:root {
  /* ── Brand palette ── */
  --brand-navy: #0b0f1e;
  --brand-navy-deep: #030610;
  --brand-purple: #1e40af;
  --brand-indigo: #3b82f6;
  --brand-blue: #1d4ed8;
  --brand-teal: #00e6b8;
  --brand-teal-hover: #00ffcc;

  /* ── Surfaces ── */
  --surface-page: #f8f8f8;
  --surface-card: #ffffff;
  --surface-tint: rgba(239, 246, 255, 0.6);

  /* ── Text ── */
  --text-primary: #0b0f1e;
  --text-secondary: #444444;
  --text-on-dark: #f8f8f8;
  --text-on-dark-muted: rgba(248, 248, 248, 0.72);
  --text-on-dark-subtle: #c8d4e8;

  /* ── UI tokens ── */
  --color-accent: var(--brand-teal);
  --color-primary: var(--brand-navy);
  --color-text-muted: var(--text-secondary);
  --color-bg: var(--surface-page);
  --color-border: rgba(59, 130, 246, 0.5);
  --color-border-subtle: rgba(59, 130, 246, 0.2);

  --max-width: 1200px;
  --section-padding: clamp(24px, 5vw, 40px);
  --radius-lg: 40px;
  --radius-md: 20px;
  --radius-sm: 16px;
  --transition: 0.3s ease;
  --shadow-card: 0 8px 32px rgba(11, 15, 30, 0.1);
  --shadow-hover: 0 16px 48px rgba(11, 15, 30, 0.16);

  --gradient-heading: linear-gradient(
    120deg,
    var(--brand-navy-deep) 0%,
    var(--brand-blue) 55%,
    var(--brand-indigo) 100%
  );
  --gradient-brand: linear-gradient(
    145deg,
    #0d1230 0%,
    var(--brand-navy) 50%,
    #080c1c 100%
  );
  --gradient-hero: linear-gradient(
    to bottom,
    #080c1e 0%,
    #080c1e 30%,
    rgba(8, 12, 30, 0.93) 46%,
    rgba(10, 16, 44, 0.72) 60%,
    rgba(30, 60, 130, 0.28) 76%,
    rgba(215, 228, 252, 0.14) 88%,
    var(--surface-page) 100%
  );
  --gradient-footer: linear-gradient(
    to bottom,
    #1a2a5e 0%,
    #0f1a3c 30%,
    var(--brand-navy) 70%
  );
}

/* ── Reset ── */

.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;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

a {
  color: inherit;
  text-decoration: none;
}

body {
  overflow-x: hidden;
  font-family: "Montserrat", sans-serif;
  -webkit-font-smoothing: antialiased;
  background-color: var(--color-bg);
}

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

/* ── Hero ── */

.start-section {
  position: sticky;
  top: 0;
  z-index: 1;
  background-color: var(--color-bg);
  background-image: url("images/hero/bg-texture.webp"), var(--gradient-hero);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  width: 100%;
  min-height: clamp(580px, 90vh, 760px);
  display: flex;
  flex-direction: column;
  overflow: visible;
  padding-top: clamp(72px, 10vw, 92px);
  padding-bottom: clamp(80px, 12vw, 120px);
}

.start-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 90% 80% at 50% 35%,
    transparent 35%,
    rgba(12, 14, 43, 0.35) 100%
  );
  pointer-events: none;
  z-index: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-bg__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}

.hero-bg__orb--1 {
  width: 420px;
  height: 420px;
  top: -80px;
  right: -60px;
  background: rgba(0, 230, 184, 0.18);
}

.hero-bg__orb--2 {
  width: 320px;
  height: 320px;
  top: 15%;
  left: -100px;
  background: rgba(59, 130, 246, 0.22);
}

.hero-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 15%, transparent 68%);
  opacity: 0.7;
}

.start-section .main-info {
  position: relative;
  z-index: 1;
}

/* ── Header ── */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 20px var(--section-padding);
  gap: 16px;
}

header::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  z-index: -1;
  pointer-events: none;
  opacity: 1;
  background: rgba(12, 20, 48, 0.96);
  backdrop-filter: blur(16px);
  box-shadow:
    0 1px 0 rgba(0, 230, 184, 0.18),
    0 8px 32px rgba(8, 12, 30, 0.4);
}

.logo img {
  height: clamp(36px, 5vw, 52px);
  width: auto;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer;
  z-index: 110;
  transition: background var(--transition);
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.mobile-menu-btn__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-on-dark);
  border-radius: 2px;
  transition:
    transform var(--transition),
    opacity var(--transition);
}

.mobile-menu-btn.active .mobile-menu-btn__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active .mobile-menu-btn__bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .mobile-menu-btn__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

header nav ul {
  display: flex;
  flex-direction: row;
  align-items: center;
  list-style: none;
  gap: clamp(24px, 5vw, 70px);
}

header nav ul li {
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  position: relative;
  display: inline-block;
}

header nav ul li a {
  transition: opacity var(--transition);
}

header nav ul li a:hover {
  opacity: 0.85;
}

header nav ul li::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: #ffffff;
  transition: width var(--transition);
}

header nav ul li:hover::after {
  width: 100%;
}

header .header-btn button {
  cursor: pointer;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5px;
  padding: 14px 22px;
  color: var(--text-on-dark);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: linear-gradient(
    rgba(246, 247, 251, 0.1),
    rgba(233, 235, 240, 0.1)
  );
  transition:
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  white-space: nowrap;
}

header .header-btn button:hover {
  background: linear-gradient(
    rgba(246, 247, 251, 0.2),
    rgba(233, 235, 240, 0.2)
  );
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

header .header-btn button:focus-visible,
.mobile-menu-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Hero content ── */

.main-info {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  flex: 1;
  padding: clamp(40px, 8vw, 80px) var(--section-padding) clamp(48px, 8vw, 80px);
  text-align: center;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 2vw, 20px);
  margin: 0;
  color: var(--text-on-dark);
}

.hero-title__brand {
  font-size: clamp(52px, 11vw, 104px);
  letter-spacing: clamp(1px, 0.3vw, 3px);
  font-weight: 700;
  line-height: 1.02;
}

.hero-title__tagline {
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 500;
  color: rgba(248, 248, 248, 0.88);
  max-width: 28ch;
}

.main-info h1 span {
  color: var(--color-accent);
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  margin-bottom: 24px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248, 248, 248, 0.9);
  border: 1px solid rgba(143, 164, 252, 0.4);
  border-radius: 100px;
  background: rgba(12, 14, 43, 0.35);
  backdrop-filter: blur(8px);
}

.hero-lead {
  margin-top: 20px;
  color: var(--text-on-dark-subtle);
  font-size: clamp(10px, 2vw, 14px);
  line-height: 1.25;
  font-weight: 400;
  max-width: 1000px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin-top: 36px;
  margin-bottom: clamp(8px, 2vw, 16px);
}

.hero-cta {
  cursor: pointer;
  padding: 16px 36px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-accent);
  border: none;
  border-radius: 100px;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 230, 184, 0.4);
  background: var(--brand-teal-hover);
}

.hero-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(248, 248, 248, 0.85);
  border-bottom: 1px solid rgba(0, 230, 184, 0.5);
  padding-bottom: 2px;
  transition:
    color var(--transition),
    border-color var(--transition);
}

.hero-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ── Scroll indicator ── */

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  justify-content: center;
}

.hero-scroll__line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.65),
    transparent
  );
  animation: scrollPulse 2.2s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scrollPulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.85;
    transform: scaleY(0.6);
  }
}

/* ── Main content wrapper ── */

main {
  position: relative;
  z-index: 200;
  isolation: isolate;
  background: var(--color-bg);
  width: 100%;
  margin-top: clamp(-120px, -12vw, -80px);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
}

/* ── About / Info section ── */

.information-section {
  max-width: var(--max-width);
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  flex-direction: row;
  gap: clamp(32px, 5vw, 56px);
  margin: 0 auto;
  padding: clamp(80px, 11vw, 104px) var(--section-padding)
    clamp(48px, 8vw, 72px);
}

.section-intro {
  flex: 1;
  max-width: 480px;
}

.section-label {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-purple);
}

.text-lead {
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-primary);
}

.text-lead strong {
  font-weight: 700;
  color: var(--color-primary);
}

.information-section .info-numbers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 3vw, 40px);
  flex: 1.2;
  margin: 0;
  /* Важно: не растягивать карточки на всю высоту контейнера */
  align-items: start;
  grid-auto-rows: minmax(min-content, max-content);
}

.info-numbers .number-card {
  padding: clamp(20px, 3vw, 28px);
  background: var(--surface-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--color-accent);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--transition),
    box-shadow var(--transition);
  align-self: start;
}

.info-numbers .number-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.info-numbers .number-card__value {
  display: block;
  background: var(--gradient-heading);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 700;
  line-height: 1;
}

.info-numbers .number-card__label {
  font-size: clamp(13px, 1.5vw, 15px);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-top: 12px;
}

.info-numbers .number-card--htp,
.info-numbers .number-card--license {
  display: flex;
}

.number-card--htp dd,
.number-card--license dd {
  width: 100%;
}

.number-card--htp .number-card__badge-link,
.number-card--license .number-card__badge-link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  text-decoration: none;
  color: inherit;
}

.number-card__media {
  display: flex;
  align-items: center;
  min-height: 44px;
}

.number-card--license {
  position: relative;
}

.number-card--license[data-license-modal] {
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(0, 230, 184, 0.12);
}

.number-card--license[data-license-modal] * {
  pointer-events: none;
}

.number-card--license[data-license-modal]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.number-card__media--icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(29, 64, 175, 0.1);
  color: var(--brand-blue);
}

.number-card__media--icon svg {
  display: block;
}

.number-card--htp img {
  width: min(120px, 100%);
  height: auto;
  display: block;
}

.info-numbers .number-card--htp .number-card__value--text,
.info-numbers .number-card--license .number-card__value--text {
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.3;
  flex-shrink: initial;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: initial;
  color: var(--color-primary);
}

.number-card__badge-btn {
  width: 100%;
  min-height: 44px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  text-align: left;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 2;
}

.number-card__badge-btn .number-card__value,
.number-card__badge-btn .number-card__hint {
  pointer-events: none;
}

.number-card--license dd {
  flex: 1;
  min-width: 0;
  width: 100%;
}

.number-card__hint {
  font-size: clamp(13px, 1.6vw, 14px);
  color: var(--color-text-muted);
  line-height: 1.45;
}

.number-card--htp:hover .number-card__badge-link,
.number-card--license:hover .number-card__badge-link,
.number-card--license:hover .number-card__badge-btn {
  opacity: 0.92;
}

.license-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(20px, env(safe-area-inset-top))
    max(20px, env(safe-area-inset-right))
    max(20px, env(safe-area-inset-bottom))
    max(20px, env(safe-area-inset-left));
}

.license-modal[hidden] {
  display: none !important;
}

.license-modal.is-open {
  display: flex;
}

.license-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 16, 28, 0.72);
  backdrop-filter: blur(4px);
}

.license-modal__dialog {
  position: relative;
  width: min(720px, 100%);
  max-height: min(88vh, 720px);
  max-height: min(88dvh, 720px);
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

@media (max-width: 640px) {
  .license-modal {
    align-items: flex-start;
    padding: 88px 16px 16px;
  }

  .license-modal__dialog {
    max-height: min(calc(100vh - 104px), 640px);
    max-height: min(calc(100dvh - 104px), 640px);
  }
}

.license-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--surface-card);
}

.license-modal__header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.license-modal__close {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: #fff;
  color: var(--color-text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.license-modal__frame {
  width: 100%;
  flex: 1;
  min-height: 360px;
  border: 0;
  background: #f4f4f4;
}

.license-modal__footer {
  margin: 0;
  padding: 12px 20px 16px;
  font-size: 14px;
  text-align: center;
  background: var(--surface-card);
  border-top: 1px solid var(--color-border-subtle);
}

.license-modal__footer a {
  color: var(--color-accent);
  text-decoration: none;
}

.license-modal__footer a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .license-modal__dialog {
    max-height: min(92dvh, 720px);
  }

  .license-modal__frame {
    min-height: 260px;
  }

  .license-modal__close {
    width: 44px;
    height: 44px;
  }
}

@media (hover: none) {
  .info-numbers .number-card:hover {
    transform: none;
    box-shadow: var(--shadow-card);
  }

  .info-numbers .number-card,
  .fade-in.visible .info-numbers .number-card,
  .fade-in.visible .info-numbers .number-card:active {
    transform: none;
  }
}

/* ── Section header ── */

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(24px, 4vw, 48px);
  padding: 0;
}

.section-header .section-label {
  margin-bottom: 10px;
}

.section-header h2,
#contacts-section h2 {
  background: var(--gradient-heading);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(32px, 5.5vw, 52px);
  font-weight: 700;
  margin-bottom: 18px;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-align: inherit;
}

.section-desc {
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.75;
  color: var(--color-text-muted);
  font-weight: 400;
}

.text-lead--compact {
  margin-top: 1rem;
  font-size: clamp(15px, 1.8vw, 17px);
}

.text-lead--compact a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.text-lead--compact a:hover {
  text-decoration: underline;
}

/* ── Technologies ── */

#technologies-section {
  padding: clamp(48px, 8vw, 80px) var(--section-padding);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.tech-tag {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  transition: border-color 0.2s, background 0.2s;
}

.tech-tag:hover {
  border-color: rgba(0, 230, 184, 0.45);
  background: rgba(0, 230, 184, 0.08);
}

/* ── FAQ ── */

#faq-section {
  padding: clamp(48px, 8vw, 80px) var(--section-padding);
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border-radius: var(--radius-sm, 14px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 22px;
  font-weight: 600;
  font-size: clamp(15px, 2vw, 17px);
  color: var(--color-text);
  line-height: 1.45;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 22px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.faq-item p a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.faq-item p a:hover {
  text-decoration: underline;
}

/* ── Section layout ── */

#services-section,
#advantages-section,
#contacts-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--section-padding);
}

#advantages-section {
  padding-bottom: clamp(56px, 8vw, 80px);
}

#contacts-section {
  padding: var(--section-padding) var(--section-padding)
    clamp(130px, 14vw, 180px);
}

#contacts-section h2 {
  text-align: left;
}

/* ── Footer ── */

.site-footer {
  position: relative;
  z-index: 200;
  background-color: var(--brand-navy);
  background-image: url("images/hero/bg-texture.webp"), var(--gradient-footer);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  color: var(--text-on-dark);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 90% 85% at 50% 20%,
    transparent 30%,
    rgba(12, 14, 43, 0.35) 100%
  );
  pointer-events: none;
  z-index: 0;
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 80px) var(--section-padding) clamp(32px, 5vw, 48px);
}

.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: clamp(28px, 4vw, 40px);
  padding-bottom: clamp(24px, 4vw, 32px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__brand img {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
  opacity: 0.95;
}

.site-footer__brand p {
  max-width: 320px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-on-dark-muted);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 32px);
}

.site-footer__nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-on-dark);
  transition: color var(--transition);
}

.site-footer__nav a:hover {
  color: var(--brand-teal);
}

.site-footer__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 48px);
  margin-bottom: clamp(24px, 4vw, 32px);
}

.site-footer__metrics span {
  font-size: 13px;
  color: var(--text-on-dark-muted);
}

.site-footer__metrics strong {
  display: block;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--brand-teal);
  line-height: 1.2;
  margin-bottom: 2px;
}

.site-footer__copy {
  font-size: 13px;
  color: rgba(248, 248, 248, 0.5);
  line-height: 1.5;
}

/* ── Services ── */

.services-container {
  margin: clamp(24px, 5vw, 52px) 0;
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vw, 52px);
}

.service-card {
  position: relative;
  width: 100%;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
  background: var(--surface-card);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 32px);
  box-shadow: 0 4px 24px rgba(12, 14, 43, 0.06);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-teal), var(--brand-indigo));
  z-index: 1;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(12, 14, 43, 0.1);
  border-color: rgba(143, 164, 252, 0.45);
}

.service-card__index {
  position: absolute;
  top: clamp(28px, 4vw, 44px);
  right: clamp(28px, 4vw, 44px);
  font-size: clamp(12px, 1.4vw, 14px);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-purple);
  opacity: 0.28;
  z-index: 2;
  pointer-events: none;
  user-select: none;
}

.service-card__media {
  grid-column: 2;
  grid-row: 1 / 3;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  min-height: 240px;
  background: linear-gradient(
    135deg,
    rgba(77, 59, 158, 0.08) 0%,
    rgba(242, 239, 255, 0.6) 100%
  );
}

.service-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(12, 14, 43, 0.12) 100%
  );
  pointer-events: none;
}

.service-card .service-img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

.service-card .description {
  grid-column: 1;
  grid-row: 1;
}

.service-card .description img {
  width: 52px;
  height: 52px;
  margin-bottom: 12px;
}

.service-card .description h3 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  background: var(--gradient-heading);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  line-height: 1.2;
}

.service-card .description h3 a {
  color: inherit;
  -webkit-text-fill-color: inherit;
  text-decoration: none;
}

.service-card .description h3 a:hover {
  opacity: 0.85;
}

.service-card .description p {
  font-size: clamp(15px, 2vw, 16px);
  color: var(--color-text-muted);
  line-height: 1.7;
  font-weight: 400;
  max-width: 48ch;
}

.service-card .list {
  grid-column: 1;
  grid-row: 2;
  align-self: flex-end;
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(16px, 4vw, 40px);
}

.service-card .list .list-item {
  padding: 10px 16px;
  color: var(--brand-purple);
  border-radius: 100px;
  border: 1px solid var(--color-border-subtle);
  background: var(--surface-tint);
  font-size: clamp(12px, 1.4vw, 13px);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.service-card .list .list-item:hover {
  background: rgba(0, 230, 184, 0.1);
  border-color: rgba(0, 230, 184, 0.35);
  color: var(--brand-navy);
}

/* ── Advantages slider ── */

.advantages-slider {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  overflow-x: clip;
  overflow-y: visible;
}

.advantages-slider__viewport {
  overflow: visible;
  cursor: grab;
  user-select: none;
  touch-action: pan-y pinch-zoom;
}

.advantages-slider__viewport.is-dragging {
  cursor: grabbing;
}

.advantages-slider__viewport.is-dragging .advantages-slide__media img {
  pointer-events: none;
}

.advantages-slider__track {
  display: flex;
  gap: 20px;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.advantages-slide {
  flex-shrink: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden;
  transition: border-color var(--transition);
}

.advantages-slide.is-active {
  border-color: rgba(59, 130, 246, 0.4);
}

.advantages-slide__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(
    135deg,
    rgba(77, 59, 158, 0.15) 0%,
    rgba(242, 239, 255, 0.5) 100%
  );
  overflow: hidden;
}

.advantages-slide__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(12, 14, 43, 0.15) 0%, transparent 45%);
  pointer-events: none;
  z-index: 1;
}

.advantages-slide__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.92;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.advantages-slide.is-active .advantages-slide__media img {
  transform: scale(1.03);
}

.advantages-slide__body {
  padding: clamp(20px, 3vw, 28px) clamp(22px, 3vw, 28px) clamp(24px, 3vw, 28px);
}

.advantages-slide__num {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--brand-purple);
  opacity: 0.28;
  margin-bottom: 8px;
}

.advantages-slide__body h3 {
  font-size: clamp(20px, 2.5vw, 24px);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.advantages-slide__body p {
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.65;
  color: var(--color-text-muted);
  font-weight: 400;
}

.advantages-slider__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 28px);
}

.slider-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border-subtle);
  background: var(--surface-card);
  color: var(--brand-navy);
  cursor: pointer;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition);
  flex-shrink: 0;
}

.slider-btn:hover:not(:disabled) {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  transform: scale(1.05);
}

.slider-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.advantages-slider__dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.advantages-slider__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(12, 14, 43, 0.18);
  cursor: pointer;
  transition:
    width var(--transition),
    background var(--transition);
}

.advantages-slider__dot.is-active {
  width: 24px;
  border-radius: 4px;
  background: var(--color-accent);
}

/* ── Contacts ── */

.contacts-container {
  width: 100%;
}

.contacts-container > p {
  max-width: 56ch;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.6;
  margin-top: 8px;
}

.contacts-layout {
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 32px);
}

.contacts-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
  margin: clamp(16px, 3vw, 28px) 0 0;
}

.contact-form {
  background: var(--surface-card);
  border: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--brand-teal);
  border-radius: var(--radius-sm);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: var(--shadow-card);
}

.contact-form__title {
  margin: 0 0 18px;
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 700;
  color: var(--color-primary);
  text-align: left;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-form__field {
  margin-bottom: 14px;
}

.contact-form__field label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

.contact-form__optional {
  font-weight: 500;
  color: var(--color-text-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--color-primary);
  background: var(--surface-page);
  border: 1px solid var(--color-border-subtle);
  border-radius: 10px;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.contact-form textarea {
  resize: vertical;
  min-height: 112px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(0, 230, 184, 0.55);
  box-shadow: 0 0 0 3px rgba(0, 230, 184, 0.12);
}

.contact-form input:invalid:not(:placeholder-shown),
.contact-form textarea:invalid:not(:placeholder-shown) {
  border-color: rgba(239, 68, 68, 0.45);
}

.contact-form__consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 4px 0 16px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-muted);
  cursor: pointer;
}

.contact-form__consent input {
  width: auto;
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--brand-teal);
}

.contact-form__consent a {
  color: var(--brand-purple);
  font-weight: 600;
  text-decoration: none;
}

.contact-form__consent a:hover {
  text-decoration: underline;
}

.contact-form__submit {
  width: 100%;
  border: none;
  cursor: pointer;
}

.contact-form__submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.contact-form__status {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.5;
}

.contact-form__status.is-success {
  color: #0a7a5e;
}

.contact-form__status.is-error {
  color: #b42318;
}

.contact-form__hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(16px, 1.8vw, 22px);
  color: var(--color-primary);
  font-weight: 600;
  transition: color var(--transition);
  white-space: nowrap;
}

.contact-link:hover {
  color: var(--brand-purple);
}

.contact-link__icon {
  flex-shrink: 0;
  width: clamp(18px, 2.2vw, 24px);
  height: clamp(18px, 2.2vw, 24px);
  color: var(--brand-teal);
}

.contacts-legal {
  position: relative;
  margin-top: clamp(16px, 3vw, 28px);
  padding: clamp(16px, 2.5vw, 22px) clamp(20px, 3vw, 28px);
  background: var(--surface-card);
  border: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--brand-teal);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px rgba(8, 12, 30, 0.07);
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.contacts-legal__name {
  margin: 0;
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.contacts-legal__unp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.contacts-legal__label {
  padding: 3px 9px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-purple);
  background: rgba(30, 64, 175, 0.07);
  border-radius: 100px;
}

.contacts-legal__value {
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.map-container {
  width: 100%;
  margin-top: clamp(32px, 5vw, 48px);
}

.map-container iframe {
  border: none;
  border-radius: var(--radius-lg);
  width: 100%;
  height: clamp(260px, 32vw, 380px);
  box-shadow: var(--shadow-card);
  display: block;
}

/* ── Scroll animations ── */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Focus styles ── */

.slider-btn:focus-visible,
.advantages-slider__dot:focus-visible,
.hero-cta:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Responsive ── */

@media (max-width: 1024px) {
  #contacts-section h2 {
    text-align: center;
  }

  .contacts-container {
    text-align: center;
  }

  .contacts-container > p {
    max-width: none;
    margin-inline: auto;
  }

  .contact-link {
    justify-content: center;
  }

  .contacts-layout {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-inline: auto;
  }

  .contact-form__title {
    text-align: center;
  }

  .contact-form__row {
    grid-template-columns: 1fr;
  }

  .contacts-legal {
    align-self: center;
  }
}

@media (max-width: 924px) {
  .information-section {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  .section-intro {
    max-width: 100%;
  }

  .information-section .info-numbers {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .service-card {
    grid-template-columns: 1fr;
    border-radius: var(--radius-md);
  }

  .service-card__media {
    grid-column: 1;
    grid-row: 2;
    max-height: 260px;
  }

  .service-card .service-img {
    min-height: 180px;
    max-height: 260px;
  }

  .service-card .description {
    grid-column: 1;
    grid-row: 1;
  }

  .service-card .list {
    grid-column: 1;
    grid-row: 3;
    margin-top: 8px;
    align-self: flex-start;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
    order: 3;
    margin-left: auto;
  }

  .header-btn {
    order: 2;
  }

  .logo {
    order: 1;
  }

  header nav {
    position: fixed;
    inset: 0;
    background: rgba(8, 12, 30, 0.97);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity var(--transition),
      visibility var(--transition);
    z-index: 300;
  }

  header nav.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  header nav ul {
    flex-direction: column;
    gap: 32px;
  }

  header nav ul li {
    font-size: 22px;
  }

  header nav ul li::after {
    display: none;
  }

  .information-section {
    padding-top: clamp(56px, 10vw, 80px);
    padding-bottom: clamp(32px, 6vw, 56px);
  }

  .information-section .info-numbers {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .info-numbers .number-card {
    text-align: left;
    max-width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 20px;
    padding: 18px 20px;
  }

  .info-numbers .number-card--htp,
  .info-numbers .number-card--license {
    flex-direction: column;
    align-items: stretch;
  }

  .info-numbers .number-card__value {
    font-size: clamp(36px, 8vw, 48px);
    flex-shrink: 0;
  }

  .info-numbers .number-card__label {
    margin-top: 0;
    font-size: 14px;
  }

  #contacts-section h2 {
    text-align: center;
  }

  .contacts-legal {
    align-items: center;
    text-align: center;
  }

  .contacts-legal__unp {
    flex-wrap: wrap;
    justify-content: center;
  }

  .site-footer__top {
    flex-direction: column;
    gap: 24px;
  }

  .site-footer__metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: center;
  }

  .site-footer__metrics strong {
    font-size: 22px;
  }

  /* ── Mobile nav item stagger ── */

  header nav ul li {
    opacity: 0;
    transform: translateY(-18px) scale(0.94);
    transition:
      opacity 0.32s ease,
      transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  header nav.active ul li {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  header nav.active ul li:nth-child(1) {
    transition-delay: 0.07s;
  }
  header nav.active ul li:nth-child(2) {
    transition-delay: 0.15s;
  }
  header nav.active ul li:nth-child(3) {
    transition-delay: 0.23s;
  }

  /* ── Enhanced scroll fade-in ── */

  .fade-in {
    transform: translateY(40px);
    transition:
      opacity 0.72s ease,
      transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
  }

  /* ── Number cards slide in with stagger ── */

  .info-numbers .number-card {
    transform: none;
    opacity: 0.55;
    transition:
      opacity 0.5s ease,
      box-shadow var(--transition),
      border-color var(--transition);
  }

  .fade-in.visible .info-numbers .number-card {
    opacity: 1;
  }

  .fade-in.visible .info-numbers .number-card:nth-child(2) {
    transition-delay: 0.13s;
  }
  .fade-in.visible .info-numbers .number-card:nth-child(3) {
    transition-delay: 0.26s;
  }

  .fade-in.visible .info-numbers .number-card:active {
    opacity: 0.85;
  }

  /* ── Service cards slide in with stagger ── */

  .services-container .service-card {
    transform: translateY(24px);
    transition:
      transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
      box-shadow var(--transition),
      border-color var(--transition);
  }

  .fade-in.visible .services-container .service-card {
    transform: translateY(0);
  }

  .fade-in.visible .services-container .service-card:nth-child(2) {
    transition-delay: 0.13s;
  }
  .fade-in.visible .services-container .service-card:nth-child(3) {
    transition-delay: 0.26s;
  }

  /* ── Touch :active states ── */

  .contact-link:active {
    opacity: 0.65;
    transform: translateX(6px);
    transition:
      opacity 0.1s ease,
      transform 0.12s ease,
      color var(--transition);
  }

  .hero-cta:active {
    transform: scale(0.96);
    transition-duration: 0.1s;
  }

  .header-btn button:active {
    transform: scale(0.95);
    opacity: 0.8;
    transition-duration: 0.1s;
  }

  .slider-btn:active {
    transform: scale(0.88);
    transition-duration: 0.1s;
  }

  .advantages-slider__dot:active {
    transform: scale(1.45);
    transition-duration: 0.12s;
  }
}

@media (max-width: 640px) {
  .start-section {
    min-height: clamp(480px, 88vh, 680px);
  }

  .main-info {
    padding: clamp(28px, 6vw, 48px) var(--section-padding)
      clamp(32px, 7vw, 56px);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 300px;
    gap: 12px;
  }

  .hero-cta {
    width: 100%;
    padding: 15px 24px;
  }

  .hero-link {
    text-align: center;
    padding-bottom: 4px;
  }

  .hero-scroll {
    display: none;
  }

  .service-card {
    padding: 20px;
    gap: 16px;
  }

  .service-card__media {
    max-height: 200px;
  }

  .service-card .service-img {
    min-height: 140px;
    max-height: 200px;
  }

  .map-container iframe {
    height: 220px;
    border-radius: var(--radius-md);
  }

  .contacts-list {
    gap: 16px;
    margin: 20px 0;
  }

  .contact-link {
    font-size: clamp(16px, 4.5vw, 20px);
    gap: 10px;
    white-space: normal;
  }

  .advantages-slide__body {
    padding: 16px 18px 20px;
  }

  /* ── CTA pulse glow ── */

  .hero-cta {
    animation: ctaPulse 2.8s ease-in-out infinite;
  }
}

@media (max-width: 480px) {
  header .header-btn button span {
    display: none;
  }

  header .header-btn button {
    padding: 12px 14px;
  }

  .hero-badge {
    font-size: 10px;
    padding: 6px 14px;
    letter-spacing: 0.09em;
  }

  .service-card .description img {
    width: 36px;
    height: 36px;
  }

  .section-header h2,
  #contacts-section h2 {
    font-size: clamp(26px, 7.5vw, 36px);
  }

  .service-card .description h3 {
    font-size: clamp(20px, 5.5vw, 28px);
  }

  .site-footer__metrics {
    gap: 12px;
  }

  .site-footer__metrics strong {
    font-size: 18px;
  }

  .site-footer__metrics span {
    font-size: 11px;
  }
}

/* ── Animations ── */

@keyframes ctaPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 230, 184, 0.42);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(0, 230, 184, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 230, 184, 0);
  }
}

/* ── Landscape / short viewport hero fix ── */

@media (max-height: 500px) {
  .start-section {
    min-height: auto;
    padding-top: 0;
    padding-bottom: 0;
  }

  main {
    margin-top: 0;
  }

  .main-info {
    padding-top: max(64px, 14vh);
    padding-bottom: max(20px, 4vh);
  }

  .hero-title__brand {
    font-size: clamp(32px, 8vh, 48px);
  }

  .hero-title__tagline {
    font-size: clamp(14px, 2.5vh, 18px);
  }

  .hero-lead {
    display: none;
  }

  .hero-badge {
    margin-bottom: 12px;
  }

  .hero-actions {
    flex-direction: row;
    flex-wrap: nowrap;
    margin-top: 16px;
    gap: 16px;
  }

  .hero-cta {
    padding: 12px 24px;
    font-size: 14px;
  }

  .hero-scroll {
    display: none;
  }

  /* Service cards: restore 2-column layout in landscape */

  .service-card {
    grid-template-columns: repeat(2, 1fr);
    padding: 20px;
    gap: 16px;
  }

  .service-card__media {
    grid-column: 2;
    grid-row: 1 / 3;
    min-height: 160px;
  }

  .service-card .service-img {
    min-height: 160px;
    max-height: 220px;
  }

  .service-card .description {
    grid-column: 1;
    grid-row: 1;
  }

  .service-card .description img {
    width: 32px;
    height: 32px;
    margin-bottom: 8px;
  }

  .service-card .description h3 {
    font-size: clamp(18px, 4vh, 24px);
    margin-bottom: 8px;
  }

  .service-card .description p {
    font-size: 13px;
    line-height: 1.55;
  }

  .service-card .list {
    grid-column: 1;
    grid-row: 2;
    margin-top: 8px;
    gap: 6px;
  }

  .service-card .list .list-item {
    padding: 6px 12px;
    font-size: 12px;
  }

  /* Advantages section: compact header + slim slider */

  .section-header {
    margin-bottom: 16px;
  }

  .section-header h2,
  #contacts-section h2 {
    font-size: clamp(22px, 5vh, 32px);
    margin-bottom: 8px;
  }

  .section-desc {
    display: none;
  }

  .section-label {
    margin-bottom: 6px;
  }

  .advantages-slide__media {
    aspect-ratio: unset;
    max-height: 160px;
  }

  .advantages-slide__media img {
    max-height: 160px;
    object-fit: cover;
  }

  .advantages-slide__body {
    padding: 12px 16px 14px;
  }

  .advantages-slide__body h3 {
    font-size: clamp(16px, 4vh, 20px);
    margin-bottom: 6px;
  }

  .advantages-slide__body p {
    font-size: 13px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .advantages-slider__controls {
    margin-top: 10px;
    gap: 12px;
  }
}

/* ── Body → Footer gradient transition ── */

#contacts-section {
  position: relative;
}

#contacts-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: clamp(100px, 12vw, 160px);
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(200, 216, 240, 0.45) 30%,
    rgba(138, 170, 216, 0.85) 62%,
    var(--brand-navy) 100%
  );
  pointer-events: none;
  z-index: -1;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-scroll__line {
    animation: none;
  }

  .service-card:hover,
  .advantages-slide.is-active .advantages-slide__media img {
    transform: none;
  }

  .advantages-slider__track {
    transition: none;
  }

  .hero-cta {
    animation: none;
  }

  .info-numbers .number-card,
  .services-container .service-card {
    transform: none;
    transition:
      box-shadow var(--transition),
      border-color var(--transition);
  }

  header nav ul li {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Inner service pages ── */

body.inner-page {
  background: #eef0f4;
}

.inner-page-hero {
  position: sticky;
  top: 0;
  z-index: 1;
  background-color: var(--color-bg);
  background-image: url("images/hero/bg-texture.webp"), var(--gradient-hero);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  padding: clamp(104px, 14vw, 128px) var(--section-padding)
    clamp(80px, 12vw, 120px);
}

.inner-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 90% 70% at 50% 20%,
    transparent 30%,
    rgba(12, 14, 43, 0.4) 100%
  );
  pointer-events: none;
}

.inner-page-hero .logo a {
  display: inline-block;
  line-height: 0;
}

.inner-page-hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(248, 248, 248, 0.65);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.inner-page-hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  color: var(--text-on-dark);
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: 18ch;
}

.inner-page-hero__lead {
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.65;
  color: rgba(248, 248, 248, 0.88);
  max-width: 52ch;
  margin: 0;
}

main.inner-page-main {
  position: relative;
  z-index: 200;
  margin-top: clamp(-72px, -9vw, -48px);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  isolation: isolate;
  background: #eef0f4;
  width: 100%;
  padding: clamp(40px, 6vw, 56px) var(--section-padding) clamp(48px, 8vw, 72px);
}

.inner-page-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 48px);
  background: #fff;
  border-radius: var(--radius-sm, 16px);
  border: 1px solid rgba(12, 14, 43, 0.08);
  box-shadow: var(--shadow-card);
  color: #1a1a2e;
}

.inner-page-content h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  margin: 36px 0 14px;
  color: #0c0e2b;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(0, 230, 184, 0.35);
  scroll-margin-top: 96px;
}

.inner-page-content h2:first-child {
  margin-top: 0;
}

.inner-page-content p {
  line-height: 1.75;
  margin-bottom: 16px;
  color: #3a3a52;
}

.inner-page-content code {
  font-size: 0.92em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(12, 14, 43, 0.06);
  color: #0c0e2b;
}

.inner-page-content a {
  color: var(--color-accent-dark, #0a9b7a);
  font-weight: 600;
  text-decoration: none;
}

.inner-page-content a:hover {
  text-decoration: underline;
}

.inner-page-list,
.inner-page-steps {
  margin: 16px 0 28px;
  padding-left: 1.35rem;
  line-height: 1.75;
  color: #3a3a52;
}

.inner-page-list li,
.inner-page-steps li {
  margin-bottom: 10px;
}

.inner-page-list li::marker {
  color: var(--color-accent);
}

.inner-page-steps li strong {
  color: #0c0e2b;
}

.inner-page-cta {
  margin-top: 40px;
  padding: clamp(24px, 4vw, 32px);
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    rgba(0, 230, 184, 0.08),
    rgba(59, 130, 246, 0.06)
  );
  border: 1px solid rgba(0, 230, 184, 0.25);
}

.inner-page-cta h2 {
  margin-top: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.inner-page-cta p {
  margin-bottom: 0;
}

.inner-page-cta__btn {
  display: inline-block;
  margin-top: 16px;
  text-decoration: none;
  text-align: center;
}

.legal-document__note {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(12, 14, 43, 0.1);
  font-size: 14px;
  color: #5a5a72;
}

@media (max-width: 768px) {
  .inner-page-hero h1 {
    max-width: none;
  }

  .inner-page-content {
    padding: 24px 20px;
  }
}