:root {
  --ink: #111821;
  --charcoal: #17212c;
  --muted: #64717f;
  --line: #dce3ea;
  --paper: #f7f9fb;
  --white: #ffffff;
  --red: #d82f2a;
  --red-dark: #a91f1b;
  --gold: #f2bd3d;
  --blue: #185f96;
  --shadow: 0 28px 80px rgba(17, 24, 33, 0.22);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(var(--max), calc(100% - 48px));
  min-height: 76px;
  margin: 18px auto 0;
  padding: 10px 12px 10px 18px;
  background: rgba(17, 24, 33, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.brand {
  flex: 0 0 auto;
  width: 174px;
  text-decoration: none;
}

.brand img {
  width: 174px;
  height: 66px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
  font-weight: 750;
}

.nav a,
.header-call,
.button,
.service-card a,
.contact-card a,
.site-footer a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--gold);
}

.header-call {
  flex: 0 0 auto;
  padding: 13px 18px;
  color: #fff;
  background: var(--red);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 850;
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  background: var(--ink);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 12, 17, 0.98) 0%, rgba(8, 12, 17, 0.86) 36%, rgba(8, 12, 17, 0.28) 67%, rgba(8, 12, 17, 0.05) 100%),
    linear-gradient(0deg, rgba(8, 12, 17, 0.58), rgba(8, 12, 17, 0.04) 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) 320px;
  gap: 40px;
  align-items: end;
  width: min(var(--max), calc(100% - 48px));
  min-height: 820px;
  margin: 0 auto;
  padding: 172px 0 86px;
}

.hero-panel {
  max-width: 705px;
  color: #fff;
}

.service-line,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(48px, 6.5vw, 88px);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 650px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 850;
}

.button-primary {
  color: #fff;
  background: var(--red);
  box-shadow: 0 18px 38px rgba(216, 47, 42, 0.28);
}

.button-primary:hover {
  background: var(--red-dark);
}

.button-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
}

.button-ghost:hover {
  border-color: var(--gold);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-proof span {
  padding: 9px 12px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
}

.hero-card {
  padding: 26px;
  color: #fff;
  background: rgba(17, 24, 33, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-top: 5px solid var(--gold);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-card strong {
  display: block;
  font-size: 21px;
  line-height: 1.1;
}

.hero-card ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
}

.hero-card li {
  position: relative;
  padding-left: 20px;
}

.hero-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
}

.benefit-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(var(--max), calc(100% - 48px));
  margin: -46px auto 0;
  position: relative;
  z-index: 4;
  overflow: hidden;
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.benefit-band div {
  min-height: 166px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.benefit-band div:last-child {
  border-right: 0;
}

.benefit-band span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.benefit-band strong {
  display: block;
  font-size: 21px;
  line-height: 1.15;
}

.benefit-band p {
  margin: 9px 0 0;
  color: var(--muted);
}

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 108px 0;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.72fr);
  gap: 58px;
  align-items: end;
  margin-bottom: 42px;
}

.split-heading h2,
.proof-copy h2,
.guarantee h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1;
  letter-spacing: 0;
}

.split-heading p,
.proof-copy p,
.guarantee p,
.contact-section p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.service-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr 1fr;
  gap: 14px;
}

.service-card {
  min-height: 310px;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-card h3 {
  margin: 0;
  font-size: 25px;
  line-height: 1.08;
}

.service-card p {
  margin: 18px 0 0;
  color: var(--muted);
}

.service-card a {
  display: inline-flex;
  margin-top: 28px;
  color: #fff;
  font-weight: 850;
}

.primary-card {
  color: #fff;
  background: linear-gradient(150deg, var(--red), #861a17);
  border-color: transparent;
}

.primary-card p {
  color: rgba(255, 255, 255, 0.82);
}

.proof-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 56px;
  align-items: center;
  padding: 104px max(24px, calc((100vw - var(--max)) / 2));
  background: var(--charcoal);
  color: #fff;
}

.proof-copy p {
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.72);
}

.signal-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.signal-list li {
  padding: 15px 16px;
  background: rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--gold);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
}

.proof-media {
  padding: 16px;
  background: #070b10;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.proof-media img {
  width: 100%;
  border-radius: 6px;
}

.video-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(460px, 1fr);
  gap: 54px;
  align-items: center;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 104px 0;
}

.video-copy h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1;
  letter-spacing: 0;
}

.video-copy p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #070b10;
  border: 10px solid #070b10;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.guarantee {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.72fr);
  gap: 60px;
  align-items: center;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 96px 0;
  border-bottom: 1px solid var(--line);
}

.guarantee p {
  padding: 28px;
  background: #fff8e6;
  border: 1px solid #f0d890;
  border-radius: 8px;
  color: #5e4b19;
  font-weight: 750;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.72fr);
  gap: 54px;
  align-items: start;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 104px 0;
}

.contact-section p {
  max-width: 680px;
  margin-top: 22px;
}

.contact-card {
  display: grid;
  gap: 12px;
  max-width: 430px;
  margin-top: 30px;
  padding: 30px;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-card .phone {
  color: var(--gold);
  font-size: 30px;
  line-height: 1.1;
  font-weight: 950;
}

.contact-card a:not(.phone) {
  color: #fff;
  font-size: 18px;
  font-weight: 750;
}

.contact-card span {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 30px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 22px 60px rgba(17, 24, 33, 0.12);
}

.contact-form h3 {
  margin: 0 0 4px;
  font-size: 30px;
  line-height: 1.05;
}

.contact-form label {
  display: grid;
  gap: 7px;
}

.contact-form label span {
  color: #2c3844;
  font-size: 13px;
  font-weight: 850;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #c9d3dd;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  padding: 13px 14px;
  outline: none;
}

.contact-form textarea {
  resize: vertical;
  min-height: 132px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(24, 95, 150, 0.13);
}

.contact-form .button {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.form-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.form-status-success {
  color: #15512f;
  background: #def5e8;
  border: 1px solid #a7dfbd;
}

.form-status-error {
  color: #7c1f1c;
  background: #fde4e2;
  border: 1px solid #f2b1ad;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer a {
  color: var(--ink);
  font-weight: 850;
}

@media (max-width: 980px) {
  .site-header {
    position: sticky;
    width: 100%;
    margin: 0;
    border-radius: 0;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .hero-content {
    min-height: auto;
  }

  .hero-bg {
    position: relative;
    height: 390px;
    object-position: 60% center;
  }

  .hero-shade {
    display: none;
  }

  .hero-content {
    display: block;
    width: 100%;
    padding: 0;
    background: var(--ink);
  }

  .hero-panel,
  .hero-card {
    max-width: none;
    width: min(var(--max), calc(100% - 32px));
    margin: 0 auto;
  }

  .hero-panel {
    padding: 42px 0 32px;
  }

  .hero-card {
    margin-bottom: 34px;
  }

  .benefit-band,
  .split-heading,
  .service-grid,
  .proof-section,
  .video-section,
  .guarantee,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .benefit-band {
    margin-top: 0;
  }

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

  .proof-section {
    padding: 76px 24px;
  }

  .video-section {
    width: min(var(--max), calc(100% - 32px));
    padding: 76px 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 10px 16px 12px;
  }

  .brand,
  .brand img {
    width: 148px;
  }

  .brand img {
    height: 56px;
  }

  .header-call {
    width: 100%;
    text-align: center;
  }

  .nav {
    gap: 18px;
    font-size: 13px;
  }

  .hero-bg {
    height: 300px;
  }

  .hero h1 {
    font-size: 43px;
  }

  .hero-lead,
  .split-heading p,
  .proof-copy p,
  .video-copy p,
  .guarantee p,
  .contact-section p {
    font-size: 16px;
  }

  .benefit-band,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .benefit-band {
    width: 100%;
    border-radius: 0;
  }

  .benefit-band div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section,
  .guarantee,
  .contact-section,
  .site-footer {
    width: min(var(--max), calc(100% - 32px));
  }

  .section,
  .video-section,
  .guarantee,
  .contact-section {
    padding: 72px 0;
  }

  .service-card {
    min-height: auto;
  }

  .contact-card .phone {
    font-size: 24px;
  }

  .site-footer {
    flex-direction: column;
  }
}
