/* =========================================================
   Headle — stylesheet
   Aesthetic: refined dark "commerce infrastructure"
   Signature: teal→emerald glow (matching the brand badge)
   ========================================================= */

:root {
  /* Brand badge gradient */
  --mint:   #76EAC7;
  --teal:   #2FBFA0;
  --emerald:#0FA991;
  --deep:   #0A7E6E;

  /* Surfaces */
  --bg:        #060B0A;
  --bg-2:      #08110F;
  --surface:   #0C1714;
  --surface-2: #0F1E1A;
  --line:      rgba(118, 234, 199, 0.12);
  --line-soft: rgba(118, 234, 199, 0.07);

  /* Text */
  --ink:    #E9F3EF;
  --ink-2:  #A7C0B7;
  --ink-3:  #6E867E;

  /* Type */
  --display: "Bricolage Grotesque", Georgia, serif;
  --body:    "Hanken Grotesk", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, monospace;

  /* Rhythm */
  --maxw: 1180px;
  --r:    16px;
  --r-sm: 10px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Atmospheric background: layered radial glows + fine grid + grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 78% -5%, rgba(47,191,160,0.16), transparent 60%),
    radial-gradient(50% 40% at 8% 12%, rgba(118,234,199,0.08), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 80%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- Type scale ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: linear-gradient(90deg, var(--teal), transparent);
}

h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.04; letter-spacing: -0.03em; color: #fff; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); }
h3 { font-size: 1.28rem; letter-spacing: -0.02em; }

.lede { font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: var(--ink-2); max-width: 60ch; }

.grad-text {
  background: linear-gradient(115deg, var(--mint), var(--teal) 55%, var(--emerald));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--body); font-weight: 600; font-size: 0.97rem;
  padding: 13px 22px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: all 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(115deg, var(--mint), var(--emerald));
  color: #03110D;
  box-shadow: 0 8px 30px -8px rgba(47,191,160,0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -8px rgba(47,191,160,0.65); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { border-color: var(--teal); color: #fff; background: rgba(47,191,160,0.08); }
.btn svg { width: 16px; height: 16px; }

/* ---------- Header ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(6,11,10,0.62);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
header.scrolled { border-bottom-color: var(--line); background: rgba(6,11,10,0.82); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 34px; height: 34px; filter: drop-shadow(0 0 14px rgba(47,191,160,0.4)); }
.brand .word { font-family: var(--display); font-weight: 700; font-size: 1.4rem; letter-spacing: -0.04em; color: #fff; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a.nlink { font-size: 0.94rem; color: var(--ink-2); transition: color 0.2s; }
.nav-links a.nlink:hover { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 16px; }

/* Language toggle */
.lang {
  display: inline-flex; border: 1px solid var(--line); border-radius: 999px;
  overflow: hidden; font-family: var(--mono); font-size: 12px;
}
.lang button {
  background: transparent; border: none; color: var(--ink-3); cursor: pointer;
  padding: 6px 11px; font-family: inherit; font-size: inherit; letter-spacing: 0.05em;
  transition: all 0.2s;
}
.lang button.active { background: linear-gradient(115deg, var(--mint), var(--emerald)); color: #03110D; font-weight: 700; }

.menu-btn { display: none; background: none; border: none; color: var(--ink); cursor: pointer; }
.menu-btn svg { width: 26px; height: 26px; }

/* ---------- Sections ---------- */
section { position: relative; padding: 96px 0; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head p { margin-top: 18px; }

/* ---------- Hero ---------- */
.hero { padding: 86px 0 70px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 { margin: 22px 0 24px; }
.hero .lede { margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta { margin-top: 30px; display: flex; gap: 28px; flex-wrap: wrap; }
.hero-meta div { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.hero-meta b { display: block; font-family: var(--display); font-size: 1.5rem; color: #fff; letter-spacing: -0.03em; }

/* Architecture visual card */
.arch-card {
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line); border-radius: 20px;
  padding: 26px; position: relative; overflow: hidden;
  box-shadow: 0 40px 90px -30px rgba(0,0,0,0.7);
}
.arch-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(80% 60% at 80% 0%, rgba(47,191,160,0.14), transparent 60%);
  pointer-events: none;
}
.arch-card .tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 18px; display: flex; align-items: center; gap: 8px;
}
.arch-card .tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 10px var(--teal); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ---------- Feature grid ---------- */
.grid { display: grid; gap: 20px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: linear-gradient(165deg, var(--surface), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px 26px; transition: transform 0.3s var(--ease), border-color 0.3s;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: rgba(118,234,199,0.28); }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(47,191,160,0.1); border: 1px solid var(--line); margin-bottom: 20px;
}
.card .ico svg { width: 22px; height: 22px; stroke: var(--mint); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.97rem; color: var(--ink-2); }

/* ---------- Problem / split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel { border: 1px solid var(--line); border-radius: var(--r); padding: 32px; }
.panel.bad { background: rgba(255,90,90,0.03); border-color: rgba(255,120,120,0.16); }
.panel.good { background: rgba(47,191,160,0.05); border-color: rgba(47,191,160,0.25); }
.panel h3 { margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.panel ul { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.panel li { display: flex; gap: 12px; font-size: 0.97rem; color: var(--ink-2); }
.panel li svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; }
.panel.bad li svg { stroke: #ff8585; }
.panel.good li svg { stroke: var(--mint); }

/* ---------- Steps / how it works ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.step { border: 1px solid var(--line); border-radius: var(--r); padding: 26px 22px; background: var(--surface); position: relative; }
.step .num {
  font-family: var(--mono); font-size: 12px; color: var(--emerald); letter-spacing: 0.1em;
  margin-bottom: 14px; display: block;
}
.step h3 { font-size: 1.1rem; margin-bottom: 9px; }
.step p { font-size: 0.92rem; color: var(--ink-2); }

/* ---------- Who it's for ---------- */
.audience { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }

/* ---------- CTA band ---------- */
.cta-band {
  border: 1px solid var(--line); border-radius: 24px;
  background:
    radial-gradient(70% 120% at 50% 0%, rgba(47,191,160,0.16), transparent 60%),
    linear-gradient(160deg, var(--surface-2), var(--surface));
  padding: 64px 48px; text-align: center;
}
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { margin: 0 auto 30px; max-width: 50ch; color: var(--ink-2); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.contact-info .eyebrow { margin-bottom: 18px; }
.contact-info h2 { margin-bottom: 18px; }
.contact-info .lede { margin-bottom: 30px; }
.contact-detail { display: flex; flex-direction: column; gap: 16px; margin-top: 28px; }
.contact-detail a, .contact-detail span { display: flex; align-items: center; gap: 12px; color: var(--ink-2); font-size: 0.96rem; }
.contact-detail svg { width: 18px; height: 18px; stroke: var(--teal); }

form.contact {
  background: linear-gradient(165deg, var(--surface), var(--bg-2));
  border: 1px solid var(--line); border-radius: 20px; padding: 34px;
}
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.85rem; color: var(--ink-2); margin-bottom: 8px; font-weight: 600; }
.field input, .field textarea {
  width: 100%; background: rgba(0,0,0,0.25); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 13px 15px; color: var(--ink);
  font-family: var(--body); font-size: 0.97rem; transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(47,191,160,0.14);
}
.field textarea { resize: vertical; min-height: 130px; }
.field.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.field.row .field { margin: 0; }
/* honeypot */
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-msg { font-size: 0.92rem; margin-bottom: 16px; padding: 12px 14px; border-radius: var(--r-sm); display: none; }
.form-msg.ok { display: block; background: rgba(47,191,160,0.1); border: 1px solid var(--line); color: var(--mint); }
.form-msg.err { display: block; background: rgba(255,90,90,0.08); border: 1px solid rgba(255,120,120,0.25); color: #ff9b9b; }
form.contact .btn-primary { width: 100%; justify-content: center; }
.consent { font-size: 0.8rem; color: var(--ink-3); margin-top: 14px; text-align: center; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line); padding: 56px 0 40px; margin-top: 40px; }
.foot-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; align-items: flex-start; }
.foot-brand { max-width: 320px; }
.foot-brand .brand { margin-bottom: 16px; }
.foot-brand p { font-size: 0.9rem; color: var(--ink-3); }
.foot-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.foot-col h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 16px; }
.foot-col a { display: block; font-size: 0.92rem; color: var(--ink-2); margin-bottom: 11px; transition: color 0.2s; }
.foot-col a:hover { color: #fff; }
.foot-bottom { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 0.82rem; color: var(--ink-3); font-family: var(--mono); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* ---------- Mobile nav ---------- */
.mobile-nav {
  position: fixed; inset: 74px 0 auto 0; z-index: 49;
  background: rgba(6,11,10,0.97); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line); padding: 22px 28px 30px;
  display: none; flex-direction: column; gap: 18px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1.05rem; color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .cols-3, .audience { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  section { padding: 70px 0; }
  .nav-links { display: none; }
  .nav-actions > .btn-primary { display: none; }
  .menu-btn { display: inline-flex; }
  .mobile-nav .btn-primary { margin-top: 4px; justify-content: center; }
  .cols-3, .cols-2, .audience, .split, .steps { grid-template-columns: 1fr; }
  .field.row { grid-template-columns: 1fr; }
  .cta-band { padding: 44px 24px; }
  .wrap { padding: 0 20px; }
  .hero-meta { gap: 22px; }
}

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