/* ──────────────────────────────────────────────────────────────
   TensorFit — editorial redesign
   Four variants driven by [data-variant] on <html>.
   1. vanguard — dark, near-monochrome ink, single pink hairline
   2. signal   — dark navy, brand pink + cyan present
   3. daylight — light warm paper, ink text, pink accent
   4. press    — light, serif editorial headlines
   ────────────────────────────────────────────────────────────── */

:root {
  --bg:        #0a0c11;
  --bg-2:      #0e1117;
  --text:      #eef1f6;
  --muted:     #9aa3b2;
  --dim:       #5b6271;
  --line:      rgba(255,255,255,0.10);
  --line-2:    rgba(255,255,255,0.18);
  --accent:    #ff4d8f;
  --accent-2:  #ff4d8f;
  --on-accent: #ffffff;
  --phone-bezel: #16181d;
  --phone-ring:  rgba(255,255,255,0.12);

  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body:    'Archivo', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;
  --display-weight: 800;
  --display-style:  normal;
  --display-tracking: -0.02em;
  --display-italic: normal;

  --maxw: 1240px;
  --gutter: 40px;
}

/* ── 2. SIGNAL — dark navy, brand color present ───────────────── */
[data-variant="signal"] {
  --bg:        #050912;
  --bg-2:      #0b1421;
  --text:      #e7eef9;
  --muted:     #aab4c8;
  --dim:       #6f7a91;
  --line:      rgba(255,255,255,0.10);
  --line-2:    rgba(255,255,255,0.20);
  --accent:    #ff4d8f;
  --accent-2:  #5ed4ff;
  --on-accent: #ffffff;
  --phone-bezel: #12161d;
  --phone-ring:  rgba(255,255,255,0.14);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Space Grotesk', system-ui, sans-serif;
  --display-weight: 700;
  --display-tracking: -0.03em;
}

/* ── 3. DAYLIGHT — light warm paper ───────────────────────────── */
[data-variant="daylight"] {
  --bg:        #f3f1ec;
  --bg-2:      #ffffff;
  --text:      #16181d;
  --muted:     #565d68;
  --dim:       #8b919c;
  --line:      rgba(0,0,0,0.12);
  --line-2:    rgba(0,0,0,0.22);
  --accent:    #e5286f;
  --accent-2:  #e5286f;
  --on-accent: #ffffff;
  --phone-bezel: #1a1c20;
  --phone-ring:  rgba(0,0,0,0.16);
  --font-display: 'Hanken Grotesk', system-ui, sans-serif;
  --font-body:    'Hanken Grotesk', system-ui, sans-serif;
  --display-weight: 800;
  --display-tracking: -0.03em;
}

/* ── 4. PRESS — light, serif editorial headlines ──────────────── */
[data-variant="press"] {
  --bg:        #f6f3ec;
  --bg-2:      #fffdf8;
  --text:      #1b1714;
  --muted:     #5e564e;
  --dim:       #94897d;
  --line:      rgba(20,12,6,0.13);
  --line-2:    rgba(20,12,6,0.26);
  --accent:    #c8324f;
  --accent-2:  #c8324f;
  --on-accent: #ffffff;
  --phone-bezel: #211c18;
  --phone-ring:  rgba(0,0,0,0.18);
  --font-display: 'Newsreader', Georgia, serif;
  --font-body:    'Hanken Grotesk', system-ui, sans-serif;
  --display-weight: 500;
  --display-tracking: -0.01em;
  --display-italic: normal;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}
::selection { background: var(--accent); color: var(--on-accent); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
@media (max-width: 720px) { :root { --gutter: 22px; } }

/* Section rhythm */
.sec { padding: 96px 0; position: relative; }
.sec--tight { padding: 64px 0; }
@media (max-width: 720px) { .sec { padding: 60px 0; } .sec--tight { padding: 44px 0; } }

/* Hairline rule */
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ── Monospace bracket label ──────────────────────────────────── */
.label {
  display: inline-flex; align-items: baseline; gap: 0.5ch;
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.label .bk { color: var(--accent); }
.label .ix { color: var(--dim); margin-right: 0.4ch; }

/* ── Display headline ─────────────────────────────────────────── */
.display {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-style: var(--display-italic);
  letter-spacing: var(--display-tracking);
  line-height: 1.0;
  margin: 0;
  text-wrap: balance;
}
.h1 { font-size: clamp(44px, 7.4vw, 104px); }
.h2 { font-size: clamp(34px, 5vw, 66px); }
.h3 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.05; }
[data-variant="press"] .h1 { line-height: 1.0; }
[data-variant="press"] .display em { font-style: italic; color: var(--accent); }

.lede {
  font-family: var(--font-body);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55; color: var(--muted);
  max-width: 60ch; font-weight: 400;
}
.body { font-size: 16px; line-height: 1.6; color: var(--muted); }
.text { color: var(--text); }
.accent { color: var(--accent); }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
  padding: 13px 20px; border-radius: 4px;
  text-decoration: none; cursor: pointer; border: 1px solid var(--line-2);
  color: var(--text); background: transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn--solid { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn--solid:hover { filter: brightness(1.06); }
.btn--ghost:hover { border-color: var(--text); }

/* ── Spec table ───────────────────────────────────────────────── */
.spec { border-top: 1px solid var(--line-2); }
.spec__row {
  display: grid; grid-template-columns: minmax(120px, 0.6fr) 1.4fr;
  gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.spec__k {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.02em; color: var(--dim);
}
.spec__v { font-size: 16px; color: var(--text); line-height: 1.45; }
.spec__v b { font-weight: 600; }

/* ── Numbered editorial rows ──────────────────────────────────── */
.num { border-top: 1px solid var(--line-2); }
.num__row {
  display: grid; grid-template-columns: 70px 1fr; gap: 28px;
  padding: 34px 0; border-bottom: 1px solid var(--line);
}
.num__n {
  font-family: var(--font-mono); font-size: 15px; font-weight: 500;
  color: var(--accent); padding-top: 4px; letter-spacing: 0.02em;
}
.num__t { font-family: var(--font-display); font-weight: var(--display-weight); font-style: var(--display-italic); letter-spacing: var(--display-tracking); font-size: clamp(22px, 2.6vw, 30px); line-height: 1.04; margin: 0; }
.num__b { margin: 12px 0 0; max-width: 56ch; font-size: 15.5px; line-height: 1.6; color: var(--muted); }
@media (max-width: 600px) { .num__row { grid-template-columns: 1fr; gap: 12px; } }

/* ── Panel (light surface card) ───────────────────────────────── */
.panel {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
}

/* ── Phone ────────────────────────────────────────────────────── */
.phone {
  position: relative; width: 100%; max-width: 300px;
  aspect-ratio: 1185 / 2580;
  background: var(--phone-bezel);
  border-radius: 38px; padding: 8px;
  box-shadow:
    0 0 0 1px var(--phone-ring),
    0 30px 60px -28px rgba(0,0,0,0.55);
}
.phone__screen { position: relative; width: 100%; height: 100%; border-radius: 30px; overflow: hidden; background: #05070d; }
.phone__screen img { width: 100%; height: 100%; object-fit: cover; display: block; }
.phone--lg { max-width: 340px; }

/* index / capability strip */
.idx {
  display: flex; flex-wrap: wrap; gap: 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.idx__item {
  flex: 1 1 200px; padding: 22px 0; padding-right: 28px;
  border-right: 1px solid var(--line);
}
.idx__item:last-child { border-right: 0; }
.idx__n { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; }
.idx__t { margin-top: 10px; font-size: 15px; color: var(--text); font-weight: 600; }
.idx__s { margin-top: 4px; font-size: 13.5px; color: var(--muted); line-height: 1.45; }
@media (max-width: 720px) {
  .idx__item { flex-basis: 100%; border-right: 0; border-bottom: 1px solid var(--line); padding: 18px 0; }
  .idx__item:last-child { border-bottom: 0; }
}

/* ── Store badges (App Store / Google Play) ───────────────────── */
.store-badge {
  display: inline-flex; align-items: center; gap: 12px;
  background: #000; color: #fff;
  border: 0;
  border-radius: 13px; padding: 10px 18px; min-height: 58px;
  text-decoration: none;
  transition: transform 0.15s ease, filter 0.2s ease;
}
.store-badge:hover { transform: translateY(-1px); filter: brightness(1.12); }
.store-badge__txt { display: flex; flex-direction: column; line-height: 1; text-align: left; }
.store-badge__sm { font-size: 12px; letter-spacing: 0.01em; opacity: 0.95; }
.store-badge__lg { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; margin-top: 3px; }
/* On light themes give the black pill a touch of separation */
[data-variant="daylight"] .store-badge,
[data-variant="press"] .store-badge { box-shadow: 0 8px 22px -12px rgba(0,0,0,0.6); }

/* ── Image store badges (official App Store / Google Play artwork) ── */
.store-badge-img {
  display: inline-flex; align-items: center;
  text-decoration: none; border-radius: 12px;
  transition: transform 0.15s ease, filter 0.2s ease;
}
.store-badge-img:hover { transform: translateY(-1px); filter: brightness(1.08); }
.store-badge-img img { height: 56px; width: auto; display: block; border-radius: 12px; }
[data-variant="daylight"] .store-badge-img img,
[data-variant="press"] .store-badge-img img { box-shadow: 0 8px 22px -12px rgba(0,0,0,0.6); }
@media (max-width: 480px) { .store-badge-img img { height: 50px; } }

/* ── Hero ─────────────────────────────────────────────────────── */
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: start; }
.hero-phones { display: flex; gap: 18px; justify-content: flex-start; align-items: flex-start; }
.hero-phones .phone { max-width: 240px; }
.hero-meta {
  margin-top: 32px; display: flex; flex-wrap: wrap; gap: 28px;
  font-family: var(--font-mono); font-size: 13px; color: var(--muted); letter-spacing: 0.02em;
}
.hero-meta b { font-weight: 600; }
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 56px; }
  .hero-phones { justify-content: flex-end; }
  .hero-phones .phone { max-width: 252px; }
}
@media (max-width: 520px) {
  .hero-phones .phone:nth-child(2) { display: none; }
  .hero-phones .phone { max-width: 280px; margin: 0 auto; }
}

/* ── Section heads ────────────────────────────────────────────── */
.head { max-width: 56ch; }

/* ── Split (text + media) ─────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr; gap: 44px; align-items: center; }
.split__media { display: flex; justify-content: center; }
@media (min-width: 860px) {
  .split { grid-template-columns: 0.9fr 1.1fr; gap: 64px; }
  .split .split__media { order: 2; }
  .split .split__body { order: 1; }
  .split--reverse { grid-template-columns: 1.1fr 0.9fr; }
  .split--reverse .split__media { order: 1; }
  .split--reverse .split__body { order: 2; }
}

/* ── Pull quote ───────────────────────────────────────────────── */
.quote { margin-top: 72px; padding-top: 40px; border-top: 1px solid var(--line-2); }

/* ── Trio (library) ───────────────────────────────────────────── */
.trio { display: grid; grid-template-columns: 1fr; gap: 40px; justify-items: center; }
.trio__col { margin: 0; display: flex; flex-direction: column; align-items: center; text-align: center; }
.trio__col .phone { max-width: 260px; }
.trio__name { margin-top: 22px; font-family: var(--font-display); font-weight: var(--display-weight); font-style: var(--display-italic); font-size: 26px; letter-spacing: var(--display-tracking); }
.trio__hint { margin-top: 6px; font-size: 14px; color: var(--muted); }
@media (min-width: 820px) { .trio { grid-template-columns: repeat(3, 1fr); gap: 28px; } }

/* ── Aim grid (SMART) ─────────────────────────────────────────── */
.aim { display: grid; grid-template-columns: 1fr; gap: 2px; border-top: 1px solid var(--line-2); }
.aim__item { display: flex; gap: 14px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid var(--line); }
.aim__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-top: 8px; flex-shrink: 0; }
.aim__t { font-size: 15px; font-weight: 700; color: var(--text); }
.aim__b { margin-top: 3px; font-size: 14px; color: var(--muted); line-height: 1.5; }
@media (min-width: 560px) { .aim { grid-template-columns: 1fr 1fr; gap: 0 32px; } }

/* ── Quad (insights phones) ───────────────────────────────────── */
.quad { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; justify-items: center; }
.quad__col { margin: 0; display: flex; flex-direction: column; align-items: center; }
.quad__col .phone { max-width: 230px; }
.quad__tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em;
  color: var(--muted); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--accent); display: inline-block;
}
@media (min-width: 900px) { .quad { grid-template-columns: repeat(4, 1fr); gap: 24px; } }

/* ── Cols (two spec columns) ──────────────────────────────────── */
.cols { display: grid; grid-template-columns: 1fr; gap: 44px; }
.cols__h { font-family: var(--font-display); font-weight: var(--display-weight); font-style: var(--display-italic); font-size: 22px; letter-spacing: var(--display-tracking); margin-bottom: 22px; }
@media (min-width: 760px) { .cols { grid-template-columns: 1fr 1fr; gap: 56px; } }

/* ── Duo (progress) ───────────────────────────────────────────── */
.duo { display: grid; grid-template-columns: 1fr; gap: 44px; }
.duo__col { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 22px; }
.duo__col .phone { max-width: 280px; }
.duo__t { font-family: var(--font-display); font-weight: var(--display-weight); font-style: var(--display-italic); font-size: 26px; letter-spacing: var(--display-tracking); }
.duo__s { margin-top: 6px; font-size: 14.5px; color: var(--muted); max-width: 36ch; line-height: 1.55; }
@media (min-width: 720px) { .duo { grid-template-columns: 1fr 1fr; gap: 48px; } }

/* ── Footer ───────────────────────────────────────────────────── */
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px; }
.foot__cols { display: flex; gap: 56px; flex-wrap: wrap; }
.foot__h { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em; color: var(--dim); margin-bottom: 16px; }
.foot__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 11px; }
.foot__list a { color: var(--muted); font-size: 14px; text-decoration: none; }
.foot__list a:hover { color: var(--accent); }
.foot__base {
  margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono); font-size: 12px; color: var(--dim);
}

.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-bar { justify-content: center; }
}

/* Reveal */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.rise { animation: rise 0.8s cubic-bezier(.22,1,.36,1) both; }
@media (prefers-reduced-motion: reduce) { .rise { animation: none; } }

/* ── Mobile refinements ───────────────────────────────────────── */
@media (max-width: 859px) {
  /* Desktop sticky phone must never pin/overlap copy on small screens */
  .split__media { position: static !important; top: auto !important; }
}
@media (max-width: 720px) {
  .display { line-height: 1.06; }
  .h1 { font-size: clamp(38px, 11vw, 62px); }
  .h2 { font-size: clamp(29px, 8.2vw, 46px); }
  .lede { font-size: 16.5px; }
  .sec { padding: 54px 0; }
  .split { gap: 36px; }
  .hero-grid { gap: 34px; }
  .hero-meta { gap: 12px 22px; margin-top: 26px; font-size: 12.5px; }
  .quote { margin-top: 48px; padding-top: 30px; }
  .num__row { padding: 26px 0; }
  .num__t { font-size: clamp(20px, 6vw, 26px); }
  .head { max-width: none; }
  .trio { gap: 44px; }
  .duo { gap: 40px; }
  .quad { grid-template-columns: 1fr 1fr; gap: 34px 18px; }
  .quad__col .phone { max-width: 100%; }
  .quad__tag { margin-bottom: 12px; }
}
@media (max-width: 480px) {
  .h1 { font-size: clamp(32px, 12.5vw, 46px); }
  .h2 { font-size: clamp(26px, 9vw, 38px); }
  .quad { grid-template-columns: 1fr; gap: 30px; max-width: 290px; margin-left: auto; margin-right: auto; }
  .quad__col .phone { max-width: 250px; }
  .store-badge { padding: 9px 15px; min-height: 54px; gap: 10px; }
  .store-badge__lg { font-size: 20px; }
  .store-badge__sm { font-size: 11px; }
}
