/* =========================================================
   FILE: assets/css/main.css
   renewt3ch · full clean stylesheet (premium + muted)
   - Dark-only (no light theme toggle)
   - Restores background gradient + depth
   - Reintroduces BLUE token
   - Replaces gradient button with hollow glow button
   - Fixes logo tiles (black logos visible on white tiles)
   ========================================================= */

/* ---------- Variable fonts (relative paths from /assets/css/) ---------- */
/* ---------- Fonts (self-hosted) ---------- */
/* ---------- Fonts (self-hosted, WOFF2) ---------- */
@font-face{
  font-family:"Inter";
  src:url("../fonts/inter/Inter-VariableFont_opsz,wght.woff2") format("woff2");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("../fonts/inter/Inter-Italic-VariableFont_opsz,wght.woff2") format("woff2");
  font-weight:100 900;
  font-style:italic;
  font-display:swap;
}

@font-face{
  font-family:"Poppins";
  src:url("../fonts/poppins/Poppins-Regular.woff2") format("woff2");
  font-weight:400;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Poppins";
  src:url("../fonts/poppins/Poppins-Italic.woff2") format("woff2");
  font-weight:400;
  font-style:italic;
  font-display:swap;
}
@font-face{
  font-family:"Poppins";
  src:url("../fonts/poppins/Poppins-Bold.woff2") format("woff2");
  font-weight:700;
  font-style:normal;
  font-display:swap;
}

@font-face{
  font-family:"Space Grotesk";
  src:url("../fonts/space-grotesk/SpaceGrotesk-VariableFont_wght.woff2") format("woff2");
  font-weight:300 700;
  font-style:normal;
  font-display:swap;
}

/* ---------- Tokens (dark default) ---------- */
:root{
  /* Fonts */
  --font-display:"Poppins","Inter",system-ui,-apple-system,"Segoe UI",Roboto,ui-sans-serif,sans-serif;
  --font-sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,ui-sans-serif,sans-serif;
  --font-alt:"Space Grotesk",var(--font-sans);

  /* Type scale */
  --size-hero: clamp(2.6rem, 6vw + 0.5rem, 4.5rem);
  --size-h2: clamp(1.4rem, 2.5vw, 2rem);
  --size-h3: 1.2rem;
  --size-body: 1rem;

  /* Core palette (match brand palette image) */
  --black:#111111;
  --graphite:#151515;
  --slate:#222222;
  --white:#FFFFFF;

  /* Brand accents */
  --blue:#0C85FF;
  --aqua:#2FF3E0;

  /* Blue glow helpers */
  --blue-soft: rgba(12,133,255,.14);
  --blue-glow: rgba(12,133,255,.24);
  --aqua-soft: rgba(47,243,224,.14);

  /* Surfaces */
  --bg: var(--black);
  --bg-elev: var(--graphite);
  --tile: color-mix(in oklab, var(--slate), black 6%);
  --fg: #FFFFFF;
  --fg-muted: color-mix(in oklab, var(--fg), var(--bg) 55%);
  --text-soft:#F3F4F6;

  /* Borders / glass */
  --border: rgba(255,255,255,.08);
  --glass: rgba(21,21,21,.55);
  --glass-border: rgba(148,163,184,.14);

  /* Background stops */
  --bg-grad-1:#0a0f18;
  --bg-grad-2:#070b12;
  --bg-grad-3:#05070d;
  --bg-glow-a: rgba(12,133,255,.10);
  --bg-glow-b: rgba(47,243,224,.09);

  /* Radius / shadow */
  --radius:14px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 12px 34px rgba(0,0,0,.34);
}

/* ---------- Reset / base ---------- */
*{ box-sizing:border-box; }
html,body{ height:100%; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:var(--size-body);
  line-height:1.65;
  color:var(--fg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;

  /* ✅ Restored premium dark background */
  background:
    radial-gradient(55% 55% at 8% 6%,  var(--bg-glow-a) 0%, transparent 60%),
    radial-gradient(45% 45% at 92% 10%, var(--bg-glow-b) 0%, transparent 58%),
    radial-gradient(75% 75% at 10% 95%, rgba(255,255,255,.035) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-grad-1) 0%, var(--bg-grad-2) 48%, var(--bg-grad-3) 100%);
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; }
p{ margin:.5rem 0 1rem; color:var(--text-soft); }
.muted{ color:var(--fg-muted); }

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  border-radius:10px;
  background:rgba(0,0,0,.85);
  border:1px solid rgba(255,255,255,.18);
  z-index:9999;
}

/* ---------- Layout ---------- */
.container{ width:min(1100px, 92%); margin-inline:auto; }
.grid{ display:grid; gap:1rem; }
.grid-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.grid-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }

@media (max-width:900px){
  .grid-3{ grid-template-columns:1fr 1fr; }
}
@media (max-width:640px){
  .grid-3,.grid-2{ grid-template-columns:1fr; }
}

.section{ padding:64px 0; }
.section-tight{ padding:40px 0; }

.page-head{ max-width:900px; }
.page-body{ margin-top:16px; }

.rule{
  margin:16px 0;
  border:0;
  height:1px;
  background:rgba(148,163,184,.18);
}

.cta-row{
  display:flex;
  gap:.6rem;
  flex-wrap:wrap;
  align-items:center;
}

/* ---------- Typography ---------- */
h1,h2,h3{
  font-family:var(--font-display);
  letter-spacing:.02em;
  margin:0 0 .5rem;
  text-shadow:none;
}
h1{ font-size:var(--size-hero); line-height:1.08; }
h2{ font-size:var(--size-h2); }
h3{ font-size:var(--size-h3); }

/* ---------- Cards ---------- */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: 20px;
}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-size:.75rem;
  padding:.22rem .5rem;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  color: rgba(255,255,255,.72);
}
.badge--accent{
  border-color: color-mix(in oklab, var(--aqua), white 12%);
  color:#eaffff;
  background: linear-gradient(135deg, rgba(15,23,42,.70), rgba(8,47,73,.88));
}

/* ---------- Buttons (NO gradient button) ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.7rem 1rem;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  text-decoration:none;
  font-weight:600;
  cursor:pointer;

  background: var(--blue);
  color: #071018;
  box-shadow:0 6px 16px rgba(0,0,0,.20);
  transition:transform .15s ease, filter .15s ease, box-shadow .15s ease;
}
.btn:hover{
  filter:saturate(1.03) brightness(1.02);
  transform:translateY(-2px);
}
.btn:active{ transform:translateY(0); }

.btn--alt{
  background: var(--aqua);
  border-color: color-mix(in oklab, var(--aqua), black 20%);
  color:#071018;
}

.btn--ghost{
  color: var(--fg);
  background: rgba(255,255,255,.04);
  border:1px solid rgba(148,163,184,.22);
  box-shadow:none;
}

/* ✅ Hollow glow button (replaces old gradient button)
   Keep class name .btn--grad so you don't need to change HTML. */
.btn--grad{
  color: var(--fg);
  background: rgba(255,255,255,.02);
  border: 1px solid color-mix(in oklab, var(--blue), white 22%);
  box-shadow:
    0 10px 22px rgba(0,0,0,.28),
    0 0 0 1px rgba(255,255,255,.04),
    0 0 26px var(--blue-soft);
}
.btn--grad:hover{
  filter: brightness(1.03);
  box-shadow:
    0 14px 30px rgba(0,0,0,.34),
    0 0 0 1px rgba(255,255,255,.06),
    0 0 36px var(--blue-glow);
  transform: translateY(-2px);
}
.btn--grad:active{ transform: translateY(0); }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  padding:12px 0;
  transition:all .2s ease;
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:.5rem .8rem;
  border-radius:999px;
  background:transparent;
  border:1px solid transparent;
}
.site-header.scrolled .nav{
  background: rgba(15,23,42,.45);
  border-color: rgba(148,163,184,.16);
  backdrop-filter: blur(10px);
}

.brand{
  display:flex;
  align-items:center;
  gap:.75rem;
  text-decoration:none;
  color:var(--fg);
}
.brand img{ width:28px; height:28px; }
.brand span{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:.04em;
}

.nav-links{
  display:flex;
  gap:.75rem;
  align-items:center;
}
.nav-links a{
  color: var(--fg-muted);
  text-decoration:none;
  padding:.4rem .6rem;
  border-radius:8px;
}
.nav-links a:hover{ color:var(--fg); }

.hamb{
  display:none;
  background:none;
  border:1px solid rgba(255,255,255,.12);
  color:var(--fg);
  padding:.45rem .55rem;
  border-radius:10px;
  cursor:pointer;
}

@media (max-width:860px){
  .nav-links{ display:none; }
  .hamb{ display:inline-flex; }

  .nav-links.open{
    display:flex;
    position:absolute;
    inset:64px 16px auto 16px;
    flex-direction:column;
    align-items:stretch;
    background: rgba(15,23,42,.84);
    border:1px solid rgba(148,163,184,.20);
    border-radius:16px;
    padding:12px;
    backdrop-filter: blur(10px);
  }

  .nav-links a{ padding:.6rem .75rem; }
}

/* ---------- Hero ---------- */
.hero{
  padding:86px 0 48px;
  display:grid;
  gap:24px;
  align-items:center;
}
.hero .r3{ width:84px; height:84px; }
.hero .lede{
  font-size:1.125rem;
  color:var(--fg-muted);
  max-width:60ch;
}

/* ---------- Features ---------- */
.feature{
  display:flex;
  gap:.85rem;
  align-items:flex-start;
}
.feature .dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background: var(--aqua);
  box-shadow:none;
}

/* ---------- Logo band + tiles ---------- */
.logo-band{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap:14px;
  align-items:stretch;
}

/* Base tile */
.logo-tile{
  background: var(--tile);
  border: 1px solid rgba(255,255,255,.08);
  border-radius:14px;
  padding:18px 22px;
  min-height:110px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 12px 24px rgba(0,0,0,.25);
}

/* Prevent massive logos */
.logo-tile img{
  max-width:100%;
  height:auto;
  max-height:56px;
  filter:none !important;
  mix-blend-mode:normal;
  opacity:1;
}

/* ✅ Light tile for BLACK marks (force solid white) */
.logo-tile--light{
  background:#ffffff !important;
  border-color: rgba(2,6,23,.10) !important;
  box-shadow: 0 12px 24px rgba(0,0,0,.18) !important;
}
.logo-tile--light img{
  opacity:1 !important;
}

/* ---------- Pricing ---------- */
.pricing-grid{
  display:grid;
  gap:1rem;
  grid-template-columns:repeat(3,minmax(0,1fr));
}
@media (max-width:900px){
  .pricing-grid{ grid-template-columns:1fr; }
}

.plans .plan{
  display:flex;
  flex-direction:column;
  gap:.75rem;
  padding:1.1rem;
}

.price{
  font-family:var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height:1;
  font-weight:700;
  margin:.25rem 0 1rem;
}
.price .currency{
  font-size:.6em;
  opacity:.8;
  margin-right:.15rem;
}

.feature-list{
  list-style:none;
  padding-left:0;
  display:grid;
  gap:.35rem;
  margin:.4rem 0 .2rem;
}
.feature-list li{
  position:relative;
  padding-left:1.25rem;
}
.feature-list li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:.05rem;
  font-weight:700;
  color: var(--aqua);
}

.plan--popular{
  outline:2px solid color-mix(in oklab, var(--aqua), white 14%);
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--aqua), transparent 90%), var(--shadow-1);
}
.plan--glow{
  box-shadow: var(--shadow-2), 0 0 0 1px rgba(148,163,184,.14);
}

/* ---------- Forms ---------- */
.input{
  appearance:none;
  width:100%;
  padding:.75rem .9rem;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: var(--fg);
  outline:none;
}
.input:focus{
  border-color: color-mix(in oklab, var(--blue), white 10%);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--blue), transparent 75%);
}
textarea.input{
  min-height:140px;
  resize:vertical;
}

/* ---------- Style Guide helpers (no inline styles needed) ---------- */
.sg-wrap{
  width:min(1100px, 92%);
  margin-inline:auto;
}
.sg-row{
  display:flex;
  gap:.65rem;
  flex-wrap:wrap;
  align-items:center;
}
.sg-kicker{
  color: rgba(255,255,255,.62);
  font-family: var(--font-alt);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.78rem;
}
.sg-lede{
  max-width:72ch;
  color: rgba(255,255,255,.72);
}
.sg-toc{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem;
  margin-top:14px;
}
.sg-block{ margin-top:26px; }
.sg-hr{
  margin:22px 0 6px;
  border:0;
  height:1px;
  background:rgba(148,163,184,.14);
}
.sg-kbd{
  display:inline-block;
  padding:.12rem .38rem;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  font-size:.9em;
}
.sg-subtle{
  margin-top:10px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:14px;
  padding:12px 14px;
  background: rgba(255,255,255,.03);
}

/* Swatches */
.sg-swatches{
  margin-top:14px;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap:12px;
}
.sg-swatch{
  display:flex;
  gap:12px;
  align-items:center;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding:12px;
}
.sg-swatch__chip{
  width:46px;
  height:46px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
}
.sg-swatch__meta{ display:flex; flex-direction:column; gap:2px; }
.sg-swatch__name{ font-weight:650; }
.sg-swatch__hex{ color: rgba(255,255,255,.62); font-size:.9rem; }

/* Logos grid in style guide */
.sg-logos{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap:14px;
  margin-top:14px;
}

/* Make sg-logo behave like logo-tile (so HTML can use either) */
.sg-logo{
  background: var(--tile);
  border: 1px solid rgba(255,255,255,.08);
  border-radius:14px;
  padding:18px 22px;
  min-height:110px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 12px 24px rgba(0,0,0,.25);
}
.sg-logo img{
  max-width:100%;
  height:auto;
  max-height:56px;
}

/* Critical: if someone uses sg-logo + logo-tile--light, make it white */
.sg-logo.logo-tile--light{
  background:#ffffff !important;
  border-color: rgba(2,6,23,.10) !important;
  box-shadow: 0 12px 24px rgba(0,0,0,.18) !important;
}

/* Simple demo boxes for layouts section */
.sg-demo-grid{ margin-top:12px; }
.sg-demo-box{
  border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  padding:14px;
  text-align:center;
  color: rgba(255,255,255,.75);
}

/* ---------- Preview thumbs ---------- */
.thumb{
  position:relative;
  overflow:hidden;
  height:180px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:.25rem;
  padding:1rem;
  text-decoration:none;
  color:inherit;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow-1);
  background: var(--tile);
}
.thumb__title{ font-weight:600; }
.thumb__caption{ font-size:.9rem; color:var(--fg-muted); }

.thumb::before{
  content:"Aa 123";
  position:absolute;
  top:-6px;
  left:12px;
  font-weight:700;
  font-size:64px;
  line-height:1;
  opacity:.18;
  pointer-events:none;
}

.thumb--inter{
  background: linear-gradient(120deg, rgba(12,133,255,.10), rgba(47,243,224,.08)), var(--tile);
}
.thumb--poppins{
  background: linear-gradient(120deg, rgba(47,243,224,.08), rgba(12,133,255,.10)), var(--tile);
}
.thumb--space{
  background: linear-gradient(120deg, rgba(12,133,255,.08), rgba(255,255,255,.06)), var(--tile);
}

.thumb--inter::before{ font-family:"Inter", system-ui, sans-serif; }
.thumb--poppins::before{ font-family:"Poppins", system-ui, sans-serif; }
.thumb--space::before{ font-family:"Space Grotesk", system-ui, sans-serif; }

/* ---------- Footer ---------- */
.site-footer{
  padding:36px 0;
  color: rgba(255,255,255,.68);
  border-top: 1px solid rgba(148,163,184,.14);
  background: rgba(2,6,23,.55);
}
.footer-grid{
  display:grid;
  gap:1rem;
  grid-template-columns:1fr auto;
}
@media (max-width:720px){
  .footer-grid{ grid-template-columns:1fr; }
}

/* ---------- A11y utility ---------- */
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html:focus-within{ scroll-behavior:auto; }
  *{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
  }
  .btn:hover{ transform:none !important; }
  .site-header{ transition:none !important; }
}

/* =========================================================
   PATCH: Style Guide logo tiles (force white tiles for black marks)
   Put at END of main.css
   ========================================================= */
   .logo-tile.logo-tile--light{
    background:#fff !important;
    border-color: rgba(2,6,23,.10) !important;
    box-shadow: 0 12px 24px rgba(0,0,0,.18) !important;
  }
  .logo-tile.logo-tile--light img{
    opacity:1 !important;
    filter:none !important;
    mix-blend-mode:normal !important;
  }