/* =========================================================================
   StrideFi marketing site — shared styles.
   Warm editorial light default; dark variant via prefers-color-scheme.
   Tokens mirror the app design system (design system/DESIGN_SYSTEM.md §2).
   Self-contained: fonts served locally from /fonts, no external CDNs.
   ========================================================================= */

/* ---- Local brand fonts (OFL, bundled in /fonts) ---- */
@font-face {
  font-family: "Schibsted Grotesk";
  src: url("/fonts/SchibstedGrotesk-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Schibsted Grotesk";
  src: url("/fonts/SchibstedGrotesk-ExtraBold.ttf") format("truetype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Schibsted Grotesk";
  src: url("/fonts/SchibstedGrotesk-Black.ttf") format("truetype");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("/fonts/Newsreader-Italic-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/IBMPlexMono-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/IBMPlexMono-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ---- Tokens — warm light default ---- */
:root {
  --bg: #EEEAE0;            /* warm cream */
  --bg-tint: #E7E1D4;       /* slightly deeper cream for alt bands */
  --surface: #FFFFFF;
  --surface-2: #FBF9F4;
  --card-border: rgba(12,26,40,.07);
  --separator: rgba(12,26,40,.08);
  --control-border: rgba(12,26,40,.14);

  --text: #0C1A28;          /* deep navy ink */
  --text-muted: #5D6E74;
  --text-tertiary: #7C8A8F;

  --gold: #B4892A;          /* signature accent (light) */
  --gold-fill: #E6B24A;
  --gold-ink: #211703;
  --gold-soft: rgba(230,178,74,.20);
  --gold-line: rgba(180,137,42,.34);

  --teal: #0E9384;          /* secondary / data accent */
  --teal-soft: rgba(14,147,132,.12);
  --positive: #1F9D66;
  --negative: #D64D45;

  --track: rgba(12,26,40,.08);

  --radius: 16px;
  --radius-lg: 22px;
  --max-width: 1120px;

  --font-display: "Schibsted Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --shadow-card: 0 1px 2px rgba(12,26,40,.04), 0 10px 30px rgba(12,26,40,.06);
  --shadow-device: 0 24px 60px rgba(12,26,40,.22), 0 4px 12px rgba(12,26,40,.12);
  --hero-glow: radial-gradient(120% 90% at 80% -10%, rgba(230,178,74,.20), transparent 55%),
               radial-gradient(90% 80% at 0% 0%, rgba(14,147,132,.10), transparent 50%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A141C;            /* app navy */
    --bg-tint: #0C1922;
    --surface: #10222E;
    --surface-2: #122733;
    --card-border: rgba(255,255,255,.07);
    --separator: rgba(255,255,255,.09);
    --control-border: rgba(255,255,255,.12);

    --text: #F3EFE6;         /* ivory */
    --text-muted: #8FB0B8;
    --text-tertiary: #5E7982;

    --gold: #E6B24A;
    --gold-fill: #E6B24A;
    --gold-soft: rgba(230,178,74,.16);
    --gold-line: rgba(230,178,74,.32);

    --teal: #17B7A0;
    --teal-soft: rgba(23,183,160,.14);
    --positive: #4CC38A;
    --negative: #F0655D;

    --track: rgba(255,255,255,.10);

    --shadow-card: 0 1px 2px rgba(0,0,0,.4), 0 12px 34px rgba(0,0,0,.34);
    --shadow-device: 0 30px 70px rgba(0,0,0,.55), 0 6px 16px rgba(0,0,0,.4);
    --hero-glow: radial-gradient(120% 90% at 80% -10%, rgba(230,178,74,.14), transparent 55%),
                 radial-gradient(90% 80% at 0% 0%, rgba(23,183,160,.10), transparent 50%);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--gold); text-decoration-color: var(--gold-line); text-underline-offset: 2px; }
a:hover { color: var(--text); }

::selection { background: var(--gold-soft); color: var(--text); }

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

/* ---- Shared typographic atoms ---- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.eyebrow.gold { color: var(--gold); }

.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
}

/* ---- Nav ---- */
.site-nav {
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  /* Mostly-opaque so the nav reads cleanly even where backdrop-filter is
     unsupported or disabled; the blur is progressive enhancement. */
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  z-index: 20;
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
/* Wordmark 7a — "Stride" grotesk + "Fi" serif italic GOLD (matches the app), snug */
.brand [data-brand="name"] { position: relative; }
.brand-mark-img {
  width: 34px;
  height: 34px;
  border-radius: 8px; /* app-icon squircle; PNG itself is square */
  flex: none;
  display: block;
}
.wordmark em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--gold);
  margin-left: 1px;
}
.hero-logo {
  width: 112px;
  height: 112px;
  border-radius: 26px; /* app-icon squircle; PNG itself is square */
  margin: 0 auto 22px;
  display: block;
  box-shadow: 0 12px 34px rgba(12,26,40,.22);
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(145deg, var(--gold-fill), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-ink);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  flex: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35);
}
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--text); }
@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) { display: none; }
}
.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.74rem !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold) !important;
  border: 1px solid var(--gold-line);
  border-radius: 999px;
  padding: 7px 14px;
}
.nav-cta:hover { background: var(--gold-soft); color: var(--gold) !important; }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 92px 0 72px;
  text-align: center;
  overflow: hidden;
  background: var(--hero-glow);
}
.hero .eyebrow { margin-bottom: 22px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0 auto 22px;
  max-width: 14ch;
}
.hero h1 .accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: -0.01em;
}
.hero p.lede {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-meta {
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.hero-meta .sep { opacity: .5; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--gold-fill);
  color: var(--gold-ink);
  box-shadow: 0 6px 18px rgba(230,178,74,.30);
}
.btn-primary:hover { color: var(--gold-ink); box-shadow: 0 8px 22px rgba(230,178,74,.42); }
.btn-ghost {
  background: transparent;
  border-color: var(--control-border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--text); background: var(--gold-soft); }

/* ---- Sections ---- */
section { padding: 84px 0; position: relative; }
section.alt {
  background: var(--bg-tint);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}
.section-head { max-width: 680px; margin: 0 auto 52px; }
.section-head.center { text-align: center; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0 0 14px;
}
.section-head p {
  color: var(--text-muted);
  margin: 0;
  font-size: 1.08rem;
}
.section-head p .serif-em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text);
}

/* ---- Feature grid ---- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-card);
  transition: transform .15s ease, box-shadow .15s ease;
}
.feature-card:hover { transform: translateY(-3px); }
.feature-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--gold-soft);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
}
.feature-card .kicker {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  display: block;
  margin-bottom: 6px;
}
.feature-card h3 {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  margin: 0 0 10px;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.feature-card p { margin: 0; color: var(--text-muted); font-size: 0.96rem; }

/* ---- Pull quote (editorial) ---- */
.pullquote {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.pullquote blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0;
}
.pullquote blockquote .hl { color: var(--gold); }
.pullquote .attrib {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ---- Privacy section ---- */
.privacy-block {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 44px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  box-shadow: var(--shadow-card);
}
@media (min-width: 760px) {
  .privacy-block { grid-template-columns: 1fr 1fr; gap: 30px 44px; }
}
.privacy-point { display: flex; gap: 16px; }
.privacy-point .dot {
  flex: none;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--teal);
  margin-top: 9px;
  box-shadow: 0 0 0 4px var(--teal-soft);
}
.privacy-point h4 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.privacy-point p { margin: 0; color: var(--text-muted); font-size: 0.94rem; }

/* ---- Screenshots ---- */
.screens {
  display: flex;
  gap: 34px;
  overflow-x: auto;
  padding: 16px 4px 28px;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}
.screens::-webkit-scrollbar { display: none; }
.device-frame {
  flex: none;
  width: 236px;
  scroll-snap-align: center;
}
.device-shell {
  width: 236px;
  height: 480px;
  border-radius: 42px;
  border: 9px solid #0C1A28;
  background: #0A141C;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-device);
}
@media (prefers-color-scheme: dark) {
  .device-shell { border-color: #05323b; }
}
.device-shell .notch {
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 92px; height: 22px;
  background: #0C1A28;
  border-radius: 0 0 14px 14px;
  z-index: 2;
}
.placeholder-art {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0A141C;
}
.placeholder-art img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.device-caption {
  text-align: center;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ---- Beta / waitlist ---- */
.waitlist-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.waitlist-card .eyebrow { margin-bottom: 12px; }
.waitlist-card h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.025em;
  margin: 0 0 12px;
}
.waitlist-card > p { color: var(--text-muted); margin: 0 auto; max-width: 420px; }
.waitlist-form {
  display: flex;
  gap: 10px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.waitlist-form input[type="email"] {
  flex: 1 1 220px;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid var(--control-border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-sans);
  min-width: 0;
}
.waitlist-form input[type="email"]::placeholder { color: var(--text-tertiary); }
.waitlist-form input[type="email"]:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
  border-color: transparent;
}
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
  min-height: 1.2em;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.form-status.ok { color: var(--positive); }
.form-status.err { color: var(--negative); }
.fine-print { margin-top: 16px; font-size: 0.78rem; color: var(--text-tertiary); }

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--card-border);
  padding: 44px 0;
  color: var(--text-muted);
  font-size: 0.86rem;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
footer a { color: var(--text-muted); text-decoration: none; }
footer a:hover { color: var(--text); }
footer .foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
footer .foot-mono { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.04em; }

/* ---- Legal doc pages ---- */
.doc {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 88px;
}
.doc a.back {
  display: inline-block;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.doc h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.7rem);
  letter-spacing: -0.03em;
  margin: 0 0 6px;
}
.doc .doc-meta {
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 40px;
}
.doc h2 {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin-top: 44px;
  margin-bottom: 12px;
  color: var(--text);
}
.doc p, .doc li { color: var(--text); font-size: 1.02rem; }
.doc p { color: var(--text-muted); }
.doc li { color: var(--text-muted); margin-bottom: 6px; }
.doc strong { color: var(--text); }
.doc ul { padding-left: 22px; }
.doc code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--gold-soft);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--text);
}
.doc .callout {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-left: 3px solid var(--gold);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 28px 0;
  font-size: 0.98rem;
  color: var(--text-muted);
  box-shadow: var(--shadow-card);
}
.doc .callout strong { color: var(--text); }

@media (max-width: 480px) {
  .privacy-block { padding: 28px; }
  .waitlist-card { padding: 30px 24px; }
  section { padding: 60px 0; }
  .hero { padding: 68px 0 56px; }
}

/* Foot-line under the merged about grid */
.section-foot {
  text-align: center;
  margin-top: 34px;
  font-size: 0.95rem;
  color: var(--text-muted);
}


/* ---- Mobile alignment (owner feedback 2026-07-21) ---- */
@media (max-width: 720px) {
  .feature-card { text-align: center; }
  .feature-card .icon { margin-left: auto; margin-right: auto; }
  .waitlist-form { justify-content: center; }
  .waitlist-form .btn { margin-left: auto; margin-right: auto; }
}