:root {
  --ink: #17202a;
  --muted: #667085;
  --line: #dce3ea;
  --paper: #ffffff;
  --soft: #f6f8fb;
  --blue: #2563eb;
  --cyan: #06b6d4;
  --rose: #e11d48;
  --orange: #f59e0b;
  --green: #16a34a;
  --shadow: 0 22px 60px rgba(23, 32, 42, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(220, 227, 234, 0.85);
  backdrop-filter: blur(16px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 18px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: conic-gradient(from 160deg, var(--blue), var(--cyan), var(--orange), var(--rose), var(--blue));
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.22);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #344054;
  font-size: 14px;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--rose));
  box-shadow: 0 14px 30px rgba(225, 29, 72, 0.22);
}

.button.secondary {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
  padding: 64px 0 52px;
  background: #eef4fb;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.86) 38%, rgba(255, 255, 255, 0.25) 72%, rgba(255, 255, 255, 0.15) 100%),
    url("images/ads-hero.png") center right / cover no-repeat;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 620px) 1fr;
  gap: 36px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
  color: #1d4ed8;
  background: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 800;
}

.pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(22, 163, 74, 0.12);
}

h1 {
  max-width: 700px;
  margin: 24px 0 18px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 590px;
  margin: 0 0 28px;
  color: #344054;
  font-size: 19px;
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 650px;
}

.stat {
  padding: 16px;
  border: 1px solid rgba(220, 227, 234, 0.8);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 28px rgba(23, 32, 42, 0.06);
}

.stat strong {
  display: block;
  margin-bottom: 4px;
  font-size: 23px;
  line-height: 1;
}

.stat span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

section {
  padding: 84px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 34px;
}

.section-head h2 {
  max-width: 600px;
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-head p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
}

.platforms {
  background: var(--paper);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.platform-card,
.price-card,
.process-card,
.proof-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(23, 32, 42, 0.08);
}

.platform-card {
  min-height: 260px;
  padding: 24px;
}

.platform-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 24px;
  border-radius: 8px;
}

.platform-icon svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.platform-icon.facebook {
  color: #fff;
  background: #1877f2;
}

.platform-icon.google {
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 22px rgba(23, 32, 42, 0.08);
}

.platform-icon.google span {
  font-size: 31px;
  line-height: 1;
  font-weight: 900;
  font-family: Arial, Helvetica, sans-serif;
  background: conic-gradient(from -45deg, #4285f4 0 28%, #34a853 28% 43%, #fbbc05 43% 62%, #ea4335 62% 78%, #4285f4 78% 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.platform-icon.tiktok {
  color: #fff;
  background: linear-gradient(135deg, #111827, #06b6d4 52%, #e11d48);
}

.platform-icon.instagram {
  color: #fff;
  background: linear-gradient(135deg, #f97316, #e11d48 48%, #7c3aed);
}

.platform-card h3,
.price-card h3,
.process-card h3,
.proof-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.platform-card p,
.process-card p,
.proof-card p {
  margin: 0;
  color: var(--muted);
}

.pricing {
  background: linear-gradient(180deg, #f6f8fb 0%, #ffffff 100%);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px;
}

.price-card.featured {
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: var(--shadow);
}

.badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff;
  background: var(--rose);
  font-size: 12px;
  font-weight: 800;
}

.price {
  margin: 18px 0 18px;
  font-size: 38px;
  line-height: 1;
  font-weight: 900;
}

.price small {
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

ul {
  padding: 0;
  margin: 0 0 24px;
  list-style: none;
}

li {
  display: flex;
  gap: 10px;
  margin: 12px 0;
  color: #344054;
}

li::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--green);
}

.price-card .button {
  margin-top: auto;
}

.process {
  background: #fff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-card {
  padding: 22px;
}

.step {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  font-weight: 900;
}

.proof {
  background: #101828;
  color: #fff;
}

.proof .section-head p,
.proof-card p {
  color: #cbd5e1;
}

.proof-card li {
  color: #e5edf8;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items: stretch;
}

.proof-card {
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.result-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.result {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.result strong {
  display: block;
  font-size: 24px;
}

.result span {
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 700;
}

.cta {
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(225, 29, 72, 0.08)),
    #fff;
}

.cta-panel {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 36px;
  align-items: start;
}

.cta h2 {
  margin: 0 0 16px;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

.cta p {
  max-width: 640px;
  margin: 0 0 10px 0;
  color: var(--muted);
  font-size: 16px;
}

.contact-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  color: #344054;
  font-weight: 800;
}

.form-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.form-alert {
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.form-alert.success {
  color: #166534;
  border-color: rgba(22, 163, 74, 0.3);
  background: rgba(22, 163, 74, 0.08);
}

.form-alert.error {
  color: #991b1b;
  border-color: rgba(225, 29, 72, 0.28);
  background: rgba(225, 29, 72, 0.08);
}

.field-error {
  min-height: 18px;
  margin: -8px 0 12px;
  color: #b91c1c !important;
  font-size: 12px;
  font-weight: 700;
}

.field-error:empty {
  visibility: hidden;
}

.field-invalid {
  border-color: #e11d48;
  box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.1);
}

.recaptcha-wrap {
  min-height: 78px;
  margin: 4px 0 14px;
  overflow-x: auto;
}

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

label {
  display: block;
  margin-bottom: 8px;
  color: #344054;
  font-size: 16px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  margin-bottom: 10px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  font: inherit;
  outline: none;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

footer {
  padding: 28px 0;
  color: #667085;
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.84) 48%, rgba(255, 255, 255, 0.52) 100%),
      url("images/ads-hero.png") center bottom / cover no-repeat;
  }

  .hero-inner,
  .cta-panel,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding-bottom: 220px;
  }

  .platform-grid,
  .price-grid,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 14px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .hero {
    padding-top: 44px;
  }

  .hero-inner {
    padding-bottom: 160px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .contact-actions,
  .contact-link {
    width: 100%;
  }

  .hero-stats,
  .platform-grid,
  .price-grid,
  .process-grid,
  .result-list {
    grid-template-columns: 1fr;
  }

  section {
    padding: 58px 0;
  }
}