/* Intervu — marketing site. Light-mode only, navy #1E3660 on white, Inter,
   Linear/Next/Radix-flavored. Original design (not a copy of any other site). */

:root {
  --navy: #1e3660;
  --navy-700: #16294a;
  --navy-300: #6b83ad;
  --ink: #15192100;      /* unused sentinel */
  --fg: #141821;
  --muted: #566072;
  --faint: #8b94a3;
  --bg: #ffffff;
  --surface: #f6f8fb;
  --surface-2: #eef2f8;
  --line: #e4e9f1;
  --navy-soft: #eaf0fa;
  --good: #1f9d55;
  --warn: #d98324;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(20, 30, 55, .06), 0 1px 3px rgba(20, 30, 55, .08);
  --shadow: 0 10px 30px -12px rgba(20, 35, 70, .22);
  --shadow-lg: 0 30px 70px -24px rgba(20, 35, 70, .30);
  --maxw: 1140px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: 24px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 10px; background: var(--navy); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }

/* ---------- brand ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; }
.brand-tile {
  width: 30px; height: 30px; border-radius: 9px; background: var(--navy); color: #fff;
  display: grid; place-items: center; font-size: 20px; font-weight: 800; line-height: 1;
}
.brand-word { font-size: 20px; color: var(--fg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: 15px; line-height: 1;
  padding: 11px 18px; border-radius: 11px; border: 1px solid transparent;
  cursor: pointer; transition: transform .12s ease, background .15s ease, box-shadow .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--navy); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--navy-700); box-shadow: var(--shadow); }
.btn-ghost { background: #fff; color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--navy-300); background: var(--surface); }
.btn-lg { font-size: 16px; padding: 14px 24px; border-radius: 13px; }
.btn-block { width: 100%; }

.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--navy); background: var(--navy-soft);
  padding: 5px 11px; border-radius: 999px; margin-bottom: 16px;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .78); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .2s ease, box-shadow .2s ease;
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 66px; }
.nav-links { display: flex; gap: 26px; margin-left: 8px; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--fg); }
.nav-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.nav-cta .btn-ghost { display: none; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--fg); border-radius: 2px; margin: 4px 0; transition: .2s; }
.nav-mobile { display: none; flex-direction: column; gap: 4px; padding: 10px 24px 18px; border-bottom: 1px solid var(--line); background: #fff; }
.nav-mobile a { padding: 10px 2px; color: var(--muted); font-weight: 500; }
.nav-mobile .btn { margin-top: 8px; }

/* ---------- hero ---------- */
.hero { padding: 70px 0 40px; background:
  radial-gradient(900px 440px at 85% -8%, var(--navy-soft), transparent 60%),
  radial-gradient(700px 400px at 0% 0%, #f3f7fd, transparent 55%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-copy h1 { font-size: clamp(38px, 5.6vw, 62px); line-height: 1.04; letter-spacing: -.03em; margin: 0 0 18px; font-weight: 800; text-wrap: balance; }
.lede { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 33ch; margin: 0 0 28px; }
.lede strong { color: var(--fg); font-weight: 600; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-sub { margin-top: 18px; font-size: 14px; color: var(--faint); }

/* hero app window */
.hero-art { position: relative; }
.appwin { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }
.appwin-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.appwin-bar .dot { width: 11px; height: 11px; border-radius: 50%; background: #d7dde7; }
.appwin-bar .dot:nth-child(1) { background: #f1a5a0; }
.appwin-bar .dot:nth-child(2) { background: #f3cf8e; }
.appwin-bar .dot:nth-child(3) { background: #a7d8ac; }
.appwin-title { margin-left: 8px; font-size: 12.5px; color: var(--muted); font-weight: 500; }
.appwin-body { padding: 20px; display: grid; gap: 16px; }
.msg { font-size: 15px; border-radius: 13px; padding: 13px 15px; }
.msg .who { display: block; font-size: 12px; font-weight: 700; color: var(--navy); margin-bottom: 5px; }
.msg-them { background: var(--surface-2); color: var(--fg); }

/* waveform */
.wave { display: flex; align-items: center; gap: 4px; padding: 6px 2px; min-height: 34px; }
.wave span { width: 4px; height: 10px; border-radius: 3px; background: var(--navy); opacity: .85; animation: bar 1.1s ease-in-out infinite; }
.wave span:nth-child(odd) { animation-duration: .9s; }
.wave span:nth-child(3n) { animation-delay: .15s; }
.wave span:nth-child(3n+1) { animation-delay: .3s; }
.wave span:nth-child(4n) { animation-delay: .45s; }
.wave em { margin-left: 10px; font-style: normal; font-size: 13px; color: var(--faint); }
.wave-lg { gap: 5px; }
.wave-lg span { width: 5px; }
@keyframes bar { 0%, 100% { height: 8px; } 50% { height: 26px; } }
@media (prefers-reduced-motion: reduce) { .wave span { animation: none; height: 16px; } }

/* score card */
.score-card { display: flex; align-items: center; gap: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.ring { position: relative; width: 86px; height: 86px; flex: none; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--surface-2); stroke-width: 10; }
.ring-fg { fill: none; stroke: var(--navy); stroke-width: 10; stroke-linecap: round; stroke-dasharray: calc(var(--p) * 3.267) 400; }
.ring-num { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 800; font-size: 22px; color: var(--navy); }
.ring-num small { font-size: 11px; color: var(--faint); font-weight: 600; }
.score-notes { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; font-size: 13.5px; }
.score-notes li { position: relative; padding-left: 20px; color: var(--muted); }
.score-notes li::before { position: absolute; left: 0; top: 0; font-weight: 700; }
.score-notes .good::before { content: "✓"; color: var(--good); }
.score-notes .warn::before { content: "→"; color: var(--warn); }

/* ---------- value strip ---------- */
.strip { border-block: 1px solid var(--line); background: var(--surface); }
.strip-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 26px 24px; }
.strip-row div { display: flex; flex-direction: column; gap: 2px; }
.strip-row strong { font-size: 15px; }
.strip-row span { font-size: 13.5px; color: var(--muted); }

/* ---------- sections ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--surface); border-block: 1px solid var(--line); }
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.12; letter-spacing: -.025em; margin: 0 0 14px; font-weight: 800; text-wrap: balance; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--navy-300); }
.card .ic { width: 46px; height: 46px; border-radius: 12px; background: var(--navy-soft); display: grid; place-items: center; margin-bottom: 16px; }
.card .ic svg { width: 24px; height: 24px; fill: none; stroke: var(--navy); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin: 0 0 7px; font-size: 18.5px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: s; }
.steps li { position: relative; }
.step-n { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: var(--navy); color: #fff; font-weight: 800; margin-bottom: 14px; }
.steps h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -.01em; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

/* split highlights */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-rev .split-copy { order: 2; }
.split-copy h2 { font-size: clamp(26px, 3.2vw, 36px); letter-spacing: -.025em; line-height: 1.14; margin: 0 0 16px; font-weight: 800; }
.split-copy p { color: var(--muted); margin: 0 0 20px; }
.split-copy em { font-style: italic; color: var(--fg); }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.ticks li { position: relative; padding-left: 28px; font-size: 15.5px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--navy-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e3660' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 24px; }
.transcript { display: grid; gap: 14px; }
.t-them, .t-you { margin: 0; padding: 12px 15px; border-radius: 13px; font-size: 15px; }
.t-them { background: var(--surface-2); }
.t-you { background: var(--navy); color: #fff; justify-self: end; max-width: 92%; }
.grade-panel { display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; }
.ring-lg { width: 120px; height: 120px; }
.ring-lg .ring-num { font-size: 30px; }
.ring-lg .ring-num small { font-size: 13px; }
.grade-rows { display: grid; gap: 14px; }
.grade-rows div { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--muted); }
.grade-rows i { height: 8px; border-radius: 6px; background: var(--surface-2); position: relative; }
.grade-rows i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w); border-radius: 6px; background: linear-gradient(90deg, var(--navy-300), var(--navy)); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 420px)); gap: 24px; justify-content: center; }
.plan { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.plan-pro { border-color: var(--navy); box-shadow: var(--shadow); }
.plan-badge { position: absolute; top: -12px; left: 30px; background: var(--navy); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.plan-head h3 { margin: 0 0 8px; font-size: 20px; }
.price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; }
.price .amt { font-size: 44px; font-weight: 800; letter-spacing: -.03em; }
.price .per { color: var(--muted); font-size: 15px; }
.plan-note { color: var(--muted); font-size: 14.5px; margin: 0 0 20px; min-height: 2.6em; }
.plan-list { list-style: none; margin: 22px 0 0; padding: 22px 0 0; border-top: 1px solid var(--line); display: grid; gap: 12px; font-size: 15px; }
.plan-list li { position: relative; padding-left: 26px; color: var(--muted); }
.plan-list li strong { color: var(--fg); }
.plan-list li::before { content: ""; position: absolute; left: 0; top: 3px; width: 16px; height: 16px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e3660' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat; }
.plan-fineprint { text-align: center; color: var(--faint); font-size: 13.5px; margin: 28px 0 0; }

/* faq */
.faq-wrap { max-width: 760px; }
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 2px 18px; box-shadow: var(--shadow-sm); }
.faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 600; font-size: 16.5px; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--navy); font-size: 22px; font-weight: 400; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; color: var(--muted); font-size: 15.5px; }

/* cta band */
.cta-band { background: linear-gradient(160deg, var(--navy), var(--navy-700)); color: #fff; }
.cta-inner { text-align: center; padding: 76px 24px; }
.cta-inner h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.025em; margin: 0 0 12px; font-weight: 800; text-wrap: balance; }
.cta-inner p { color: #cdd8ec; margin: 0 0 26px; font-size: 18px; }
.cta-band .btn-primary { background: #fff; color: var(--navy); }
.cta-band .btn-primary:hover { background: #eef2f8; }

/* footer */
.foot { background: var(--surface); border-top: 1px solid var(--line); }
.foot-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; padding: 56px 24px 32px; }
.foot-brand p { color: var(--muted); font-size: 14.5px; margin: 12px 0 0; max-width: 32ch; }
.foot-cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.foot-cols h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--faint); margin: 0 0 12px; }
.foot-cols a { display: block; color: var(--muted); font-size: 15px; padding: 5px 0; }
.foot-cols a:hover { color: var(--fg); }
.foot-base { display: flex; justify-content: space-between; padding: 20px 24px 40px; border-top: 1px solid var(--line); color: var(--faint); font-size: 13.5px; }
.foot-mono { font-variant-numeric: tabular-nums; }

/* reveal (progressive; content shows even without JS) */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { order: 2; max-width: 520px; }
  .lede { max-width: none; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .split, .split-rev { grid-template-columns: 1fr; gap: 32px; }
  .split-rev .split-copy { order: 0; }
  .strip-row { grid-template-columns: repeat(2, 1fr); gap: 18px 24px; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .nav-cta .btn-primary { display: none; }
  .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-mobile { display: flex; }
  .section { padding: 60px 0; }
  .cards { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .grade-panel { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 18px; }
  .foot-inner { grid-template-columns: 1fr; gap: 28px; }
  .t-you { max-width: 100%; }
  .dl-grid { grid-template-columns: 1fr; }
  .dl-head h1 { font-size: 34px; }
}

/* ---------- download page ---------- */
.dl-hero { padding: 64px 0 20px; text-align: center; background:
  radial-gradient(900px 440px at 50% -12%, var(--navy-soft), transparent 60%); }
.dl-head { max-width: 680px; margin: 0 auto; }
.dl-head h1 { font-size: clamp(32px, 4.4vw, 48px); line-height: 1.06; letter-spacing: -.03em; margin: 0 0 14px; font-weight: 800; text-wrap: balance; }
.dl-head p { color: var(--muted); font-size: 18px; margin: 0; }
.dl-meta { margin-top: 14px; font-size: 13.5px; color: var(--faint); display: flex; gap: 10px; justify-content: center; align-items: center; flex-wrap: wrap; }
.dl-meta .pill { background: var(--surface-2); border-radius: 999px; padding: 3px 10px; font-weight: 600; color: var(--muted); }

.dl-primary { max-width: 440px; margin: 28px auto 8px; }
.dl-primary .btn { width: 100%; }
.dl-primary .btn .sub { font-weight: 500; opacity: .8; font-size: 13px; margin-left: 2px; }
.dl-primary-note { font-size: 13px; color: var(--faint); margin: 10px 0 0; }

.dl-section { padding: 40px 0 72px; }
.dl-subhead { text-align: center; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--faint); margin: 0 0 20px; }
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 900px; margin: 0 auto; }
.dl-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 6px; }
.dl-card.is-current { border-color: var(--navy); box-shadow: var(--shadow); }
.dl-card .os { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.dl-card .os svg { width: 22px; height: 22px; fill: var(--navy); }
.dl-card .os-sub { color: var(--muted); font-size: 13.5px; min-height: 1.3em; }
.dl-card .btn { margin-top: 12px; }
.dl-card .size { color: var(--faint); font-size: 12.5px; }
.dl-card .alt { margin-top: 8px; font-size: 13px; }
.dl-card .alt a { color: var(--navy); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.dl-badge { align-self: flex-start; background: var(--navy-soft); color: var(--navy); font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; }

.dl-extra { max-width: 760px; margin: 48px auto 0; display: grid; gap: 28px; }
.dl-block h3 { font-size: 17px; margin: 0 0 10px; letter-spacing: -.01em; }
.dl-notes { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.dl-notes li { position: relative; padding-left: 20px; color: var(--muted); font-size: 15px; }
.dl-notes li::before { content: "→"; position: absolute; left: 0; color: var(--navy); font-weight: 700; }
.dl-reqs { color: var(--muted); font-size: 15px; margin: 0; }
.dl-soon { max-width: 520px; margin: 28px auto 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; text-align: center; }
.dl-soon h2 { font-size: 22px; margin: 0 0 8px; }
.dl-soon p { color: var(--muted); margin: 0 0 18px; font-size: 15.5px; }
.dl-verify { color: var(--faint); font-size: 13px; }
.dl-verify code { background: var(--surface-2); border-radius: 6px; padding: 1px 6px; font-size: 12.5px; }