/* ====================================================
   Теплодон — стили сайта
   ==================================================== */

:root {
  /* Brand / heat palette */
  --orange-50:  #FFF4ED;
  --orange-100: #FFE6D5;
  --orange-300: #FFB088;
  --orange-400: #FF8A3D;
  --orange-500: #F97316;
  --orange-600: #EA580C;
  --orange-700: #C2410C;

  /* Neutrals */
  --ink-900: #0B1120;
  --ink-800: #111827;
  --ink-700: #1F2937;
  --ink-600: #374151;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50:  #F8FAFC;
  --white: #FFFFFF;

  --bg: #FBFAF8;
  --text: var(--ink-800);
  --muted: var(--slate-500);

  --grad-warm: linear-gradient(135deg, #FF8A3D 0%, #F4511E 100%);
  --grad-warm-soft: linear-gradient(135deg, #FFB088 0%, #FF7A45 100%);

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .12);
  --shadow-glow: 0 18px 50px rgba(249, 115, 22, .28);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --container: 1180px;
  --header-h: 76px;

  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ===== Reset & base ===== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', 'Inter', sans-serif; line-height: 1.12; letter-spacing: -0.02em; font-weight: 700; }

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; font-size: 1rem; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.container--narrow { max-width: 820px; }

.grad-text {
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: .95rem;
  padding: 12px 22px;
  border-radius: 999px;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
  white-space: nowrap;
  cursor: pointer;
}
.btn--lg { padding: 15px 30px; font-size: 1.02rem; }
.btn--primary {
  background: var(--grad-warm);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 22px 60px rgba(249, 115, 22, .4); }
.btn--ghost {
  background: rgba(255,255,255,.7);
  color: var(--ink-800);
  border: 1px solid var(--slate-200);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--orange-300); color: var(--orange-600); }

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(251, 250, 248, .72);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(15, 23, 42, .06);
}
.header__inner { display: flex; align-items: center; gap: 24px; height: 100%; }

.logo { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; }
.logo__mark { display: inline-flex; filter: drop-shadow(0 6px 14px rgba(244, 81, 30, .35)); }
.logo__text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}
.logo__text span { color: var(--orange-600); }

.nav { display: flex; gap: 4px; margin-left: 12px; }
.nav a {
  font-weight: 500;
  font-size: .95rem;
  color: var(--ink-600);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .15s, background .15s;
}
.nav a:hover { color: var(--orange-600); background: var(--orange-50); }

.header__cta { margin-left: auto; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; margin-left: auto; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink-800); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 18px;
  background: rgba(251, 250, 248, .96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(15,23,42,.06);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a { padding: 12px 8px; font-weight: 500; border-radius: 10px; }
.mobile-nav a:hover { background: var(--orange-50); color: var(--orange-600); }

/* ===== Hero ===== */
.hero { position: relative; padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 8vw, 100px); overflow: hidden; }
.hero__glow {
  position: absolute;
  top: -200px; right: -120px;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(255, 138, 61, .35), rgba(255, 138, 61, 0) 65%);
  filter: blur(20px);
  z-index: 0;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.hero__content { max-width: 620px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--orange-700);
  background: var(--orange-50);
  border: 1px solid var(--orange-100);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.badge__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange-500); box-shadow: 0 0 0 4px rgba(249,115,22,.18); }

.hero__title { font-size: clamp(2.2rem, 5.2vw, 3.7rem); margin-bottom: 20px; color: var(--ink-900); }
.hero__lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--slate-500); margin-bottom: 30px; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 42px; }

.hero__stats { display: flex; gap: 36px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat__num { font-family: 'Space Grotesk', sans-serif; font-size: 1.8rem; font-weight: 700; color: var(--ink-900); }
.stat__label { font-size: .85rem; color: var(--slate-500); }

/* Hero card */
.hero__card { display: flex; justify-content: center; }
.mini-calc {
  width: 100%;
  max-width: 360px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-100);
  transform: rotate(1.5deg);
  transition: transform .4s var(--ease);
}
.mini-calc:hover { transform: rotate(0deg) translateY(-4px); }
.mini-calc__head { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.mini-calc__icon { font-size: 1.6rem; width: 48px; height: 48px; display: grid; place-items: center; background: var(--orange-50); border-radius: 14px; }
.mini-calc__title { font-weight: 700; font-family: 'Space Grotesk', sans-serif; }
.mini-calc__sub { font-size: .8rem; color: var(--slate-400); }
.mini-calc__row { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px dashed var(--slate-200); font-size: .92rem; }
.mini-calc__row span { color: var(--slate-500); }
.mini-calc__row b { color: var(--ink-800); }
.mini-calc__result { margin-top: 18px; padding: 18px; border-radius: 16px; background: var(--grad-warm); color: #fff; }
.mini-calc__result span { font-size: .82rem; opacity: .9; }
.mini-calc__value { font-family: 'Space Grotesk', sans-serif; font-size: 2.1rem; font-weight: 700; margin-top: 4px; }

/* ===== Sections ===== */
.section { padding: clamp(56px, 8vw, 100px) 0; }
.section--alt { background: linear-gradient(180deg, var(--slate-50), #fff); }
.section__head { text-align: center; max-width: 680px; margin: 0 auto clamp(36px, 5vw, 56px); }
.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--orange-600);
  margin-bottom: 12px;
}
.section__title { font-size: clamp(1.7rem, 3.6vw, 2.6rem); color: var(--ink-900); margin-bottom: 14px; }
.section__desc { color: var(--slate-500); font-size: 1.05rem; }

/* ===== Calculator widget ===== */
.calc {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-100);
  overflow: hidden;
}
.calc__tabs {
  display: flex;
  gap: 6px;
  padding: 14px;
  background: var(--slate-50);
  border-bottom: 1px solid var(--slate-100);
  overflow-x: auto;
  scrollbar-width: thin;
}
.tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .92rem;
  color: var(--slate-500);
  white-space: nowrap;
  transition: background .18s, color .18s, box-shadow .18s;
}
.tab__icon { font-size: 1.1rem; }
.tab:hover { color: var(--ink-800); background: var(--white); }
.tab.is-active { background: var(--grad-warm); color: #fff; box-shadow: var(--shadow-glow); }

.panel { display: none; grid-template-columns: 1fr 1fr; gap: 0; }
.panel.is-active { display: grid; animation: fade .35s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.panel__form { padding: clamp(24px, 3vw, 40px); }
.panel__title { font-size: 1.5rem; margin-bottom: 8px; color: var(--ink-900); }
.panel__hint { color: var(--slate-500); font-size: .95rem; margin-bottom: 26px; }

.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; font-size: .88rem; font-weight: 600; color: var(--ink-700); margin-bottom: 7px; }
.field__hint { display: block; font-size: .8rem; color: var(--slate-400); margin-top: 6px; }

.field input,
.field select {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink-800);
  transition: border-color .15s, box-shadow .15s;
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--orange-400);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, .15);
}

.check { display: flex; align-items: center; gap: 11px; padding: 10px 0; cursor: pointer; font-size: .92rem; color: var(--ink-700); }
.check input { width: 20px; height: 20px; accent-color: var(--orange-500); cursor: pointer; flex-shrink: 0; }

/* Result side */
.panel__result {
  padding: clamp(24px, 3vw, 40px);
  background: linear-gradient(165deg, #FFF8F3 0%, #FFFFFF 60%);
  border-left: 1px solid var(--slate-100);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.result-card {
  background: var(--grad-warm);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}
.result-card::after {
  content: "";
  position: absolute;
  right: -40px; top: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(255,255,255,.25), transparent 70%);
}
.result-card__label { font-size: .9rem; opacity: .92; position: relative; }
.result-card__value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.6rem, 6vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  margin: 10px 0 6px;
  position: relative;
}
.result-card__note { font-size: .92rem; opacity: .95; position: relative; }

.result-extra { display: flex; flex-direction: column; gap: 10px; }
.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--slate-100);
  border-radius: var(--radius);
  font-size: .92rem;
  box-shadow: var(--shadow-sm);
}
.result-row span { color: var(--slate-500); }
.result-row b { color: var(--ink-900); font-family: 'Space Grotesk', sans-serif; font-size: 1.05rem; }

.calc__disclaimer {
  margin-top: 22px;
  text-align: center;
  font-size: .88rem;
  color: var(--slate-500);
  max-width: 760px;
  margin-inline: auto;
}

/* ===== Features ===== */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-100);
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.feature:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.feature__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  font-size: 1.7rem;
  background: var(--orange-50);
  border-radius: 16px;
  margin-bottom: 18px;
}
.feature h3 { font-size: 1.18rem; margin-bottom: 8px; color: var(--ink-900); }
.feature p { color: var(--slate-500); font-size: .96rem; }

/* ===== Steps ===== */
.steps { display: flex; align-items: stretch; justify-content: center; gap: 18px; flex-wrap: wrap; }
.step {
  flex: 1;
  min-width: 240px;
  max-width: 320px;
  background: var(--white);
  border: 1px solid var(--slate-100);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.step__num {
  width: 52px; height: 52px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  background: var(--grad-warm);
  border-radius: 50%;
  box-shadow: var(--shadow-glow);
}
.step h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--ink-900); }
.step p { color: var(--slate-500); font-size: .95rem; }
.step__arrow { display: flex; align-items: center; font-size: 1.6rem; color: var(--orange-400); font-weight: 700; }

.cta-banner {
  margin-top: clamp(40px, 6vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--ink-900), var(--ink-700));
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  right: -60px; bottom: -80px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(249,115,22,.5), transparent 65%);
}
.cta-banner h3 { font-size: clamp(1.3rem, 2.6vw, 1.8rem); margin-bottom: 6px; position: relative; }
.cta-banner p { color: var(--slate-300); position: relative; }
.cta-banner .btn { position: relative; }

/* ===== FAQ ===== */
.faq { display: flex; flex-direction: column; gap: 14px; }
.faq__item {
  background: var(--white);
  border: 1px solid var(--slate-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink-900);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--orange-500);
  transition: transform .25s var(--ease);
  line-height: 1;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { padding: 0 24px 22px; color: var(--slate-500); }

/* ===== Footer ===== */
.footer { background: var(--ink-900); color: var(--slate-300); padding: 64px 0 32px; }
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.logo--footer .logo__text { color: #fff; }
.logo--footer .logo__text span { color: var(--orange-400); }
.footer__tagline { margin-top: 16px; max-width: 320px; color: var(--slate-400); font-size: .95rem; }
.footer__nav { display: flex; flex-direction: column; gap: 10px; }
.footer__nav h4 { color: #fff; font-size: 1rem; margin-bottom: 6px; }
.footer__nav a { color: var(--slate-400); font-size: .93rem; transition: color .15s; }
.footer__nav a:hover { color: var(--orange-400); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  font-size: .88rem;
  color: var(--slate-400);
}

/* ===== Service entry ===== */
.service-entry {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: rgba(15, 23, 42, .28);
  background: rgba(255, 255, 255, .46);
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(15, 23, 42, .08);
  backdrop-filter: blur(10px);
  opacity: .56;
  transition: opacity .16s var(--ease), color .16s var(--ease), background .16s var(--ease), transform .16s var(--ease);
}
.service-entry:hover,
.service-entry:focus-visible {
  opacity: 1;
  color: var(--ink-800);
  background: rgba(255, 255, 255, .94);
  transform: translateY(-1px);
}

.service-modal {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: none;
}
.service-modal.is-open { display: block; }
.service-modal__backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 17, 32, .46);
  backdrop-filter: blur(5px);
}
.service-modal__card {
  position: absolute;
  right: 24px;
  bottom: 70px;
  width: min(390px, calc(100vw - 32px));
  padding: 26px;
  background: var(--white);
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(15, 23, 42, .28);
}
.service-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--slate-400);
  font-size: 1.6rem;
  line-height: 1;
  border-radius: 999px;
}
.service-modal__close:hover { color: var(--ink-800); background: var(--slate-100); }
.service-modal__eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--orange-600);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.service-modal h2 {
  margin-bottom: 20px;
  color: var(--ink-900);
  font-size: 1.55rem;
}
.service-form {
  display: grid;
  gap: 14px;
}
.service-form label {
  display: grid;
  gap: 7px;
  color: var(--ink-700);
  font-size: .88rem;
  font-weight: 600;
}
.service-form input {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  outline: none;
}
.service-form input:focus {
  border-color: var(--orange-400);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, .15);
}
.service-form button,
.service-pin > button[type="submit"] {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  color: #fff;
  background: var(--grad-warm);
  border-radius: 999px;
  font-weight: 700;
  box-shadow: var(--shadow-glow);
}
.service-form button:disabled,
.service-pin > button[type="submit"]:disabled {
  cursor: wait;
  opacity: .7;
}
.service-pin {
  display: grid;
  gap: 12px;
}
.service-pin-display {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.service-pin-dot {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  color: var(--ink-900);
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
}
.service-pin-dot.is-filled::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--ink-900);
}
.service-keypad {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.service-keypad button,
.service-pin-actions button {
  height: 44px;
  border: 1px solid var(--slate-200);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink-900);
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.08rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: none;
}
.service-keypad button:hover,
.service-pin-actions button:hover {
  border-color: var(--orange-500);
}
.service-pin-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.service-pin-actions button {
  height: 38px;
  color: var(--muted);
  font-family: inherit;
  font-size: .88rem;
  font-weight: 700;
}
.service-pin > button[type="submit"] {
  margin-top: 10px;
}
.service-modal__note {
  min-height: 18px;
  margin-top: 12px;
  color: var(--orange-700);
  font-size: .86rem;
}
.service-modal__note.is-error { color: #DC2626; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .nav, .header__cta { display: none; }
  .nav-toggle { display: flex; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__card { justify-content: flex-start; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .panel.is-active { grid-template-columns: 1fr; }
  .panel__result { border-left: none; border-top: 1px solid var(--slate-100); }
  .step__arrow { transform: rotate(90deg); }
}

@media (max-width: 560px) {
  .container { padding-inline: 18px; }
  .features { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__stats { gap: 24px; }
  .cta-banner { flex-direction: column; align-items: flex-start; }
  .service-modal__card {
    right: 16px;
    bottom: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}