:root {
  --blue-900: #0d3b66;
  --blue-700: #1a5f9e;
  --blue-500: #2b7fd4;
  --blue-100: #e8f2fc;
  --orange: #f57c00;
  --orange-dark: #e65100;
  --gray-900: #1a1a1a;
  --gray-600: #5c5c5c;
  --gray-200: #e8e8e8;
  --white: #fff;
  --shadow: 0 8px 32px rgba(13, 59, 102, 0.12);
  --radius: 12px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--gray-900);
  line-height: 1.5;
  background: var(--white);
}

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

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

.container {
  width: min(1140px, 100% - 32px);
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
  box-shadow: 0 4px 16px rgba(245, 124, 0, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(245, 124, 0, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--blue-500);
  color: var(--blue-700);
}

.section {
  padding: 64px 0;
}

.section-title {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  color: var(--blue-900);
}

.section-subtitle {
  margin: 0 auto 40px;
  max-width: 560px;
  text-align: center;
  color: var(--gray-600);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.15;
  color: var(--blue-900);
}

.logo__brand {
  font-weight: 800;
  font-size: 1.1rem;
}

.logo__brand span {
  color: var(--blue-500);
}

.logo__city {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--gray-600);
  letter-spacing: 0.01em;
}

.header__phone {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--blue-700);
  white-space: nowrap;
}

.header__phone small {
  display: block;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--gray-600);
}

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--blue-100) 0%, #fff 55%);
  padding: 48px 0 72px;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero__badge {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 16px;
  background: var(--white);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue-700);
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  color: var(--blue-900);
}

.hero__list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.hero__list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  font-weight: 500;
}

.hero__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue-500);
  font-weight: 700;
}

.hero__visual {
  position: relative;
  min-height: 320px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(13, 59, 102, 0.22);
  background: var(--blue-900);
}

.hero__visual-img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  object-position: 55% 35%;
  display: block;
  transition: transform 0.5s ease;
}

.hero__visual:hover .hero__visual-img {
  transform: scale(1.03);
}

.hero__visual-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 28px 28px;
  background: linear-gradient(
    180deg,
    rgba(13, 59, 102, 0.05) 0%,
    rgba(13, 59, 102, 0.35) 45%,
    rgba(13, 59, 102, 0.92) 100%
  );
  color: var(--white);
  pointer-events: none;
}

.hero__visual-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 12px;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 14px rgba(245, 124, 0, 0.45);
}

.hero__visual-title {
  margin: 0;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 700;
  line-height: 1.25;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.hero__visual-note {
  margin: 8px 0 0;
  font-size: 0.88rem;
  line-height: 1.4;
  opacity: 0.92;
}

@media (min-width: 900px) {
  .hero__visual {
    min-height: 400px;
  }

  .hero__visual-img {
    min-height: 400px;
  }
}

/* Problems */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 640px) {
  .problems__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}

@media (min-width: 992px) {
  .problems__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

.problem-card {
  padding: 22px 14px 18px;
  background: var(--white);
  border: 1px solid #e8ecf1;
  border-radius: 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.problem-card:hover {
  border-color: #c5daf5;
  box-shadow: 0 8px 24px rgba(30, 90, 160, 0.1);
  transform: translateY(-2px);
}

.problem-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ebf3ff;
  border-radius: 12px;
  transition: background 0.15s, transform 0.15s;
}

.problem-card:hover .problem-card__icon {
  background: #dce9fc;
  transform: scale(1.04);
}

.problem-card__icon svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: block;
}

.problem-card h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.problem-card .price {
  margin: 0;
  font-weight: 700;
  color: var(--blue-700);
  font-size: 0.9rem;
}

/* Features — как delta-rem */
.features {
  background: var(--white);
  padding-top: 56px;
  padding-bottom: 56px;
}

.features__title {
  text-align: left;
  margin-bottom: 36px;
  font-size: clamp(1.6rem, 3.2vw, 2.1rem);
  font-weight: 700;
  color: var(--gray-900);
}

.features__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 920px;
}

.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid #eceff3;
}

.feature-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.feature-row:first-child {
  padding-top: 0;
}

.feature-row__icon {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  color: var(--orange);
}

.feature-row__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.feature-row__body h3 {
  margin: 0 0 12px;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--gray-900);
}

.feature-row__body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--gray-600);
  max-width: 720px;
}

@media (max-width: 560px) {
  .feature-row {
    gap: 18px;
    padding: 22px 0;
  }

  .feature-row__icon {
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
  }
}

/* Prices */
.prices-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.prices-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.prices-table th,
.prices-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.prices-table th {
  background: var(--blue-900);
  color: var(--white);
  font-weight: 600;
}

.prices-table tr:last-child td {
  border-bottom: none;
}

.prices-table .price-cell {
  font-weight: 700;
  color: var(--blue-700);
  white-space: nowrap;
}

.prices-table .btn {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Promo */
.promo {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
  color: var(--white);
}

.promo__inner {
  display: grid;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .promo__inner {
    grid-template-columns: 1fr 1fr;
  }
}

.promo h2 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
}

.promo p {
  margin: 0;
  opacity: 0.9;
}

.promo .lead-form {
  background: var(--white);
  color: var(--gray-900);
  padding: 28px;
  border-radius: var(--radius);
}

/* Steps */
.steps__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.step {
  text-align: center;
  padding: 24px 16px;
}

.step__num {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 800;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* Masters */
.masters__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 960px) {
  .masters__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .masters__grid {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin-inline: auto;
  }
}

.master-card {
  text-align: center;
  padding: 28px 20px 24px;
  background: var(--blue-100);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(13, 59, 102, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.master-card__avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--white);
  border: 4px solid var(--white);
  box-shadow: 0 6px 20px rgba(13, 59, 102, 0.14);
}

.master-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.master-card:nth-child(2) .master-card__avatar img {
  object-position: center center;
}

.master-card h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--blue-900);
}

.master-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* Reviews */
.reviews__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.review {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.review__stars {
  color: #ffc107;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review p {
  margin: 0 0 16px;
  font-size: 0.95rem;
  color: var(--gray-600);
}

.review__author {
  font-weight: 700;
}

.review__tag {
  font-size: 0.8rem;
  color: var(--blue-500);
}

/* Contacts */
.contacts {
  background: var(--gray-900);
  color: var(--white);
}

.contacts__grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 768px) {
  .contacts__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contacts h2 {
  margin: 0 0 16px;
}

.contacts a {
  color: #7ec8ff;
}

.contacts p {
  margin: 0 0 8px;
  opacity: 0.85;
}

.footer {
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.6;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__links {
  margin: 10px 0 0;
}

.footer__links a {
  color: #7ec8ff;
  text-decoration: underline;
  opacity: 1;
}

.footer__links a:hover {
  color: #fff;
}

/* Map block */
.map-block {
  background: #e8e8e8;
}

.map-block__head {
  padding: 36px 16px 20px;
  text-align: center;
}

.map-block__head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--blue-900);
}

.map-block__head p {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.95rem;
}

.map-block__frame {
  width: 100%;
  height: clamp(280px, 45vw, 460px);
  background: #d9d9d9;
}

.map-block__frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.map-block__footer {
  padding: 20px 16px 28px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-600);
  background: #d9d9d9;
}

.map-block__footer p {
  margin: 0 0 8px;
}

.map-block__footer .footer__links {
  margin: 0;
}

.map-block__footer .footer__links a {
  color: var(--blue-700);
  text-decoration: underline;
}

.map-block__footer .footer__links a:hover {
  color: var(--blue-900);
}

/* Policy page */
.policy-page {
  padding: 40px 0 64px;
  background: var(--white);
}

.policy-content {
  max-width: 820px;
  margin: 0 auto;
  color: var(--gray-900);
}

.policy-content h1 {
  margin: 0 0 24px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.25;
  color: var(--blue-900);
}

.policy-content h2 {
  margin: 32px 0 12px;
  font-size: 1.15rem;
  color: var(--blue-700);
}

.policy-content p,
.policy-content li {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--gray-600);
}

.policy-content ul {
  margin: 0 0 16px;
  padding-left: 1.25rem;
}

.policy-content a {
  color: var(--blue-500);
}

.policy-table {
  width: 100%;
  margin: 16px 0;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.policy-table th,
.policy-table td {
  padding: 12px;
  border: 1px solid var(--gray-200);
  text-align: left;
  vertical-align: top;
}

.policy-table th {
  background: var(--blue-100);
  color: var(--blue-900);
  font-weight: 600;
}

.policy-back {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

.site-footer {
  padding: 24px 0;
  background: var(--gray-900);
  color: var(--white);
  font-size: 0.85rem;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.site-footer a {
  color: #7ec8ff;
}

.site-footer p {
  margin: 0;
  opacity: 0.85;
}

/* Forms */
.lead-form label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  font-weight: 600;
}

.lead-form input[type='tel'],
.lead-form input[type='text'] {
  width: 100%;
  padding: 14px 16px;
  margin-bottom: 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font: inherit;
}

.lead-form input:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(43, 127, 212, 0.15);
}

.lead-form .checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 0.8rem;
  color: var(--gray-600);
}

.lead-form .checkbox input {
  margin-top: 3px;
  flex-shrink: 0;
}

.lead-form .checkbox a {
  color: var(--blue-500);
  text-decoration: underline;
}

.promo .lead-form .checkbox a {
  color: var(--blue-700);
}

.lead-form .btn {
  width: 100%;
}

.form-message {
  margin-top: 12px;
  padding: 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

.form-message.is-visible {
  display: block;
}

.form-message--success {
  background: #e8f5e9;
  color: #2e7d32;
}

.form-message--error {
  background: #ffebee;
  color: #c62828;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  width: min(440px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
}

.modal h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  color: var(--blue-900);
}

.modal__subtitle {
  margin: 0 0 24px;
  color: var(--gray-600);
  font-size: 0.9rem;
}

.modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--gray-200);
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

.modal__close:hover {
  background: #ddd;
}