/* ==========================================================================
   Санмодуль · design tokens + primitives
   Единственный регулятор масштаба — html { font-size: 62.5% } → 1rem = 10px.
   Цвет живёт только здесь; hex в разметке не встречается.
   ========================================================================== */

html{font-size:62.5%;-webkit-text-size-adjust:100%}
[id]{scroll-margin-top:8.4rem}

:root{
  /* ── Поверхности ─────────────────────────────────────────── */
  --color-surface:          #FFFFFF;
  --color-surface-tint:     #EDF1F0;
  --color-surface-sunken:   #E2E8E6;
  --color-surface-inverse:  #16302F;
  --color-surface-brand:    #0E5C63;

  /* ── Текст ───────────────────────────────────────────────── */
  --color-ink:              #1C2423;
  --color-ink-muted:        #5C6765;
  --color-ink-inverse:      #F3F6F5;
  --color-ink-inverse-mut:  #9FB0AD;

  /* ── Действие ────────────────────────────────────────────── */
  --color-action:           #0E5C63;
  --color-action-hover:     #0A4649;
  --color-action-ink:       #FFFFFF;

  /* ── Акцент: цена и ключевые числа ───────────────────────── */
  --color-accent:           #C2410C;
  --color-accent-hover:     #9A3309;
  --color-accent-soft:      #F7E2D6;

  /* ── Обратная связь ──────────────────────────────────────── */
  --color-danger:           #B3261E;
  --color-success:          #1E6B3A;

  /* ── Границы ─────────────────────────────────────────────── */
  --color-border:           #8E9A98;
  --color-border-subtle:    #D7DEDC;
  --color-border-inverse:   rgba(255,255,255,.26);

  /* ── Слои поверх медиа ───────────────────────────────────── */
  --overlay-photo:          rgba(10,24,24,.55);
  --overlay-backdrop:       rgba(10,24,24,.62);

  /* ── Фокус ───────────────────────────────────────────────── */
  --color-focus:            #0E5C63;
  --focus-ring: 0 0 0 .2rem var(--color-surface), 0 0 0 .4rem var(--color-focus);

  /* ── Типографика ─────────────────────────────────────────── */
  --font-display: "Raleway", "Rub", "Helvetica Neue", Arial, sans-serif;
  --font-text:    "Golos Text", "Rub", "Helvetica Neue", Arial, sans-serif;

  --fs-100: 1.4rem;
  --fs-200: 1.6rem;
  --fs-300: 2rem;
  --fs-400: 2.5rem;
  --fs-500: 3.1rem;
  --fs-600: 3.9rem;
  --fs-700: 4.9rem;
  --fs-800: 6.1rem;

  --lh-tight: 1.1;
  --lh-heading: 1.22;
  --lh-text: 1.55;

  /* ── Ритм и сетка ────────────────────────────────────────── */
  --space-1: 0.4rem;
  --space-2: 0.8rem;
  --space-3: 1.2rem;
  --space-4: 1.6rem;
  --space-5: 2.4rem;
  --space-6: 3.2rem;
  --space-7: 4.8rem;
  --space-8: 6.4rem;
  --space-9: 9.6rem;
  --space-10: 12.8rem;

  --container: 129rem;
  --gutter: 2.4rem;
  --radius: 0.4rem;

  --shadow-1: 0 .1rem .2rem rgba(18,32,31,.06);
  --shadow-2: 0 .8rem 2.4rem rgba(18,32,31,.10);

  --z-header: 100;
  --z-menu:   200;
  --z-sticky: 300;
  --z-modal:  400;
  --z-toast:  500;
}

/* ==========================================================================
   База
   ========================================================================== */

*,*::before,*::after{box-sizing:border-box}

body{
  margin:0;
  background:var(--color-surface);
  color:var(--color-ink);
  font-family:var(--font-text);
  font-size:var(--fs-200);
  line-height:var(--lh-text);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}

::selection{background:var(--color-surface-brand);color:#fff}

h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  line-height:var(--lh-heading);
  letter-spacing:-.01em;
  text-wrap:balance;
}
h1{font-size:var(--fs-500)}
h2{font-size:var(--fs-400)}
h3{font-size:var(--fs-300);font-weight:600}
h4{font-size:var(--fs-200);font-weight:700}

p{margin:0}
p + p{margin-top:var(--space-3)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding-left:1.8rem}
dl,dd{margin:0}
figure{margin:0}
button{font:inherit}

@media (min-width:1050px){
  h1{font-size:var(--fs-600)}
  h2{font-size:var(--fs-500)}
}

/* ==========================================================================
   Сетка и контейнер
   ========================================================================== */

.container{max-width:var(--container);margin:0 auto;padding:0 var(--space-4)}
@media (min-width:1050px){.container{padding:0 var(--space-5)}}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gutter)}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-9{grid-column:span 9}
.col-12{grid-column:span 12}

@media (max-width:1049px){
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9{grid-column:span 12}
}

/* ==========================================================================
   Регистры секций
   ========================================================================== */

.section{padding:var(--space-9) 0}
.section--tint{background:var(--color-surface-tint)}
.section--dark{background:var(--color-surface-inverse);color:var(--color-ink-inverse)}
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:var(--color-ink-inverse)}
.section--dark p{color:#C8D3D1}
.section--tight{padding:var(--space-8) 0}

.section-head{max-width:66rem}
.section-head h2{margin-bottom:var(--space-3)}
.section-head p{color:var(--color-ink-muted);max-width:58rem}
.section--dark .section-head p{color:var(--color-ink-inverse-mut)}

/* ==========================================================================
   Утилиты типографики
   ========================================================================== */

.lead{font-size:var(--fs-300);line-height:1.45;color:var(--color-ink)}
.section--dark .lead{color:var(--color-ink-inverse)}
.small{font-size:var(--fs-100);line-height:1.5;color:var(--color-ink-muted)}
.section--dark .small{color:var(--color-ink-inverse-mut)}
.label{
  font-family:var(--font-text);font-size:1.1rem;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--color-ink-muted);
}
.section--dark .label{color:var(--color-ink-inverse-mut)}
.accent{color:var(--color-accent)}

/* ==========================================================================
   Кнопки
   ========================================================================== */

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);
  min-height:5.2rem;padding:0 var(--space-5);
  font-family:var(--font-display);font-weight:700;font-size:var(--fs-200);
  border:1px solid transparent;border-radius:var(--radius);
  cursor:pointer;text-align:center;
  transition:background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.btn:focus-visible{outline:none;box-shadow:var(--focus-ring)}
.btn--primary{background:var(--color-action);color:var(--color-action-ink);border-color:var(--color-action)}
.btn--primary:hover{background:var(--color-action-hover);border-color:var(--color-action-hover)}
.btn--primary:active{background:#08363A;border-color:#08363A}
.btn--ghost{background:transparent;color:var(--color-ink);border-color:var(--color-border)}
.btn--ghost:hover{background:var(--color-surface-tint);border-color:var(--color-ink)}
.btn--onDark{background:var(--color-ink-inverse);color:var(--color-surface-inverse);border-color:var(--color-ink-inverse)}
.btn--onDark:hover{background:#fff;border-color:#fff}
.btn--ghostDark{background:transparent;color:var(--color-ink-inverse);border-color:var(--color-border-inverse)}
.btn--ghostDark:hover{background:rgba(255,255,255,.08)}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed}
.btn--wide{width:100%}

.link{
  color:var(--color-action);font-weight:500;
  border-bottom:1px solid rgba(14,92,99,.35);
  padding-bottom:.1rem;transition:border-color .16s ease-out,color .16s ease-out;
}
.link:hover{border-color:var(--color-action-hover);color:var(--color-action-hover)}
.link:focus-visible{outline:none;box-shadow:var(--focus-ring)}
.section--dark .link{color:#9FD8DD;border-color:rgba(159,216,221,.4)}
.section--dark .link:hover{color:#fff;border-color:#fff}

/* ==========================================================================
   Поля
   ========================================================================== */

.field{display:block;margin-bottom:var(--space-4)}
.field__label{display:block;margin-bottom:var(--space-1)}
.input{
  width:100%;min-height:5rem;padding:0 var(--space-3);
  background:var(--color-surface);color:var(--color-ink);
  border:1px solid var(--color-border);border-radius:var(--radius);
  font-family:var(--font-text);font-size:var(--fs-200);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.input::placeholder{color:var(--color-ink-muted)}
.input:hover{border-color:var(--color-ink-muted)}
.input:focus{outline:none;border-color:var(--color-action);box-shadow:0 0 0 1px var(--color-action)}
.input[aria-invalid="true"]{border-color:var(--color-danger)}
.field__error{display:none;margin-top:var(--space-1);font-size:var(--fs-100);color:var(--color-danger)}
.field--error .field__error{display:block}
.field--error .input{border-color:var(--color-danger)}

.checkbox{display:flex;gap:var(--space-2);align-items:flex-start;font-size:var(--fs-100);color:var(--color-ink-muted);cursor:pointer}
.checkbox input{width:2rem;height:2rem;margin:.1rem 0 0;accent-color:var(--color-action);flex:none}

/* ==========================================================================
   Таблица
   ========================================================================== */

.table{width:100%;border-collapse:collapse}
.table th{
  text-align:left;font-family:var(--font-text);font-size:1.1rem;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--color-ink-muted);
  padding:var(--space-2) var(--space-4) var(--space-2) 0;
  border-bottom:1px solid var(--color-ink);white-space:nowrap;
}
.table td{
  padding:var(--space-3) var(--space-4) var(--space-3) 0;
  border-bottom:1px solid var(--color-border-subtle);
  color:var(--color-ink);font-size:var(--fs-200);vertical-align:top;
}
.table td:first-child{font-weight:600}
.table td.num,.table th.num{text-align:right;white-space:nowrap;padding-right:0}
.table tbody tr:hover td{background:rgba(14,92,99,.04)}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.section--dark .table th{color:var(--color-ink-inverse-mut);border-bottom-color:var(--color-border-inverse)}
.section--dark .table td{color:var(--color-ink-inverse);border-bottom-color:rgba(255,255,255,.12)}

/* ==========================================================================
   Плашки, бейджи, аккордеон
   ========================================================================== */

.plate{
  position:relative;background:var(--color-surface-sunken);border-radius:var(--radius);
  overflow:hidden;display:grid;place-items:center;
}
.plate::after{
  content:attr(data-note);position:absolute;left:var(--space-3);bottom:var(--space-2);
  font-size:1.1rem;letter-spacing:.1em;text-transform:uppercase;color:#7C8987;
}
.plate--16x9{aspect-ratio:16/9}
.plate--3x2{aspect-ratio:3/2}
.plate--4x3{aspect-ratio:4/3}
.plate--1x1{aspect-ratio:1/1}

.badge{
  display:inline-flex;align-items:center;min-height:2.6rem;padding:0 var(--space-2);
  font-size:1.1rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;
  color:var(--color-action);background:rgba(14,92,99,.08);border-radius:2rem;
}
.badge--accent{color:var(--color-accent);background:var(--color-accent-soft)}

.acc{border-top:1px solid var(--color-ink)}
.acc details{border-bottom:1px solid var(--color-border-subtle)}
.acc summary{
  list-style:none;cursor:pointer;position:relative;
  padding:var(--space-4) var(--space-7) var(--space-4) 0;
  font-family:var(--font-display);font-weight:600;font-size:var(--fs-300);line-height:1.3;
}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{
  content:"";position:absolute;right:.8rem;top:2.9rem;width:1.2rem;height:.2rem;background:var(--color-ink);
}
.acc summary::before{
  content:"";position:absolute;right:1.3rem;top:2.4rem;width:.2rem;height:1.2rem;
  background:var(--color-ink);transition:opacity .16s ease-out;
}
.acc details[open] summary::before{opacity:0}
.acc summary:hover{color:var(--color-action)}
.acc p{padding:0 20% var(--space-5) 0;color:var(--color-ink-muted)}

/* ==========================================================================
   Утилиты
   ========================================================================== */

.rule{height:1px;background:var(--color-border-subtle);border:0;margin:0}
.stack > * + *{margin-top:var(--space-4)}
.hidden{display:none !important}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.mt-0{margin-top:0}
.mt-3{margin-top:var(--space-3)}
.mt-5{margin-top:var(--space-5)}
.mt-7{margin-top:var(--space-7)}
.mt-9{margin-top:var(--space-9)}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}