/* ============================================================
   Глина и тишина — site.css
   Palette: dark charcoal (#1a1815) with warm terracotta accents.
   Type: Georgia serif display + system-ui text (no CDN fonts).
   ============================================================ */

:root {
  /* Palette */
  --bg: #1a1815;
  --bg-soft: #23201b;
  --bg-raised: #2a2620;
  --ink: #f4f1ea;
  --ink-muted: #b8b2a5;
  --ink-faint: #948d7f;
  --line: #35302a;
  --line-soft: #26221e;

  --accent: #b08464;       /* terracotta */
  --accent-deep: #b46a48;
  --accent-hover: #9a7050;
  --accent-soft: #3a2f26;

  /* Error */
  --error: #d99a88;
  --error-soft: #3a2621;

  /* Type scale (airy jumps) */
  --fs-display: clamp(2.75rem, 6.5vw, 5.5rem);
  --fs-h2: clamp(1.875rem, 3.5vw, 2.75rem);
  --fs-h3: 1.25rem;
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;
  --fs-overline: 0.78rem;

  /* Spacing */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.25rem;
  --space-6: 3.5rem;
  --space-7: 5.5rem;
  --space-8: 8rem;

  /* Radius */
  --radius: 6px;
  --radius-lg: 10px;

  /* Layout */
  --max: 72rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 140ms;
  --dur-slow: 380ms;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--ink);
  text-decoration: none;
  text-underline-offset: 3px;
}
a:hover { text-decoration: underline; }

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Accessibility: visible focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-3) var(--gutter);
  background: rgba(26, 24, 21, 0.88);
  backdrop-filter: none; /* no glassmorphism */
  border-bottom: 1px solid var(--line-soft);
}

.site-header__brand {
  font-family: Georgia, serif;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.site-header__brand:hover { text-decoration: none; }

.site-header__nav {
  display: flex;
  gap: var(--space-4);
  font-size: var(--fs-small);
}
.site-header__nav a { color: var(--ink-muted); }
.site-header__nav a:hover { color: var(--ink); text-decoration: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}
.btn--primary {
  background: var(--accent);
  color: #1c130d;
  font-weight: 600;
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: #f4f1ea;
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
  padding: 0 0 var(--space-6) var(--gutter);
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  margin: 0;
  overflow: hidden;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(0.42) saturate(0.9);
}
.hero__body {
  position: relative;
  z-index: 2;
  max-width: 60ch;
  padding: var(--space-6) 0 0 var(--gutter);
}
.hero__kicker {
  font-size: var(--fs-overline);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 var(--space-3);
}
.hero__title {
  font-size: var(--fs-display);
  margin: 0 0 var(--space-3);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.hero__tagline {
  font-size: 1.15rem;
  color: var(--ink);
  max-width: 44ch;
  margin-bottom: var(--space-5);
}

/* ---------- Section shell ---------- */
.section {
  padding: var(--space-8) var(--gutter);
}
.overline {
  font-size: var(--fs-overline);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-3);
}

/* ---------- Studio (asymmetric split 7/5) ---------- */
.studio__grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-6);
  max-width: var(--max);
  margin: 0 auto;
  align-items: center;
}
.studio__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.studio__figure img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.studio__copy h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-4);
}
.studio__copy p {
  color: var(--ink-muted);
  max-width: 52ch;
}

/* ---------- Full-bleed band ---------- */
.band {
  padding: 0;
  margin: 0;
}
.band__figure {
  margin: 0;
  aspect-ratio: 21/9;
  overflow: hidden;
}
.band__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: brightness(0.78) saturate(0.9);
}

/* ---------- Pricing ---------- */
.section--pricing {
  background: var(--bg-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.pricing__head {
  max-width: 60ch;
  margin: 0 auto var(--space-6);
  text-align: left;
}
.pricing__head h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-3);
}
.pricing__lead {
  color: var(--ink-muted);
  max-width: 60ch;
}

.pricing__list {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 7fr 5fr 5fr;
  gap: var(--space-4);
  margin: 0;
}
.price-card {
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-raised);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.price-card dt {
  font-family: Georgia, serif;
  font-size: 1.15rem;
  color: var(--ink);
}
.price-card dd {
  margin: 0;
  font-size: 1.5rem;
  color: var(--ink);
}
.price-card p {
  color: var(--ink-muted);
  font-size: var(--fs-small);
  margin-top: var(--space-2);
}
.price-card--lead {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.price-card__price {
  color: var(--accent);
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ---------- Contact + form ---------- */
.section--contact {
  padding-bottom: var(--space-8);
}
.contact__grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-6);
  align-items: start;
}
.contact__info h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-4);
}
.contact__address {
  font-style: normal;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: var(--space-4);
}
.contact__note {
  color: var(--ink-muted);
  max-width: 40ch;
  margin-bottom: var(--space-5);
}
.contact__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.contact__figure img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ---------- Form ---------- */
.lead-form {
  padding: var(--space-5);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.lead-form__intro {
  color: var(--ink-muted);
  margin-bottom: var(--space-4);
  font-size: var(--fs-small);
}

.field { margin-bottom: var(--space-4); }
.field label {
  display: block;
  font-size: var(--fs-small);
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.field__optional {
  color: var(--ink-faint);
  font-weight: 400;
}
.field input,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color var(--dur-fast) var(--ease);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--ink-faint);
}
.field textarea {
  resize: vertical;
  min-height: 5rem;
}

.field__error {
  color: var(--error);
  font-size: var(--fs-small);
  margin: 0.4rem 0 0;
}
.field__error[hidden] { display: none; }
.field.has-error input,
.field.has-error textarea {
  border-color: var(--error);
  background: var(--error-soft);
}

.lead-form .btn { width: 100%; margin-top: var(--space-2); }
.lead-form .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.lead-form__status {
  min-height: 1.4em;
  margin-top: var(--space-3);
  font-size: var(--fs-small);
  text-align: center;
  color: var(--ink-muted);
}
.lead-form__status--ok {
  color: #a5c99a;
}
.lead-form__status--err {
  color: var(--error);
}

/* ---------- Footer ---------- */
.site-footer {
  padding: var(--space-5) var(--gutter);
  border-top: 1px solid var(--line-soft);
  color: var(--ink-muted);
  font-size: var(--fs-small);
  text-align: left;
}
.site-footer p { margin: 0 0 0.35rem; }
.site-footer__fine { color: var(--ink-faint); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .site-header__nav { display: none; }

  .hero {
    min-height: 70vh;
    align-items: flex-end;
  }
  .hero__body { padding: var(--space-4) var(--gutter) var(--space-5); }
  .hero__media img { object-position: center 55%; }

  .section { padding: var(--space-6) var(--gutter); }

  .studio__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .pricing__list { grid-template-columns: 1fr; }
  .pricing__head { text-align: left; }

  .band__figure { aspect-ratio: 4/3; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}