/* ============ Седьмое касание — конструктивизм / агитплакат ============ */
:root {
  --paper: #f2eee3;
  --paper-2: #eae4d4;
  --ink: #16130d;
  --ink-dim: #6e675a;
  --red: #d63a1e;
  --red-deep: #a82a12;
  --line: rgba(22, 19, 13, 0.85);
  --hairline: rgba(22, 19, 13, 0.16);
  --display: 'Russo One', sans-serif;
  --body: 'IBM Plex Sans', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--red); color: var(--paper); }
a { color: inherit; text-decoration: none; }

/* newsprint grain */
.grain {
  position: fixed; inset: -100px; z-index: 60; pointer-events: none;
  opacity: 0.5; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.88 0 0 0 0 0.85 0 0 0 0 0.78 0 0 0 0.06 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 0.9s steps(4) infinite;
}
@keyframes grain { 0%{transform:translate(0,0)} 25%{transform:translate(-40px,30px)} 50%{transform:translate(30px,-50px)} 75%{transform:translate(-30px,-20px)} 100%{transform:translate(0,0)} }

/* red square cursor */
.cursor {
  position: fixed; z-index: 70; width: 12px; height: 12px; border-radius: 0;
  background: var(--red); pointer-events: none;
  transform: translate(-50%, -50%) rotate(45deg);
  transition: width .25s, height .25s, opacity .25s, transform .25s;
  opacity: 0;
}
.cursor.on { opacity: 1; }
.cursor.grow { width: 40px; height: 40px; background: transparent; border: 2px solid var(--red); transform: translate(-50%, -50%) rotate(0deg); }
@media (hover: none) { .cursor { display: none; } }

/* scroll progress */
.progress-bar { position: fixed; top: 0; left: 0; right: 0; height: 4px; z-index: 65; background: transparent; }
.progress-bar span { display: block; height: 100%; width: 0; background: var(--red); }

/* ============ topbar ============ */
.topbar {
  position: fixed; z-index: 50; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 56px);
  transition: background .4s, padding .4s, border-color .4s;
  border-bottom: 2px solid transparent;
}
.topbar.scrolled { background: var(--paper); padding-block: 10px; border-bottom: 2px solid var(--ink); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid; place-items: center; width: 38px; height: 38px;
  font-family: var(--display); font-style: normal; font-size: 22px; color: var(--paper);
  background: var(--red);
  border-radius: 0;
  box-shadow: 3px 3px 0 var(--ink);
}
.brand-name { font-family: var(--display); font-weight: 400; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
.topnav { display: flex; gap: clamp(16px, 2.5vw, 36px); }
.topnav a { font-family: var(--mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-dim); transition: color .3s, background .3s; padding: 2px 6px; }
.topnav a:hover { color: var(--paper); background: var(--ink); }
.topbar-cta {
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  border: 2px solid var(--ink); color: var(--ink);
  padding: 9px 20px; border-radius: 0; transition: all .25s;
  background: var(--paper);
}
.topbar-cta:hover { background: var(--red); border-color: var(--red); color: var(--paper); box-shadow: 4px 4px 0 var(--ink); transform: translate(-2px, -2px); }
@media (max-width: 860px) { .topnav { display: none; } }

/* ============ sequence stages ============ */
.seq-stage { position: relative; }
.seq-pin { position: relative; height: 100vh; height: 100svh; overflow: hidden; }
.seq-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; background: var(--paper); }
.seq-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 52%, rgba(242,238,227,.45) 100%),
    linear-gradient(to bottom, rgba(242,238,227,.4), transparent 16%, transparent 80%, var(--paper) 100%);
}
.seq-layer { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; padding: 0 clamp(24px, 7vw, 110px); will-change: opacity, transform; }

/* hero title layer */
.hero-title { align-items: center; text-align: center; }
.hero-over { font-family: var(--mono); font-size: clamp(12px, 1.3vw, 15px); letter-spacing: .42em; text-transform: uppercase; color: var(--red); margin-bottom: 26px; background: var(--paper); padding: 4px 14px; outline: 2px solid var(--red); }
.hero-h1 {
  font-family: var(--display); font-weight: 400; text-transform: uppercase;
  font-size: clamp(40px, 8.2vw, 118px); line-height: 1.0; letter-spacing: .01em;
  display: flex; flex-direction: column;
  text-shadow: 0 3px 40px rgba(242,238,227,.95);
}
.hero-h1-line2 { color: var(--red); animation: stamp 4s ease-in-out infinite; }
@keyframes stamp { 0%, 88%, 100% { color: var(--red); } 92%, 96% { color: var(--ink); } }
.hero-sub { margin-top: 30px; font-size: clamp(15px, 1.6vw, 19px); color: var(--ink); font-weight: 500; background: rgba(242,238,227,.8); padding: 6px 16px; }
.hero-scroll { position: absolute; bottom: 38px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: var(--ink-dim); display: flex; flex-direction: column; align-items: center; gap: 12px; }
.hero-scroll span { width: 2px; height: 52px; background: linear-gradient(var(--red), transparent); display: block; animation: drop 2s ease-in-out infinite; }
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* scrub captions */
.seq-caption { justify-content: flex-end; padding-bottom: 16vh; opacity: 0; }
.seq-caption.right { align-items: flex-end; text-align: right; }
.cap-kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .3em; text-transform: uppercase; color: var(--paper); background: var(--red); display: inline-block; width: fit-content; padding: 3px 10px; margin-bottom: 16px; }
.seq-caption.right .cap-kicker { align-self: flex-end; }
.cap-h { font-family: var(--display); font-weight: 400; font-size: clamp(26px, 4.6vw, 62px); line-height: 1.08; text-transform: uppercase; text-shadow: 0 2px 30px rgba(242,238,227,.95), 0 0 12px rgba(242,238,227,.8); }
.cap-h.gold-num { font-size: clamp(48px, 9vw, 140px); color: var(--red); }
.cap-sub { margin-top: 14px; font-family: var(--mono); color: var(--ink-dim); letter-spacing: .12em; text-transform: uppercase; font-size: 13px; }

/* ============ marquee ============ */
.marquee { background: var(--red); color: var(--paper); border-block: 2px solid var(--ink); overflow: hidden; padding: 12px 0; }
.marquee-track { display: flex; white-space: nowrap; width: max-content; animation: marquee 22s linear infinite; }
.marquee-track span { font-family: var(--display); font-size: clamp(15px, 1.8vw, 22px); text-transform: uppercase; letter-spacing: .06em; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============ shared section chrome ============ */
.kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .3em; text-transform: uppercase; color: var(--red); margin-bottom: 18px; }
.kicker::before { content: '// '; }
.section-h { font-family: var(--display); font-weight: 400; font-size: clamp(34px, 5.5vw, 70px); text-transform: uppercase; line-height: 1.05; margin-bottom: clamp(36px, 5vw, 70px); }
.reveal { opacity: 0; transform: translateY(44px); }

/* ============ manifesto ============ */
.manifest { padding: clamp(90px, 13vw, 190px) clamp(24px, 7vw, 110px) clamp(70px, 9vw, 130px); position: relative; }
.manifest::before { content: '7'; position: absolute; right: 4vw; top: 0; font-family: var(--display); font-size: clamp(200px, 32vw, 520px); line-height: 1; color: transparent; -webkit-text-stroke: 2px rgba(214,58,30,.3); pointer-events: none; transform: rotate(8deg); }
.manifest-h { font-family: var(--display); font-weight: 400; font-size: clamp(38px, 6.5vw, 86px); text-transform: uppercase; margin-bottom: clamp(36px, 5vw, 64px); }
.manifest-h em { font-style: normal; color: var(--paper); background: var(--red); padding: 0 16px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.manifest-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 80px); max-width: 1240px; }
.manifest-lead { font-size: clamp(20px, 2.3vw, 30px); line-height: 1.45; font-weight: 600; border-left: 6px solid var(--red); padding-left: clamp(16px, 2vw, 28px); }
.manifest-body { color: var(--ink-dim); font-size: clamp(15px, 1.4vw, 18px); align-self: end; }
.manifest-rule { display: flex; gap: clamp(10px, 2vw, 26px); margin-top: clamp(48px, 6vw, 90px); align-items: center; }
.manifest-rule i { flex: 1; height: 2px; background: var(--ink); position: relative; }
.manifest-rule i::after { content: ''; position: absolute; right: -5px; top: -4px; width: 10px; height: 10px; background: var(--ink); transform: rotate(45deg); }
.manifest-rule i.gold { background: var(--red); height: 4px; }
.manifest-rule i.gold::after { background: var(--red); width: 14px; height: 14px; top: -5px; }
@media (max-width: 820px) { .manifest-grid { grid-template-columns: 1fr; } }

/* ============ stats ============ */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 2px solid var(--ink);
  margin: 0 clamp(24px, 7vw, 110px);
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--red);
}
.stat { padding: clamp(34px, 4vw, 60px) clamp(16px, 2vw, 36px); border-left: 2px solid var(--ink); }
.stat:first-child { border-left: none; }
.stat b { display: block; font-family: var(--display); font-weight: 400; font-size: clamp(30px, 4.2vw, 58px); color: var(--red); margin-bottom: 10px; }
.stat span { font-family: var(--mono); color: var(--ink-dim); font-size: 13px; letter-spacing: .02em; }
@media (max-width: 820px) { .stats { grid-template-columns: 1fr 1fr; } .stat:nth-child(3) { border-left: none; } .stat:nth-child(n+3) { border-top: 2px solid var(--ink); } }

/* ============ services ============ */
.services { padding: clamp(90px, 12vw, 180px) clamp(24px, 7vw, 110px); }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--ink); border: 2px solid var(--ink); }
.svc { background: var(--paper); padding: clamp(28px, 3vw, 46px); position: relative; transition: background .3s, color .3s; overflow: hidden; }
.svc::after { content: ''; position: absolute; inset: 0; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(214,58,30,.12), transparent 65%); opacity: 0; transition: opacity .4s; pointer-events: none; }
.svc:hover { background: var(--ink); color: var(--paper); }
.svc:hover::after { opacity: 1; }
.svc-n { font-family: var(--mono); font-size: 16px; color: var(--paper); background: var(--red); width: fit-content; padding: 4px 10px; display: block; margin-bottom: 50px; }
.svc h3 { font-family: var(--display); font-weight: 400; font-size: clamp(17px, 1.5vw, 21px); margin-bottom: 14px; line-height: 1.3; text-transform: uppercase; }
.svc p { color: var(--ink-dim); font-size: 15px; transition: color .3s; }
.svc:hover p { color: rgba(242,238,227,.75); }
@media (max-width: 1020px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .svc-grid { grid-template-columns: 1fr; } .svc-n { margin-bottom: 24px; } }

/* ============ process: seven touches ============ */
.process { padding: clamp(90px, 12vw, 180px) clamp(24px, 7vw, 110px); background: var(--paper-2); border-block: 2px solid var(--ink); }
.process-lead { max-width: 560px; color: var(--ink-dim); margin-bottom: clamp(44px, 6vw, 80px); }
.touch-list { list-style: none; max-width: 980px; counter-reset: none; }
.touch { display: flex; gap: clamp(22px, 4vw, 56px); padding: clamp(22px, 3vw, 36px) 0; border-bottom: 2px solid var(--hairline); align-items: baseline; transition: padding-left .3s, border-color .3s; }
.touch:hover { padding-left: 14px; border-bottom-color: var(--ink); }
.t-n {
  font-family: var(--display); font-size: clamp(24px, 3vw, 40px);
  color: var(--paper); background: var(--ink); min-width: 1.9em; line-height: 1.9em; height: 1.9em; text-align: center;
}
.touch h3 { font-family: var(--display); font-weight: 400; font-size: clamp(18px, 2vw, 25px); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; }
.touch p { color: var(--ink-dim); font-size: 15px; }
.touch.gold { border-bottom: 4px solid var(--red); }
.touch.gold .t-n { background: var(--red); box-shadow: 4px 4px 0 var(--ink); }
.touch.gold h3 { color: var(--red); }

/* ============ cases ============ */
.cases { padding: clamp(90px, 12vw, 180px) clamp(24px, 7vw, 110px); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.5vw, 36px); }
.case {
  border: 2px solid var(--ink); border-radius: 0;
  padding: clamp(26px, 3vw, 42px);
  background: var(--paper);
  transition: transform .25s, box-shadow .25s;
}
.case:hover { transform: translate(-6px, -6px); box-shadow: 10px 10px 0 var(--red); }
.case-tag { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--red); margin-bottom: 20px; }
.case h3 { font-family: var(--display); font-weight: 400; font-size: clamp(18px, 1.7vw, 22px); line-height: 1.3; margin-bottom: 14px; text-transform: uppercase; }
.case-body { color: var(--ink-dim); font-size: 15px; margin-bottom: 30px; }
.case-metrics { display: flex; gap: 34px; border-top: 2px solid var(--ink); padding-top: 22px; }
.case-metrics b { display: block; font-family: var(--display); font-weight: 400; font-size: clamp(20px, 2vw, 27px); color: var(--red); }
.case-metrics span { font-family: var(--mono); font-size: 12px; color: var(--ink-dim); letter-spacing: .04em; }
@media (max-width: 1020px) { .case-grid { grid-template-columns: 1fr; max-width: 640px; } }

/* ============ contact ============ */
.contact {
  position: relative; padding: clamp(110px, 16vw, 230px) clamp(24px, 7vw, 110px);
  text-align: center; overflow: hidden;
}
.contact::before {
  content: ''; position: absolute; inset: 0;
  background: url('../assets/hero.png') center 30% / cover no-repeat;
  opacity: .4;
}
.contact::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(242,238,227,.35), var(--paper) 84%); }
.contact-inner { position: relative; z-index: 1; }
.contact-h { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: clamp(44px, 8.6vw, 124px); line-height: 1.02; }
.contact-h em { font-style: normal; color: var(--paper); background: var(--red); padding: 0 20px; }
.contact-sub { max-width: 520px; margin: 30px auto 44px; color: var(--ink); font-weight: 500; }
.contact-actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.btn-gold, .btn-ghost {
  font-family: var(--mono); font-weight: 600; font-size: 15px; letter-spacing: .04em;
  padding: 18px 42px; border-radius: 0; transition: all .25s;
}
.btn-gold { background: var(--red); color: var(--paper); border: 2px solid var(--ink); box-shadow: 6px 6px 0 var(--ink); }
.btn-gold:hover { transform: translate(-3px, -3px); box-shadow: 10px 10px 0 var(--ink); }
.btn-ghost { border: 2px solid var(--ink); color: var(--ink); background: var(--paper); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ============ footer ============ */
.footer {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  padding: 34px clamp(24px, 7vw, 110px);
  border-top: 2px solid var(--ink);
  background: var(--paper-2);
}
.footer-brand { display: flex; align-items: center; gap: 12px; font-family: var(--display); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.footer-brand .brand-mark { width: 30px; height: 30px; font-size: 17px; }
.footer-legal { font-family: var(--mono); color: var(--ink-dim); font-size: 12px; }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  .grain, .cursor { display: none; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}