/* ============================================================
   Сбер — Система бренда · главная (обзор)
   ============================================================ */

/* ---------- HERO ---------- */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--nav-h) + 6vh) var(--gutter) 5vh;
  position: relative; overflow: clip;
}
.hero__eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: .18em; text-transform: uppercase; opacity: .85; }

.hero__word {
  display: flex; align-items: center; gap: clamp(10px, 2.5vw, 36px);
  font-size: clamp(88px, 22vw, 340px); font-weight: 900; line-height: .92;
  letter-spacing: -.045em; color: #fff; user-select: none;
  clip-path: inset(-20% -5% 0 -5%);
}
.hero__ring { flex: 0 0 auto; width: .72em; }
.hero__ring svg { width: 100%; animation: ring-float 7s ease-in-out infinite; }
.hero__ring-c { stroke-dasharray: 688 116; stroke-dashoffset: 804; animation: draw 1.4s var(--ease) .2s forwards; }
.hero__ring-v { stroke-dasharray: 200; stroke-dashoffset: 200; animation: draw .9s var(--ease) 1.2s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes ring-float { 0%,100% { transform: rotate(0deg); } 50% { transform: rotate(8deg); } }

.hero__letters { display: inline-flex; }
.hero__letters i { font-style: normal; display: inline-block; transform: translateY(110%) rotate(6deg); animation: letter-in .9s var(--ease) forwards; }
.hero__letters i:nth-child(1) { animation-delay: .35s; }
.hero__letters i:nth-child(2) { animation-delay: .43s; }
.hero__letters i:nth-child(3) { animation-delay: .51s; }
.hero__letters i:nth-child(4) { animation-delay: .59s; }
@keyframes letter-in { to { transform: none; } }

.hero__foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.hero__note { font-size: clamp(17px, 1.6vw, 22px); font-weight: 600; line-height: 1.4; }

/* ---------- Маркиза ---------- */
.marquee { background: var(--black); color: var(--paper); overflow: clip; padding: 18px 0; }
.marquee__track { display: flex; white-space: nowrap; width: max-content; will-change: transform; }
.marquee__track span { font-size: clamp(22px, 3.4vw, 40px); font-weight: 800; letter-spacing: -.02em; padding-right: .5em; }

/* ---------- Мозаика разделов ---------- */
.mosaic { padding: clamp(56px, 9vh, 120px) var(--gutter); background: var(--paper); }
.mosaic__head { max-width: var(--maxw); margin: 0 auto clamp(32px, 5vh, 56px); }
.mosaic__grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: minmax(210px, 25vh); gap: 14px; max-width: var(--maxw); margin-inline: auto; }

.tile {
  position: relative; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 26px; border-radius: var(--r-tile); overflow: clip;
  transition: transform .45s var(--ease-spring), box-shadow .45s var(--ease);
  will-change: transform;
}
.tile:hover { transform: scale(.975); }
.tile:active { transform: scale(.95); }
.tile--tall { grid-row: span 2; }
.tile--wide { grid-column: span 2; }
.tile--graphite { background: var(--graphite); color: #fff; }
.tile--green    { background: var(--green);    color: #fff; }
.tile--yellow   { background: var(--yellow);   color: var(--black); }
.tile--blue     { background: var(--blue);     color: #fff; }
.tile--sky      { background: var(--sky);      color: #fff; }
.tile--paper    { background: #fff; color: var(--black); box-shadow: inset 0 0 0 1.5px rgba(16,19,20,.12); }
.tile--gradient { background: var(--grad); background-size: 300% 100%; color: #fff; transition: transform .45s var(--ease-spring), background-position 1.2s var(--ease); }
.tile--gradient:hover { background-position: 100% 0; }

.tile__num { position: absolute; top: 22px; left: 26px; font-family: var(--mono); font-size: 13px; letter-spacing: .12em; opacity: .7; }
.tile__name { font-size: clamp(22px, 2.2vw, 30px); font-weight: 800; letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; }
.tile__name::after { content: "→"; font-weight: 700; transform: translateX(-6px); opacity: 0; transition: transform .3s var(--ease), opacity .3s; }
.tile:hover .tile__name::after { transform: none; opacity: 1; }
.tile__desc { font-size: 14px; opacity: .78; margin-top: 4px; }

.tile__visual { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.tile__visual--ring svg { width: 52%; transition: transform .6s var(--ease-spring); }
.tile:hover .tile__visual--ring svg { transform: rotate(-14deg) scale(1.06); }
.tile__visual--dots { display: flex; gap: 10px; }
.tile__visual--dots i { width: clamp(26px, 3vw, 42px); aspect-ratio: 1; border-radius: 50%; background: var(--c); transition: transform .5s var(--ease-spring); }
.tile:hover .tile__visual--dots i { transform: translateY(-10px); }
.tile:hover .tile__visual--dots i:nth-child(2) { transition-delay: .05s; }
.tile:hover .tile__visual--dots i:nth-child(3) { transition-delay: .1s; }
.tile:hover .tile__visual--dots i:nth-child(4) { transition-delay: .15s; }
.tile__visual--aa { font-size: clamp(60px, 7vw, 104px); font-weight: 900; letter-spacing: -.04em; transition: transform .5s var(--ease-spring); }
.tile:hover .tile__visual--aa { transform: scale(1.12) rotate(-4deg); }
.tile__visual--quote { font-size: clamp(52px, 6vw, 92px); font-weight: 900; transition: letter-spacing .5s var(--ease); }
.tile:hover .tile__visual--quote { letter-spacing: .3em; }
.tile__visual--grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tile__visual--grid i { width: clamp(18px,2vw,26px); aspect-ratio: 1; border-radius: 7px; background: currentColor; opacity: .85; transition: transform .5s var(--ease-spring); }
.tile:hover .tile__visual--grid i:nth-child(odd) { transform: scale(1.2); }
.tile__visual--wave svg { width: 60%; }

/* ---------- Полоса-стейтмент (градиент) ---------- */
.statement { padding: clamp(70px, 13vh, 150px) var(--gutter); }
.statement__inner { max-width: var(--maxw); margin-inline: auto; }
.statement p {
  font-size: clamp(30px, 5.4vw, 76px); font-weight: 900; line-height: 1.08;
  letter-spacing: -.03em; max-width: 20ch; text-wrap: balance;
}

/* ---------- Голос-тизер ---------- */
.voice-strip { padding: clamp(60px, 11vh, 140px) var(--gutter); }
.voice-strip__inner { max-width: var(--maxw); margin-inline: auto; }
.voice-lines { display: grid; gap: clamp(8px, 1.8vh, 18px); margin-top: 36px; }
.voice-lines li { font-size: clamp(26px, 4.6vw, 62px); font-weight: 900; line-height: 1.1; letter-spacing: -.03em; color: rgba(255,255,255,.28); transition: color .5s ease, transform .5s var(--ease); }
.voice-lines li.is-lit { color: #fff; transform: translateX(clamp(8px, 1.5vw, 24px)); }

/* ---------- CTA-полоса ---------- */
.cta-band { padding: clamp(70px, 13vh, 150px) var(--gutter); text-align: center; }
.cta-band__inner { max-width: 900px; margin-inline: auto; }

@media (max-width: 1024px) {
  .mosaic__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: minmax(180px, 22vh); }
  .tile--tall { grid-row: span 1; }
}
@media (max-width: 720px) {
  .hero__word { font-size: clamp(72px, 23vw, 130px); }
  .hero__foot { flex-direction: column; align-items: flex-start; gap: 20px; }
  .mosaic__grid { grid-template-columns: 1fr; grid-auto-rows: minmax(170px, 24vh); }
  .tile--wide { grid-column: span 1; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__letters i, .hero__ring-c, .hero__ring-v { animation: none; }
  .hero__letters i { transform: none; }
  .hero__ring-c { stroke-dashoffset: 0; }
  .hero__ring-v { stroke-dashoffset: 0; }
  .voice-lines li { color: #fff; transform: none; }
  .marquee__track { transform: none !important; }
}