:root {
  --ink: #14231f;
  --forest: #173d32;
  --forest-deep: #0b211b;
  --moss: #d8ba73;
  --sand: #efe7d8;
  --mist: #e7eeea;
  --white: #fff;
  --line: rgba(20, 35, 31, .18);
  --radius: 1.35rem;
  --shadow: 0 1.2rem 3rem rgba(9, 31, 25, .14);
  --page: min(1180px, calc(100% - 3rem));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #f5f2e9; font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -6rem; z-index: 1000; padding: .8rem 1rem; background: var(--white); color: var(--ink); border-radius: .5rem; }
.skip-link:focus { top: 1rem; }
.site-header { min-height: 4.75rem; padding: .85rem max(1.5rem, calc((100% - 1180px) / 2)); display: flex; align-items: center; gap: 2rem; background: var(--forest-deep); color: var(--white); }
.brand { font-weight: 800; letter-spacing: .13em; text-decoration: none; white-space: nowrap; }
.site-header .brand { color: var(--moss); }
.site-header nav { display: flex; align-items: center; gap: 1.5rem; margin-left: auto; }
.site-header nav a, .header-contact { text-decoration: none; color: rgba(255,255,255,.82); }
.site-header nav a:hover, .header-contact:hover { color: var(--white); }
.header-contact { padding: .55rem .9rem; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; }

.hero { min-height: 78vh; position: relative; display: flex; align-items: end; background-position: center; background-size: cover; color: var(--white); isolation: isolate; }
.hero-moscow { background-image: url("assets/hero-from-moscow-v1.webp"); }
.hero-petersburg { background-image: url("assets/hero-from-saint-petersburg-v1.webp"); }
.hero-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(5,18,15,.9) 0%, rgba(5,18,15,.68) 44%, rgba(5,18,15,.08) 78%), linear-gradient(0deg, rgba(5,18,15,.66), transparent 55%); }
.hero-content { width: var(--page); margin: 0 auto; padding: 7rem 0 6rem; }
.eyebrow, .kicker { margin: 0 0 .85rem; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 800; }
.eyebrow { color: var(--moss); }
.hero h1 { max-width: 880px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.8rem, 6vw, 5.8rem); font-weight: 500; line-height: .98; letter-spacing: -.035em; }
.hero-lead { max-width: 690px; margin: 1.65rem 0 0; font-size: clamp(1.05rem, 2vw, 1.3rem); color: rgba(255,255,255,.88); }
.hero-actions, .conversion-actions, .messenger-actions, .inline-actions { display: flex; flex-wrap: wrap; gap: .85rem; align-items: center; }
.hero-actions { margin-top: 2rem; }
.button { display: inline-flex; min-height: 3.15rem; align-items: center; justify-content: center; padding: .75rem 1.15rem; border: 1px solid transparent; border-radius: 999px; font-weight: 750; text-decoration: none; transition: transform .2s ease, background-color .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--forest-deep); background: var(--moss); }
.button-secondary { color: var(--white); background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.55); backdrop-filter: blur(8px); }
.button-dark { color: var(--white); background: var(--forest-deep); }
.button-outline { border-color: var(--forest); color: var(--forest); background: transparent; }

section:not(.hero):not(.conversion) { padding: 6.5rem max(1.5rem, calc((100% - 1180px) / 2)); }
.section-light { background: #f5f2e9; }
.section-mist { background: var(--mist); }
.section-dark { color: var(--white); background: var(--forest-deep); }
.section-heading { max-width: 780px; margin-bottom: 2.8rem; }
.kicker { color: #7a6028; }
.section-dark .kicker, .conversion .kicker { color: var(--moss); }
h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.15rem, 4.3vw, 4rem); font-weight: 500; line-height: 1.05; letter-spacing: -.025em; }
h3 { line-height: 1.25; }
p { margin-top: 0; }
.opening-grid, .split, .two-columns, .messengers { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.opening-lead { font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.35rem, 2.4vw, 2.05rem); line-height: 1.42; }
.note-card, .decision-card, .visual-card { padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.note-card { background: var(--white); border-left: .3rem solid var(--moss); }
.note-card strong { display: block; margin-bottom: .6rem; color: var(--forest); font-size: 1.1rem; }
.step-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.step-card { min-height: 285px; padding: 1.7rem; display: flex; flex-direction: column; border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius); background: rgba(255,255,255,.05); }
.step-card h3 { margin: 1.3rem 0 .8rem; font-family: Georgia, serif; font-size: 1.45rem; font-weight: 500; }
.step-card p { color: rgba(255,255,255,.72); }
.step-label { color: var(--moss); font-size: .76rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.split { grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); }
.reverse { grid-template-columns: minmax(300px, .75fr) minmax(0, 1.25fr); }
.split h2, .two-columns h2 { margin-bottom: 1.5rem; }
.decision-card { background: var(--forest); color: var(--white); }
.decision-card h3 { margin-top: 0; font-family: Georgia, serif; font-size: 1.8rem; font-weight: 500; }
.check-list { margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: .75rem 0 .75rem 1.8rem; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.82); }
.check-list li::before { content: "✓"; position: absolute; left: .1rem; color: var(--moss); font-weight: 800; }
.inline-actions { margin-top: 1.5rem; }
.text-link { color: var(--forest); font-weight: 750; text-underline-offset: .25rem; }
.two-columns { grid-template-columns: repeat(2, minmax(0,1fr)); align-items: start; }
.tip-stack { display: grid; gap: .8rem; }
.tip { padding: 1.25rem 1.35rem; display: grid; gap: .2rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(255,255,255,.56); }
.tip strong { color: var(--forest); }
.visual-card { min-height: 360px; display: flex; flex-direction: column; justify-content: end; color: var(--white); background: radial-gradient(circle at 75% 20%, #78998b, transparent 35%), linear-gradient(145deg, #102c24, #244b3e); }
.visual-mark { margin: 0 0 1rem; font-family: Georgia, serif; font-size: clamp(2rem, 5vw, 4rem); letter-spacing: .08em; }
.format-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1.25rem; }
.format-card { padding: 2rem; border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius); background: rgba(255,255,255,.05); }
.format-card h3 { margin-top: 0; font-family: Georgia, serif; font-size: 1.7rem; font-weight: 500; }
.format-card p { color: rgba(255,255,255,.72); }
.format-card a { color: var(--moss); font-weight: 800; text-underline-offset: .25rem; }
.check-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.check-grid > div { min-height: 145px; padding: 1.35rem; display: grid; align-content: start; gap: .45rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.check-grid strong { color: var(--forest); font-size: 1.08rem; }
.choice-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); }
.choice-row { display: grid; grid-template-columns: .7fr 1fr 1fr; }
.choice-row > * { padding: 1.15rem; border-top: 1px solid var(--line); }
.choice-row > * + * { border-left: 1px solid var(--line); }
.choice-row:first-child > * { border-top: 0; }
.choice-head { background: var(--forest); color: var(--white); font-weight: 800; }
.messengers { grid-template-columns: minmax(0,1.2fr) minmax(260px,.8fr); }
.messengers h2 { margin-bottom: 1rem; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 1.25rem 2.5rem 1.25rem 0; cursor: pointer; font-weight: 750; font-size: 1.08rem; }
.faq-list details p { max-width: 760px; padding: 0 2rem 1.3rem 0; color: #43534e; }
.conversion { padding: 6rem max(1.5rem, calc((100% - 1180px) / 2)); display: grid; grid-template-columns: minmax(0,1.25fr) minmax(280px,.75fr); gap: 3rem; align-items: end; color: var(--white); background: linear-gradient(135deg, var(--forest), var(--forest-deep)); }
.conversion h2 { max-width: 760px; }
.conversion p:not(.kicker) { max-width: 720px; margin: 1.2rem 0 0; color: rgba(255,255,255,.74); }
.conversion-actions { justify-content: flex-end; }
.site-footer { padding: 3.5rem max(1.5rem, calc((100% - 1180px) / 2)); display: grid; grid-template-columns: 1.5fr repeat(2, minmax(140px,.5fr)); gap: 3rem; color: rgba(255,255,255,.75); background: #061511; }
.site-footer div { display: flex; flex-direction: column; align-items: flex-start; gap: .45rem; }
.site-footer strong, .site-footer .brand { color: var(--white); }
.site-footer a:not(.brand) { text-underline-offset: .2rem; }

a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #ffcc66; outline-offset: 4px; }
@media (max-width: 900px) {
  .site-header nav { display: none; }
  .header-contact { margin-left: auto; }
  .hero { min-height: 70vh; }
  .hero-shade { background: linear-gradient(90deg, rgba(5,18,15,.9), rgba(5,18,15,.46)), linear-gradient(0deg, rgba(5,18,15,.65), transparent); }
  .step-grid, .format-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .opening-grid, .split, .reverse, .two-columns, .messengers, .conversion { grid-template-columns: 1fr; }
  .conversion-actions { justify-content: flex-start; }
  .check-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 560px) {
  :root { --page: min(100% - 2rem, 1180px); }
  .site-header { min-height: 4rem; padding-inline: 1rem; }
  .header-contact { font-size: .86rem; }
  .hero-content { padding: 5rem 0 3rem; }
  .hero h1 { font-size: clamp(2.45rem, 14vw, 4rem); }
  section:not(.hero):not(.conversion) { padding: 4.2rem 1rem; }
  .conversion { padding: 4.2rem 1rem; }
  .step-grid, .format-grid, .check-grid { grid-template-columns: 1fr; }
  .step-card { min-height: auto; }
  .visual-card { min-height: 280px; }
  .choice-table { overflow-x: auto; }
  .choice-row { min-width: 720px; }
  .site-footer { padding: 3rem 1rem; grid-template-columns: 1fr; gap: 2rem; }
  .button { width: 100%; }
  .inline-actions .text-link { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}