/* ============================================================================
   Quidkeep — website design system
   Brand: Cream #F7F3EE · Rust #C2500A · Ink #1C1A17 · Gold #B07B1D
   Wordmark: Georgia italic. Body: system sans. No external dependencies.
   ============================================================================ */

/* ----------------------------------------------------------------- Tokens -- */
:root {
  /* Brand palette (matches the app + extension exactly) */
  --cream:      #f7f3ee;
  --cream-deep: #efe7da;
  --cream-soft: #fbf8f3;
  --surface:    #fffefb;
  --rust:       #c2500a;
  --rust-deep:  #a8440a;
  --rust-soft:  #fbebdd;
  --gold:       #b07b1d;
  --gold-soft:  #f6ecd4;
  --sage:       #4f7a52;
  --sage-soft:  #e6efe3;
  --plum:       #7b5aa6;
  --ink:        #1c1a17;
  --ink-soft:   #423b32;
  --ink-mute:   #6b6055;
  --border:     #ddd2c4;
  --border-soft:#e8e0d4;

  /* Type */
  --font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", Times, serif;

  /* Rhythm */
  --container: 1140px;
  --container-narrow: 760px;
  --radius:   18px;
  --radius-sm: 12px;
  --radius-lg: 28px;

  /* Shadows — warm, soft */
  --shadow-sm: 0 1px 2px rgba(28,26,23,.04), 0 2px 8px rgba(28,26,23,.05);
  --shadow:    0 8px 24px rgba(28,26,23,.08), 0 2px 6px rgba(28,26,23,.05);
  --shadow-lg: 0 30px 70px -20px rgba(120,60,10,.30), 0 10px 30px rgba(28,26,23,.10);

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ------------------------------------------------------------------ Reset -- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; padding: 0; }

/* the [hidden] attribute must always win over component display rules
   (used by JS to toggle pending/live + form confirmations) */
[hidden] { display: none !important; }

::selection { background: var(--rust); color: #fff; }

:focus-visible {
  outline: 2.5px solid var(--rust);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -------------------------------------------------------------- Typography -- */
.wordmark {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

h1, h2, h3 { line-height: 1.08; letter-spacing: -0.025em; font-weight: 800; }

.display {
  font-size: clamp(2.5rem, 6.5vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--rust);
  letter-spacing: 0;
  margin-bottom: 1rem;
  display: inline-block;
}

.section-title {
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  letter-spacing: -0.03em;
}

.lead {
  font-size: clamp(1.06rem, 1.7vw, 1.3rem);
  color: var(--ink-soft);
  line-height: 1.62;
}

.accent { color: var(--rust); }

/* short rule used under titles (mirrors the app's orange underline) */
.rule {
  width: 56px; height: 4px; border-radius: 4px;
  background: var(--rust);
  margin: 1.1rem 0 0;
}
.rule.center { margin-left: auto; margin-right: auto; }

/* ------------------------------------------------------------------ Layout -- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: var(--container-narrow); }

section { position: relative; }
.section-pad { padding: clamp(64px, 10vw, 130px) 0; }
.section-pad-sm { padding: clamp(48px, 7vw, 88px) 0; }

.bg-cream      { background: var(--cream); }
.bg-cream-deep { background: var(--cream-deep); }
.bg-soft       { background: var(--cream-soft); }
.bg-ink        { background: var(--ink); color: var(--cream); }
.bg-ink .lead, .bg-ink p { color: #cfc6b8; }

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* --------------------------------------------------------------- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font-weight: 650; font-size: 1rem;
  padding: .92em 1.6em;
  border-radius: 100px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
  border: 1.5px solid transparent;
  line-height: 1;
}
.btn svg { width: 1.1em; height: 1.1em; }
.btn-primary {
  background: var(--rust); color: #fff;
  box-shadow: 0 6px 18px -4px rgba(194,80,10,.5);
}
.btn-primary:hover { background: var(--rust-deep); transform: translateY(-2px); box-shadow: 0 12px 26px -6px rgba(194,80,10,.55); }
.btn-ghost {
  background: transparent; color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); background: rgba(255,255,255,.5); }
.btn-light { background: var(--cream); color: var(--ink); }
.btn-light:hover { background: #fff; transform: translateY(-2px); }
.btn-lg { font-size: 1.08rem; padding: 1.05em 2em; }
.btn-block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .4em;
  font-weight: 650; color: var(--rust);
  transition: gap .2s var(--ease);
}
.link-arrow:hover { gap: .7em; }

/* ----------------------------------------------------------------- Navbar -- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav.scrolled {
  background: rgba(247,243,238,.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--border-soft);
  box-shadow: 0 2px 20px rgba(28,26,23,.04);
}
.brand { display: inline-flex; align-items: center; gap: .6rem; font-size: 1.5rem; color: var(--ink); }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a.navlink {
  font-weight: 550; color: var(--ink-soft); font-size: .98rem;
  position: relative; transition: color .2s;
}
.nav-links a.navlink::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--rust); transition: width .28s var(--ease);
}
.nav-links a.navlink:hover { color: var(--ink); }
.nav-links a.navlink:hover::after,
.nav-links a.navlink.active::after { width: 100%; }
.nav-links a.navlink.active { color: var(--ink); }

.nav-cta { display: flex; align-items: center; gap: 1.2rem; }

.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 72px 0 auto 0; z-index: 99;
  background: var(--cream-soft);
  border-bottom: 1px solid var(--border);
  padding: 18px 24px 28px;
  display: flex; flex-direction: column; gap: 6px;
  transform: translateY(-12px); opacity: 0; pointer-events: none;
  transition: transform .32s var(--ease), opacity .25s;
  box-shadow: var(--shadow);
}
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-menu a { padding: 14px 6px; font-size: 1.15rem; font-weight: 600; border-bottom: 1px solid var(--border-soft); }
.mobile-menu .btn { margin-top: 16px; }

/* --------------------------------------------------------------- Hero ------ */
.hero { padding: clamp(120px, 17vh, 180px) 0 clamp(64px, 9vw, 110px); position: relative; overflow: hidden; }
.hero-glow {
  position: absolute; pointer-events: none; z-index: 0;
  width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(194,80,10,.16), rgba(194,80,10,0) 65%);
  top: -180px; right: -160px; filter: blur(8px);
}
.hero-grid {
  display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(32px, 5vw, 72px);
  align-items: center; position: relative; z-index: 1;
}
.hero h1 { margin-bottom: 1.3rem; }
.hero .lead { max-width: 33ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2rem; }
.hero-trust { margin-top: 1.7rem; display: flex; flex-wrap: wrap; gap: 1.2rem 1.6rem; color: var(--ink-mute); font-size: .92rem; }
.hero-trust span { display: inline-flex; align-items: center; gap: .45em; }
.hero-trust svg { width: 1.05em; height: 1.05em; color: var(--sage); flex: none; }

/* device / screenshot frame */
.device {
  position: relative; border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fff, var(--cream-soft));
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.device img { border-radius: inherit; }
.device.float { animation: floaty 7s ease-in-out infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.hero-device-wrap { position: relative; }
.hero-device-wrap .badge-float {
  position: absolute; z-index: 3;
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: 14px; box-shadow: var(--shadow); padding: 12px 15px;
  display: flex; align-items: center; gap: 10px; font-size: .85rem; font-weight: 600;
}
.badge-float .dot { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; flex: none; }
.badge-float small { display: block; font-weight: 500; color: var(--ink-mute); font-size: .76rem; }
.badge-a { top: 8%; left: -26px; animation: floaty 6s ease-in-out infinite; }
.badge-b { bottom: 9%; right: -22px; animation: floaty 8s ease-in-out .8s infinite; }

/* --------------------------------------------------------------- Marquee --- */
.marquee-wrap {
  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 { display: flex; gap: 3.2rem; width: max-content; animation: scrollx 34s linear infinite; }
.marquee:hover { animation-play-state: paused; }
.marquee span {
  font-family: var(--font-serif); font-style: italic;
  font-size: 1.35rem; color: var(--ink-mute); white-space: nowrap; opacity: .82;
}
@keyframes scrollx { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------- Cards ----- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.card.hover:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--border); }
.card h3 { font-size: 1.25rem; margin-bottom: .5rem; font-weight: 700; letter-spacing: -0.02em; }
.card p { color: var(--ink-mute); font-size: .98rem; }

.feat-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; font-size: 1.5rem; margin-bottom: 18px;
  background: var(--rust-soft);
}

/* numbered step */
.step-num {
  font-family: var(--font-serif); font-style: italic;
  font-size: 2.6rem; color: var(--rust); line-height: 1; margin-bottom: .6rem;
  display: block;
}

/* ------------------------------------------------------ Alternating rows --- */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 84px);
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media .device { max-width: 560px; margin-inline: auto; }
.split-body h2 { margin-bottom: .9rem; }
.split-body .lead { margin-bottom: 1.4rem; }
.feat-list { display: grid; gap: 14px; margin-top: 1.5rem; }
.feat-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-soft); }
.feat-list svg { width: 22px; height: 22px; color: var(--rust); flex: none; margin-top: 1px; }
.feat-list b { color: var(--ink); font-weight: 650; }

/* tag pill */
.tag {
  display: inline-flex; align-items: center; gap: .4em;
  background: var(--gold-soft); color: var(--gold);
  font-size: .78rem; font-weight: 700; letter-spacing: .02em;
  padding: .35em .8em; border-radius: 100px; text-transform: uppercase;
}
.tag.rust { background: var(--rust-soft); color: var(--rust); }
.tag.sage { background: var(--sage-soft); color: var(--sage); }

/* --------------------------------------------------------- Accordion (fold) */
.accordion { max-width: 820px; margin: 0 auto; }
.acc-item {
  border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
  background: var(--surface); margin-bottom: 14px; overflow: hidden;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.acc-item.open { border-color: rgba(194,80,10,.35); box-shadow: var(--shadow-sm); }
.acc-head {
  width: 100%; display: flex; align-items: center; gap: 16px;
  padding: 22px 24px; text-align: left;
}
.acc-emoji {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  display: grid; place-items: center; font-size: 1.35rem; background: var(--cream-deep);
}
.acc-titles { flex: 1; min-width: 0; }
.acc-titles h3 { font-size: 1.18rem; font-weight: 700; letter-spacing: -0.02em; }
.acc-titles p { color: var(--ink-mute); font-size: .92rem; margin-top: 2px; }
.acc-chevron { flex: none; transition: transform .35s var(--ease); color: var(--ink-mute); }
.acc-item.open .acc-chevron { transform: rotate(180deg); color: var(--rust); }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .42s var(--ease); }
.acc-body { padding: 0 24px 24px 86px; color: var(--ink-soft); }
.acc-body p + p { margin-top: .8rem; }
.acc-body .example {
  margin-top: 14px; padding: 14px 16px; border-radius: 10px;
  background: var(--cream); border: 1px solid var(--border-soft);
  font-size: .92rem; color: var(--ink-soft);
}
.acc-body .example b { color: var(--rust); }
@media (max-width: 560px) { .acc-body { padding-left: 24px; } }

/* --------------------------------------------------------- Stat / callout -- */
.callout {
  border-radius: var(--radius); padding: clamp(28px, 4vw, 44px);
  background: var(--rust-soft); border: 1px solid #ecc9a8;
}
.callout .tag { background: #fff; }
.callout h3 { font-size: clamp(1.3rem,2.4vw,1.7rem); color: var(--rust-deep); margin: .6rem 0; }
.callout p { color: var(--rust-deep); opacity: .92; }

.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.stat { text-align: center; }
.stat .num { font-family: var(--font-serif); font-size: clamp(2.4rem,5vw,3.4rem); color: var(--rust); line-height: 1; font-style: italic; }
.stat .lbl { color: var(--ink-mute); font-size: .96rem; margin-top: .5rem; }

/* ------------------------------------------------------------- About story - */
.story { max-width: 720px; margin: 0 auto; }
.story p { font-size: clamp(1.08rem, 1.6vw, 1.22rem); line-height: 1.75; color: var(--ink-soft); margin-bottom: 1.5rem; }
.story p .drop {
  float: left; font-family: var(--font-serif); font-style: italic;
  font-size: 3.6rem; line-height: .78; color: var(--rust);
  padding: .08em .12em 0 0;
}
.pullquote {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(1.4rem, 2.8vw, 2rem); line-height: 1.35; color: var(--ink);
  border-left: 4px solid var(--rust); padding: .3em 0 .3em 1.1em;
  margin: 2.4rem 0;
}
.signature { font-family: var(--font-serif); font-style: italic; font-size: 1.5rem; color: var(--ink); margin-top: .4rem; }

/* --------------------------------------------------------- Download cards -- */
.dl-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 24px; align-items: stretch; }
.dl-card {
  border-radius: var(--radius); padding: clamp(28px,4vw,42px);
  border: 1px solid var(--border-soft); background: var(--surface);
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.dl-card.feature { background: linear-gradient(170deg, #fff, var(--cream-soft)); border-color: #ecdcc6; }
.dl-icon { width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 20px; }
.dl-card h3 { font-size: 1.5rem; margin-bottom: .5rem; }
.dl-card p { color: var(--ink-mute); }
.dl-card .grow { flex: 1; }
.dl-meta { display: flex; gap: 18px; flex-wrap: wrap; margin: 18px 0 22px; color: var(--ink-mute); font-size: .88rem; }
.dl-meta span { display: inline-flex; align-items: center; gap: .4em; }
.coming-soon {
  display: inline-flex; align-items: center; gap: .5em;
  background: var(--cream-deep); color: var(--ink-soft);
  border-radius: 100px; padding: .55em 1.1em; font-weight: 600; font-size: .92rem;
}
.coming-soon .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.7); } }

.store-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* notify form */
.notify { display: flex; gap: 10px; margin-top: 6px; flex-wrap: wrap; }
.notify input {
  flex: 1; min-width: 0; font: inherit; font-size: .98rem;
  padding: .85em 1.1em; border-radius: 100px;
  border: 1.5px solid var(--border); background: #fff; color: var(--ink);
}
.notify input:focus { outline: none; border-color: var(--rust); }
.notify-note { font-size: .82rem; color: var(--ink-mute); margin-top: 10px; }

/* --------------------------------------------------------------- FAQ ------- */
.faq { max-width: 760px; margin: 0 auto; }

/* --------------------------------------------------------------- CTA band -- */
.cta-band { text-align: center; position: relative; overflow: hidden; }
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); margin-bottom: 1rem; }
.cta-glow {
  position: absolute; z-index: 0; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(194,80,10,.4), transparent 65%);
  left: 50%; top: 50%; transform: translate(-50%,-50%); pointer-events: none;
}

/* --------------------------------------------------------------- Footer ---- */
.footer { background: var(--ink); color: #cfc6b8; padding: 70px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.footer .brand { color: var(--cream); }
.footer h4 { color: var(--cream); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; font-weight: 700; }
.footer a { color: #b6ab9c; font-size: .95rem; display: block; padding: 6px 0; transition: color .2s; }
.footer a:hover { color: var(--cream); }
.footer-tag { margin: 14px 0 0; max-width: 30ch; font-size: .95rem; color: #a99e8f; }
.footer-bottom {
  margin-top: 50px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: .86rem; color: #897f72;
}

/* ---------------------------------------------------- Reveal animations ---- */
[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal="left"]  { transform: translateX(-34px); }
[data-reveal="right"] { transform: translateX(34px); }
[data-reveal="scale"] { transform: scale(.94); }
[data-reveal].in { transform: none; }

/* progress bar */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--rust), var(--gold));
  z-index: 200; transition: width .1s linear;
}

/* ------------------------------------------------------------ Responsive --- */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero .lead { max-width: 46ch; }
  .hero-device-wrap { max-width: 540px; margin: 0 auto; width: 100%; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media { order: 0; }
  .split-media { max-width: 560px; margin-inline: auto; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .dl-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 760px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .hero-trust { gap: .8rem 1.2rem; }
  .hero-device-wrap .badge-float { display: none; }
}

@media (max-width: 560px) {
  .grid-3, .grid-4, .grid-2, .stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .btn { width: 100%; }
  .hero-cta .btn, .store-row .btn { width: 100%; }
  .container { padding: 0 20px; }
}

/* --------------------------------------------------- Reduced motion ------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .device.float, .badge-float { animation: none !important; }
}