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.approach-card li { display: flex; gap: 12px; align-items: center; font-weight: 600; color: #fff; padding: 14px 16px; border-radius: 12px; background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.1); }
.approach-card li svg { width: 20px; height: 20px; color: #8db4ff; flex: none; }
.statement { text-align: center; }
.statement p { margin: 0; font-size: clamp(1.5rem, 3.6vw, 2.5rem); font-weight: 750; letter-spacing: -0.02em; line-height: 1.25; color: var(--ink); }
.statement p span { display: block; }
.statement p .brand { color: var(--blue-600); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.contact-list { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 14px; }
.contact-item { display: flex; gap: 16px; align-items: center; padding: 18px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.contact-item .icon-badge { margin: 0; width: 46px; height: 46px; border-radius: 12px; flex: none; }
.contact-item .icon-badge svg { width: 22px; height: 22px; }
.contact-item small { display: block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.contact-item strong, .contact-item a { color: var(--ink); font-weight: 600; font-size: 1.05rem; text-decoration: none; overflow-wrap: anywhere; }
.contact-item a:hover { color: var(--blue-600); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow-md); }
.form-card h2 { font-size: 1.7rem; margin-bottom: 8px; }
.form-card > p { color: var(--muted); margin-bottom: 26px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 650; color: var(--ink); font-size: 0.95rem; margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--blue-50);
  border: 1.5px solid var(--line); border-radius: 12px; padding: 13px 16px;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.field textarea { min-height: 160px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #93a1bd; }
.field input:hover, .field textarea:hover { border-color: var(--blue-200); }
.field input:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(59, 123, 255, 0.18); }
.field input:user-invalid, .field textarea:user-invalid { border-color: #d64545; }
.form-note { font-size: 0.9rem; color: var(--muted); margin: 14px 0 0; }
.form-status { display: none; margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: var(--blue-100); color: var(--navy-800); font-weight: 550; }
.form-status.show { display: block; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #b7c6e6; padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.site-footer p { margin: 14px 0 0; max-width: 34ch; font-size: 0.97rem; }
.site-footer h3 { color: #fff; font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 0.97rem; }
.site-footer a { color: #b7c6e6; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-bottom { padding-top: 24px; font-size: 0.88rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .split, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .approach-card { position: static; }
  .mock { max-width: 520px; margin-inline: auto; width: 100%; }
  .mock-phone { right: 4px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav-list {
    position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch;
    gap: 4px; padding: 14px 20px 20px; background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 30px rgba(10, 27, 63, 0.1); display: none;
  }
  .nav-list.open { display: flex; }
  .nav-list a { padding: 13px 16px; border-radius: 12px; }
  .nav-list a.nav-cta { margin: 6px 0 0; text-align: center; }
}

@media (max-width: 620px) {
  body { font-size: 1rem; }
  .grid-3, .pillars, .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 100%; }
  .logo { font-size: 1.35rem; }
  .mock-phone { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .btn:hover, .card:hover { transform: none; }
}