/* ===========================================================================
   AffiliForge — marketing site styles
   Design language: an industrial forge. Steel ground, molten-ember accent,
   engineering typography. Light + dark themes both first-class.
   =========================================================================== */

/* ---- Tokens: light (base) ------------------------------------------------- */
:root {
	--bg:          #eef0f4;
	--bg-grad:     radial-gradient(1200px 600px at 78% -8%, rgba(221,79,28,.10), transparent 60%);
	--surface:     #ffffff;
	--surface-2:   #f5f6f9;
	--surface-3:   #eceef2;
	--border:      #d8dce3;
	--border-2:    #c8cdd6;
	--text:        #171a20;
	--text-muted:  #545c68;
	--text-faint:  #838b98;
	--ember:       #d8481a;
	--ember-strong:#b83a12;
	--ember-soft:  rgba(216,72,26,.10);
	--spark:       #c2680b;
	--ink:         #0e1013;
	--ring:        rgba(216,72,26,.38);

	--font-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
	--font-body:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	--font-mono:    'IBM Plex Mono', 'SF Mono', ui-monospace, 'Cascadia Code', Consolas, monospace;

	--maxw: 1140px;
	--radius: 14px;
	--radius-sm: 9px;
	--shadow: 0 1px 2px rgba(16,18,22,.06), 0 8px 24px rgba(16,18,22,.06);
	--shadow-lg: 0 2px 6px rgba(16,18,22,.08), 0 20px 50px rgba(16,18,22,.12);
}

/* ---- Tokens: dark --------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
	:root {
		--bg:          #0f1116;
		--bg-grad:     radial-gradient(1100px 560px at 80% -10%, rgba(255,106,43,.16), transparent 62%);
		--surface:     #171a21;
		--surface-2:   #1c2029;
		--surface-3:   #232833;
		--border:      #2a303b;
		--border-2:    #363d4a;
		--text:        #eef1f6;
		--text-muted:  #9aa3b2;
		--text-faint:  #69717f;
		--ember:       #ff6a2b;
		--ember-strong:#ff8348;
		--ember-soft:  rgba(255,106,43,.14);
		--spark:       #ffc24d;
		--ink:         #05060a;
		--ring:        rgba(255,106,43,.5);
		--shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.4);
		--shadow-lg: 0 2px 8px rgba(0,0,0,.45), 0 24px 60px rgba(0,0,0,.55);
	}
}

/* Explicit toggle wins over the media query in both directions */
:root[data-theme="light"] {
	--bg:#eef0f4; --bg-grad:radial-gradient(1200px 600px at 78% -8%, rgba(221,79,28,.10), transparent 60%);
	--surface:#ffffff; --surface-2:#f5f6f9; --surface-3:#eceef2; --border:#d8dce3; --border-2:#c8cdd6;
	--text:#171a20; --text-muted:#545c68; --text-faint:#838b98;
	--ember:#d8481a; --ember-strong:#b83a12; --ember-soft:rgba(216,72,26,.10); --spark:#c2680b; --ink:#0e1013; --ring:rgba(216,72,26,.38);
	--shadow:0 1px 2px rgba(16,18,22,.06),0 8px 24px rgba(16,18,22,.06); --shadow-lg:0 2px 6px rgba(16,18,22,.08),0 20px 50px rgba(16,18,22,.12);
}
:root[data-theme="dark"] {
	--bg:#0f1116; --bg-grad:radial-gradient(1100px 560px at 80% -10%, rgba(255,106,43,.16), transparent 62%);
	--surface:#171a21; --surface-2:#1c2029; --surface-3:#232833; --border:#2a303b; --border-2:#363d4a;
	--text:#eef1f6; --text-muted:#9aa3b2; --text-faint:#69717f;
	--ember:#ff6a2b; --ember-strong:#ff8348; --ember-soft:rgba(255,106,43,.14); --spark:#ffc24d; --ink:#05060a; --ring:rgba(255,106,43,.5);
	--shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.4); --shadow-lg:0 2px 8px rgba(0,0,0,.45),0 24px 60px rgba(0,0,0,.55);
}

/* ---- Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
	font-family: var(--font-body);
	background: var(--bg);
	background-image: var(--bg-grad);
	background-repeat: no-repeat;
	color: var(--text);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 4px; }

/* ---- Type ----------------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; line-height: 1.08; letter-spacing: -.02em; text-wrap: balance; color: var(--text); }
.eyebrow {
	font-family: var(--font-mono);
	font-size: .74rem;
	font-weight: 500;
	letter-spacing: .18em;
	text-transform: uppercase;
	color: var(--ember);
}
.lead { font-size: 1.18rem; color: var(--text-muted); line-height: 1.6; }

/* ---- Layout --------------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
section { padding-block: clamp(64px, 9vw, 116px); }
.section-head { max-width: 640px; margin-bottom: 48px; display: flex; flex-direction: column; gap: 16px; }
.section-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

/* ---- Header --------------------------------------------------------------- */
.site-header {
	position: sticky; top: 0; z-index: 50;
	backdrop-filter: saturate(140%) blur(12px);
	background: color-mix(in srgb, var(--bg) 82%, transparent);
	border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 800; font-size: 1.16rem; letter-spacing: -.02em; }
.brand .mark { width: 30px; height: 30px; flex: none; }
.brand .fg { color: var(--ember); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: .93rem; color: var(--text-muted); transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 14px; }

.theme-toggle {
	width: 38px; height: 38px; display: inline-grid; place-items: center;
	border: 1px solid var(--border-2); border-radius: 10px;
	background: var(--surface); color: var(--text-muted); cursor: pointer;
	transition: color .15s, border-color .15s, background .15s;
}
.theme-toggle:hover { color: var(--ember); border-color: var(--ember); }
.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .theme-toggle .sun { display:block; } :root:not([data-theme="light"]) .theme-toggle .moon { display:none; } }

/* ---- Buttons -------------------------------------------------------------- */
.btn {
	display: inline-flex; align-items: center; gap: 9px;
	font-family: var(--font-body); font-weight: 600; font-size: .96rem;
	padding: 12px 22px; border-radius: 11px; cursor: pointer; border: 1px solid transparent;
	transition: transform .12s ease, box-shadow .15s ease, background .15s, border-color .15s, color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ember); color: #fff; box-shadow: 0 2px 14px var(--ember-soft), 0 8px 30px rgba(216,72,26,.18); }
.btn-primary:hover { background: var(--ember-strong); box-shadow: 0 4px 22px rgba(255,106,43,.34); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { border-color: var(--ember); color: var(--ember); }

/* ---- Hero ----------------------------------------------------------------- */
.hero { position: relative; padding-top: clamp(56px, 8vw, 92px); padding-bottom: clamp(48px, 7vw, 84px); overflow: hidden; }
.hero::before {
	content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
	background:
		radial-gradient(560px 340px at 72% 18%, var(--ember-soft), transparent 70%),
		radial-gradient(420px 260px at 20% 82%, color-mix(in srgb, var(--spark) 22%, transparent), transparent 70%);
	animation: emberPulse 7s ease-in-out infinite;
}
@keyframes emberPulse { 0%,100% { opacity: .8; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .hero::before { animation: none; } }

.hero-inner { position: relative; z-index: 1; max-width: 760px; display: flex; flex-direction: column; gap: 22px; }
.hero h1 { font-size: clamp(2.5rem, 6.4vw, 4.5rem); font-weight: 800; }
.hero h1 .fg { color: var(--ember); }
.hero .lead { max-width: 620px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

.chipstrip { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.chip {
	font-family: var(--font-mono); font-size: .78rem; letter-spacing: .02em;
	color: var(--text-muted); background: var(--surface); border: 1px solid var(--border);
	padding: 7px 13px; border-radius: 999px; display: inline-flex; align-items: center; gap: 8px;
}
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ember); flex: none; }

/* ---- Stat strip ----------------------------------------------------------- */
.stats { border-block: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 55%, transparent); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-block: 40px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .num { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.7rem, 3.2vw, 2.3rem); color: var(--text); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stat .num .fg { color: var(--ember); }
.stat .label { font-size: .88rem; color: var(--text-muted); }

/* ---- Feature grid --------------------------------------------------------- */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 26px 24px 28px; box-shadow: var(--shadow); position: relative; overflow: hidden;
	transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.card::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%; background: linear-gradient(90deg, var(--ember), var(--spark)); opacity: 0; transition: opacity .16s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border-2); }
.card:hover::before { opacity: 1; }
.card .ico { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--ember-soft); color: var(--ember); margin-bottom: 16px; }
.card .ico svg { width: 22px; height: 22px; }
.card h3 { font-size: 1.16rem; margin-bottom: 8px; letter-spacing: -.01em; }
.card p { color: var(--text-muted); font-size: .96rem; }

/* ---- How it works --------------------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step {
	background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 26px 22px; position: relative;
}
.step .n {
	font-family: var(--font-display); font-weight: 800; font-size: 1rem;
	width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
	background: var(--ink); color: var(--spark); margin-bottom: 16px; font-variant-numeric: tabular-nums;
}
:root[data-theme="light"] .step .n { background: #171a20; color: #ffb347; }
.step h3 { font-size: 1.06rem; margin-bottom: 7px; }
.step p { color: var(--text-muted); font-size: .93rem; }

/* 5-stage automation pipeline */
.pipeline { grid-template-columns: repeat(5, 1fr); }
.auto-tag {
	position: absolute; top: 14px; right: 14px;
	font-family: var(--font-mono); font-size: .6rem; font-weight: 500;
	letter-spacing: .14em; text-transform: uppercase; color: var(--ember);
	background: var(--ember-soft); padding: 3px 8px; border-radius: 999px;
}

/* ---- Split / Amazon section ---------------------------------------------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.split h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 18px; }
.split p { color: var(--text-muted); margin-bottom: 14px; }
.check-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 12px; margin-top: 18px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: .98rem; }
.check-list .tick { flex: none; width: 22px; height: 22px; border-radius: 6px; background: var(--ember-soft); color: var(--ember); display: grid; place-items: center; margin-top: 2px; }
.check-list .tick svg { width: 13px; height: 13px; }

/* mock browser panel */
.panel {
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
	box-shadow: var(--shadow-lg); overflow: hidden;
}
.panel-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.panel-bar .d { width: 10px; height: 10px; border-radius: 50%; background: var(--border-2); }
.panel-bar .url { margin-left: 10px; font-family: var(--font-mono); font-size: .74rem; color: var(--text-faint); }
.panel-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 14px; }
.mock-row { display: flex; gap: 14px; align-items: center; }
.mock-thumb { width: 54px; height: 54px; border-radius: 9px; flex: none; background: linear-gradient(135deg, var(--surface-3), var(--surface-2)); border: 1px solid var(--border); display: grid; place-items: center; color: var(--text-faint); }
.mock-thumb svg { width: 22px; height: 22px; }
.mock-lines { flex: 1; display: flex; flex-direction: column; gap: 7px; }
.mock-lines .l { height: 9px; border-radius: 5px; background: var(--surface-3); }
.mock-lines .l.short { width: 45%; }
.mock-lines .l.med { width: 72%; }
.mock-cta { align-self: flex-start; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; color: #fff; background: var(--ember); padding: 6px 12px; border-radius: 7px; }
.mock-stars { color: var(--spark); font-size: .9rem; letter-spacing: 2px; }

/* ---- FAQ ------------------------------------------------------------------ */
.faq { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
.faq details {
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
	padding: 4px 20px; transition: border-color .15s;
}
.faq details[open] { border-color: var(--border-2); }
.faq summary {
	list-style: none; cursor: pointer; padding: 16px 0; font-family: var(--font-display);
	font-weight: 700; font-size: 1.03rem; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus { flex: none; width: 20px; height: 20px; position: relative; color: var(--ember); transition: transform .2s; }
.faq summary .plus::before, .faq summary .plus::after { content: ""; position: absolute; background: currentColor; border-radius: 2px; }
.faq summary .plus::before { left: 9px; top: 2px; width: 2px; height: 16px; }
.faq summary .plus::after { top: 9px; left: 2px; height: 2px; width: 16px; }
.faq details[open] summary .plus { transform: rotate(45deg); }
.faq details p { color: var(--text-muted); padding: 0 0 18px; font-size: .97rem; }

/* ---- Disclosure callout --------------------------------------------------- */
.callout {
	background: var(--surface-2); border: 1px solid var(--border); border-left: 3px solid var(--ember);
	border-radius: var(--radius); padding: 26px 28px; display: flex; gap: 18px; align-items: flex-start;
}
.callout .ico { flex: none; width: 40px; height: 40px; border-radius: 10px; background: var(--ember-soft); color: var(--ember); display: grid; place-items: center; }
.callout h3 { font-size: 1.12rem; margin-bottom: 6px; }
.callout p { color: var(--text-muted); font-size: .95rem; }
.callout a { color: var(--ember); font-weight: 600; }

/* ---- CTA band ------------------------------------------------------------- */
.cta-band { text-align: center; }
.cta-band .inner {
	background: var(--ink); border-radius: 22px; padding: clamp(44px,6vw,72px) 28px; position: relative; overflow: hidden;
	border: 1px solid var(--border);
}
.cta-band .inner::after { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 50% -30%, rgba(255,106,43,.28), transparent 65%); pointer-events: none; }
.cta-band h2 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); position: relative; z-index: 1; }
.cta-band p { color: #c7ccd6; max-width: 520px; margin: 14px auto 26px; position: relative; z-index: 1; }
.cta-band .hero-cta { justify-content: center; position: relative; z-index: 1; }

/* ---- Footer --------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--border); background: var(--surface-2); padding-block: 52px 34px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-grid p { color: var(--text-muted); font-size: .93rem; margin-top: 12px; max-width: 320px; }
.footer-col h4 { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px; font-weight: 500; }
.footer-col a { display: block; color: var(--text-muted); font-size: .93rem; padding: 5px 0; transition: color .15s; }
.footer-col a:hover { color: var(--ember); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--text-faint); font-size: .85rem; font-family: var(--font-mono); }

/* ---- Legal / content pages ------------------------------------------------ */
.doc { padding-block: clamp(48px, 7vw, 84px); }
.doc-inner { max-width: 760px; margin-inline: auto; }
.doc .eyebrow { margin-bottom: 14px; display: block; }
.doc h1 { font-size: clamp(2rem, 4vw, 2.9rem); margin-bottom: 10px; }
.doc .updated { font-family: var(--font-mono); font-size: .82rem; color: var(--text-faint); margin-bottom: 36px; }
.doc h2 { font-size: 1.35rem; margin: 38px 0 12px; }
.doc h3 { font-size: 1.08rem; margin: 26px 0 8px; }
.doc p, .doc li { color: var(--text-muted); margin-bottom: 12px; font-size: 1rem; }
.doc ul { padding-left: 22px; margin-bottom: 12px; }
.doc li { margin-bottom: 8px; }
.doc a { color: var(--ember); font-weight: 500; }
.doc strong { color: var(--text); }
.back-link { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: .82rem; color: var(--text-muted); margin-bottom: 30px; }
.back-link:hover { color: var(--ember); }

/* ---- Reveal on scroll ----------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---- Responsive ----------------------------------------------------------- */
@media (max-width: 900px) {
	.grid-3 { grid-template-columns: repeat(2, 1fr); }
	.steps { grid-template-columns: repeat(2, 1fr); }
	.stats .wrap { grid-template-columns: repeat(2, 1fr); }
	.split { grid-template-columns: 1fr; gap: 34px; }
	.footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
	.nav-links { display: none; }
}
@media (max-width: 560px) {
	.grid-3 { grid-template-columns: 1fr; }
	.steps { grid-template-columns: 1fr; }
	.footer-grid { grid-template-columns: 1fr; }
	.hero-cta { flex-direction: column; align-items: stretch; }
	.hero-cta .btn { justify-content: center; }
}