/* ---------- Base ---------- */
:root{
  --paper:#FAF6EF;
  --paper-alt:#F1E7D6;
  --ink:#23201B;
  --ink-soft:#5C5648;
  --ink-faint:#8A8272;
  --forest:#33503F;
  --forest-dark:#213328;
  --forest-tint:#EAF0EB;
  --clay:#C1743D;
  --clay-dark:#A85F2E;
  --line:rgba(35,32,27,.12);
  --paper-line:rgba(250,246,239,.16);
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-soft:0 24px 60px -28px rgba(33,30,24,.45);
  --shadow-card:0 14px 34px -20px rgba(33,30,24,.28);
  --font-display:"Fraunces", Georgia, "Times New Roman", serif;
  --font-body:"Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container:1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ font-family:var(--font-display); font-weight:600; line-height:1.12; margin:0 0 .5em; color:var(--ink); }
p{ margin:0 0 1em; color:var(--ink-soft); }
section{ scroll-margin-top:84px; }

.wrap{ max-width:var(--container); margin:0 auto; padding:0 24px; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--forest); color:#fff;
  padding:12px 18px; border-radius:0 0 10px 0; z-index:200;
}
.skip-link:focus{ left:0; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 24px; border-radius:999px;
  font-weight:600; font-size:15px; white-space:nowrap;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  border:1px solid transparent;
}
.btn-primary{ background:var(--clay); color:#fff; box-shadow:0 14px 28px -14px rgba(193,116,61,.65); }
.btn-primary:hover{ background:var(--clay-dark); transform:translateY(-2px); box-shadow:0 18px 32px -14px rgba(193,116,61,.75); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }
.btn-sm{ padding:10px 18px; font-size:14px; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(250,246,239,.7);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled{
  border-color:var(--line);
  box-shadow:0 10px 30px -22px rgba(33,30,24,.4);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:78px; gap:20px; }

.brand{ display:flex; align-items:center; gap:12px; flex-shrink:0; }
.brand-mark{
  width:42px; height:42px; border-radius:50%;
  background:var(--forest); color:var(--paper);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:600; font-size:16px;
  flex-shrink:0;
}
.brand-name{ display:flex; flex-direction:column; line-height:1.2; font-weight:700; font-size:15px; }
.brand-name em{ font-style:normal; font-weight:500; font-size:12px; color:var(--ink-faint); }

.nav{ display:flex; align-items:center; gap:30px; }
.nav a{ font-size:14.5px; font-weight:600; color:var(--ink-soft); position:relative; padding:6px 0; transition:color .2s ease; }
.nav a:hover{ color:var(--ink); }
.nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--clay); transform:scaleX(0); transform-origin:left; transition:transform .25s ease;
}
.nav a:hover::after{ transform:scaleX(1); }

.header-actions{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; border-radius:10px; background:transparent; border:1px solid var(--line);
  cursor:pointer;
}
.nav-toggle span{ display:block; height:2px; width:18px; margin:0 auto; background:var(--ink); border-radius:2px; transition:transform .3s ease, opacity .3s ease; }

/* ---------- Hero ---------- */
.hero{ position:relative; padding:76px 0 90px; overflow:hidden; }
.hero::before{
  content:""; position:absolute; inset:-15% -10% auto -10%; height:145%;
  background:
    radial-gradient(38% 34% at 15% 22%, rgba(51,80,63,.11), transparent 70%),
    radial-gradient(34% 30% at 88% 12%, rgba(193,116,61,.13), transparent 70%);
  filter:blur(10px);
  animation:heroBgDrift 18s ease-in-out infinite;
  z-index:0; pointer-events:none;
}
.hero-inner{ position:relative; z-index:1; display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }

@keyframes heroBgDrift{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(-2%,3%) scale(1.06); }
}

.eyebrow{
  font-family:var(--font-body); font-weight:700; font-size:13px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--clay-dark); margin:0 0 16px;
}
.eyebrow-light{ color:#E3B88C; }

.hero h1{
  font-size:clamp(34px, 4.4vw, 54px);
  letter-spacing:-.01em;
  max-width:15ch;
}
.hero h1 .accent{ font-style:italic; font-weight:500; color:var(--clay-dark); }
.lead{ font-size:clamp(16px,1.6vw,18.5px); max-width:46ch; color:var(--ink-soft); }

.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin:30px 0 26px; }
.hero-tags{ display:flex; flex-wrap:wrap; gap:10px 22px; }
.hero-tags li{
  font-size:13.5px; font-weight:600; color:var(--ink-soft);
  display:flex; align-items:center; gap:8px;
}
.hero-tags li::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--clay); }

/* Hero entrance — staggered cascade on load */
.hero-copy > *{ animation:heroIn .9s cubic-bezier(.16,1,.3,1) both; }
.hero-copy > .eyebrow{ animation-delay:.05s; }
.hero-copy > h1{ animation-delay:.14s; }
.hero-copy > .lead{ animation-delay:.26s; }
.hero-copy > .hero-actions{ animation-delay:.38s; }
.hero-copy > .hero-tags{ animation-delay:.48s; }
.hero-visual{ animation:heroIn 1s cubic-bezier(.16,1,.3,1) both; animation-delay:.3s; }

@keyframes heroIn{
  from{ opacity:0; transform:translateY(22px); }
  to{ opacity:1; transform:translateY(0); }
}

/* Hero visual — layered card with mouse-tilt + scroll parallax (see script.js) */
.hero-visual{ position:relative; z-index:1; display:flex; justify-content:center; perspective:1400px; }
.visual-stage{
  position:relative; width:min(400px, 100%); aspect-ratio:4/5; margin:0 auto;
  transform-style:preserve-3d; will-change:transform;
}

.glow{ position:absolute; border-radius:50%; filter:blur(60px); opacity:.55; z-index:0; pointer-events:none; }
.glow-1{ width:230px; height:230px; background:var(--clay); top:-30px; left:-30px; animation:driftA 9s ease-in-out infinite; }
.glow-2{ width:210px; height:210px; background:var(--forest); bottom:-24px; right:-24px; animation:driftB 11s ease-in-out infinite; }
@keyframes driftA{ 0%,100%{ transform:translate(0,0); } 50%{ transform:translate(14px,-16px); } }
@keyframes driftB{ 0%,100%{ transform:translate(0,0); } 50%{ transform:translate(-12px,14px); } }

.frame-accent{
  position:absolute; inset:0; border-radius:28px;
  background:linear-gradient(135deg, var(--clay) 0%, var(--clay-dark) 100%);
  transform:translate(20px,20px);
  animation:floatAccent 7s ease-in-out infinite;
  z-index:1;
}
@keyframes floatAccent{
  0%,100%{ transform:translate(20px,20px); }
  50%{ transform:translate(20px,8px); }
}

.photo-frame{
  position:absolute; inset:0; z-index:2; border-radius:28px;
  background:linear-gradient(155deg, var(--forest) 0%, var(--forest-dark) 100%);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  animation:floatFrame 7s ease-in-out infinite;
}
@keyframes floatFrame{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-10px); }
}
.photo-frame::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(120% 90% at 20% 15%, rgba(255,255,255,.16), transparent 55%);
}
.photo-frame img{ width:100%; height:100%; object-fit:cover; display:block; }

.floating-card{
  position:absolute; z-index:3; display:flex; align-items:center; gap:10px;
  background:var(--paper); color:var(--ink);
  padding:12px 18px; border-radius:16px; box-shadow:var(--shadow-card);
  font-size:13.5px; font-weight:700; border:1px solid var(--line);
  will-change:transform;
}
.floating-card svg{ color:var(--clay); flex-shrink:0; }
.card-1{ top:8%; left:-8%; }
.card-2{ bottom:10%; right:-10%; }

/* ---------- About ---------- */
.about{ padding:100px 0; }
.about-inner{ display:grid; grid-template-columns:.7fr 1.3fr; gap:64px; align-items:center; }
.about-visual{ position:relative; aspect-ratio:1; }
.ring{ position:absolute; border-radius:50%; border:1.5px solid var(--line); }
.ring-1{ inset:0; }
.ring-2{ inset:14%; border-color:rgba(51,80,63,.28); }
.ring-3{ inset:30%; background:var(--forest-tint); border-color:transparent; display:flex; }
.about-visual::after{
  content:"КБ"; position:absolute; inset:30%; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:600; color:var(--forest); font-size:clamp(22px,2.4vw,30px);
}
.about h2{ font-size:clamp(26px,3vw,36px); }
.about-text{ font-size:16px; max-width:58ch; }
.about-badges{ display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.about-badges span{
  font-size:13px; font-weight:700; color:var(--forest);
  background:var(--forest-tint); padding:9px 16px; border-radius:999px;
}

/* ---------- Expertise ---------- */
.expertise{ padding:40px 0 110px; }
.section-head{ max-width:640px; margin:0 auto 52px; text-align:center; }
.section-head h2{ font-size:clamp(28px,3.4vw,40px); }
.section-sub{ font-size:16px; }
.section-head .section-sub{ margin:0 auto; }

.grid-cards{ display:grid; grid-template-columns:repeat(3, 1fr); gap:22px; }
.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-md);
  padding:30px 26px; box-shadow:var(--shadow-card);
  transition:transform .3s ease, box-shadow .3s ease;
}
.card:hover{ transform:translateY(-4px); box-shadow:0 22px 44px -22px rgba(33,30,24,.35); }
.card-icon{
  width:52px; height:52px; border-radius:14px; background:var(--forest-tint); color:var(--forest);
  display:flex; align-items:center; justify-content:center; margin-bottom:18px;
}
.card h3{ font-size:19px; margin-bottom:8px; }
.card p{ font-size:14.5px; margin:0; }

/* ---------- Process (dark) ---------- */
.process{ background:var(--forest-dark); padding:100px 0; color:var(--paper); }
.process .section-head{ margin-bottom:64px; }
.process h2.light{ color:var(--paper); font-size:clamp(28px,3.4vw,40px); max-width:22ch; margin:0 auto; }

.steps{ display:grid; grid-template-columns:repeat(5,1fr); gap:24px; counter-reset:step; }
.steps li{
  background:rgba(250,246,239,.06); border:1px solid var(--paper-line);
  border-radius:var(--radius-md); padding:26px 20px; position:relative;
}
.step-num{ display:block; font-family:var(--font-display); font-size:26px; color:#E3B88C; margin-bottom:14px; }
.steps h3{ color:var(--paper); font-size:16.5px; margin-bottom:8px; }
.steps p{ color:rgba(250,246,239,.72); font-size:13.5px; margin:0; }

/* ---------- Principles ---------- */
.principles{ padding:110px 0; }
.grid-principles{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.principle{ text-align:left; }
.principle h3{ font-size:17px; margin-bottom:6px; }
.principle p{ font-size:14px; margin:0; }

/* ---------- Contact ---------- */
.contact{ padding:40px 0 120px; }
.contact-inner{ text-align:center; }
.contact-inner > div{ max-width:640px; margin:0 auto; }
.contact h2{ font-size:clamp(28px,3.4vw,40px); }

.contact-methods{ display:flex; flex-wrap:wrap; justify-content:center; gap:14px; margin-top:34px; }
.contact-btn{
  display:flex; align-items:center; gap:10px;
  padding:15px 22px; border-radius:16px; border:1px solid var(--line);
  background:#fff; font-weight:700; font-size:14.5px; box-shadow:var(--shadow-card);
  transition:transform .25s ease, border-color .25s ease;
}
.contact-btn svg{ color:var(--clay); }
.contact-btn:hover{ transform:translateY(-3px); border-color:var(--forest); }

/* ---------- Footer ---------- */
.site-footer{ background:var(--paper-alt); padding:44px 0; }
.footer-inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:20px; }
.footer-note{ font-size:12.5px; color:var(--ink-faint); max-width:46ch; margin:0; }
.footer-social{ display:flex; gap:18px; }
.footer-social a{ font-size:13.5px; font-weight:700; color:var(--ink-soft); }
.footer-social a:hover{ color:var(--forest); }

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta{
  display:none; position:fixed; left:0; right:0; bottom:0; z-index:120;
  gap:10px; padding:12px 16px; background:rgba(250,246,239,.92);
  backdrop-filter:blur(10px); border-top:1px solid var(--line);
}
.mobile-cta .btn{ flex:1; justify-content:center; }

/* ---------- Reveal animation ---------- */
[data-reveal]{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
[data-reveal].in-view{ opacity:1; transform:translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; margin-bottom:10px; }
  .photo-frame{ width:min(320px,72%); }
  .about-inner{ grid-template-columns:1fr; }
  .about-visual{ max-width:260px; margin:0 auto; }
  .grid-cards{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(3,1fr); }
  .grid-principles{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width:880px){
  .nav{
    position:fixed; inset:78px 0 0 0; background:var(--paper); flex-direction:column;
    align-items:flex-start; padding:32px 24px; gap:8px; transform:translateX(100%);
    transition:transform .35s ease; overflow-y:auto;
  }
  .nav a{ width:100%; padding:14px 4px; border-bottom:1px solid var(--line); font-size:16px; }
  .nav.open{ transform:translateX(0); }
  .nav-toggle{ display:flex; }
  .header-actions .btn-primary{ display:none; }
  .mobile-cta{ display:flex; }
  .contact{ padding-bottom:150px; }
}

@media (max-width:720px){
  .steps{ grid-template-columns:1fr 1fr; }
  .grid-cards{ grid-template-columns:1fr; }
  .grid-principles{ grid-template-columns:1fr; }
  .floating-card{ display:none; }
  .footer-inner{ flex-direction:column; align-items:flex-start; text-align:left; }
}

@media (max-width:480px){
  .steps{ grid-template-columns:1fr; }
  .hero{ padding-top:44px; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .hero-actions .btn{ justify-content:center; }
}