/* ============================================================
   АкваБур Томск — дизайн-система
   Стиль: Trust & Authority · тёмная премиальная тема · вода/циан
   ============================================================ */

:root {
  /* Поверхности */
  --bg: #060d1b;
  --bg-elev: #0a1428;
  --surface: #0e1d38;
  --surface-2: #122544;
  --border: rgba(120, 170, 220, 0.12);
  --border-strong: rgba(120, 170, 220, 0.24);

  /* Бренд */
  --primary: #0ea5e9;
  --primary-600: #0284c7;
  --cyan: #22d3ee;
  --accent: #38bdf8;
  --glow: rgba(14, 165, 233, 0.45);

  /* Текст */
  --text: #eaf2fb;
  --text-soft: #b3c4da;
  --text-mut: #7e91ab;

  /* Состояния */
  --success: #34d399;
  --danger: #f87171;
  --warning: #fbbf24;

  /* Градиенты */
  --grad-primary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
  --grad-text: linear-gradient(110deg, #7dd3fc 0%, #22d3ee 45%, #38bdf8 100%);
  --grad-surface: linear-gradient(160deg, rgba(18, 37, 68, 0.9), rgba(10, 20, 40, 0.7));

  /* Геометрия */
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --maxw: 1180px;
  --gap: clamp(16px, 3vw, 28px);

  --shadow-sm: 0 4px 16px rgba(2, 10, 24, 0.4);
  --shadow-md: 0 18px 50px rgba(2, 10, 24, 0.55);
  --shadow-glow: 0 18px 60px -16px var(--glow);

  /* Шрифты (полная поддержка кириллицы) */
  --font-head: "Manrope", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset / база ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}
p {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
img,
svg {
  display: block;
  max-width: 100%;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Утилиты ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
}
.section {
  position: relative;
  padding: clamp(64px, 9vw, 120px) 0;
}
section[id],
header[id] {
  scroll-margin-top: 88px;
}
.icon {
  width: 24px;
  height: 24px;
}
.text-grad {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}
.section-head {
  max-width: 720px;
  margin: 0 auto clamp(40px, 6vw, 64px);
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  margin: 16px 0 14px;
}
.section-head p {
  color: var(--text-soft);
  font-size: 1.05rem;
}

/* ---------- Кнопки ---------- */
.btn {
  --pad-y: 14px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--pad-y) 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), border-color 0.25s var(--ease);
  overflow: hidden;
  isolation: isolate;
}
.btn .icon {
  width: 20px;
  height: 20px;
}
.btn-primary {
  background: var(--grad-primary);
  color: #04223a;
  box-shadow: var(--shadow-glow);
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255, 255, 255, 0.55) 50%,
    transparent 100%
  );
  transform: translateX(-130%);
  transition: transform 0.7s var(--ease);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 70px -14px var(--glow);
}
.btn-primary:hover::after {
  transform: translateX(130%);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  transform: translateY(-3px);
}
.btn-lg {
  --pad-y: 17px;
  padding-left: 32px;
  padding-right: 32px;
  font-size: 1.05rem;
}
.btn-block {
  width: 100%;
}

/* ---------- Навигация ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
    backdrop-filter 0.3s var(--ease), padding 0.3s var(--ease);
  border-bottom: 1px solid transparent;
  padding: 14px 0;
}
.nav.scrolled {
  background: rgba(6, 13, 27, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
  padding: 8px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.24rem;
  letter-spacing: -0.01em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--grad-primary);
  color: #04223a;
  box-shadow: var(--shadow-glow);
  flex: none;
}
.brand-mark .icon {
  width: 24px;
  height: 24px;
  stroke-width: 2.1;
}
.brand small {
  color: var(--cyan);
  font-weight: 800;
  font-size: 1em;
  margin-left: 0.06em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--text-soft);
  font-weight: 500;
  font-size: 0.96rem;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.nav-phone .icon {
  width: 18px;
  height: 18px;
  color: var(--cyan);
}
.nav-cta-btn {
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 46px;
  height: 46px;
  color: var(--text);
  place-items: center;
  flex: none;
}
.nav-toggle span {
  display: grid;
  place-items: center;
  transition: opacity 0.2s, transform 0.2s;
}
.nav-toggle .nav-toggle-close {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: rotate(-90deg);
}
.nav.mobile-open .nav-toggle .nav-toggle-open {
  opacity: 0;
  transform: rotate(90deg);
}
.nav.mobile-open .nav-toggle .nav-toggle-close {
  opacity: 1;
  transform: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(120px, 18vh, 200px) 0 clamp(60px, 8vw, 110px);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 200px;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 13, 27, 0) 0%, var(--bg) 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: radial-gradient(
      1200px 600px at 75% -10%,
      rgba(14, 165, 233, 0.22),
      transparent 60%
    ),
    radial-gradient(900px 500px at 5% 20%, rgba(34, 211, 238, 0.12), transparent 55%),
    var(--bg);
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(rgba(125, 211, 252, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 211, 252, 0.06) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 50% 25%, #000 0%, transparent 72%);
}
.blob {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  animation: blobFloat 16s ease-in-out infinite;
}
.blob.b1 {
  width: 420px;
  height: 420px;
  top: -80px;
  right: -60px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.55), transparent 70%);
}
.blob.b2 {
  width: 360px;
  height: 360px;
  bottom: -120px;
  left: -80px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.4), transparent 70%);
  animation-delay: -6s;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(28px, 5vw, 60px);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.08);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-soft);
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2.2s infinite;
}
.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 4rem);
  margin: 22px 0;
}
.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--text-soft);
  max-width: 560px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 26px;
}
.hero-trust {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-mut);
  font-size: 0.92rem;
}
.hero-trust .icon {
  width: 18px;
  height: 18px;
  color: var(--success);
}

/* Hero статистика */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 48px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.stat .num {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .label {
  font-size: 0.85rem;
  color: var(--text-mut);
  line-height: 1.35;
}

/* Hero визуал — разрез грунта + скважина */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1.04;
  width: 100%;
  max-width: 460px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--grad-surface);
  box-shadow: var(--shadow-md);
}
.hero-visual svg {
  width: 100%;
  height: 100%;
}
.well-drop {
  animation: dropFall 2.6s linear infinite;
}
.well-drop.d2 {
  animation-delay: -0.9s;
}
.well-drop.d3 {
  animation-delay: -1.8s;
}
.ripple {
  transform-origin: center;
  animation: rippleExpand 3s ease-out infinite;
}
.ripple.r2 {
  animation-delay: -1.5s;
}
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 15px;
  border-radius: 14px;
  background: rgba(8, 17, 34, 0.82);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  font-size: 0.85rem;
  font-weight: 600;
  animation: floaty 5s ease-in-out infinite;
}
.float-card .icon {
  width: 26px;
  height: 26px;
  color: var(--cyan);
}
.float-card small {
  display: block;
  color: var(--text-mut);
  font-weight: 500;
  font-size: 0.74rem;
}
.float-card.fc1 {
  top: 16px;
  left: 10px;
}
.float-card.fc2 {
  bottom: 22px;
  right: 10px;
  animation-delay: -2.5s;
}

/* ---------- Отдельная мобильная сцена героя ---------- */
.hero-mobile-visual {
  display: none;
}
.hmv-strata {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    #0b1a34 0%,
    #14233f 14%,
    #14233f 36%,
    #182c4d 38%,
    #182c4d 57%,
    #122340 59%,
    #122340 77%,
    #0a6ea4 80%,
    #0ea5e9 100%
  );
}
.hmv-strata::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 36% at 50% 92%, rgba(34, 211, 238, 0.4), transparent 70%),
    repeating-linear-gradient(90deg, rgba(125, 211, 252, 0.05) 0 1px, transparent 1px 48px);
}
.hmv-label {
  position: absolute;
  left: 18px;
  transform: translateY(-50%);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-soft);
  z-index: 2;
}
.hmv-label.water {
  color: #cdf3ff;
  font-weight: 600;
}
.hmv-rig {
  position: absolute;
  left: 50%;
  top: 7%;
  transform: translateX(-50%);
  height: 86%;
  width: 30px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.rig-knob {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex: none;
  background: radial-gradient(circle at 40% 35%, #7df0ff, #22d3ee 60%, #0891b2);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.7);
}
.rig-pipe {
  width: 15px;
  flex: 1;
  margin-top: -1px;
  border-radius: 6px 6px 0 0;
  background: repeating-linear-gradient(145deg, rgba(6, 12, 26, 0.5) 0 3px, transparent 3px 10px),
    linear-gradient(90deg, #46566e, #cbd5e1 50%, #3c4a62);
  background-size: 100% 16px, 100% 100%;
  animation: rigFlow 1s linear infinite;
}
.rig-bit {
  width: 0;
  height: 0;
  flex: none;
  margin-top: -1px;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 18px solid #cbd5e1;
}
.rig-drop {
  position: absolute;
  left: 50%;
  top: 14%;
  width: 6px;
  height: 9px;
  background: #cdf3ff;
  border-radius: 50% 50% 50% 50% / 60% 60% 45% 45%;
  transform: translateX(-50%);
  opacity: 0;
  animation: rigDrop 2.4s linear infinite;
}
.rig-drop.d2 {
  animation-delay: -0.8s;
}
.rig-drop.d3 {
  animation-delay: -1.6s;
}
.hmv-ripple {
  position: absolute;
  left: 50%;
  bottom: 9%;
  width: 44px;
  height: 44px;
  margin-left: -22px;
  border-radius: 50%;
  border: 2px solid rgba(205, 243, 255, 0.6);
  transform: scale(0.3);
  opacity: 0;
  z-index: 2;
  animation: hmvRipple 3s ease-out infinite;
}
.hmv-ripple.r2 {
  animation-delay: -1.5s;
}
@keyframes rigFlow {
  to {
    background-position: 0 16px, 0 0;
  }
}
@keyframes rigDrop {
  0% {
    transform: translate(-50%, 0);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    transform: translate(-50%, 150px);
    opacity: 0;
  }
}
@keyframes hmvRipple {
  0% {
    transform: scale(0.3);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* ---------- Сцена ГНБ (бегущая буровая головка) ---------- */
.hero-visual svg,
.hero-mobile-visual svg {
  display: block;
  width: 100%;
  height: 100%;
}
.gnb-head {
  offset-path: path("M28 150 C 150 150 150 320 200 320 C 250 320 250 150 372 150");
  offset-distance: 0%;
  offset-rotate: 0deg;
  animation: gnbHead 4.2s linear infinite;
}
.gnb-head.h2 {
  animation-delay: -2.1s;
}
@keyframes gnbHead {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}
.gnb-pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: gnbPulse 2.8s ease-out infinite;
}
.gnb-pulse.p2 {
  animation-delay: -1.4s;
}
@keyframes gnbPulse {
  0% { transform: scale(0.5); opacity: 0.7; }
  100% { transform: scale(2.9); opacity: 0; }
}
.gnb-particle {
  opacity: 0;
  transform-box: fill-box;
  animation: gnbFloat 6s ease-in-out infinite;
}
@keyframes gnbFloat {
  0% { transform: translateY(0); opacity: 0; }
  15% { opacity: 0.85; }
  85% { opacity: 0.35; }
  100% { transform: translateY(-70px); opacity: 0; }
}

/* ---------- Карточки услуг / преимуществ ---------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
}
.card {
  position: relative;
  padding: 30px;
  border-radius: var(--radius);
  background: var(--grad-surface);
  border: 1px solid var(--border);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    340px 200px at var(--mx, 50%) -10%,
    rgba(14, 165, 233, 0.16),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}
.card:hover::before {
  opacity: 1;
}
.card-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 15px;
  margin-bottom: 20px;
  color: var(--cyan);
  background: linear-gradient(160deg, rgba(34, 211, 238, 0.16), rgba(14, 165, 233, 0.06));
  border: 1px solid var(--border-strong);
}
.card-icon .icon {
  width: 28px;
  height: 28px;
}
.card h3 {
  font-size: 1.22rem;
  margin-bottom: 10px;
}
.card p {
  color: var(--text-soft);
  font-size: 0.97rem;
}

/* ---------- Процесс ---------- */
.process {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elev) 100%);
}
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  counter-reset: step;
}
.tl-step {
  position: relative;
  padding-top: 56px;
}
.tl-step::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(34, 211, 238, 0.15));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.7s var(--ease);
  transition-delay: calc(var(--d, 0ms) + 140ms);
}
.tl-step:last-child::before {
  background: var(--primary);
}
.is-visible.tl-step::before,
.tl-step.is-visible::before {
  transform: scaleX(1);
}
.tl-dot {
  counter-increment: step;
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 2px solid var(--primary);
  color: var(--cyan);
  font-family: var(--font-head);
  font-weight: 700;
  box-shadow: 0 0 0 6px rgba(14, 165, 233, 0.08);
  transform: scale(0.3);
  opacity: 0;
  transition: transform 0.5s var(--ease), opacity 0.4s var(--ease);
  transition-delay: var(--d, 0ms);
}
.tl-step.is-visible .tl-dot {
  transform: scale(1);
  opacity: 1;
}
.tl-dot::after {
  content: counter(step);
}
.tl-step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.tl-step p {
  color: var(--text-soft);
  font-size: 0.92rem;
}

/* ---------- Цены ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.price-card {
  position: relative;
  padding: 28px 26px;
  border-radius: var(--radius);
  background: var(--grad-surface);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.price-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
}
.price-card.featured {
  border-color: var(--primary);
  background: linear-gradient(165deg, rgba(14, 165, 233, 0.14), rgba(10, 20, 40, 0.6));
  box-shadow: var(--shadow-glow);
}
.price-badge {
  position: absolute;
  top: -12px;
  left: 26px;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--grad-primary);
  color: #04223a;
}
.price-card .type {
  font-weight: 600;
  font-size: 1.06rem;
  margin-bottom: 4px;
}
.price-card .unit {
  color: var(--text-mut);
  font-size: 0.85rem;
}
.price-card .price {
  font-family: var(--font-head);
  font-size: 1.7rem;
  font-weight: 700;
  margin-top: 16px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.price-note {
  margin-top: 26px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.92rem;
}
.price-note .icon {
  color: var(--cyan);
  flex: none;
  margin-top: 2px;
}

/* ---------- Отзывы ---------- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap);
}
.review {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--grad-surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.stars {
  display: flex;
  gap: 3px;
  color: var(--warning);
}
.stars .icon {
  width: 18px;
  height: 18px;
  fill: var(--warning);
  stroke: var(--warning);
}
.review p {
  color: var(--text-soft);
  font-size: 0.98rem;
  flex: 1;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatar {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #04223a;
  font-family: var(--font-head);
  font-weight: 700;
  flex: none;
}
.review-author .name {
  font-weight: 600;
}
.review-author .city {
  font-size: 0.85rem;
  color: var(--text-mut);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--grad-surface);
  overflow: hidden;
  transition: border-color 0.25s;
}
.faq-item.open {
  border-color: var(--border-strong);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
}
.faq-q .icon {
  flex: none;
  color: var(--cyan);
  transition: transform 0.3s var(--ease);
}
.faq-item.open .faq-q .icon {
  transform: rotate(180deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.faq-a-inner {
  padding: 0 24px 22px;
  color: var(--text-soft);
}

/* ---------- CTA-блок ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
}
.cta-card {
  position: relative;
  text-align: center;
  padding: clamp(40px, 6vw, 70px);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.18), rgba(34, 211, 238, 0.08));
  border: 1px solid var(--border-strong);
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(600px 280px at 50% 0%, rgba(34, 211, 238, 0.22), transparent 70%);
}
.cta-card > * {
  position: relative;
  z-index: 1;
}
.cta-card h2 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  margin-bottom: 14px;
}
.cta-card p {
  color: var(--text-soft);
  max-width: 560px;
  margin: 0 auto 30px;
  font-size: 1.06rem;
}

/* ---------- Контакты ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 20px;
  border-radius: var(--radius);
  background: var(--grad-surface);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}
.contact-card .ci {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  flex: none;
  color: var(--cyan);
  background: linear-gradient(160deg, rgba(34, 211, 238, 0.16), rgba(14, 165, 233, 0.06));
  border: 1px solid var(--border-strong);
}
.contact-card > span:last-child {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.contact-card .label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-mut);
  margin-bottom: 4px;
}
.contact-card .value {
  display: block;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.35;
  overflow-wrap: break-word;
  word-break: normal;
}

/* ---------- Формы ---------- */
.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-soft);
}
.field label .req {
  color: var(--cyan);
}
.input,
.textarea,
.select {
  width: 100%;
  padding: 14px 16px;
  background: rgba(6, 13, 27, 0.6);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.input::placeholder,
.textarea::placeholder {
  color: var(--text-mut);
}
.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.16);
  background: rgba(6, 13, 27, 0.85);
}
.textarea {
  resize: vertical;
  min-height: 120px;
}
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2322d3ee' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}
.field.invalid .input,
.field.invalid .textarea,
.field.invalid .select {
  border-color: var(--danger);
}
.field-error {
  display: none;
  margin-top: 7px;
  font-size: 0.84rem;
  color: var(--danger);
}
.field.invalid .field-error {
  display: block;
}

/* Форма заявки — раскладка */
.lead-wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}
.lead-form {
  padding: clamp(26px, 4vw, 40px);
  border-radius: var(--radius-lg);
  background: var(--grad-surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-note {
  font-size: 0.85rem;
  color: var(--text-mut);
  margin-top: 6px;
}
.form-success {
  display: none;
  text-align: center;
  padding: 30px 10px;
}
.form-success.show {
  display: block;
  animation: popIn 0.5s var(--ease);
}
.form-success .ok-ic {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.14);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: var(--success);
}
.form-success .ok-ic .icon {
  width: 40px;
  height: 40px;
}
.lead-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-self: start;
}
@media (min-width: 981px) {
  .lead-aside {
    position: sticky;
    top: 96px;
  }
}
.aside-card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--grad-surface);
  border: 1px solid var(--border);
}
.aside-card h3 {
  font-size: 1.15rem;
  margin-bottom: 16px;
}
.aside-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.aside-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-soft);
  font-size: 0.95rem;
}
.aside-list .icon {
  color: var(--success);
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  padding: 60px 0 30px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-about p {
  color: var(--text-soft);
  margin-top: 18px;
  max-width: 360px;
  font-size: 0.95rem;
}
.footer h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-mut);
  margin-bottom: 18px;
}
.footer-col a,
.footer-col span {
  display: block;
  color: var(--text-soft);
  padding: 6px 0;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--cyan);
}
.socials {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.socials a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  color: var(--text-soft);
  transition: all 0.25s var(--ease);
}
.socials a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-mut);
  font-size: 0.88rem;
}

/* ---------- Анимации появления ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--d, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Keyframes ---------- */
@keyframes blobFloat {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(28px, -24px) scale(1.08);
  }
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(52, 211, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}
@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}
@keyframes dropFall {
  0% {
    transform: translateY(-6px);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  85% {
    opacity: 1;
  }
  100% {
    transform: translateY(150px);
    opacity: 0;
  }
}
@keyframes rippleExpand {
  0% {
    transform: scale(0.3);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}
@keyframes popIn {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ---------- Бур-индикатор прокрутки ---------- */
.drill-rail {
  position: fixed;
  right: 22px;
  top: 92px;
  bottom: 30px;
  width: 30px;
  z-index: 80;
  pointer-events: none;
}
.drill-track,
.drill-hole {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  border-radius: 3px;
}
.drill-track {
  top: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(125, 211, 252, 0.16) 0 6px,
    rgba(125, 211, 252, 0.05) 6px 12px
  );
}
.drill-hole {
  top: 0;
  height: 0;
  background: linear-gradient(180deg, #22d3ee, #0ea5e9);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.55);
}
.drill-layers li {
  position: absolute;
  left: 50%;
  top: calc(var(--p) * 1%);
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 2px solid rgba(125, 211, 252, 0.28);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.drill-layers li span {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-mut);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s, color 0.3s;
}
.drill-layers li.reached {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.drill-layers li.reached span {
  color: var(--cyan);
}
.drill-layers li.is-water.reached {
  background: #7dd3fc;
  box-shadow: 0 0 16px #7dd3fc;
}
.drill-bit {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, 0);
  will-change: transform;
}
.drill-depth {
  position: absolute;
  right: 30px;
  top: 8px;
  display: flex;
  align-items: baseline;
  gap: 2px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(8, 17, 34, 0.9);
  border: 1px solid var(--border-strong);
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.3s, transform 0.3s;
}
.drill-rail.drilling .drill-depth {
  opacity: 1;
  transform: none;
}
.drill-svg {
  display: block;
}
.drill-flutes {
  animation: drillFlow 0.9s linear infinite;
}
.drill-rail.drilling .drill-flutes {
  animation-duration: 0.22s;
}
.drill-rail.drilling .drill-svg {
  animation: drillShake 0.12s linear infinite;
}
@keyframes drillFlow {
  from { transform: translateY(0); }
  to { transform: translateY(7px); }
}
@keyframes drillShake {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(0.7px); }
}

/* Метки слоёв подписываем только на широких экранах (есть поля по бокам) */
@media (min-width: 1320px) {
  .drill-layers li.reached span { opacity: 1; }
}

/* ---------- Липкая панель действий (мобильные) ---------- */
.mobile-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 95;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(6, 13, 27, 0.92);
  backdrop-filter: blur(14px) saturate(140%);
  border-top: 1px solid var(--border);
}
.mobile-cta.single {
  grid-template-columns: 1fr;
}
.mcta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 52px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 1rem;
}
.mcta-btn .icon {
  width: 20px;
  height: 20px;
}
.mcta-btn.call {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-strong);
}
.mcta-btn.call .icon {
  color: var(--cyan);
}
.mcta-btn.lead {
  background: var(--grad-primary);
  color: #04223a;
  box-shadow: var(--shadow-glow);
}
.mcta-btn:active {
  transform: scale(0.97);
}

/* ---------- Адаптив ---------- */
@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
    max-width: 420px;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 24px;
  }
  .tl-step::before {
    display: none;
  }
  .lead-wrap {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-about {
    grid-column: 1 / -1;
  }
}

/* Сворачиваем навигацию в бургер-меню */
@media (max-width: 900px) {
  .nav-toggle {
    display: grid;
  }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 18px calc(18px + env(safe-area-inset-bottom, 0px));
    background: rgba(6, 13, 27, 0.97);
    backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s var(--ease), transform 0.28s var(--ease),
      visibility 0.28s;
  }
  .nav.mobile-open .nav-menu {
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .nav-links a {
    padding: 13px 14px;
    font-size: 1.02rem;
  }
  .nav-phone {
    padding: 12px 14px;
    font-size: 1.05rem;
  }
  .nav-cta-btn {
    width: 100%;
    height: 50px;
    margin-top: 8px;
  }
}

@media (max-width: 760px) {
  /* Нижняя липкая панель действий + место под неё */
  .mobile-cta {
    display: grid;
  }
  body {
    padding-bottom: 86px;
  }

  /* Бур тоньше и не залезает на нижнюю панель */
  .drill-rail {
    right: 8px;
    top: 74px;
    bottom: 96px;
    width: 26px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Таймлайн становится вертикальным списком с линией слева */
  .timeline {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 4px;
  }
  .tl-step {
    padding: 0 0 30px 64px;
  }
  .tl-step:last-child {
    padding-bottom: 0;
  }
  .tl-dot {
    top: 0;
  }
  .tl-step::after {
    content: "";
    position: absolute;
    left: 22px;
    top: 50px;
    bottom: -2px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), rgba(34, 211, 238, 0.12));
  }
  .tl-step:last-child::after {
    display: none;
  }

  /* Плавающие карточки в hero — без отрицательных отступов */
  .float-card.fc1 {
    left: 10px;
    top: 12px;
  }
  .float-card.fc2 {
    right: 10px;
    bottom: 16px;
  }

  /* Десктопную схему прячем, показываем отдельную мобильную сцену */
  .hero-visual {
    display: none;
  }
  .hero-mobile-visual {
    display: block;
    order: -1;
    position: relative;
    width: 100%;
    height: clamp(330px, 66vw, 440px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-md);
  }

  .card {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 104px;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .cta-card .btn {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
  }
  .float-card {
    padding: 9px 12px;
    font-size: 0.8rem;
  }
  .float-card .icon {
    width: 22px;
    height: 22px;
  }
}