/* ============================================================
   Незамерзайка-30 — Material Design 3 landing
   Seed: #0083d7. Light scheme + dark sections.
   ============================================================ */

:root {
  --primary: #0083d7;
  --on-primary: #ffffff;
  --primary-container: #d4ecfa;
  --on-primary-container: #003352;

  --secondary: #535f70;
  --on-secondary: #ffffff;
  --secondary-container: #d7e3f7;
  --on-secondary-container: #101c2b;

  --tertiary: #3b6577;
  --tertiary-container: #c1e8ff;
  --on-tertiary-container: #001f2a;

  --error: #ba1a1a;
  --error-container: #ffdad6;
  --on-error-container: #410002;

  --background: #fdfcff;
  --on-background: #1a1c1e;
  --surface: #fdfcff;
  --on-surface: #1a1c1e;
  --on-surface-variant: #43474e;

  --surface-dim: #dcdfe4;
  --surface-bright: #fdfcff;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f7f9fc;
  --surface-container: #e8eef4;
  --surface-container-high: #ebeef4;
  --surface-container-highest: #e5e9ef;

  --outline: #d5dbe3;
  --outline-variant: #e6eaef;

  --well: #0b1622;
  --well-2: #0f1d2e;
  --on-well: #dfe9f5;
  --on-well-variant: #9fb3c6;

  --r: 8px;
  --r-xs: 8px;
  --r-sm: 8px;
  --r-md: 8px;
  --r-lg: 8px;
  --r-xl: 12px;
  --sp-1: 8px; --sp-2: 16px; --sp-3: 24px; --sp-4: 32px; --sp-5: 40px;
  --sp-6: 48px; --sp-8: 64px; --sp-10: 80px;

  --container: 1280px;
  --appbar-max: 1600px;
  --pad-x: 24px;
  --shadow-hard: 4px 4px 0 color-mix(in srgb, var(--primary) 55%, #003352);
  --font: "Roboto Flex", "Roboto", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --icon: "Material Symbols Rounded";
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body {
  margin: 0; font-family: var(--font); font-optical-sizing: auto;
  font-weight: 400; color: var(--on-surface); background: var(--background);
  line-height: 1.5; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden; max-width: 100%;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
.material-symbols-rounded {
  font-family: var(--icon); font-weight: normal; font-style: normal;
  font-size: 24px; line-height: 1; letter-spacing: normal;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  vertical-align: middle;
}

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-inline: var(--pad-x); }

.display {
  font-family: var(--font); font-weight: 700; line-height: 1.04;
  letter-spacing: -0.02em; font-variation-settings: "opsz" 96;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 0 24px; height: 48px; border-radius: var(--r);
  font-weight: 600; font-size: 15px; background: var(--primary); color: var(--on-primary);
  border: 1.5px solid transparent;
  transition: background .18s ease, outline-color .18s ease, box-shadow .18s ease;
  white-space: nowrap;
}
.btn:hover { background: #006eb6; box-shadow: var(--shadow-hard); }
.btn:active { box-shadow: 2px 2px 0 color-mix(in srgb, var(--primary) 55%, #003352); }
.btn .material-symbols-rounded { font-size: 20px; }
.btn--sm { height: 40px; padding-inline: 18px; font-size: 14px; }
.btn--lg { height: 56px; padding-inline: 32px; font-size: 16px; }
.btn--lg .material-symbols-rounded { font-size: 22px; }
.btn--outlined {
  background: rgba(255, 255, 255, 0.8);
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 28%, transparent);
}
.btn--outlined:hover {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: none;
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--r); color: var(--on-surface);
  transition: background .18s ease, outline-color .18s ease;
}
.icon-btn:hover { background: var(--surface-container-high); outline: 2px solid var(--outline); }

/* Chips */
.chip {
  display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 16px;
  border-radius: var(--r); font-size: 14px; font-weight: 500;
}
.chip--tonal { background: var(--secondary-container); color: var(--on-secondary-container); }
.chip__icon { font-size: 18px; }

/* App bar */
.appbar {
  position: sticky; top: 0; z-index: 60;
  transition: background .25s ease, border-color .25s ease;
  background: transparent; border-bottom: 1px solid transparent;
}
.appbar--elevated {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom-color: var(--outline-variant);
}
.appbar__inner {
  display: flex; align-items: center; gap: var(--sp-3); height: 72px;
  width: 100%; max-width: var(--appbar-max); margin: 0 auto; padding-inline: var(--pad-x);
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.brand__logo { height: 36px; width: auto; max-width: 100%; }
.brand__text { font-weight: 700; font-size: 17px; letter-spacing: .04em; color: var(--on-surface); white-space: nowrap; }
.brand__accent { color: var(--primary); }

.nav { display: flex; gap: 4px; margin-left: auto; }
.nav__link {
  padding: 10px 14px; border-radius: var(--r); font-size: 13px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--on-surface-variant); transition: background .18s ease, color .18s ease;
}
.nav__link:hover { background: var(--surface-container-high); color: var(--on-surface); }

.appbar__actions { display: flex; align-items: center; gap: 12px; margin-left: auto; flex-shrink: 0; }
.appbar__phone { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; color: var(--on-surface); white-space: nowrap; }
.appbar__phone .material-symbols-rounded { font-size: 20px; color: var(--primary); }
.nav-toggle { display: none; }

/* Hero */
.hero {
  position: relative; min-height: clamp(620px, 84vh, 860px);
  display: flex; align-items: center; overflow: hidden; isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__mesh {
  position: absolute; inset: 0;
  background:
    radial-gradient(1100px 700px at 78% 18%, rgba(0,131,215,.38), transparent 62%),
    radial-gradient(900px 600px at 12% 88%, rgba(0,131,215,.28), transparent 60%),
    radial-gradient(700px 500px at 50% 50%, rgba(80,176,230,.32), transparent 70%),
    linear-gradient(180deg, #cfe8f8 0%, #e3f2fb 42%, #f4f9fd 100%);
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(0,131,215,.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,131,215,.10) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 80%);
}

.hero__inner {
  position: relative; display: grid; grid-template-columns: 1.05fr .95fr;
  gap: var(--sp-6); align-items: center; width: 100%; padding-block: var(--sp-8);
}
.hero__copy { max-width: 620px; }
.hero__title {
  font-size: clamp(44px, 6.4vw, 84px); margin: var(--sp-3) 0 var(--sp-3);
  display: flex; flex-direction: column; gap: 2px;
}
.hero__title-accent {
  background: linear-gradient(90deg, #006eb6, #0083d7 50%, #3aa8e4);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: var(--primary);
}
.hero__lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--on-surface-variant); max-width: 560px; margin: 0 0 var(--sp-4); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-bottom: var(--sp-5); }
.hero__stats { display: flex; gap: var(--sp-5); margin: 0; flex-wrap: wrap; }
.hero__stats > div { display: flex; flex-direction: column; }
.hero__stats dt { font-size: 26px; font-weight: 700; color: var(--primary); line-height: 1.1; }
.hero__stats dd { margin: 0; font-size: 13px; color: var(--on-surface-variant); max-width: 150px; }

/* Hero frost graphic (from v4, recolored for light hero) */
.hero__art { display: flex; justify-content: center; align-items: center; min-height: 420px; }
.frost { width: 100%; max-width: 520px; }
.frost__svg { width: 100%; height: auto; display: block; }
.frost__spin { transform-origin: 0 0; animation: frost-spin 60s linear infinite; }
@keyframes frost-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.frost__thermo-fill { animation: thermo-pulse 5s ease-in-out infinite; transform-origin: 7px 240px; }
@keyframes thermo-pulse {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.78); }
}
.frost__chip { animation: chip-float 7s ease-in-out infinite; }
.frost__chip--1 { transform: translate(40px, 60px); animation-delay: 0s; }
.frost__chip--2 { transform: translate(40px, 360px); animation-delay: -2.3s; }
.frost__chip--3 { transform: translate(380px, 220px); animation-delay: -4.6s; }
@keyframes chip-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -10px; }
}
@media (prefers-reduced-motion: reduce) {
  .frost__spin, .frost__thermo-fill, .frost__chip { animation: none; }
}

.hero__scroll {
  position: absolute; left: 50%; bottom: var(--sp-3); transform: translateX(-50%);
  width: 44px; height: 44px; border-radius: var(--r);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--primary); background: var(--surface-container-lowest);
  outline: 1px solid var(--outline);
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 0%,100%{transform:translate(-50%,0)} 50%{transform:translate(-50%,6px)} }

/* Sections */
.section { padding-block: var(--sp-10); }
.section--tint {
  background-color: var(--surface-container);
  background-image:
    repeating-linear-gradient(135deg, rgba(0,131,215,.045) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(45deg, rgba(15,40,70,.03) 0 1px, transparent 1px 18px);
}
.section--dark { background: var(--well); color: var(--on-well); }
.section__head { max-width: 760px; margin-bottom: var(--sp-6); }
.section__head--on-dark .section__title,
.section__head--on-dark .section__lead { color: var(--on-well); }
.section__head--on-dark .section__lead { color: var(--on-well-variant); }
.section__kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--primary); margin-bottom: var(--sp-2);
}
.section--dark .section__kicker { color: #7fc6f0; }
.section__title { font-size: clamp(32px, 4vw, 52px); margin: 0 0 var(--sp-2); }
.section__lead { font-size: clamp(16px, 1.5vw, 18px); color: var(--on-surface-variant); margin: 0; max-width: 640px; }

/* Products */
.products { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--sp-6); align-items: center; }
.products__media {
  background: var(--primary-container); border-radius: var(--r-xl);
  padding: var(--sp-4); display: flex; align-items: center; justify-content: center;
  min-height: 360px; outline: 1px solid var(--outline-variant);
}
.products__media img { max-height: 460px; width: auto; object-fit: contain; }
.products__list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
.product-card {
  background: var(--surface-container-lowest); outline: 1px solid var(--outline-variant);
  border-radius: var(--r); padding: var(--sp-3); display: flex; flex-direction: column; gap: 4px;
  color: inherit; height: 100%;
  transition: background .18s ease, outline-color .18s ease;
}
a.product-card:hover,
a.product-card:focus-visible {
  background: var(--primary-container);
  outline-color: transparent;
}
.product-card__temp { font-size: 22px; font-weight: 700; color: var(--primary); }
.product-card__name { font-size: 16px; font-weight: 600; color: var(--on-surface); }
.product-card__desc { font-size: 13px; color: var(--on-surface-variant); }

/* Calculator */
.section--calc {
  position: relative;
  overflow: hidden;
}
.section--calc::before {
  content: "";
  position: absolute; inset: -20% auto auto -10%;
  width: 55%; height: 90%; pointer-events: none;
  background: radial-gradient(ellipse at 30% 40%, rgba(0,131,215,.28), transparent 64%);
}
.calc-layout {
  position: relative;
  display: grid; grid-template-columns: 0.95fr 1.15fr; gap: var(--sp-6); align-items: stretch;
}
.calc-aside {
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-2) 0;
}
.calc-aside__visual { display: flex; align-items: center; gap: var(--sp-4); }
.calc-thermo { width: 88px; height: auto; flex: 0 0 88px; overflow: visible; }
.calc-aside__temp {
  margin: 0; font-size: clamp(52px, 6vw, 84px); font-weight: 700; line-height: .9;
  letter-spacing: -.03em; color: #fff;
}
.calc-aside__name {
  margin: 8px 0 0; font-size: 14px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: #7fc6f0;
}
.calc-aside__pack {
  margin: 12px 0 0; font-size: 28px; font-weight: 700; color: #fff;
  display: flex; align-items: baseline; gap: 10px;
}
.calc-aside__pack small {
  font-size: 14px; font-weight: 500; color: var(--on-well-variant);
}
.calc-aside__facts { display: flex; flex-direction: column; gap: 12px; }
.calc-aside__facts li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--on-well); line-height: 1.35;
}
.calc-aside__facts .material-symbols-rounded { color: #7fc6f0; font-size: 20px; margin-top: 1px; }
.calc {
  background: var(--surface-container-lowest);
  border-radius: var(--r);
  padding: var(--sp-5);
  display: flex; flex-direction: column; gap: var(--sp-4);
}
.calc__row { display: flex; flex-direction: column; gap: 12px; }
.calc__row--qty {
  flex-direction: row; align-items: center; justify-content: space-between; gap: var(--sp-3);
}
.calc__label { font-size: 15px; font-weight: 600; color: var(--on-surface); }
.calc__temps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.calc__temp {
  position: relative;
  aspect-ratio: 1; min-height: 88px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  color: #fff; z-index: 0;
  transition: transform .18s ease, filter .18s ease;
}
.calc__temp::before {
  content: "";
  position: absolute; inset: 10%;
  clip-path: polygon(50% 4%, 94% 26%, 94% 74%, 50% 96%, 6% 74%, 6% 26%);
  z-index: -1;
  box-shadow: inset 0 -8px 16px rgba(0,0,0,.18);
  transition: filter .18s ease, transform .18s ease;
}
.calc__temp::after {
  content: "";
  position: absolute; inset: 4%;
  clip-path: polygon(50% 2%, 96% 25%, 96% 75%, 50% 98%, 4% 75%, 4% 25%);
  background: transparent;
  z-index: -2;
  transition: background .18s ease;
}
.calc__temp--20::before { background: linear-gradient(165deg, #d7f1ff 0%, #7ec8f0 100%); }
.calc__temp--20 { color: #0a4a73; }
.calc__temp--25::before { background: linear-gradient(165deg, #8fd4f6 0%, #2aa0d9 100%); }
.calc__temp--25 { color: #063652; }
.calc__temp--30::before { background: linear-gradient(165deg, #3aa8e0 0%, #0070b8 100%); }
.calc__temp--35::before { background: linear-gradient(165deg, #1a7ab8 0%, #063a62 100%); }
.calc__temp .calc__flake { font-size: 20px; line-height: 1; }
.calc__temp--30 .calc__flake,
.calc__temp--35 .calc__flake { font-variation-settings: "FILL" 1, "wght" 500, "GRAD" 0, "opsz" 24; }
.calc__temp-val { font-size: 18px; font-weight: 700; line-height: 1; letter-spacing: -.02em; }
.calc__temp:hover,
.calc__temp:focus-visible { transform: translateY(-3px); filter: brightness(1.08); }
.calc__temp.is-active { transform: translateY(-3px) scale(1.08); z-index: 1; }
.calc__temp.is-active::after { background: #7fc6f0; }
.calc__stepper {
  display: flex; align-items: center;
  background: var(--surface-container-low);
  border-radius: var(--r); min-width: 220px; height: 48px;
  outline: 1px solid var(--outline-variant);
}
.calc__step {
  width: 48px; height: 48px; font-size: 22px; font-weight: 700;
  color: var(--primary); flex: 0 0 48px;
}
.calc__step:hover,
.calc__step:focus-visible { background: color-mix(in srgb, var(--primary) 10%, transparent); }
.calc__qty {
  flex: 1; min-width: 0; height: 48px; border: 0; background: transparent;
  text-align: center; font: inherit; font-weight: 700; font-size: 18px;
  color: var(--on-surface); appearance: textfield;
}
.calc__qty::-webkit-outer-spin-button,
.calc__qty::-webkit-inner-spin-button { appearance: none; margin: 0; }
.calc__order { width: 100%; justify-content: space-between; }
.calc__price { font-variant-numeric: tabular-nums; }

/* Lines */
.lines-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.line-card {
  background: var(--surface-container-lowest); outline: 1px solid var(--outline-variant);
  border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column;
}
.line-card__media--dark { background: var(--surface-container-lowest); display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; }
.line-card__media--dark img { max-height: 240px; width: auto; object-fit: contain; }
.line-card__body { padding: var(--sp-3); display: flex; flex-direction: column; gap: 6px; }
.line-card__title { font-size: 19px; font-weight: 600; margin: 0; }
.line-card__text { font-size: 14px; color: var(--on-surface-variant); margin: 0; }

/* Geography */
.geo { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--sp-5); align-items: center; }
.geo__map {
  background: var(--well-2); outline: 1px solid rgba(127,198,240,.18);
  border-radius: var(--r); padding: var(--sp-2); overflow: hidden;
}
.geo__map img { width: 100%; height: auto; border-radius: 4px; }
.geo__side { display: flex; flex-direction: column; gap: var(--sp-3); }
.geo__list { display: flex; flex-direction: column; gap: var(--sp-2); }
.geo__list li { display: flex; align-items: center; gap: 12px; color: var(--on-well); font-size: 15px; }
.geo__list .material-symbols-rounded { color: #7fc6f0; }

/* Six original advantages */
.pros {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3);
}
.pros__item {
  display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start;
  margin: 0; padding: 20px;
  background: var(--surface-container-lowest);
  outline: 1px solid var(--outline);
  border-radius: var(--r);
}
.pros__num {
  width: 48px; height: 48px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary); color: var(--on-primary);
  font-size: 20px; font-weight: 700; line-height: 1;
  border-radius: var(--r);
}
.pros__item p {
  margin: 0; font-size: 16px; line-height: 1.55; color: var(--on-surface);
}
.pros__since {
  margin: var(--sp-6) 0 0;
  text-align: center;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--on-surface);
}

/* Advantages — square cards, calm fills, no generic icons */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.adv-card {
  aspect-ratio: 1 / 1;
  border: 0;
  border-radius: var(--r);
  padding: var(--sp-6);
  display: flex; flex-direction: column; gap: 16px;
  justify-content: center;
}
.adv-card--a { background: #e8f3fa; }
.adv-card--b { background: #eef2f6; }
.adv-card--c { background: #e4eef4; }
.adv-card--d { background: #e6f0e9; }
.adv-card--e { background: #f3f6f8; }
.adv-card--f { background: #ebe7f2; }
.adv-card--priority { outline: 1px solid color-mix(in srgb, var(--primary) 28%, var(--outline)); }
.adv-card__icon { width: 72px; height: 72px; flex-shrink: 0; display: block; }
.adv-card h3 { margin: 0; font-size: 22px; font-weight: 600; }
.adv-card p { margin: 0; font-size: 16px; color: var(--on-surface-variant); line-height: 1.5; }

/* Packaging */
.pack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.pack-card {
  aspect-ratio: 1 / 1;
  border: 0;
  border-radius: var(--r);
  padding: var(--sp-6);
  display: flex; flex-direction: column; gap: 16px;
  justify-content: center;
}
.pack-card--a { background: #e8f3fa; }
.pack-card--b { background: #eef2f6; }
.pack-card--c { background: #e4eef4; }
.pack-card--priority { outline: 1px solid color-mix(in srgb, var(--primary) 28%, var(--outline)); }
.pack-card__icon { width: 72px; height: 72px; flex-shrink: 0; display: block; }
.pack-card h3 { margin: 0; font-size: 19px; font-weight: 600; }
.pack-card p { margin: 0; font-size: 14px; color: var(--on-surface-variant); }

/* Flow */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--sp-2); counter-reset: step; }
.flow__step {
  background: var(--surface-container-lowest); outline: 1px solid var(--outline-variant);
  border-radius: var(--r); padding: var(--sp-3); display: flex; flex-direction: column; gap: 8px;
  position: relative;
}
.flow__num {
  width: 36px; height: 36px; border-radius: var(--r);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary); color: var(--on-primary); font-weight: 700; font-size: 16px;
}
.flow__step h3 { margin: 0; font-size: 17px; font-weight: 600; }
.flow__step p { margin: 0; font-size: 13px; color: var(--on-surface-variant); }

/* Contacts — light table + single-column form */
.contacts { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); align-items: start; }
.contacts-list { display: grid; gap: 0; }
.contacts-list li {
  display: grid; grid-template-columns: 160px 1fr; gap: 16px; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--outline-variant);
}
.ci-label {
  font-weight: 700; color: var(--on-surface-variant); font-size: .86rem;
  text-transform: uppercase; letter-spacing: .06em;
}
.contacts-list a { font-weight: 700; color: var(--primary); }
.contacts-list a:hover { text-decoration: underline; }

.form {
  position: relative;
  background: var(--surface-container-lowest);
  outline: 1px solid var(--outline-variant);
  border-radius: var(--r); padding: var(--sp-4);
  min-height: 280px;
}
.form__title { font-size: 1.35rem; font-weight: 700; margin: 0 0 var(--sp-2); letter-spacing: -.01em; }

/* Yandex map — full bleed */
.map-bleed {
  width: 100%;
  min-height: 525px;
  line-height: 0;
  overflow: hidden;
  background: #e8eef4;
}
.map-bleed iframe,
.map-bleed ymaps,
.map-bleed > ymaps {
  display: block; width: 100% !important;
}

/* Footer */
.footer { background: var(--well); color: var(--on-well); padding: var(--sp-8) 0 var(--sp-4); }
.footer__inner {
  display: grid; grid-template-columns: 1.2fr 2fr; gap: var(--sp-6);
  padding-bottom: var(--sp-6); border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 0; }
.footer__logo { display: inline-flex; }
.footer__logo img { height: 36px; width: auto; filter: brightness(0) invert(1); }
.footer__tagline {
  margin-top: var(--sp-2); color: var(--on-well-variant);
  font-size: 16px; line-height: 1.5; max-width: 360px;
}
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.footer__heading {
  font-size: 13px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--on-well); margin: 0 0 var(--sp-2);
}
.footer__link {
  display: block; font-size: 15px; color: var(--on-well-variant);
  line-height: 1.5; margin-bottom: 8px; transition: color .2s ease;
}
a.footer__link:hover { color: #7fc6f0; }
.footer__link--static { cursor: default; }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--sp-2); padding-top: var(--sp-4);
}
.footer__copy, .footer__min { font-size: 12px; color: var(--on-well-variant); margin: 0; }

/* Responsive */
@media (max-width: 1080px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .appbar__phone { display: none; }
  .appbar__inner { gap: 8px; }
  .brand { flex: 1 1 auto; }
  .brand__logo { max-height: 36px; height: auto; }
  .hero__inner { grid-template-columns: 1fr; gap: var(--sp-5); }
  .hero__art { order: -1; min-height: 320px; }
  .products { grid-template-columns: 1fr; }
  .products__media { min-height: 280px; }
  .calc-layout { grid-template-columns: 1fr; }
  .calc { order: -1; }
  .lines-grid, .adv-grid, .pack-grid, .pros { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .geo { grid-template-columns: 1fr; }
  .contacts { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  :root { --pad-x: 16px; }
  .section { padding-block: var(--sp-8); }
  .hero__title { font-size: clamp(38px, 11vw, 60px); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .appbar__actions .btn { display: none; }
  .hero__stats { gap: var(--sp-3); }
  .products__list { grid-template-columns: 1fr; }
  .calc__row--qty { flex-direction: column; align-items: stretch; }
  .calc__stepper { width: 100%; min-width: 0; }
  .calc { padding: var(--sp-4); }
  .lines-grid, .adv-grid, .pack-grid, .pros { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .contacts-list li { grid-template-columns: 1fr; gap: 4px; }
  .footer__cols { grid-template-columns: 1fr; gap: var(--sp-3); }
  .footer__inner { grid-template-columns: 1fr; }
}

/* Mobile nav drawer */
.nav--open {
  position: fixed; top: 72px; left: 0; right: 0;
  display: flex; flex-direction: column; gap: 4px;
  background: var(--surface-container-lowest); padding: var(--sp-2);
  border-bottom: 1px solid var(--outline-variant);
  z-index: 55;
}
.nav--open .nav__link { padding: 14px 16px; font-size: 16px; border-radius: var(--r); }