/*
 * Doctor Academy — landing styles.
 * Ported from the React mockup (app.jsx), spectrum palette + serif headlines.
 * Alpha hex like #0B102012 = ink at ~7% (matches the mockup's `ink + "12"`).
 */

:root {
	--da-bg: #FFFFFF;
	--da-panel: #F7F8FB;
	--da-ink: #0B1020;
	--da-sub: #5B6378;
	--da-accent: oklch(58% .26 280);
	--da-accent-ink: #FFFFFF;
	--da-grad: linear-gradient(135deg, oklch(70% .2 195), oklch(62% .23 230) 30%, oklch(58% .26 280) 60%, oklch(65% .26 305));
	--da-grad-soft: linear-gradient(135deg, oklch(70% .2 195 / 0.12), oklch(62% .23 230 / 0.12) 30%, oklch(58% .26 280 / 0.12) 60%, oklch(65% .26 305 / 0.12));
	--da-dark-bg: #0B1020;
	--da-dark-panel: #141A2E;
	--da-dark-ink: #FFFFFF;
	--da-dark-sub: #8891A8;
	--da-serif: "Newsreader", Georgia, serif;
	--da-sans: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
	--da-mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

@keyframes da-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

/* Reset the underscores chrome for the one-page layout. */
body.doc-academy-landing,
body {
	font-family: var(--da-sans);
	color: var(--da-ink);
	background: var(--da-bg);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}
.doc-academy-landing #page { max-width: none; margin: 0; }
.da * { box-sizing: border-box; }

.da-grad-text {
	background: var(--da-grad);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	-webkit-text-fill-color: transparent;
	font-style: italic;
}
.da-emph { color: var(--da-accent); font-style: italic; }

/* Shared button */
.da-btn {
	display: inline-block;
	background: var(--da-grad);
	color: var(--da-accent-ink);
	text-decoration: none;
	border-radius: 999px;
	font-weight: 500;
	box-shadow: 0 6px 18px oklch(58% .26 280 / 0.35);
	transition: transform .15s ease, box-shadow .15s ease;
}
.da-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 26px oklch(58% .26 280 / 0.4); }
.da-btn--sm { padding: 10px 18px; font-size: 13px; }
.da-btn--md { padding: 16px 28px; font-size: 15px; }
.da-btn--lg { padding: 18px 34px; font-size: 16px; }

.da-eyebrow {
	font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
	color: var(--da-sub); margin-bottom: 14px;
}

/* ---------- Nav ---------- */
.da-nav {
	display: flex; align-items: center; justify-content: space-between;
	padding: 22px 48px; border-bottom: 1px solid #0B102010;
	position: sticky; top: 0; background: #FFFFFFee;
	-webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); z-index: 10;
}
.da-nav__brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.da-logo {
	width: 28px; height: 28px; border-radius: 6px; background: var(--da-grad);
	display: grid; place-items: center; color: var(--da-accent-ink);
	font-family: var(--da-serif); font-weight: 500; font-size: 18px; line-height: 1;
	box-shadow: 0 4px 14px oklch(58% .26 280 / 0.35);
}
.da-wordmark { font-family: var(--da-serif); font-size: 19px; letter-spacing: -0.01em; color: var(--da-ink); }
.da-nav__links { display: flex; align-items: center; gap: 28px; font-size: 14px; color: var(--da-sub); }
.da-nav__links a { color: inherit; text-decoration: none; }
.da-nav__links a.da-btn { color: var(--da-accent-ink); }

/* ---------- Member badge ---------- */
.da-member-badge {
	display: inline-flex; align-items: center; gap: 10px;
	padding: 6px 14px 6px 8px; border-radius: 999px;
	background: var(--da-grad-soft); border: 1px solid #0B102012;
	font-size: 12.5px; color: var(--da-sub); letter-spacing: 0.01em;
}
.da-member-badge__dots { display: flex; }
.da-member-badge__dots span {
	width: 18px; height: 18px; border-radius: 999px; background: var(--da-grad);
	border: 1.5px solid var(--da-bg); display: inline-block;
}
.da-member-badge__dots span + span { margin-left: -6px; }
.da-member-badge__dots span:nth-child(1) { opacity: .6; }
.da-member-badge__dots span:nth-child(2) { opacity: .8; }
.da-member-badge strong { color: var(--da-ink); font-weight: 500; }

/* ---------- Hero (centered) ---------- */
.da-hero { padding: 100px 48px 120px; text-align: center; max-width: 1100px; margin: 0 auto; }
.da-hero__badge { margin-bottom: 28px; }
.da-hero__title {
	font-family: var(--da-serif); font-weight: 400;
	font-size: clamp(52px, 7vw, 104px); line-height: 1.0;
	letter-spacing: -0.03em; color: var(--da-ink); margin: 0 0 28px;
	text-wrap: balance;
}
.da-hero__sub {
	font-size: 20px; line-height: 1.5; color: var(--da-sub);
	max-width: 620px; margin: 0 auto 40px; text-wrap: pretty;
}
.da-hero__cta { display: flex; gap: 14px; align-items: center; justify-content: center; }
.da-link-underline {
	color: var(--da-ink); padding: 16px 18px; text-decoration: none;
	font-size: 15px; border-bottom: 1px solid #0B102030;
}

/* Hero proof cards */
.da-hero__visual {
	margin-top: 80px; display: grid; grid-template-columns: repeat(3, 1fr);
	gap: 16px; max-width: 980px; margin-inline: auto;
}
.da-proof-card {
	background: var(--da-panel); border-radius: 14px; padding: 22px 22px 20px;
	border: 1px solid #0B102010; text-align: left;
	box-shadow: 0 8px 30px oklch(58% .26 280 / 0.08);
	transform: translateY(12px);
}
.da-proof-card:nth-child(2) { transform: translateY(0); }
.da-proof-card__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.da-proof-card__id { display: flex; align-items: center; gap: 10px; }
.da-proof-card__avatar { width: 28px; height: 28px; border-radius: 999px; background: var(--da-grad); }
.da-proof-card__name { font-size: 13.5px; color: var(--da-ink); font-weight: 500; }
.da-proof-card__tag {
	font-size: 11px; color: oklch(58% .26 280); background: var(--da-grad-soft);
	padding: 3px 9px; border-radius: 999px; letter-spacing: 0.02em; font-weight: 500;
}
.da-proof-card p { font-size: 14.5px; line-height: 1.45; color: var(--da-sub); margin: 0; }

/* ---------- Inside (pillars) ---------- */
.da-inside { padding: 110px 48px; border-top: 1px solid #0B102010; }
.da-inside__inner { max-width: 1240px; margin: 0 auto; }
.da-inside__head {
	display: flex; align-items: flex-end; justify-content: space-between;
	margin-bottom: 56px; flex-wrap: wrap; gap: 24px;
}
.da-h2 {
	font-family: var(--da-serif); font-weight: 400;
	font-size: clamp(36px, 4vw, 56px); line-height: 1.05;
	letter-spacing: -0.02em; color: var(--da-ink); margin: 0;
	text-wrap: balance; max-width: 760px;
}
.da-inside__note { font-size: 14px; color: var(--da-sub); max-width: 280px; line-height: 1.55; }
.da-inside__note strong { color: var(--da-ink); font-weight: 500; }

.da-pillars {
	display: grid; grid-template-columns: repeat(4, 1fr);
	grid-auto-rows: minmax(220px, auto); gap: 16px;
}
.da-pillar {
	background: var(--da-bg); border: 1px solid #0B102012; border-radius: 14px;
	padding: 26px 24px; grid-column: span 1;
	display: flex; flex-direction: column; position: relative; overflow: hidden;
	transition: border-color .2s, transform .2s;
}
.da-pillar:hover { border-color: oklch(58% .26 280 / 0.4); transform: translateY(-2px); }
.da-pillar--featured { grid-column: span 2; padding: 28px 28px 24px; }
.da-pillar__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.da-pillar__kicker { font-family: var(--da-serif); font-style: italic; font-size: 14px; }
.da-pillar__badge {
	font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--da-sub);
	padding: 3px 8px; border-radius: 999px; border: 1px solid #0B102015;
}
.da-pillar h3 {
	font-family: var(--da-serif); font-weight: 400; font-size: 21px; color: var(--da-ink);
	margin: 0 0 10px; letter-spacing: -0.015em; line-height: 1.15;
}
.da-pillar--featured h3 { font-size: 26px; }
.da-pillar p { font-size: 14.5px; line-height: 1.55; color: var(--da-sub); margin: 0; }
.da-pillar--featured p { font-size: 15px; max-width: 380px; }
.da-pillar__visual { margin-top: 22px; }

/* Pillar visual: onboarding checklist */
.da-vis-card {
	background: var(--da-bg); border-radius: 10px; padding: 16px 18px;
	border: 1px solid #0B102010; box-shadow: 0 8px 24px #0B102006;
}
.da-vis-card__top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.da-vis-card__label { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--da-sub); white-space: nowrap; }
.da-vis-card__count { font-size: 11px; color: var(--da-sub); }
.da-vis-progress { height: 4px; border-radius: 4px; background: #0B102010; margin-bottom: 16px; overflow: hidden; }
.da-vis-progress span { display: block; width: 50%; height: 100%; background: var(--da-grad); }
.da-vis-step { display: flex; align-items: center; gap: 10px; padding: 7px 0; }
.da-vis-step + .da-vis-step { border-top: 1px solid #0B102008; }
.da-vis-check {
	width: 16px; height: 16px; border-radius: 999px; flex-shrink: 0;
	display: grid; place-items: center; color: var(--da-accent-ink); font-size: 9px; font-weight: 700;
	border: 1.5px solid #0B102025;
}
.da-vis-step--done .da-vis-check { background: var(--da-grad); border: none; }
.da-vis-step span.da-vis-label { font-size: 12.5px; color: var(--da-ink); }
.da-vis-step--done span.da-vis-label { color: var(--da-sub); text-decoration: line-through; text-decoration-color: #5B637860; }

/* Pillar visual: AI terminal */
.da-vis-ai { font-family: var(--da-mono); }
.da-vis-ai__head { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.da-vis-ai__dot { width: 8px; height: 8px; border-radius: 999px; background: oklch(70% .2 145); }
.da-vis-ai__file { font-size: 11px; color: var(--da-sub); letter-spacing: 0.05em; }
.da-vis-ai__prompt { font-size: 12.5px; line-height: 1.55; color: var(--da-sub); margin-bottom: 8px; }
.da-vis-ai__prompt em { color: oklch(58% .26 280); font-style: normal; }
.da-vis-ai__out {
	font-size: 13px; line-height: 1.6; color: var(--da-ink);
	padding: 10px 12px; border-radius: 6px; background: var(--da-grad-soft);
	border-left: 2px solid oklch(58% .26 280);
}
.da-vis-ai__caret {
	display: inline-block; width: 6px; height: 14px; background: var(--da-ink);
	margin-left: 2px; vertical-align: -2px; animation: da-blink 1s steps(2) infinite;
}
.da-vis-ai__foot { display: flex; gap: 12px; margin-top: 14px; font-size: 11px; color: var(--da-sub); }
.da-vis-ai__send { margin-left: auto; color: oklch(58% .26 280); font-weight: 600; }

/* Pillar visual: network dots */
.da-vis-net { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
.da-vis-net span { aspect-ratio: 1; border-radius: 999px; background: var(--da-panel); border: 1px solid #0B102010; }
.da-vis-net span.da-vis-net--t0 { background: oklch(70% .2 195); opacity: .9; }
.da-vis-net span.da-vis-net--t1 { background: oklch(65% .26 305); opacity: .9; }
.da-vis-net span.da-vis-net--t2 { background: oklch(58% .26 280); opacity: .9; }
.da-vis-net span.da-vis-net--t3 { background: oklch(62% .23 230); opacity: .9; }
.da-vis-net span.da-vis-net--t4 { background: oklch(70% .15 25); opacity: .9; }

/* ---------- How it works (dark) ---------- */
.da-how {
	padding: 110px 48px; background: var(--da-dark-bg); color: var(--da-dark-ink);
	border-top: 1px solid #0B102010; position: relative; overflow: hidden;
}
.da-how__glow {
	position: absolute; inset: 0; pointer-events: none;
	background: radial-gradient(circle at 85% 10%, oklch(58% .26 280 / 0.35), transparent 55%),
		radial-gradient(circle at 10% 90%, oklch(70% .2 195 / 0.25), transparent 55%);
}
.da-how__inner { max-width: 1240px; margin: 0 auto; position: relative; }
.da-how__head { margin-bottom: 64px; }
.da-how .da-h2, .da-how__title { color: var(--da-dark-ink); }
.da-how .da-eyebrow { color: var(--da-dark-sub); }
.da-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.da-step { position: relative; padding-top: 32px; }
.da-step__line { position: absolute; top: 0; left: 0; right: 0; height: 1px; background: #FFFFFF22; }
.da-step:first-child .da-step__line { background: var(--da-grad); }
.da-step__dot {
	position: absolute; top: -7px; left: 0; width: 14px; height: 14px; border-radius: 999px;
	background: var(--da-grad); box-shadow: 0 0 0 4px oklch(58% .26 280 / 0.15);
}
.da-step__n { font-family: var(--da-serif); font-style: italic; font-size: 14px; margin-bottom: 14px; }
.da-step h3 {
	font-family: var(--da-serif); font-weight: 400; font-size: 30px; color: var(--da-dark-ink);
	margin: 0 0 14px; letter-spacing: -0.015em; line-height: 1.15;
}
.da-step p { font-size: 15.5px; line-height: 1.55; color: var(--da-dark-sub); margin: 0; max-width: 320px; }

/* ---------- Team ---------- */
.da-team { padding: 100px 48px; background: var(--da-panel); border-top: 1px solid #0B102012; border-bottom: 1px solid #0B102012; }
.da-team__inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.da-team__photo {
	aspect-ratio: 4/5; border-radius: 8px; border: 1px solid #0B102015;
	background: repeating-linear-gradient(135deg, #0B102008 0 12px, #0B102003 12px 24px);
	display: grid; place-items: center; font-family: var(--da-mono); font-size: 12px; color: var(--da-sub);
	overflow: hidden;
}
.da-team__photo img { width: 100%; height: 100%; object-fit: cover; }
.da-team p { font-size: 17px; line-height: 1.55; color: var(--da-sub); max-width: 540px; }
.da-team p + p { margin-top: 16px; }
.da-team .da-h2 { margin-bottom: 24px; }

/* ---------- Quotes ---------- */
.da-quotes { padding: 100px 48px; background: var(--da-panel); border-top: 1px solid #0B102012; border-bottom: 1px solid #0B102012; }
.da-quotes__inner { max-width: 1240px; margin: 0 auto; }
.da-quotes__head { margin-bottom: 56px; }
.da-quotes__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.da-quote {
	margin: 0; background: var(--da-bg); padding: 32px 28px 28px; border-radius: 10px;
	border: 1px solid #0B102010; display: flex; flex-direction: column; gap: 24px;
}
.da-quote__mark { font-family: var(--da-serif); font-size: 56px; line-height: 0.5; height: 24px; color: transparent; background: var(--da-grad); -webkit-background-clip: text; background-clip: text; }
.da-quote blockquote {
	margin: 0; font-family: var(--da-serif); font-weight: 400; font-size: 20px; line-height: 1.35;
	color: var(--da-ink); letter-spacing: -0.005em; text-wrap: pretty; flex: 1;
}
.da-quote figcaption { display: flex; align-items: center; gap: 12px; padding-top: 18px; border-top: 1px solid #0B102012; }
.da-quote__avatar { width: 36px; height: 36px; border-radius: 999px; border: 1px solid #0B102012; background: repeating-linear-gradient(135deg, #0B102010 0 6px, #0B102004 6px 12px); }
.da-quote__name { display: block; font-size: 13.5px; color: var(--da-ink); font-weight: 500; }
.da-quote__role { display: block; font-size: 12.5px; color: var(--da-sub); margin-top: 2px; }
.da-quotes__hint { margin-top: 28px; font-size: 12px; color: var(--da-sub); font-style: italic; opacity: .7; }

/* ---------- Final CTA ---------- */
.da-cta { padding: 120px 48px; }
.da-cta__card {
	max-width: 1100px; margin: 0 auto; background: var(--da-dark-bg); color: var(--da-dark-ink);
	border-radius: 20px; padding: 80px 64px; position: relative; overflow: hidden;
}
.da-cta__blob1 { position: absolute; top: -120px; right: -120px; width: 480px; height: 480px; border-radius: 50%; background: radial-gradient(circle, oklch(58% .26 280 / 0.55), transparent 65%); pointer-events: none; filter: blur(8px); }
.da-cta__blob2 { position: absolute; bottom: -160px; left: -80px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, oklch(70% .2 195 / 0.4), transparent 65%); pointer-events: none; filter: blur(8px); }
.da-cta__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; position: relative; }
.da-cta .da-eyebrow { color: var(--da-dark-sub); margin-bottom: 18px; }
.da-cta__title {
	font-family: var(--da-serif); font-weight: 400; font-size: clamp(42px, 5vw, 68px); line-height: 1.02;
	letter-spacing: -0.025em; margin: 0 0 24px; text-wrap: balance; color: var(--da-dark-ink);
}
.da-cta__sub { font-size: 18px; line-height: 1.5; color: var(--da-dark-sub); margin: 0 0 40px; max-width: 520px; }
.da-cta__actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.da-cta__note { font-size: 13.5px; color: var(--da-dark-sub); }
.da-cta__panel { background: #FFFFFF08; border: 1px solid #FFFFFF15; border-radius: 12px; padding: 28px 28px 26px; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.da-cta__panel .da-eyebrow { margin-bottom: 18px; }
.da-cta__item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; }
.da-cta__item + .da-cta__item { border-top: 1px solid #FFFFFF15; }
.da-cta__check {
	width: 20px; height: 20px; border-radius: 999px; background: var(--da-grad); color: var(--da-accent-ink);
	display: grid; place-items: center; font-size: 11px; font-weight: 600; flex-shrink: 0; margin-top: 2px;
}
.da-cta__item span:last-child { font-size: 14.5px; line-height: 1.4; color: var(--da-dark-ink); }

/* ---------- Footer ---------- */
.da-footer { padding: 80px 48px 40px; border-top: 1px solid #0B102012; }
.da-footer__inner { max-width: 1240px; margin: 0 auto; }
.da-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 64px; }
.da-footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.da-footer__brand .da-logo { width: 36px; height: 36px; font-size: 22px; }
.da-footer__brand .da-wordmark { font-size: 22px; }
.da-footer__blurb { font-size: 14.5px; line-height: 1.55; color: var(--da-sub); margin: 0 0 20px; max-width: 360px; }
.da-footer__col-title { font-size: 11.5px; letter-spacing: 0.14em; color: var(--da-sub); text-transform: uppercase; margin-bottom: 18px; font-weight: 500; }
.da-footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.da-footer__col a { color: var(--da-ink); text-decoration: none; font-size: 14px; line-height: 1.4; transition: color .15s; }
.da-footer__col a:hover { color: var(--da-accent); }
.da-footer__bar { padding-top: 28px; border-top: 1px solid #0B102012; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--da-sub); flex-wrap: wrap; gap: 12px; }
.da-footer__tagline { font-style: italic; font-family: var(--da-serif); }

/* ---------- Responsive (ported from mockup) ---------- */
@media (max-width: 900px) {
	.da-nav { padding: 16px 20px; }
	.da-nav__links a:not(.da-btn) { display: none; }
	.da-hero, .da-inside, .da-how, .da-team, .da-quotes, .da-cta, .da-footer { padding-left: 20px; padding-right: 20px; }
	.da-hero__title { font-size: clamp(40px, 11vw, 64px); }
	.da-pillars { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; }
	.da-pillar, .da-pillar--featured { grid-column: span 1; }
	.da-team__inner { grid-template-columns: 1fr; gap: 40px; }
	.da-steps { grid-template-columns: 1fr; gap: 32px; }
	.da-quotes__grid { grid-template-columns: 1fr; }
	.da-cta__grid { grid-template-columns: 1fr; gap: 40px; }
	.da-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
	.da-hero__visual { grid-template-columns: 1fr; max-width: 460px; }
	.da-proof-card { transform: none; }
}
@media (max-width: 560px) {
	.da-pillars { grid-template-columns: 1fr; }
	.da-footer__grid { grid-template-columns: 1fr; }
}