/* ============================================================
   ГУТМАН ГРУПП — CSS
   ============================================================ */

:root {
  --dark:    #0E1E30;
  --dark2:   #172840;
  --blue:    #3A7BBF;
  --blue-l:  #5B9AD8;
  --light:   #F5F7FA;
  --gray:    #E8ECF2;
  --text:    #2C3E50;
  --text-s:  #6B7C93;
  --white:   #ffffff;
  --accent:  #E8A000;
  --radius:  8px;
  --shadow:  0 4px 24px rgba(14,30,48,0.12);
  --shadow-l:0 8px 40px rgba(14,30,48,0.22);
  --trans:   0.25s ease;
  --font-h:  'Oswald', sans-serif;
  --font-b:  'PT Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-b);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section--dark { background: var(--dark); }
.section--gray { background: var(--light); }

.section__header {
  text-align: center;
  margin-bottom: 56px;
}
.section__header--light .section__title { color: var(--white); }
.section__header--light .section__sub { color: rgba(255,255,255,0.65); }

.section__title {
  font-family: var(--font-h);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--dark);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section__sub {
  font-size: 17px;
  color: var(--text-s);
  max-width: 520px;
  margin: 0 auto;
}

.section__more {
  text-align: center;
  margin-top: 48px;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-h);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--trans);
  white-space: nowrap;
}

.btn--primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn--primary:hover {
  background: var(--blue-l);
  border-color: var(--blue-l);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(58,123,191,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn--outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
}

.btn--secondary {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn--secondary:hover {
  background: var(--blue);
  color: var(--white);
}

.btn--ghost {
  background: transparent;
  color: var(--text-s);
  border-color: var(--gray);
}
.btn--ghost:hover {
  background: var(--gray);
  color: var(--text);
}

.btn--full { width: 100%; justify-content: center; }

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   HEADER
   ============================================================ */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: box-shadow var(--trans);
}

.header.scrolled {
  background: rgba(14,30,48,0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.35);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

/* LOGO */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo__icon {
  width: 40px;
  height: 40px;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-h);
  font-size: 22px;
  font-weight: 700;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -1px;
}

.logo__icon-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
  filter: invert(1);
}

.logo__text {
  display: flex;
  flex-direction: column;
}

.logo__name {
  font-family: var(--font-h);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--white);
  line-height: 1;
}

.logo__tagline {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}

.nav__link {
  font-family: var(--font-h);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  padding: 8px 12px;
  border-radius: 4px;
  transition: all var(--trans);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav__link--contact {
  color: var(--blue-l);
  border: 1px solid rgba(91,154,216,0.4);
}
.nav__link--contact:hover {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

/* BURGER */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--trans);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.35) saturate(0.8);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,30,48,0.85) 40%, rgba(58,123,191,0.15) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero__label {
  font-family: var(--font-h);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-l);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero__label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--blue);
}

.hero__title {
  font-family: var(--font-h);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 19px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  line-height: 1.5;
}

.hero__btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 20px;
  font-family: var(--font-h);
  letter-spacing: 0.04em;
}

/* ============================================================
   SERVICES
   ============================================================ */

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--gray);
  border-radius: 12px;
  padding: 32px;
  gap: 20px;
  transition: all var(--trans);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans);
}

.service-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-l);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(58,123,191,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--blue);
}

.service-card__body { flex: 1; }

.service-card__title {
  font-family: var(--font-h);
  font-size: 20px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.service-card__text {
  font-size: 15px;
  color: var(--text-s);
  line-height: 1.55;
  margin-bottom: 16px;
}

.service-card__badge {
  display: inline-block;
  background: rgba(58,123,191,0.1);
  color: var(--blue);
  font-family: var(--font-h);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}

.service-card__arrow {
  font-size: 20px;
  color: var(--blue);
  transition: transform var(--trans);
  align-self: flex-end;
}
.service-card:hover .service-card__arrow { transform: translateX(4px); }

/* ============================================================
   PROCESS
   ============================================================ */

.process__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 8px;
}

.process__step {
  flex: 1;
  min-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
}

.process__num {
  font-family: var(--font-h);
  font-size: 48px;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 12px;
  opacity: 0.9;
}

.process__title {
  font-family: var(--font-h);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.process__text {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.45;
}

.process__arrow {
  font-size: 24px;
  color: rgba(255,255,255,0.25);
  padding-top: 48px;
  flex-shrink: 0;
}

/* ============================================================
   STATS
   ============================================================ */

.stats { background: var(--dark); padding: 64px 0; }

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
}

.stat {
  background: var(--dark);
  padding: 40px 24px;
  text-align: center;
}

.stat__num {
  font-family: var(--font-h);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  color: var(--blue-l);
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 0 48px rgba(91,154,216,0.55);
}

.stat__label {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.4;
}

/* ============================================================
   CASES
   ============================================================ */

.cases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.case-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--trans);
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-l);
}

.case-card__photo {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.case-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.case-card:hover .case-card__photo img { transform: scale(1.04); }

.case-card__tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-h);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 4px;
}

.case-card__body { padding: 24px; }

.case-card__type {
  font-size: 12px;
  color: var(--text-s);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.case-card__title {
  font-family: var(--font-h);
  font-size: 20px;
  font-weight: 600;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.case-card__metrics {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--light);
  border-radius: 8px;
}

.metric { flex: 1; min-width: 80px; }

.metric__val {
  display: block;
  font-family: var(--font-h);
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1;
  margin-bottom: 2px;
}

.metric--accent .metric__val { color: var(--accent); }

.metric__label {
  font-size: 11px;
  color: var(--text-s);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.case-card__text {
  font-size: 14px;
  color: var(--text-s);
  line-height: 1.55;
  margin-bottom: 12px;
}

.case-card__year {
  font-family: var(--font-h);
  font-size: 12px;
  color: var(--text-s);
  letter-spacing: 0.06em;
}

/* --- Inline cases (inside tabs) --- */
.cases-inline {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.case-inline {
  background: var(--light);
  border-radius: var(--radius);
  padding: 16px 20px;
  border-left: 3px solid var(--blue);
}
.case-inline__title {
  font-family: var(--font-h);
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
  color: var(--dark);
}
.case-inline p {
  color: var(--text-s);
  font-size: 15px;
  line-height: 1.5;
  margin: 0;
}

/* ============================================================
   CALCULATOR
   ============================================================ */

.calc {
  max-width: 800px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow-l);
  overflow: hidden;
}

.calc__progress {
  display: flex;
  align-items: center;
  padding: 24px 40px;
  background: var(--dark);
  gap: 0;
}

.calc__step-indicator {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-h);
  font-size: 15px;
  font-weight: 700;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.4);
  border: 2px solid rgba(255,255,255,0.15);
  transition: all var(--trans);
  flex-shrink: 0;
}

.calc__step-indicator.active {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.calc__step-indicator.done {
  background: rgba(58,123,191,0.3);
  color: var(--blue-l);
  border-color: var(--blue);
}

.calc__step-line {
  flex: 1;
  height: 2px;
  background: rgba(255,255,255,0.1);
  transition: background var(--trans);
}

.calc__step-line.done { background: var(--blue); }

.calc__pane {
  display: none;
  padding: 40px;
}
.calc__pane.active { display: block; }

.calc__pane-title {
  font-family: var(--font-h);
  font-size: 22px;
  font-weight: 600;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.calc__options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.calc__option input { position: absolute; opacity: 0; pointer-events: none; }

.calc__option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px 12px;
  border: 2px solid var(--gray);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--trans);
  text-align: center;
  min-height: 90px;
}

.calc__option-card svg {
  width: 32px;
  height: 32px;
  stroke: var(--text-s);
  transition: stroke var(--trans);
}

.calc__option-card span {
  font-size: 13px;
  color: var(--text);
  line-height: 1.3;
  font-weight: 500;
}

.calc__option:hover .calc__option-card,
.calc__option input:checked + .calc__option-card {
  border-color: var(--blue);
  background: rgba(58,123,191,0.06);
}

.calc__option input:checked + .calc__option-card svg { stroke: var(--blue); }
.calc__option input:checked + .calc__option-card span { color: var(--blue); font-weight: 700; }

/* Checkboxes */
.calc__checks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 32px;
}

.calc__check input { position: absolute; opacity: 0; pointer-events: none; }

.calc__check-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: 2px solid var(--gray);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
  transition: all var(--trans);
}

.calc__check-card::before {
  content: '';
  width: 18px;
  height: 18px;
  border: 2px solid var(--gray);
  border-radius: 4px;
  flex-shrink: 0;
  transition: all var(--trans);
  background: var(--white);
}

.calc__check:hover .calc__check-card { border-color: var(--blue); }

.calc__check input:checked + .calc__check-card {
  border-color: var(--blue);
  background: rgba(58,123,191,0.06);
  color: var(--dark);
  font-weight: 600;
}

.calc__check input:checked + .calc__check-card::before {
  background: var(--blue);
  border-color: var(--blue);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 8l4 4 8-8' stroke='white' stroke-width='2.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}

.calc__check-card--special { border-style: dashed; }

.calc__nav {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Result */
.calc__result {
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  color: var(--white);
  padding: 24px 28px;
  border-radius: 10px;
  margin-bottom: 32px;
  font-family: var(--font-h);
  font-size: 15px;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.calc__result .result-range {
  font-size: 28px;
  font-weight: 700;
  color: var(--blue-l);
  margin-bottom: 4px;
}

.calc__success {
  text-align: center;
  padding: 40px;
}

.calc__success-icon {
  width: 64px;
  height: 64px;
  background: #28a745;
  color: white;
  border-radius: 50%;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.calc__success h3 {
  font-family: var(--font-h);
  font-size: 22px;
  color: var(--dark);
  margin-bottom: 8px;
  text-transform: uppercase;
}

/* ============================================================
   GEOGRAPHY
   ============================================================ */

.geo__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.geo__points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.geo__point {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
}

.geo__point svg { color: var(--blue-l); flex-shrink: 0; }
.geo__point strong { color: var(--white); }

/* ============================================================
   SEGMENTS
   ============================================================ */

.segments__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.segment {
  padding: 32px 24px;
  border: 1px solid var(--gray);
  border-radius: 12px;
  text-align: center;
  transition: all var(--trans);
}

.segment:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.segment__icon {
  width: 56px;
  height: 56px;
  background: rgba(58,123,191,0.08);
  border-radius: 12px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.segment__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--blue);
}

.segment__title {
  font-family: var(--font-h);
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.segment__text {
  font-size: 14px;
  color: var(--text-s);
  line-height: 1.55;
}

/* ============================================================
   WHY
   ============================================================ */

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-item {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--white);
  border-radius: 10px;
  border: 1px solid var(--gray);
  transition: all var(--trans);
}

.why-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--blue);
}

.why-item__num {
  font-family: var(--font-h);
  font-size: 40px;
  font-weight: 700;
  color: var(--gray);
  line-height: 1;
  flex-shrink: 0;
  transition: color var(--trans);
}

.why-item:hover .why-item__num { color: var(--blue); opacity: 0.4; }

.why-item__title {
  font-family: var(--font-h);
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.why-item__text {
  font-size: 14px;
  color: var(--text-s);
  line-height: 1.55;
}

/* ============================================================
   CTA FORM
   ============================================================ */

.cta-form__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.cta-form__contacts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.cta-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--blue-l);
  font-size: 17px;
  font-family: var(--font-h);
  letter-spacing: 0.04em;
  transition: color var(--trans);
}

.cta-contact svg { stroke: var(--blue-l); flex-shrink: 0; }
.cta-contact:hover { color: var(--white); }

/* ============================================================
   FORM
   ============================================================ */

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form__field { margin-bottom: 16px; }

.form__label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.form__input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray);
  border-radius: var(--radius);
  font-family: var(--font-b);
  font-size: 15px;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--trans);
  outline: none;
  appearance: none;
}

.form__input:focus { border-color: var(--blue); }
.form__input::placeholder { color: #aab4c0; }

.form__input--dark {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.15);
  color: var(--white);
  margin-bottom: 0;
}

.form__input--dark::placeholder { color: rgba(255,255,255,0.35); }
.form__input--dark:focus { border-color: var(--blue-l); }
.form__input--dark option { background: var(--dark); }

textarea.form__input { resize: vertical; }

.form__consent {
  font-size: 12px;
  color: var(--text-s);
  margin-top: 12px;
  line-height: 1.45;
}
.form__consent a { color: var(--blue); }
.form__consent--light { color: rgba(255,255,255,0.35); }
.form__consent--light a { color: var(--blue-l); }

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: #131e2b;
  padding: 64px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer__desc {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  margin-top: 16px;
  line-height: 1.7;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__heading {
  font-family: var(--font-h);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
}

.footer__col a,
.footer__col p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
  transition: color var(--trans);
}

.footer__col a:hover { color: var(--white); }

.footer__bottom {
  padding: 20px 0;
  text-align: center;
}

.footer__bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ============================================================
   SERVICE PAGE (reused on inner pages)
   ============================================================ */

.page-hero {
  background: var(--dark);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.3) saturate(0.7);
}

.page-hero__label {
  font-family: var(--font-h);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-l);
  margin-bottom: 16px;
}

.page-hero__title {
  font-family: var(--font-h);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.page-hero__sub {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  max-width: 620px;
  line-height: 1.55;
  margin-bottom: 32px;
}

.page-hero__badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* TABS */
.tabs__nav {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--gray);
  margin-bottom: 40px;
  overflow-x: auto;
}

.tabs__btn {
  font-family: var(--font-h);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-s);
  padding: 12px 20px;
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all var(--trans);
}

.tabs__btn.active,
.tabs__btn:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.tabs__pane {
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.tabs__pane.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* SERVICE CONTENT GRID */
.service-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.service-content__photo {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-l);
}

.service-content__photo img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.content-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.content-list li {
  display: flex;
  gap: 10px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.45;
}

.content-list li::before {
  content: '→';
  color: var(--blue);
  flex-shrink: 0;
  font-weight: 700;
}

/* PORTFOLIO PAGE */
.portfolio-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  justify-content: center;
}

.filter-btn {
  font-family: var(--font-h);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 9px 20px;
  border-radius: 20px;
  border: 2px solid var(--gray);
  background: var(--white);
  color: var(--text-s);
  cursor: pointer;
  transition: all var(--trans);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.portfolio-item {
  transition: opacity var(--trans), transform var(--trans);
}

.portfolio-item.hidden {
  display: none;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p {
  font-size: 16px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 16px;
}

.licenses {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.license-item {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  background: var(--light);
  border-radius: 8px;
  border-left: 3px solid var(--blue);
}

.license-item__icon {
  font-size: 28px;
  flex-shrink: 0;
}

.license-item__text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.4;
}

.license-item__title {
  font-family: var(--font-h);
  font-weight: 600;
  color: var(--dark);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: block;
  margin-bottom: 2px;
}

/* CONTACTS PAGE */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item__icon {
  width: 44px;
  height: 44px;
  background: rgba(58,123,191,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item__icon svg { width: 20px; height: 20px; stroke: var(--blue); }

.contact-item__label {
  font-family: var(--font-h);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-s);
  margin-bottom: 4px;
}

.contact-item__val {
  font-size: 16px;
  color: var(--dark);
  font-weight: 600;
  line-height: 1.4;
}

.contact-item__val a { color: var(--blue); }
.contact-item__val a:hover { text-decoration: underline; }

/* MAP */
.map-container {
  border-radius: 12px;
  overflow: hidden;
  height: 380px;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-s);
  flex-direction: column;
  gap: 12px;
  border: 2px solid var(--gray);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  margin-bottom: 24px;
}

.breadcrumb a { color: rgba(255,255,255,0.45); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.7); }
.breadcrumb .sep { opacity: 0.4; }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .segments__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .geo__inner { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contacts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }

  .nav {
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 2px;
    transform: translateY(-110%);
    transition: transform var(--trans);
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .nav.open { transform: translateY(0); }
  .nav__link { font-size: 15px; padding: 10px 0; width: 100%; }

  .burger { display: flex; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .cases__grid { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .segments__grid { grid-template-columns: 1fr 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .cta-form__inner { grid-template-columns: 1fr; gap: 40px; }
  .service-content { grid-template-columns: 1fr; }

  .hero__btns { flex-direction: column; align-items: flex-start; }

  .process__steps { flex-direction: column; align-items: flex-start; }
  .process__arrow { display: none; }
  .process__step { flex-direction: row; text-align: left; gap: 20px; }
  .process__num { font-size: 32px; min-width: 48px; }

  .calc__pane { padding: 24px; }
  .calc__progress { padding: 20px 24px; }
  .calc__options { grid-template-columns: repeat(2, 1fr); }
  .calc__checks { grid-template-columns: 1fr; }

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

@media (max-width: 480px) {
  .hero__title { font-size: 36px; }
  .hero__badges { flex-direction: column; align-items: flex-start; }
  .segments__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .why-item { flex-direction: column; gap: 8px; }
  .why-item__num { font-size: 28px; }
  .calc__options { grid-template-columns: 1fr; }
}

/* ============================================================
   REVIEWS
   ============================================================ */

.reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--gray);
  border-left: 3px solid transparent;
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: box-shadow var(--trans), transform var(--trans), border-color var(--trans);
}

.review-card:hover {
  box-shadow: var(--shadow-l);
  transform: translateY(-3px);
}

.review-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-h);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.review-card__name {
  font-weight: 700;
  font-size: 15px;
  color: var(--dark);
}

.review-card__source {
  font-size: 13px;
  color: var(--text-s);
  margin-top: 2px;
}

.review-card__stars {
  margin-left: auto;
  color: var(--accent);
  font-size: 16px;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.review-card__text {
  font-size: 15px;
  color: var(--text);
  line-height: 1.65;
  flex: 1;
}

@media (max-width: 1024px) {
  .reviews__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .reviews__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   PREMIUM ENHANCEMENTS
   ============================================================ */

/* --- Scroll progress bar --- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--blue) 0%, var(--accent) 100%);
  z-index: 1002;
  pointer-events: none;
  transition: width 80ms linear;
  border-radius: 0 2px 2px 0;
}

/* --- Hero Ken Burns --- */
@keyframes kenBurns {
  from { transform: scale(1.0); }
  to   { transform: scale(1.08); }
}
.hero__img {
  animation: kenBurns 22s ease-out forwards;
  will-change: transform;
}

/* --- Hero staggered entrance --- */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero__label  { animation: heroFadeUp 0.8s cubic-bezier(.22,1,.36,1) both; animation-delay: 0.1s; }
.hero__title  { animation: heroFadeUp 0.8s cubic-bezier(.22,1,.36,1) both; animation-delay: 0.28s; }
.hero__sub    { animation: heroFadeUp 0.8s cubic-bezier(.22,1,.36,1) both; animation-delay: 0.46s; }
.hero__btns   { animation: heroFadeUp 0.8s cubic-bezier(.22,1,.36,1) both; animation-delay: 0.62s; }
.hero__badges { animation: heroFadeUp 0.8s cubic-bezier(.22,1,.36,1) both; animation-delay: 0.78s; }

@media (prefers-reduced-motion: reduce) {
  .hero__img, .hero__label, .hero__title, .hero__sub, .hero__btns, .hero__badges {
    animation: none;
  }
}

/* --- Section title accent line --- */
.section__header .section__title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-l));
  border-radius: 2px;
  margin: 14px auto 0;
}
.section__header--light .section__title::after {
  background: linear-gradient(90deg, var(--blue-l), rgba(91,154,216,0.3));
}

/* --- Dark sections: subtle dot grid --- */
.section--dark,
.stats {
  position: relative;
  overflow: hidden;
}
.section--dark::before,
.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}
.section--dark > *,
.stats > * {
  position: relative;
  z-index: 1;
}

/* --- Service card shine on hover --- */
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(255,255,255,0.07) 50%,
    transparent 80%
  );
  transform: translateX(-120%);
  transition: transform 0.55s ease;
  pointer-events: none;
}
.service-card:hover::after {
  transform: translateX(120%);
}

/* --- Review card left accent on hover --- */
.review-card:hover {
  border-left-color: var(--blue);
}

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */

.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #229ED9;
  color: #fff;
  border-radius: 50px;
  padding: 14px 20px 14px 16px;
  box-shadow: 0 4px 20px rgba(34,158,217,0.45);
  text-decoration: none;
  font-family: var(--font-b);
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.wa-float:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 32px rgba(34,158,217,0.55);
  color: #fff;
}

.wa-float svg {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
}

@media (max-width: 768px) {
  .wa-float {
    bottom: 20px;
    right: 16px;
    padding: 12px 16px 12px 14px;
    font-size: 14px;
  }
  .wa-float svg { width: 22px; height: 22px; }
}