/* ============================================================
   DesignTemplateAI — shared design system
   Dayella Limited · static build · no build step
   ============================================================ */

:root {
  --bg:        #fafaf8;
  --bg-soft:   #f2f1ee;
  --ink:       #12141a;
  --ink-2:     #4e525c;
  --ink-3:     #868b96;
  --line:      #e5e3dd;
  --paper:     #ffffff;

  --dark:      #0b0d12;
  --dark-2:    #141823;
  --dark-line: rgba(255, 255, 255, 0.08);

  --accent:    #6d5ef4;
  --accent-2:  #8b5cf6;
  --violet:    #a78bfa;
  --lime:      #c8f169;
  --pink:      #f472b6;

  --grad:      linear-gradient(100deg, #6d5ef4 0%, #8b5cf6 55%, #c084fc 100%);
  --grad-soft: linear-gradient(100deg, rgba(109,94,244,.10) 0%, rgba(192,132,252,.10) 100%);

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --shadow-1: 0 1px 2px rgba(18,20,26,.05), 0 8px 24px -12px rgba(18,20,26,.12);
  --shadow-2: 0 2px 6px rgba(18,20,26,.06), 0 24px 48px -20px rgba(18,20,26,.18);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --container: 1160px;
  --nav-h: 72px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: rgba(109,94,244,.25); }

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

/* ---------- type ---------- */
.display {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.06;
}
.h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; }
.h3 { font-size: 1.35rem; letter-spacing: -0.02em; }
.lede { font-size: 1.15rem; color: var(--ink-2); line-height: 1.7; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(109,94,244,.55);
}
.btn-primary:hover { box-shadow: 0 14px 36px -10px rgba(109,94,244,.65); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #262a34; }
.btn-light { background: #fff; color: var(--dark); }
.btn-light:hover { box-shadow: var(--shadow-2); }
.btn svg { width: 16px; height: 16px; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(250,250,248,.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.05rem; letter-spacing: -0.02em; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--grad);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 0.95rem;
  box-shadow: 0 6px 18px -6px rgba(109,94,244,.6);
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.94rem; font-weight: 500; color: var(--ink-2); transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-burger svg { width: 22px; height: 22px; }

@media (max-width: 900px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-burger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 16px 24px 20px;
  }
  .nav-links.open a { padding: 8px 0; font-size: 1.05rem; }
}

/* ---------- hero (dark) ---------- */
.hero {
  background:
    radial-gradient(900px 480px at 82% -10%, rgba(139,92,246,.28), transparent 60%),
    radial-gradient(700px 420px at 8% 0%, rgba(109,94,244,.22), transparent 55%),
    var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(800px 500px at 50% 0%, #000 30%, transparent 75%);
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 24px 84px;
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero .eyebrow { color: var(--violet); display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.hero .eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); }
.hero h1 { margin: 0 0 20px; }
.hero .lede { color: rgba(255,255,255,.72); max-width: 34em; margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stats .num { font-size: 1.8rem; font-weight: 800; letter-spacing: -0.03em; }
.hero-stats .lbl { font-size: 0.82rem; color: rgba(255,255,255,.55); margin-top: 2px; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 72px 24px 64px; }
}

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow { display: block; margin-bottom: 12px; }
.section-head h2 { margin-bottom: 14px; }
.section-head .lede { color: var(--ink-2); }
.bg-soft { background: var(--bg-soft); }
.bg-dark-section {
  background: var(--dark);
  color: #fff;
}
.bg-dark-section .lede { color: rgba(255,255,255,.7); }
.bg-dark-section .eyebrow { color: var(--violet); }

/* ---------- cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 26px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: rgba(109,94,244,.4); }
.card .card-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--grad-soft);
  color: var(--accent);
  margin-bottom: 18px;
  font-family: var(--mono); font-size: 0.85rem; font-weight: 700;
}
.card h3 { margin-bottom: 10px; font-size: 1.12rem; }
.card p { color: var(--ink-2); font-size: 0.95rem; }
.card .card-meta { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-3); margin-top: 16px; display: block; text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- template cards ---------- */
.tpl-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease;
}
.tpl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.tpl-preview {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--dark);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.tpl-preview img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.tpl-preview .badge {
  position: absolute; top: 14px; left: 14px;
  background: rgba(11,13,18,.75);
  backdrop-filter: blur(6px);
  color: #fff; font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
}
.tpl-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.tpl-body h3 { font-size: 1.15rem; }
.tpl-body p { color: var(--ink-2); font-size: 0.94rem; flex: 1; }
.tpl-body .tpl-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
.tpl-dl {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 0.9rem; color: var(--accent);
}
.tpl-dl svg { width: 15px; height: 15px; }
.tpl-size { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-3); }

/* ---------- steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 960px) { .steps { grid-template-columns: 1fr; } }
.step {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--paper);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--mono);
  font-size: 0.8rem; font-weight: 700;
  color: var(--accent);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--grad-soft);
  margin-bottom: 16px;
}
.step h3 { font-size: 1.08rem; margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: 0.94rem; }

/* ---------- resource list ---------- */
.res-cat { margin-bottom: 56px; }
.res-cat > h3 {
  font-size: 1.25rem;
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 10px;
}
.res-cat > h3 .tag {
  font-family: var(--mono); font-size: 0.72rem; font-weight: 600;
  color: var(--accent);
  background: var(--grad-soft);
  padding: 3px 9px; border-radius: 999px;
}
.res-cat > p { color: var(--ink-2); margin-bottom: 18px; }
.res-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (max-width: 800px) { .res-grid { grid-template-columns: 1fr; } }
.res-item {
  display: flex; flex-direction: column; gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 20px;
  background: var(--paper);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.res-item:hover { border-color: rgba(109,94,244,.45); transform: translateY(-2px); box-shadow: var(--shadow-1); }
.res-item .r-name { font-weight: 700; font-size: 0.99rem; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.res-item .r-name .src { font-family: var(--mono); font-size: 0.72rem; font-weight: 500; color: var(--accent); }
.res-item .r-desc { color: var(--ink-2); font-size: 0.9rem; }
.res-item .r-link { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-3); }
.res-item .r-link:hover { color: var(--accent); }
.res-item .flag {
  font-family: var(--mono); font-size: 0.68rem;
  color: #b45309; background: #fffbeb;
  border: 1px solid #fde68a;
  padding: 2px 8px; border-radius: 999px;
  width: fit-content;
}

/* ---------- learn articles ---------- */
.article-card { display: block; }
.article-card .art-num { font-family: var(--mono); font-size: 0.75rem; color: var(--accent); font-weight: 600; letter-spacing: 0.1em; }
.article-card h3 { margin: 8px 0 6px; }
.article-card h3 a:hover { color: var(--accent); }
.article-card .art-meta { font-size: 0.8rem; color: var(--ink-3); margin-top: 12px; }

/* ---------- services ---------- */
.service-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
@media (max-width: 960px) { .service-plans { grid-template-columns: 1fr; } }
.plan {
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  background: var(--paper);
  position: relative;
}
.plan.featured {
  border-color: transparent;
  background: linear-gradient(var(--paper), var(--paper)) padding-box, var(--grad) border-box;
  box-shadow: var(--shadow-2);
}
.plan .plan-tag {
  position: absolute; top: -12px; left: 28px;
  font-family: var(--mono); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: #fff; background: var(--grad);
  padding: 5px 12px; border-radius: 999px;
}
.plan h3 { font-size: 1.2rem; }
.plan .price { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; margin: 14px 0 4px; }
.plan .price span { font-size: 0.95rem; font-weight: 500; color: var(--ink-3); }
.plan .plan-desc { color: var(--ink-2); font-size: 0.93rem; margin-bottom: 20px; }
.plan ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 26px; flex: 1; }
.plan li { display: flex; gap: 10px; font-size: 0.92rem; color: var(--ink-2); }
.plan li::before { content: "✓"; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.plan .btn { justify-content: center; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(700px 320px at 85% 20%, rgba(139,92,246,.3), transparent 60%),
    radial-gradient(600px 300px at 10% 90%, rgba(109,94,244,.22), transparent 60%),
    var(--dark);
  color: #fff;
  text-align: center;
  padding: 80px 24px;
  border-radius: var(--r-xl);
}
.cta-band h2 { max-width: 20em; margin: 0 auto 14px; }
.cta-band .lede { color: rgba(255,255,255,.7); max-width: 34em; margin: 0 auto 32px; }
.cta-band .btn-light + .btn { margin-left: 12px; }

/* ---------- contact / form ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-meta { display: flex; flex-direction: column; gap: 22px; }
.contact-meta .cm-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-meta .cm-icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: var(--grad-soft); color: var(--accent);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 0.85rem; font-weight: 700;
}
.contact-meta h4 { font-size: 0.98rem; margin-bottom: 2px; }
.contact-meta p { color: var(--ink-2); font-size: 0.93rem; }
.form-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 34px; box-shadow: var(--shadow-1); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font: inherit; font-size: 0.95rem;
  background: var(--bg);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(109,94,244,.15);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.78rem; color: var(--ink-3); margin-top: 12px; }

/* ---------- footer ---------- */
.footer { background: var(--dark); color: rgba(255,255,255,.75); padding: 64px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
.footer a { display: block; color: rgba(255,255,255,.6); font-size: 0.92rem; padding: 4px 0; transition: color .15s; }
.footer a:hover { color: #fff; }
.footer .f-about { font-size: 0.92rem; color: rgba(255,255,255,.55); margin-top: 14px; max-width: 30em; }
.footer .f-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: #fff; font-size: 1.05rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.09);
  margin-top: 48px;
  padding-top: 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 0.82rem; color: rgba(255,255,255,.4);
}

/* ---------- page header (generic) ---------- */
.page-head {
  background:
    radial-gradient(700px 340px at 85% -20%, rgba(139,92,246,.18), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 72px 0 56px;
}
.page-head h1 { font-size: clamp(2.2rem, 4.5vw, 3.2rem); margin: 12px 0 16px; }
.page-head .lede { max-width: 44em; }

/* ---------- download page notes ---------- */
.note-box {
  border: 1px dashed rgba(109,94,244,.5);
  background: var(--grad-soft);
  border-radius: var(--r-md);
  padding: 22px 26px;
  font-size: 0.93rem;
  color: var(--ink-2);
  margin-bottom: 40px;
}
.note-box b { color: var(--ink); }

/* ---------- misc ---------- */
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.chip {
  font-family: var(--mono); font-size: 0.75rem;
  color: var(--ink-2);
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 6px 14px; border-radius: 999px;
}
.chip.hl { color: var(--accent); border-color: rgba(109,94,244,.4); background: var(--grad-soft); }
.divider { border: 0; border-top: 1px solid var(--line); margin: 0; }
.quote {
  border-left: 3px solid var(--accent);
  padding: 14px 20px;
  background: var(--grad-soft);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--ink-2);
  font-size: 0.95rem;
}
.legal { font-size: 0.86rem; color: var(--ink-2); max-width: 60em; }
.legal li { list-style: disc; margin-left: 18px; margin-bottom: 8px; }
.kbd { font-family: var(--mono); font-size: 0.78rem; background: var(--bg-soft); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 1px 7px; }

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