/* ============================================================
   Cadence — Focus OS landing (portfolio demo)
   Warm-dark editorial-tech. Ember accent, single-minded palette.
   ============================================================ */

:root {
  --ink:      #15110c;   /* page bg, warm near-black */
  --ink-2:    #1c1712;   /* elevated surface */
  --ink-3:    #241d15;   /* card */
  --line:     #362c20;   /* hairline borders */
  --line-2:   #4a3c2c;
  --cream:    #f6efe3;   /* primary text */
  --sand:     #c7b9a3;   /* secondary text */
  --muted:    #8a7c68;   /* tertiary text */
  --ember:    #f0913e;   /* accent */
  --ember-2:  #f6ab63;
  --ember-dk: #c96f27;
  --glow:     rgba(240,145,62,.30);

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Hanken Grotesk", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1180px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --radius: 18px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* subtle warm vignette on the whole page */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(120% 80% at 80% -10%, rgba(240,145,62,.10), transparent 55%),
    radial-gradient(90% 60% at 0% 100%, rgba(240,145,62,.06), transparent 50%);
  pointer-events: none; z-index: 0;
}

.grain {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  opacity: .04; pointer-events: none; z-index: 1; mix-blend-mode: overlay;
}

main, .nav, .footer { position: relative; z-index: 2; }

a { color: inherit; text-decoration: none; }
em { font-style: italic; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.05; letter-spacing: -.015em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ember); font-weight: 500;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--font-body); font-weight: 600; font-size: .96rem;
  padding: .82em 1.4em; border-radius: 999px;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s, box-shadow .25s;
}
.btn-primary {
  background: linear-gradient(180deg, var(--ember-2), var(--ember));
  color: #241403; box-shadow: 0 8px 30px -8px var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px var(--glow); }
.btn-ghost { border-color: var(--line-2); color: var(--cream); background: rgba(255,255,255,.015); }
.btn-ghost:hover { border-color: var(--ember); color: var(--ember-2); transform: translateY(-2px); }
.btn-text { color: var(--sand); padding-left: .4em; padding-right: .4em; }
.btn-text:hover { color: var(--cream); }
.btn-text .play { font-size: .6rem; color: var(--ember); }
.btn-lg { padding: 1.05em 2em; font-size: 1.05rem; }
.full { width: 100%; justify-content: center; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0;
  display: flex; align-items: center; gap: 2rem;
  padding: 1.1rem var(--pad);
  max-width: var(--maxw); margin: 0 auto;
  transition: background .3s, backdrop-filter .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(21,17,12,.72); backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--line);
}
.wordmark {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: -.02em;
}
.wordmark .mark { color: var(--ember); display: inline-flex; }
.nav-links { margin-left: auto; display: flex; gap: 2rem; }
.nav-links a { color: var(--sand); font-size: .95rem; position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; height: 1px; width: 0;
  background: var(--ember); transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--cream); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { padding: .55em 1.15em; }

/* ---------- hero ---------- */
.hero { position: relative; max-width: var(--maxw); margin: 0 auto; padding: clamp(3rem,8vw,6rem) var(--pad) 0; }
.hero-glow {
  position: absolute; top: -10%; right: -5%; width: 640px; height: 640px;
  background: radial-gradient(circle, var(--glow), transparent 62%);
  filter: blur(20px); pointer-events: none; z-index: -1;
}
.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero-copy { max-width: 620px; }
h1 {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  margin: 1.2rem 0 1.4rem;
}
h1 em { color: var(--ember-2); font-family: var(--font-display); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--sand); max-width: 33em; }
.hero-actions { display: flex; align-items: center; gap: 1rem; margin: 2.2rem 0 2rem; flex-wrap: wrap; }
.hero-meta { display: flex; align-items: center; gap: .9rem; color: var(--muted); font-size: .9rem; }
.hero-meta strong { color: var(--cream); font-weight: 600; }
.avatars { display: flex; }
.avatars span {
  width: 30px; height: 30px; border-radius: 50%; margin-left: -8px;
  border: 2px solid var(--ink);
  background: linear-gradient(135deg, var(--ember-dk), var(--ember-2));
}
.avatars span:nth-child(2){ background: linear-gradient(135deg,#6b5a44,#a88b63);}
.avatars span:nth-child(3){ background: linear-gradient(135deg,#8a5a2e,#e0a35f);}
.avatars span:nth-child(4){ background: linear-gradient(135deg,#3c4a3a,#7e8b6b);}

/* hero visual */
.hero-visual { position: relative; display: grid; place-items: center; min-height: 380px; }
.orb { position: relative; width: 320px; height: 320px; display: grid; place-items: center; }
.orb-rings { position: absolute; inset: 0; overflow: visible; }
.orb-rings circle { fill: none; stroke: var(--line-2); stroke-width: 1; transform-origin: 160px 160px; }
.orb-rings circle:nth-child(1){ animation: spin 34s linear infinite; stroke-dasharray: 4 10; }
.orb-rings circle:nth-child(2){ animation: spin 22s linear infinite reverse; stroke: var(--ember-dk); opacity:.5; }
.orb-rings circle:nth-child(3){ animation: spin 16s linear infinite; stroke-dasharray: 2 8; }
.orb-core {
  width: 96px; height: 96px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--ember-2), var(--ember-dk) 70%);
  box-shadow: 0 0 60px 6px var(--glow), inset 0 0 24px rgba(0,0,0,.25);
  animation: pulse 3.4s var(--ease) infinite;
}
.wave { position: absolute; bottom: 40px; width: 300px; height: 60px; }
.wave path { fill: none; stroke: var(--ember); stroke-width: 2; opacity: .55;
  stroke-dasharray: 600; animation: draw 6s var(--ease) infinite; }

.session-card {
  position: absolute; bottom: 8px; right: -6px; width: 260px;
  background: linear-gradient(180deg, rgba(36,29,21,.92), rgba(28,23,18,.92));
  border: 1px solid var(--line-2); border-radius: 16px; padding: 1.1rem 1.15rem;
  backdrop-filter: blur(8px); box-shadow: 0 24px 50px -20px rgba(0,0,0,.7);
  animation: float 6s ease-in-out infinite;
}
.session-top { display: flex; align-items: center; gap: .5rem; font-size: .78rem; color: var(--sand); }
.session-top .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 10px var(--ember); }
.session-label { font-family: var(--font-mono); letter-spacing: .05em; }
.session-tag { margin-left: auto; padding: .15em .6em; border-radius: 6px; background: rgba(240,145,62,.14); color: var(--ember-2); font-size: .72rem; }
.session-timer { font-family: var(--font-display); font-size: 2.8rem; font-weight: 500; margin: .5rem 0 .7rem; letter-spacing: -.02em; }
.session-timer span { color: var(--ember); animation: blink 1.1s steps(1) infinite; }
.session-bar { height: 6px; border-radius: 4px; background: var(--ink); overflow: hidden; }
.session-bar i { display: block; height: 100%; width: var(--w); border-radius: 4px; background: linear-gradient(90deg, var(--ember-dk), var(--ember-2)); }
.session-foot { display: flex; justify-content: space-between; margin-top: .7rem; font-size: .72rem; color: var(--muted); }
.session-streak { color: var(--ember-2); }

/* marquee */
.marquee { margin-top: clamp(3rem,7vw,5rem); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1.1rem 0; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 3.5rem; width: max-content; animation: scroll 32s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-size: 1.15rem; color: var(--muted); white-space: nowrap; letter-spacing: .02em; }

/* ---------- shared section ---------- */
section { max-width: var(--maxw); margin: 0 auto; padding: clamp(4rem, 10vw, 8rem) var(--pad); }
.section-head { max-width: 640px; margin-bottom: clamp(2.5rem,5vw,4rem); }
.section-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); margin-top: 1rem; }

/* ---------- features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.feature {
  background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.9rem 1.7rem; transition: transform .35s var(--ease), border-color .35s;
}
.feature:hover { transform: translateY(-6px); border-color: var(--line-2); }
.feature-ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  color: var(--ember); background: rgba(240,145,62,.10); border: 1px solid rgba(240,145,62,.2);
  margin-bottom: 1.3rem;
}
.feature-ico svg { width: 22px; height: 22px; }
.feature h3 { font-size: 1.4rem; margin-bottom: .55rem; }
.feature p { color: var(--sand); font-size: .98rem; }

/* ---------- how ---------- */
.how-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4.5rem); align-items: center; }
.how-copy h2 { font-size: clamp(1.9rem,3.4vw,2.8rem); margin: 1rem 0 2rem; }
.steps { list-style: none; display: flex; flex-direction: column; gap: 1.5rem; }
.steps li { display: flex; gap: 1.2rem; align-items: flex-start; }
.step-n { font-family: var(--font-mono); color: var(--ember); font-size: .95rem; padding-top: .2rem; min-width: 2ch; }
.steps h4 { font-size: 1.2rem; font-weight: 600; font-family: var(--font-display); margin-bottom: .25rem; }
.steps p { color: var(--sand); font-size: .96rem; }

.how-visual { display: grid; place-items: center; }
.week {
  width: 100%; max-width: 420px;
  background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem;
}
.week-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1.4rem; }
.week-head span:first-child { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.week-hrs { color: var(--ember-2); font-weight: 600; }
.week-bars { display: flex; gap: .6rem; align-items: flex-end; height: 180px; }
.week-bars i { flex: 1; height: var(--h); border-radius: 6px 6px 3px 3px; background: linear-gradient(180deg, var(--line-2), #2c241a); position: relative; display: flex; align-items: flex-end; justify-content: center; transition: height .6s var(--ease); }
.week-bars i.peak { background: linear-gradient(180deg, var(--ember-2), var(--ember-dk)); box-shadow: 0 0 24px -4px var(--glow); }
.week-bars b { position: absolute; bottom: -22px; font-family: var(--font-mono); font-size: .72rem; color: var(--muted); font-weight: 400; }

/* ---------- quote ---------- */
.quote { text-align: center; }
.quote blockquote { max-width: 880px; margin: 0 auto; }
.quote p { font-family: var(--font-display); font-size: clamp(1.5rem, 3.2vw, 2.4rem); line-height: 1.3; letter-spacing: -.01em; }
.quote em { color: var(--ember-2); }
.quote footer { margin-top: 1.8rem; display: inline-flex; align-items: center; gap: .7rem; color: var(--sand); font-size: .95rem; }
.q-avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--ember-dk), var(--ember-2)); color: #241403; display: grid; place-items: center; font-weight: 700; font-family: var(--font-body); }

/* ---------- pricing ---------- */
.plans { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; align-items: stretch; }
.plan {
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.8rem;
  transition: transform .35s var(--ease), border-color .35s;
}
.plan:hover { transform: translateY(-6px); }
.plan.featured { border-color: var(--ember); box-shadow: 0 30px 60px -30px var(--glow); position: relative; }
.plan-flag { position: absolute; top: -12px; left: 1.8rem; background: linear-gradient(180deg,var(--ember-2),var(--ember)); color: #241403; font-size: .72rem; font-weight: 700; padding: .3em .8em; border-radius: 999px; letter-spacing: .02em; }
.plan h3 { font-size: 1.5rem; margin-bottom: .6rem; }
.plan-price { font-family: var(--font-display); color: var(--muted); font-size: 1rem; margin-bottom: .4rem; }
.plan-price span { font-size: 2.6rem; color: var(--cream); font-weight: 600; }
.plan-desc { color: var(--sand); font-size: .92rem; margin-bottom: 1.4rem; }
.plan ul { list-style: none; display: flex; flex-direction: column; gap: .7rem; margin-bottom: 1.8rem; flex: 1; }
.plan li { position: relative; padding-left: 1.6rem; color: var(--sand); font-size: .94rem; }
.plan li::before { content: "◆"; position: absolute; left: 0; color: var(--ember); font-size: .7rem; top: .28em; }

/* ---------- cta ---------- */
.cta { text-align: center; position: relative; padding-top: clamp(4rem,9vw,7rem); padding-bottom: clamp(4rem,9vw,7rem); }
.cta-glow { position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 40%, var(--glow), transparent 65%); filter: blur(10px); pointer-events: none; z-index: -1; }
.cta h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.cta p { color: var(--sand); font-size: 1.15rem; margin: 1.2rem auto 2.2rem; max-width: 34em; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); margin-top: 2rem; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: clamp(3rem,6vw,4.5rem) var(--pad) 2rem; display: grid; grid-template-columns: 1.4fr 2fr; gap: 3rem; }
.footer-brand .wordmark { font-size: 1.3rem; margin-bottom: .8rem; }
.footer-brand p { color: var(--muted); max-width: 26ch; }
.footer-cols { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.footer-cols h5 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .15em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; font-weight: 500; }
.footer-cols a { display: block; color: var(--sand); font-size: .92rem; margin-bottom: .6rem; transition: color .2s; }
.footer-cols a:hover { color: var(--ember-2); }
.footer-base { max-width: var(--maxw); margin: 0 auto; padding: 1.5rem var(--pad); border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6rem; color: var(--muted); font-size: .84rem; }
.footer-credit a { color: var(--ember-2); }

/* ---------- reveal animations (progressive enhancement) ----------
   Hidden only when JS is active; no-JS or JS-failure = fully visible. */
.js .reveal, .js .reveal-up { opacity: 0; }
.reveal { transform: translateY(14px); animation: rise .9s var(--ease) forwards; }
.reveal[data-delay="1"]{ animation-delay: .08s;} .reveal[data-delay="2"]{ animation-delay: .16s;}
.reveal[data-delay="3"]{ animation-delay: .24s;} .reveal[data-delay="4"]{ animation-delay: .32s;}
.reveal-up { transform: translateY(28px); }
.reveal-up.in { animation: rise .8s var(--ease) forwards; }
.reveal-up.in[data-delay="1"]{ animation-delay: .1s;} .reveal-up.in[data-delay="2"]{ animation-delay: .2s;}

/* ---------- keyframes ---------- */
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100%{ transform: scale(1); box-shadow: 0 0 60px 6px var(--glow); } 50%{ transform: scale(1.06); box-shadow: 0 0 80px 12px var(--glow); } }
@keyframes float { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-10px); } }
@keyframes draw { 0%{ stroke-dashoffset: 600; } 50%{ stroke-dashoffset: 0; } 100%{ stroke-dashoffset: -600; } }
@keyframes blink { 50%{ opacity: .25; } }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; min-height: 320px; margin-bottom: 1rem; }
  .how-inner { grid-template-columns: 1fr; }
  .feature-grid, .plans { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 520px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .session-card { right: 0; width: 230px; }
  .footer-cols { grid-template-columns: repeat(2,1fr); }
  .footer-base { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal, .reveal-up { opacity: 1 !important; transform: none !important; }
}