/* ============================================================
   РЯДЫШКОМ · marketing site · "celestial editorial keepsake"
   Bento-box layout · warm cream · copper + dusty-blue · ALS Alumna
   Pure CSS, no build step. Mirrors the PDF/card design system.
   ============================================================ */

/* ---- brand display face (the real product serif) ---------- */
@font-face {
  font-family: 'ALS Alumna';
  src: url('assets/fonts/ALS-Alumna.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  /* copper accent family */
  --copper:        #B27A54;
  --copper-bright: #C98C5E;
  --copper-soft:   #CBA07C;
  --copper-deep:   #8E5E3C;
  --copper-ink:    #6E4A30;

  /* dusty blue */
  --blue:      #5E6E8C;
  --blue-soft: #8A97AE;
  --blue-mist: #BEC9E0;

  /* cream paper + panels */
  --cream:       #F5ECDC;
  --cream-mid:   #F0E7D5;
  --cream-fill:  #EFE3CE;
  --panel-cool:  #E7EAF1;
  --blush:       #F3DAC4;
  --glow-peach:  #ECCDB1;
  --paper-card:  #FBF5E9;

  /* ink */
  --ink:       #3B352C;
  --ink-dim:   #6E675B;
  --ink-faint: #A99E8B;

  /* hairlines + borders */
  --line:        rgba(59, 53, 44, 0.14);
  --line-strong: rgba(59, 53, 44, 0.22);
  --edge:        rgba(178, 122, 84, 0.30);
  --edge-strong: rgba(178, 122, 84, 0.52);

  /* type */
  --serif: 'ALS Alumna', 'PT Serif', Georgia, 'Times New Roman', serif;
  --sans:  'Helvetica Neue', 'Segoe UI', Arial, sans-serif;

  /* shape + depth (warm-toned shadows, never harsh black) */
  --r-lg: 30px;
  --r-md: 20px;
  --r-sm: 14px;
  --r-pill: 100px;
  --shadow-sm: 0 1px 2px rgba(94, 66, 42, 0.05), 0 4px 14px rgba(94, 66, 42, 0.06);
  --shadow-md: 0 2px 5px rgba(94, 66, 42, 0.06), 0 16px 40px rgba(94, 66, 42, 0.10);
  --shadow-lg: 0 4px 10px rgba(94, 66, 42, 0.07), 0 30px 70px rgba(94, 66, 42, 0.14);
  --shadow-inset: inset 0 1px 0 rgba(255, 252, 244, 0.7);

  /* rhythm */
  --gap: clamp(14px, 1.6vw, 22px);
  --pad: clamp(22px, 5vw, 64px);
  --maxw: 1240px;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
body {
  margin: 0;
  font-family: var(--serif);
  color: var(--ink);
  background-color: var(--cream);
  line-height: 1.6;
  font-size: clamp(16px, 1.05vw + 12px, 18px);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-weight: 400; margin: 0; letter-spacing: -0.012em; line-height: 1.08; }
p { margin: 0; }
::selection { background: rgba(178, 122, 84, 0.24); color: var(--ink); }

/* ============================================================
   ATMOSPHERE — layered glows + grain, fixed behind everything
   (mirrors the PDF @page radial-gradient stack)
   ============================================================ */
.sky {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(70vw 60vh at 88% -6%,  rgba(236, 203, 180, 0.55) 0%, rgba(236, 203, 180, 0) 60%),
    radial-gradient(60vw 60vh at 6% 102%,  rgba(190, 201, 224, 0.42) 0%, rgba(190, 201, 224, 0) 62%),
    radial-gradient(80vw 70vh at 50% 38%,  rgba(255, 250, 240, 0.6)  0%, rgba(255, 250, 240, 0) 70%),
    linear-gradient(180deg, var(--cream) 0%, var(--cream-mid) 50%, var(--cream) 100%);
}
.sky::after { /* film grain */
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.4;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}
.stars { /* faint copper star dust, drifting */
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 24%, var(--copper-soft) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 78% 12%, var(--copper-soft) 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 64% 62%, var(--blue-soft) 50%, transparent 51%),
    radial-gradient(1.1px 1.1px at 32% 78%, var(--copper-soft) 50%, transparent 51%),
    radial-gradient(1.3px 1.3px at 90% 70%, var(--blue-soft) 50%, transparent 51%),
    radial-gradient(1px 1px at 46% 36%, var(--copper-soft) 50%, transparent 51%);
  animation: drift 38s linear infinite alternate;
}
@keyframes drift { from { transform: translate3d(0,0,0); } to { transform: translate3d(-16px, 12px, 0); } }

/* ============================================================
   SHELL + SECTION RHYTHM
   ============================================================ */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(54px, 8vh, 104px); position: relative; }
.section--tight { padding-block: clamp(34px, 5vh, 60px); }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--copper-soft);
  display: inline-block;
}
.section-head { max-width: 56ch; margin-bottom: clamp(26px, 4vh, 44px); }
.section-head h2 {
  font-size: clamp(2rem, 1.2rem + 2.6vw, 3.3rem);
  margin-top: 0.5em;
  color: var(--ink);
}
.section-head p { margin-top: 0.8em; color: var(--ink-dim); font-size: 1.12rem; max-width: 48ch; }
.accent { color: var(--copper); }
em { font-style: italic; color: var(--copper); }

/* ============================================================
   BENTO GRID
   ============================================================ */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(120px, auto);
  gap: var(--gap);
  grid-auto-flow: dense;
}
.tile {
  position: relative;
  border-radius: var(--r-lg);
  padding: clamp(20px, 2vw, 30px);
  background: var(--paper-card);
  border: 1px solid var(--edge);
  box-shadow: var(--shadow-sm), var(--shadow-inset);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  isolation: isolate;
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.45s ease, border-color 0.45s ease;
}
.tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-md), var(--shadow-inset); border-color: var(--edge-strong); }

/* span helpers */
.c2 { grid-column: span 2; } .c3 { grid-column: span 3; }
.c4 { grid-column: span 4; } .c6 { grid-column: span 6; }
.r2 { grid-row: span 2; } .r3 { grid-row: span 3; }

/* surface variants */
.tile--cream  { background: linear-gradient(160deg, var(--paper-card), var(--cream-fill)); }
.tile--cool   { background: linear-gradient(160deg, #F1F3F8, var(--panel-cool)); border-color: rgba(94, 110, 140, 0.22); }
.tile--blush  { background: linear-gradient(155deg, #FBEBDB, var(--blush)); }
.tile--copper {
  background: radial-gradient(120% 130% at 12% 8%, #5A3F2C 0%, #3E2A1C 60%, #34241A 100%);
  border-color: rgba(203, 160, 124, 0.34);
  color: var(--cream);
  box-shadow: var(--shadow-md);
}
.tile--copper .tile-eyebrow { color: var(--copper-soft); }
.tile--copper .tile-kicker  { color: rgba(245, 236, 220, 0.7); }
.tile--ghost  { background: rgba(251, 245, 233, 0.5); border-style: dashed; box-shadow: none; }

/* in-tile typography */
.tile-eyebrow {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 600;
  margin-bottom: auto;
}
.tile h3 { font-size: clamp(1.3rem, 0.9rem + 1.3vw, 1.85rem); margin-top: 0.5em; }
.tile h3.big { font-size: clamp(1.7rem, 1rem + 2.4vw, 2.7rem); }
.tile p.tile-kicker { color: var(--ink-dim); margin-top: 0.55em; font-size: 0.98rem; line-height: 1.5; }
.tile .glyph { color: var(--copper); width: 46px; height: 46px; }
.tile--copper .glyph { color: var(--copper-soft); }

/* a soft corner glow inside select tiles */
.tile--halo::before {
  content: "";
  position: absolute;
  width: 60%; aspect-ratio: 1;
  top: -20%; right: -15%;
  background: radial-gradient(circle, rgba(236, 203, 180, 0.6), transparent 68%);
  z-index: -1;
}
.tile--halo-blue::before { background: radial-gradient(circle, rgba(190, 201, 224, 0.55), transparent 68%); top: auto; bottom: -22%; left: -16%; right: auto; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  background: rgba(245, 236, 220, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s ease, background 0.4s ease;
}
.nav.scrolled { border-color: var(--line); background: rgba(245, 236, 220, 0.86); }
.nav__in { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-block: 14px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 38px; height: 38px; }
.brand b { font-family: var(--serif); font-weight: 400; font-size: 1.5rem; color: var(--copper); letter-spacing: 0.01em; }
.nav__links { display: flex; gap: 28px; align-items: center; }
.nav__links a {
  font-family: var(--sans); font-size: 0.82rem; letter-spacing: 0.08em;
  color: var(--ink-dim); text-transform: uppercase; font-weight: 500;
  position: relative; padding-block: 6px; transition: color 0.3s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--copper); transition: width 0.35s ease;
}
.nav__links a:hover { color: var(--copper); }
.nav__links a:hover::after { width: 100%; }
.nav__cta { display: inline-flex; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  --bg: var(--copper); --fg: var(--cream);
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--sans); font-size: 0.92rem; font-weight: 600; letter-spacing: 0.02em;
  padding: 0.86em 1.4em; border-radius: var(--r-pill);
  background: var(--bg); color: var(--fg); border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s cubic-bezier(0.2,0.8,0.2,1), box-shadow 0.3s, filter 0.3s, background 0.3s;
  position: relative; overflow: hidden;
}
.btn svg { width: 1.15em; height: 1.15em; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); filter: brightness(1.04); }
.btn:active { transform: translateY(0); }
.btn--lg { font-size: 1.02rem; padding: 1.05em 1.8em; }
.btn--solid { background: linear-gradient(135deg, var(--copper-bright), var(--copper-deep)); }
.btn--ghost { --bg: transparent; --fg: var(--copper-deep); border-color: var(--edge-strong); box-shadow: none; }
.btn--ghost:hover { background: rgba(178, 122, 84, 0.08); box-shadow: none; }
.btn--light { --bg: var(--cream); --fg: var(--copper-deep); }
/* sheen sweep */
.btn--solid::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.34) 48%, transparent 62%);
  transform: translateX(-130%); transition: transform 0.7s ease;
}
.btn--solid:hover::after { transform: translateX(130%); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding-top: clamp(30px, 5vh, 56px); }
.hero .bento { grid-auto-rows: minmax(116px, auto); }

.hero-main { justify-content: space-between; gap: 22px; }
.hero-main h1 {
  font-size: clamp(2.5rem, 1.3rem + 4.4vw, 4.6rem);
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-top: 0.32em;
}
.hero-main h1 .ln { display: block; }
.hero-lede { color: var(--ink-dim); font-size: clamp(1.05rem, 0.9rem + 0.6vw, 1.3rem); max-width: 40ch; margin-top: 0.2em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 6px; }
.hero-note { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink-faint); display: flex; align-items: center; gap: 0.5em; }
.hero-note .dot { width: 6px; height: 6px; border-radius: 50%; background: #79A06B; box-shadow: 0 0 0 3px rgba(121,160,107,0.18); }

/* wheel tile */
.wheel-tile { align-items: center; justify-content: center; padding: 0; }
.wheel-tile .wheel { width: 88%; max-width: 320px; aspect-ratio: 1; }
.wheel-rotor { transform-origin: 140px 140px; animation: spin 120s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* stat tiles */
.stat .num { font-size: clamp(2.4rem, 1.4rem + 3vw, 3.6rem); color: var(--copper); line-height: 1; margin-top: 0.2em; }
.stat .lbl { font-family: var(--sans); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-dim); margin-top: 0.6em; }
.tile--copper .stat .num { color: var(--cream); }

/* marquee-ish trust row inside a wide tile */
.creds { display: flex; flex-wrap: wrap; gap: 10px 26px; align-items: center; }
.creds span { font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.04em; color: var(--ink-dim); display: inline-flex; align-items: center; gap: 0.55em; }
.creds svg { width: 18px; height: 18px; color: var(--copper); }

/* ============================================================
   STEPS (how it works)
   ============================================================ */
.step { counter-increment: step; }
.step .step-no {
  font-family: var(--serif); font-size: 2.6rem; color: var(--copper-soft); line-height: 0.8;
}
.step .step-no::before { content: "0" counter(step); }
.step h3 { margin-top: 0.4em; }
.steps-grid { counter-reset: step; }

/* ============================================================
   FEATURE GLYPH TILES
   ============================================================ */
.feat .glyph { margin-bottom: 6px; }
.feat h3 { font-size: 1.32rem; }
.feat p { color: var(--ink-dim); font-size: 0.96rem; margin-top: 0.45em; }

/* ============================================================
   SWAP — «вместо → попробуй» signature
   ============================================================ */
.swap { gap: 18px; }
.swap-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.swap-stage { display: grid; gap: 12px; margin-top: 6px; }
.swap-row {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 14px;
}
.swap-card { border-radius: var(--r-md); padding: 16px 18px; font-size: 1.05rem; line-height: 1.35; position: relative; }
.swap-card .mini { font-family: var(--sans); font-size: 0.62rem; letter-spacing: 0.24em; text-transform: uppercase; display: block; margin-bottom: 6px; }
.swap-from { background: rgba(59,53,44,0.04); border: 1px solid var(--line); color: var(--ink-dim); }
.swap-from .txt { text-decoration: line-through; text-decoration-color: var(--ink-faint); text-decoration-thickness: 1px; }
.swap-from .mini { color: var(--ink-faint); }
.swap-to { background: linear-gradient(150deg, #FBEBDB, var(--blush)); border: 1px solid var(--edge); color: var(--copper-deep); }
.swap-to .mini { color: var(--copper); }
.swap-arrow { align-self: center; color: var(--copper); }
.swap-arrow svg { width: 26px; height: 26px; }
.swap-dots { display: inline-flex; gap: 8px; }
.swap-dots button { width: 8px; height: 8px; border-radius: 50%; border: none; background: var(--edge); padding: 0; transition: background 0.3s, transform 0.3s; }
.swap-dots button[aria-current="true"] { background: var(--copper); transform: scale(1.25); }

/* ============================================================
   SHOWCASE (deliverable images)
   ============================================================ */
.showcase-grid { align-items: stretch; }
.frame {
  position: relative; border-radius: var(--r-md); overflow: hidden;
  border: 1px solid var(--edge); background: var(--paper-card);
  box-shadow: var(--shadow-md); padding: 0;
}
.frame img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform 0.8s cubic-bezier(0.2,0.8,0.2,1); }
.frame:hover img { transform: scale(1.04); }
.frame figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 30px 20px 16px;
  font-family: var(--sans); font-size: 0.74rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cream);
  background: linear-gradient(0deg, rgba(46,32,22,0.72), transparent);
}

/* ============================================================
   PRICE
   ============================================================ */
.price-row { display: flex; align-items: baseline; gap: 10px; margin-top: 0.2em; }
.price-row .amt { font-size: clamp(3rem, 1.6rem + 4vw, 4.6rem); color: var(--cream); line-height: 0.9; }
.price-row .cur { font-size: 1.6rem; color: var(--copper-soft); }
.price-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 11px; }
.price-list li { display: flex; gap: 12px; align-items: flex-start; color: rgba(245,236,220,0.86); font-size: 1rem; line-height: 1.4; }
.price-list svg { width: 20px; height: 20px; color: var(--copper-soft); flex: none; margin-top: 2px; }
.price-free { display: flex; flex-direction: column; justify-content: center; gap: 6px; }
.price-free .tag { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: #6F9A61; }
.price-free h3 { color: var(--ink); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
.faq details {
  border: 1px solid var(--edge); border-radius: var(--r-md); background: var(--paper-card);
  padding: 6px 22px; box-shadow: var(--shadow-sm); transition: border-color 0.3s, box-shadow 0.3s;
}
.faq details[open] { border-color: var(--edge-strong); box-shadow: var(--shadow-md); }
.faq summary {
  list-style: none; cursor: pointer; padding: 16px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  font-size: 1.16rem; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm { width: 22px; height: 22px; flex: none; position: relative; color: var(--copper); transition: transform 0.35s ease; }
.faq details[open] summary .pm { transform: rotate(45deg); }
.faq p { color: var(--ink-dim); padding: 0 0 18px; font-size: 1rem; max-width: 60ch; }

/* ============================================================
   CLOSING CTA
   ============================================================ */
.closing { text-align: center; }
.closing .tile { align-items: center; text-align: center; padding-block: clamp(40px, 7vh, 76px); }
.closing h2 { font-size: clamp(2.2rem, 1.2rem + 3.6vw, 4rem); max-width: 18ch; margin-inline: auto; }
.closing p { color: rgba(245,236,220,0.82); margin-top: 1em; max-width: 44ch; margin-inline: auto; }
.closing .hero-cta { justify-content: center; margin-top: 26px; }
.closing .moon { width: 64px; height: 64px; color: var(--copper-soft); margin-bottom: 4px; }

/* ============================================================
   FOOTER
   ============================================================ */
.foot { border-top: 1px solid var(--line); padding-block: clamp(34px, 5vh, 56px) 40px; }
.foot__top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; }
.foot__links { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.foot__links a { font-family: var(--sans); font-size: 0.84rem; color: var(--ink-dim); letter-spacing: 0.03em; transition: color 0.3s; }
.foot__links a:hover { color: var(--copper); }
.foot__fine { margin-top: 26px; color: var(--ink-faint); font-family: var(--sans); font-size: 0.76rem; line-height: 1.6; max-width: 70ch; }
.foot .brand b { font-size: 1.3rem; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }
.bento .reveal:nth-child(2) { transition-delay: 0.06s; }
.bento .reveal:nth-child(3) { transition-delay: 0.12s; }
.bento .reveal:nth-child(4) { transition-delay: 0.18s; }
.bento .reveal:nth-child(5) { transition-delay: 0.24s; }
.bento .reveal:nth-child(6) { transition-delay: 0.3s; }
.bento .reveal:nth-child(7) { transition-delay: 0.36s; }
.bento .reveal:nth-child(8) { transition-delay: 0.42s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1000px) {
  .bento { grid-template-columns: repeat(4, 1fr); }
  .c4, .c6 { grid-column: span 4; }
  .c3 { grid-column: span 2; }
  .nav__links { display: none; }
}
@media (max-width: 680px) {
  :root { --r-lg: 24px; }
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .c2, .c3, .c4, .c6 { grid-column: span 2; }
  .r2, .r3 { grid-row: auto; }
  .hero-main { grid-column: span 2; }
  .faq-grid { grid-template-columns: 1fr; }
  .swap-row { grid-template-columns: 1fr; }
  .swap-arrow { transform: rotate(90deg); justify-self: center; }
  .wheel-tile { min-height: 260px; }
  .nav__cta .btn span { display: none; }
}
@media (max-width: 400px) {
  .bento { grid-template-columns: 1fr; }
  .c2, .c3, .c4, .c6, .hero-main { grid-column: span 1; }
}