/* ============================================================================
   site.css — marketing page layout (homepage + supporting pages)
   ============================================================================ */

/* ---- HERO ---------------------------------------------------------------- */
.hero { position: relative; padding-top: clamp(48px, 7vw, 88px); padding-bottom: clamp(40px, 6vw, 72px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 60% at 78% 0%, var(--accent-wash) 0%, transparent 60%),
    linear-gradient(180deg, color-mix(in srgb, var(--accent-wash) 40%, transparent), transparent 40%);
  opacity: 0.9;
}
.hero-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy { max-width: 42ch; }
.hero h1 { font-size: clamp(2.1rem, 1.4rem + 2.5vw, 3.4rem); letter-spacing: var(--tracking-tight); line-height: 1.08; margin-top: var(--space-4); }
.hero .lead { margin-top: var(--space-5); max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.hero-micro { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin-top: var(--space-6); font-size: var(--fs-xs); color: var(--ink-3); }
.hero-micro span { display: inline-flex; align-items: center; gap: 6px; }
.hero-micro svg { width: 14px; height: 14px; color: var(--success); }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .hero-copy { max-width: 100%; }
  .hero .lead { max-width: 56ch; }
}

/* ---- HERO VISUAL: activation request/response card ----------------------- */
.hero-visual { position: relative; }
.api-card { background: var(--code-bg); border: 1px solid var(--code-line); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); overflow: hidden; }
.api-card-head { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--code-line); background: var(--code-bg-header); }
.api-dot { width: 10px; height: 10px; border-radius: 50%; background: #2b3340; }
.api-card-title { margin-left: 8px; font-family: var(--font-mono); font-size: var(--fs-mono-xs); color: var(--code-comment); }
.api-card-body { padding: var(--space-5); font-family: var(--font-mono); font-size: var(--fs-sm); line-height: 1.75; color: var(--code-fg); overflow-x: auto; white-space: pre-wrap; word-break: break-word; }
.api-pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: var(--fs-mono-xs); padding: 3px 9px; border-radius: var(--radius-pill); border: 1px solid var(--code-line); color: var(--code-comment); }
.api-floats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--space-4); }
.api-float { display: inline-flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-pill); padding: 8px 14px; box-shadow: var(--shadow-md); font-size: var(--fs-xs); font-weight: var(--fw-medium); }
.api-float svg { width: 15px; height: 15px; }
.api-float.ok svg { color: var(--success); }

/* ---- TRUST STRIP --------------------------------------------------------- */
.trust { border-block: 1px solid var(--line); background: var(--surface); }
.trust-inner { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3) var(--space-5); padding-block: var(--space-5); }
.trust-label { font-family: var(--font-mono); font-size: var(--fs-mono-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); margin-right: var(--space-2); }
.trust-items { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---- HOW IT WORKS (stepped flow) ---------------------------------------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-3); counter-reset: step; }
.flow-step { position: relative; padding: var(--space-5); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.flow-step::after {
  content: ""; position: absolute; top: 50%; right: calc(var(--space-3) * -1 - 1px); width: var(--space-3); height: 1px; background: var(--line-2); z-index: 1;
}
.flow-step:last-child::after { display: none; }
.flow-num { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: var(--radius-md); background: var(--accent-wash); border: 1px solid var(--accent-border); color: var(--accent-text); font-family: var(--font-mono); font-size: var(--fs-sm); font-weight: var(--fw-semibold); margin-bottom: var(--space-4); }
.flow-step h3 { font-size: var(--fs-md); }
.flow-step p { margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--ink-2); line-height: var(--lh-relaxed); }
@media (max-width: 1000px) { .flow { grid-template-columns: 1fr 1fr; } .flow-step::after { display: none; } }
@media (max-width: 560px) { .flow { grid-template-columns: 1fr; } }

/* ---- FEATURE GRID -------------------------------------------------------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .feature-grid { grid-template-columns: 1fr; } }

/* ---- DIFFERENTIATORS (dark band) ---------------------------------------- */
.band-dark { background: var(--paper); color: var(--ink); }
.band-dark .eyebrow { color: var(--accent-text); }
.diff-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.diff { padding: var(--space-5); border-radius: var(--radius-lg); border: 1px solid var(--line); background: var(--surface); }
.diff-k { display: flex; align-items: center; gap: 10px; font-weight: var(--fw-semibold); }
.diff-k svg { width: 18px; height: 18px; color: var(--accent); }
.diff p { margin-top: var(--space-3); font-size: var(--fs-sm); color: var(--ink-2); line-height: var(--lh-relaxed); }
@media (max-width: 900px) { .diff-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .diff-grid { grid-template-columns: 1fr; } }

/* ---- DEVELOPER TEASER (channel tabs over dark code) --------------------- */
.dev-teaser { background: #090c11; border: 1px solid var(--code-line); border-radius: var(--radius-2xl); overflow: hidden; box-shadow: var(--shadow-xl); }
.dev-teaser-top { display: grid; grid-template-columns: 1fr; }
.tabs { display: flex; gap: 2px; padding: 10px 12px; border-bottom: 1px solid var(--code-line); background: var(--code-bg-header); overflow-x: auto; }
.tab {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font-family: var(--font-mono); font-size: var(--fs-mono-xs); font-weight: var(--fw-medium);
  color: var(--code-comment); padding: 7px 12px; border-radius: var(--radius-sm);
  border: 1px solid transparent; transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.tab svg { width: 14px; height: 14px; }
.tab:hover { color: var(--code-fg); }
.tab[aria-selected="true"] { color: #fff; background: rgba(139,147,255,0.14); border-color: rgba(139,147,255,0.3); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }
.dev-teaser .code { border: none; border-radius: 0; box-shadow: none; }
.dev-teaser .code-head { border-radius: 0; }

/* ---- SECURITY / COMPAT split -------------------------------------------- */
.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 860px) { .split-2 { grid-template-columns: 1fr; } }
.spec-list { display: flex; flex-direction: column; gap: 2px; }
.spec-row { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-4) 0; border-bottom: 1px solid var(--line); }
.spec-row:last-child { border-bottom: none; }
.spec-ic { flex: none; width: 34px; height: 34px; border-radius: var(--radius-md); display: inline-flex; align-items: center; justify-content: center; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink-2); }
.spec-ic svg { width: 18px; height: 18px; }
.spec-row h4 { font-size: var(--fs-base); font-weight: var(--fw-semibold); }
.spec-row p { font-size: var(--fs-sm); color: var(--ink-2); margin-top: 2px; line-height: var(--lh-relaxed); }

/* ---- GETTING STARTED ----------------------------------------------------- */
.start-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 860px) { .start-grid { grid-template-columns: 1fr; } }
.start-steps { counter-reset: s; display: flex; flex-direction: column; gap: var(--space-2); }
.start-step { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); padding: var(--space-4) 0; align-items: start; }
.start-step::before { counter-increment: s; content: counter(s, decimal-leading-zero); font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--accent-text); font-weight: var(--fw-semibold); padding-top: 2px; }
.start-step h4 { font-size: var(--fs-md); }
.start-step p { font-size: var(--fs-sm); color: var(--ink-2); margin-top: 4px; line-height: var(--lh-relaxed); }

/* ---- PRICING ------------------------------------------------------------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); align-items: start; }
.price-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1040px) { .price-grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 860px) { .price-grid { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; } .price-grid-4 { grid-template-columns: 1fr; } }
.price-extra { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); max-width: 880px; margin: var(--space-6) auto 0; }
@media (max-width: 720px) { .price-extra { grid-template-columns: 1fr; } }
.price-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl); padding: var(--space-6); position: relative; }
.price-card.featured { border-color: var(--accent-border); box-shadow: var(--shadow-md); }
.price-card.featured::before { content: attr(data-tag); position: absolute; top: -11px; left: var(--space-6); font-family: var(--font-mono); font-size: var(--fs-mono-xs); text-transform: uppercase; letter-spacing: 0.05em; background: var(--accent); color: #fff; padding: 3px 10px; border-radius: var(--radius-pill); }
.price-name { font-weight: var(--fw-semibold); font-size: var(--fs-lg); }
.price-amt { display: flex; align-items: baseline; gap: 6px; margin: var(--space-4) 0; }
.price-amt .num { font-size: var(--fs-3xl); font-weight: var(--fw-semibold); letter-spacing: var(--tracking-tight); }
.price-amt .per { font-size: var(--fs-sm); color: var(--ink-3); }
.price-ph { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: var(--fs-mono-xs); color: var(--warn); background: var(--warn-wash); border: 1px solid var(--warn-border); padding: 3px 8px; border-radius: var(--radius-sm); }
.price-feats { display: flex; flex-direction: column; gap: var(--space-3); margin: var(--space-5) 0; }
.price-feats li { display: flex; gap: var(--space-3); font-size: var(--fs-sm); color: var(--ink-2); }
.price-feats svg { flex: none; width: 18px; height: 18px; color: var(--success); margin-top: 1px; }
.price-card .btn { margin-top: auto; }

/* ---- AUTHOR / ABOUT ------------------------------------------------------ */
.author { display: block; padding: var(--space-7); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl); }
.author-avatar { width: 92px; height: 92px; border-radius: var(--radius-lg); background: var(--surface-2); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; }
.author-avatar .ph-label { font-family: var(--font-mono); font-size: 10px; color: var(--ink-3); }
@media (max-width: 560px) { .author { grid-template-columns: 1fr; text-align: left; } }

/* ---- CTA BAND ------------------------------------------------------------ */
.cta-band { text-align: center; }
.cta-card { background: var(--ink); color: #fff; border-radius: var(--radius-2xl); padding: clamp(40px, 6vw, 72px); position: relative; overflow: hidden; }
.cta-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 120% at 50% 0%, rgba(139,147,255,0.28), transparent 60%); }
.cta-card > * { position: relative; }
.cta-card h2 { color: #fff; font-size: var(--fs-3xl); max-width: 20ch; margin-inline: auto; }
.cta-card p { color: #c2c7d0; margin-top: var(--space-4); max-width: 52ch; margin-inline: auto; }
.cta-card .hero-cta { justify-content: center; margin-top: var(--space-6); }
.cta-card .btn-secondary { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.22); color: #fff; }
.cta-card .btn-secondary:hover { background: rgba(255,255,255,0.14); }

/* a generic two-up explanatory section */
.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 860px) { .value-grid { grid-template-columns: 1fr; } }