/* ===================================================================
   AlphaLoop base stylesheet
   =================================================================== */

@font-face {
  font-family: 'Outfit';
  font-weight: 500 800;
  font-style: normal;
  font-display: swap;
  src: url('../assets/fonts/outfit.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
  src: url('../assets/fonts/ibm-plex-sans.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('../assets/fonts/ibm-plex-mono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  src: url('../assets/fonts/ibm-plex-mono-500.woff2') format('woff2');
}

:root{
  --ink:#14111f;
  --indigo:#5b31e0;
  --indigo-ring:rgba(91,49,224,.22);
  --orchid:#c63fe0;
  --paper:#faf9fc;
  --surface:#f1eef7;
  --surface-2:#e8e3f3;
  --slate:#58546c;
  --slate-soft:#7b7690;
  --line:#e3deef;
  --text:#1c1830;
  --on-dark:#f3f1fa;
  --gradient:linear-gradient(135deg,var(--indigo) 0%,var(--orchid) 100%);
  --shadow-soft:0 1px 2px rgba(20,17,31,.04), 0 12px 32px -18px rgba(20,17,31,.18);
  --radius:10px;
  --container:1200px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root{
    --ink:#0e0c16;
    --paper:#100d1a;
    --surface:#1a1628;
    --surface-2:#231d35;
    --slate:#b4aecb;
    --slate-soft:#8d87a8;
    --line:#2c2640;
    --text:#efecf9;
    --on-dark:#f3f1fa;
    --shadow-soft:0 1px 2px rgba(0,0,0,.3), 0 12px 32px -18px rgba(0,0,0,.5);
    color-scheme: dark;
  }
}
:root[data-theme="dark"]{
  --ink:#0e0c16;
  --paper:#100d1a;
  --surface:#1a1628;
  --surface-2:#231d35;
  --slate:#b4aecb;
  --slate-soft:#8d87a8;
  --line:#2c2640;
  --text:#efecf9;
  --on-dark:#f3f1fa;
  --shadow-soft:0 1px 2px rgba(0,0,0,.3), 0 12px 32px -18px rgba(0,0,0,.5);
  color-scheme: dark;
}
:root[data-theme="light"]{
  --ink:#14111f;
  --paper:#faf9fc;
  --surface:#f1eef7;
  --surface-2:#e8e3f3;
  --slate:#58546c;
  --slate-soft:#7b7690;
  --line:#e3deef;
  --text:#1c1830;
  --shadow-soft:0 1px 2px rgba(20,17,31,.04), 0 12px 32px -18px rgba(20,17,31,.18);
  color-scheme: light;
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:'IBM Plex Sans', system-ui, sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
::selection{ background:var(--indigo); color:#fff; }
a{ color:inherit; }
img,svg{ display:block; max-width:100%; }
button{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--indigo); outline-offset:3px; border-radius:4px; }

h1,h2,h3,h4{
  font-family:'Outfit', system-ui, sans-serif;
  margin:0;
  color:var(--text);
  text-wrap:balance;
  letter-spacing:-0.01em;
}
p{ margin:0; }

.container{ max-width:var(--container); margin-inline:auto; padding-inline:clamp(20px,4vw,40px); }

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.11em;
  text-transform:uppercase;
  color:var(--indigo);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:14px; height:2px;
  background:var(--gradient);
  display:inline-block;
  border-radius:2px;
}
.eyebrow.center{ justify-content:center; }
.tabular{ font-variant-numeric: tabular-nums; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'IBM Plex Sans', sans-serif;
  font-weight:600; font-size:.95rem;
  padding:13px 24px;
  border-radius:8px;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{
  background:var(--gradient);
  color:#fff;
  box-shadow:0 10px 24px -10px var(--indigo-ring);
}
.btn-primary:hover{ transform:translateY(-1px); box-shadow:0 14px 28px -10px var(--indigo-ring); }
.btn-ghost{ background:transparent; border-color:var(--line); color:var(--text); }
.btn-ghost:hover{ border-color:var(--indigo); color:var(--indigo); }
.btn-white{ background:#fff; color:var(--indigo); }
.btn-white:hover{ transform:translateY(-1px); }
.btn-sm{ padding:10px 18px; font-size:.85rem; }
.btn[disabled]{ opacity:.6; cursor:not-allowed; transform:none !important; }

/* ---------- header ---------- */
header.site{
  position:sticky; top:0; z-index:30;
  background:color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{ position:relative; display:flex; align-items:center; justify-content:space-between; padding-block:8px; gap:16px; }
.logo{ display:flex; align-items:center; flex:none; }
.logo img{ height:clamp(32px, 8vw, 35px); width:auto; display:block; }
.navwrap{ display:flex; align-items:center; gap:44px; }
.navlinks{ display:flex; gap:36px; list-style:none; margin:0; padding:0; }
.navlinks a{
  text-decoration:none; font-size:.95rem; font-weight:500; color:var(--slate);
  position:relative; padding-block:4px;
}
.navlinks a.active{ color:var(--text); }
.navlinks a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px;
  background:var(--gradient); border-radius:2px;
}
.navcta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none; background:none; border:1px solid var(--line); border-radius:8px;
  width:40px; height:40px; align-items:center; justify-content:center; cursor:pointer;
}
.nav-toggle svg{ color:var(--text); }

/* ---------- hero ---------- */
.hero{ padding-block:clamp(56px,9vw,108px) clamp(48px,7vw,88px); }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(32px,6vw,72px); align-items:center; }
.hero h1{ font-size:clamp(2.4rem, 4.4vw, 3.6rem); line-height:1.08; font-weight:700; margin-block:20px 22px; }
.hero h1 em{ font-style:normal; background:var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p.lede{ font-size:1.125rem; color:var(--slate); max-width:46ch; margin-bottom:32px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }

/* hero illustration */
.hero-illo-wrap{
  position:relative; width:100%; max-width:460px; margin-inline:auto;
  aspect-ratio:1/1; display:flex; align-items:center; justify-content:center;
}
.hero-illo-wrap::before{
  content:""; position:absolute; inset:6%; border-radius:50%;
  background:var(--gradient); opacity:.22; filter:blur(50px); z-index:0;
}
.hero-illo{ position:relative; z-index:1; width:100%; height:auto; animation:heroFloat 6s ease-in-out infinite; }
@keyframes heroFloat{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-14px); } }
@media (prefers-reduced-motion:reduce){
  .hero-illo{ animation:none; }
}

/* ---------- section shells ---------- */
section{ padding-block:clamp(56px,8vw,100px); }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head.center{ margin-inline:auto; text-align:center; }
.section-head h2{ font-size:clamp(1.75rem,3vw,2.4rem); margin-block:14px 12px; }
.section-head p{ color:var(--slate); font-size:1.05rem; }
.band{ background:var(--surface); }

/* ---------- services grid ---------- */
.svc-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.svc-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px 24px 26px; position:relative; overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.svc-card::before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background:var(--gradient); transform:scaleX(0); transform-origin:left;
  transition:transform .25s ease;
}
.svc-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-soft); border-color:transparent; }
.svc-card:hover::before{ transform:scaleX(1); }
.svc-icon{
  width:46px; height:46px; border-radius:10px; background:var(--surface);
  display:flex; align-items:center; justify-content:center; color:var(--indigo); margin-bottom:20px;
}
.svc-card h3{ font-size:1.15rem; margin-bottom:10px; }
.svc-card p{ color:var(--slate); font-size:.92rem; margin-bottom:18px; }
.svc-link{ font-size:.85rem; font-weight:600; color:var(--indigo); text-decoration:none; display:inline-flex; gap:6px; align-items:center; }

/* ---------- why us / stats ---------- */
.why-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(32px,6vw,64px); align-items:center; }
.why-list{ display:flex; flex-direction:column; gap:22px; margin-top:28px; }
.why-item{ display:flex; gap:14px; }
.why-item .tick{
  flex:none; width:26px; height:26px; border-radius:7px; background:var(--surface); color:var(--indigo);
  display:flex; align-items:center; justify-content:center; margin-top:2px;
}
.why-item h4{ font-size:1rem; margin-bottom:4px; }
.why-item p{ color:var(--slate); font-size:.92rem; }

.stat-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.stat-grid.cols-4{ grid-template-columns:repeat(4,1fr); }
.stat-cell{ background:var(--paper); padding:32px 28px; }
.stat-num{ font-family:'IBM Plex Mono',monospace; font-weight:500; font-size:2.1rem; color:var(--text); display:block; }
.stat-num .u{ color:var(--orchid); }
.stat-label{ color:var(--slate); font-size:.85rem; margin-top:6px; display:block; }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--gradient); border-radius:20px; padding:clamp(40px,6vw,64px);
  display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; color:#fff;
}
.cta-band h2{ color:#fff; font-size:clamp(1.6rem,3vw,2.1rem); max-width:22ch; }
.cta-band p{ color:rgba(255,255,255,.85); margin-top:10px; max-width:40ch; }
.cta-band .btn-ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.cta-band .btn-ghost:hover{ border-color:#fff; background:rgba(255,255,255,.12); }
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------- footer ---------- */
footer{ background:var(--ink); color:var(--on-dark); padding-block:clamp(48px,7vw,80px) 28px; }
.f-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:48px; border-bottom:1px solid #2a2440; }
.f-brand .logo img{ height:36px; }
.f-brand p{ color:#b9b3d4; font-size:.92rem; margin-block:16px 20px; max-width:32ch; }
.f-col h5{ font-family:'IBM Plex Mono',monospace; font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:#8f88b3; margin-bottom:18px; }
.f-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px; }
.f-col a{ color:#d9d5ec; text-decoration:none; font-size:.92rem; }
.f-col a:hover{ color:#fff; }
.f-contact li{ color:#b9b3d4; font-size:.92rem; }
.social{ display:flex; gap:10px; }
.social a{ width:34px; height:34px; border-radius:8px; border:1px solid #322a4a; display:flex; align-items:center; justify-content:center; color:#d9d5ec; }
.f-bottom{ padding-top:24px; }
.f-bottom p{ color:#8f88b3; font-size:.82rem; }

/* ---------- split rows (services detail, about story) ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,6vw,64px); align-items:center; }
.split.reverse .split-media{ order:2; }
.media-block{
  aspect-ratio:4/3; border-radius:16px; background:var(--surface); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden;
}
.media-block .glyph{ color:var(--indigo); opacity:.9; }
.media-block::after{ content:""; position:absolute; inset:0; background:radial-gradient(circle at 30% 20%, var(--indigo-ring), transparent 60%); }
.feat-list{ display:flex; flex-direction:column; gap:12px; margin-top:20px; }
.feat-list li{ display:flex; gap:10px; align-items:flex-start; list-style:none; font-size:.94rem; color:var(--slate); }
.feat-list li svg{ flex:none; margin-top:2px; color:var(--indigo); }
.svc-detail{ display:flex; flex-direction:column; gap:clamp(56px,8vw,96px); }
.svc-kicker{ display:flex; align-items:center; gap:14px; margin-bottom:16px; }
.svc-kicker .svc-icon{ margin-bottom:0; }

/* ---------- service illustrations ---------- */
.illo{ width:78%; max-width:320px; }

/* services page illustrations */
.svc-illo-wrap{
  position:relative; width:100%; max-width:420px; margin-inline:auto;
  aspect-ratio:1/1; display:flex; align-items:center; justify-content:center;
}
.svc-illo-wrap::before{
  content:""; position:absolute; inset:8%; border-radius:50%;
  background:var(--gradient); opacity:.16; filter:blur(44px); z-index:0;
}
.svc-illo{ position:relative; z-index:1; width:100%; height:auto; animation:svcFloat 6s ease-in-out infinite; }
.split.reverse .svc-illo{ animation-delay:.3s; }
@keyframes svcFloat{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-12px); } }
@media (prefers-reduced-motion:reduce){
  .svc-illo{ animation:none; }
}

/* ---------- contact form ---------- */
.form-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(32px,6vw,64px); align-items:start; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:.85rem; font-weight:600; }
.field input, .field select, .field textarea{
  font-family:inherit; font-size:.95rem; padding:13px 14px; border-radius:8px;
  border:1px solid var(--line); background:var(--paper); color:var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:2px solid var(--indigo); outline-offset:1px; border-color:var(--indigo); }
.field textarea{ resize:vertical; min-height:120px; }
.form-row2{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
form.contact-form{ display:flex; flex-direction:column; gap:18px; }
.form-note{ font-size:.82rem; color:var(--slate-soft); }
.form-status{ font-size:.9rem; padding:12px 14px; border-radius:8px; display:none; }
.form-status.visible{ display:block; }
.form-status.ok{ background:rgba(91,49,224,.08); color:var(--indigo); border:1px solid var(--indigo-ring); }

.info-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:32px; display:flex; flex-direction:column; gap:22px; }
.info-row{ display:flex; gap:14px; }
.info-row .ico{ flex:none; width:38px; height:38px; border-radius:8px; background:var(--paper); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--indigo); }
.info-row h5{ font-family:'Outfit',sans-serif; font-size:.95rem; margin-bottom:2px; font-weight:600; }
.info-row p{ color:var(--slate); font-size:.9rem; }
.map-block{ aspect-ratio:16/9; border-radius:10px; background:var(--paper); border:1px solid var(--line); overflow:hidden; }
.map-block iframe{ display:block; }

/* ---------- page hero (services/about/contact) ---------- */
.page-hero{ padding-block:clamp(44px,7vw,76px) clamp(32px,5vw,56px); }
.page-hero h1{ font-size:clamp(2.1rem,3.6vw,2.9rem); margin-block:16px 14px; }
.page-hero p{ color:var(--slate); font-size:1.05rem; max-width:56ch; }
.breadcrumb{ font-family:'IBM Plex Mono',monospace; font-size:.75rem; color:var(--slate-soft); display:flex; gap:8px; align-items:center; margin-bottom:18px; }
.breadcrumb span{ color:var(--text); }

@media (max-width: 980px){
  .navlinks{
    position:absolute; top:calc(100% + 10px); right:0; z-index:25;
    width:min(260px, calc(100vw - 40px));
    background:var(--paper); border:1px solid var(--line); border-radius:14px;
    flex-direction:column; gap:0; padding:8px; box-shadow:var(--shadow-soft);
    transform:translateY(-12px); opacity:0; pointer-events:none;
    transition:transform .18s ease, opacity .18s ease;
  }
  .navlinks.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  .navlinks li{ width:100%; }
  .navlinks a{ display:block; padding:12px 14px; border-radius:8px; }
  .navlinks a.active::after{ display:none; }
  .navlinks a.active{ background:var(--surface); }
  .nav-toggle{ display:flex; flex:none; }
  .navwrap{ gap:10px; }
  .navcta .btn{ padding:10px 16px; font-size:.85rem; }

  .hero-grid, .why-grid, .split, .form-grid{ grid-template-columns:1fr; }
  .split.reverse .split-media{ order:0; }
  .svc-grid{ grid-template-columns:repeat(2,1fr); }
  .stat-grid, .stat-grid.cols-4{ grid-template-columns:1fr 1fr; }
  .f-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:420px){
  .navcta{ display:none; }
}
@media (max-width:600px){
  .svc-grid{ grid-template-columns:1fr; }
  .stat-grid, .stat-grid.cols-4{ grid-template-columns:1fr; }
  .f-grid{ grid-template-columns:1fr; }
  .form-row2{ grid-template-columns:1fr; }
  .cta-band{ flex-direction:column; align-items:flex-start; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition-duration:0.01ms !important; animation-duration:0.01ms !important; }
}