:root {
  --bg: #06080d;
  --panel: #0d121b;
  --panel-2: #111926;
  --text: #f4f7fb;
  --muted: #9ca8b8;
  --line: rgba(255, 255, 255, 0.1);
  --brand: #22d3ee;
  --brand-2: #57f0b8;
  --accent: #f3b449;
  --danger: #ff6b6b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 8, 13, 0.86);
  backdrop-filter: blur(18px);
}

.nav {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
  min-height: 74px;
  padding: 0 22px;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  font-size: 1.08rem;
  font-weight: 800;
}

.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-radius: 8px;
  color: #041017;
  display: inline-flex;
  font-weight: 900;
  height: 36px;
  justify-content: center;
  width: 36px;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 22px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-actions {
  align-items: center;
  display: flex;
  gap: 10px;
}

.contact-strip {
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  font-size: 0.88rem;
  gap: 18px;
  justify-content: center;
  min-height: 34px;
  padding: 6px 16px;
}

.contact-strip a {
  color: #d9e4ef;
  font-weight: 750;
}

.menu-toggle {
  display: none;
}

.btn {
  align-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  font-weight: 800;
  gap: 9px;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #041017;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
  color: var(--text);
}

.btn-whatsapp {
  background: #25d366;
  color: #03140a;
}

.btn-link {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
  color: #dbe6f2;
}

.section {
  padding: 86px 22px;
}

.section.alt {
  background: #080d14;
}

.container {
  margin: 0 auto;
  max-width: var(--max);
}

.hero {
  min-height: calc(100vh - 74px);
  padding: 86px 22px 42px;
  position: relative;
}

.hero::before {
  background: linear-gradient(90deg, rgba(6, 8, 13, 0.96) 0%, rgba(6, 8, 13, 0.78) 44%, rgba(6, 8, 13, 0.34) 100%), url("assets/serultra-hero.png") center right / cover no-repeat;
  content: "";
  inset: 0;
  position: absolute;
  z-index: -2;
}

.hero::after {
  background: linear-gradient(180deg, rgba(6, 8, 13, 0) 78%, var(--bg) 100%);
  content: "";
  inset: 0;
  position: absolute;
  z-index: -1;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1.04fr) minmax(300px, 0.72fr);
  margin: 0 auto;
  max-width: var(--max);
}

.eyebrow {
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0;
}

h1 {
  font-size: clamp(2.75rem, 7vw, 5.9rem);
  max-width: 920px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.45rem);
}

h3 {
  font-size: 1.18rem;
}

.lead {
  color: #d5dde8;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  margin: 22px 0 0;
  max-width: 720px;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.trust-row {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 52px;
  padding-top: 26px;
}

.stat strong {
  display: block;
  font-size: 1.55rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.9rem;
}

.quote-panel,
.lead-panel,
.service-card,
.price-card,
.work-card,
.testimonial,
.faq-item,
.legal-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.035));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.quote-panel,
.lead-panel {
  padding: 24px;
}

.quote-panel p {
  color: #dbe6f2;
  font-size: 1.03rem;
  margin: 0;
}

.quote-panel .mini {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 20px;
  padding-top: 18px;
}

.section-head {
  align-items: end;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 0.85fr) minmax(260px, 0.45fr);
  margin-bottom: 34px;
}

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

.grid-3 {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(2, 1fr);
}

.service-card,
.price-card,
.work-card,
.testimonial,
.faq-item,
.legal-card {
  padding: 24px;
}

.icon {
  align-items: center;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.24);
  border-radius: 8px;
  color: var(--brand);
  display: inline-flex;
  height: 42px;
  justify-content: center;
  margin-bottom: 18px;
  width: 42px;
}

.card-text,
.muted {
  color: var(--muted);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.pill {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #cdd8e6;
  font-size: 0.82rem;
  font-weight: 750;
  padding: 6px 10px;
}

.feature-band {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(87, 240, 184, 0.08));
  border-block: 1px solid var(--line);
}

.split {
  align-items: center;
  display: grid;
  gap: 42px;
  grid-template-columns: 0.95fr 1.05fr;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
}

.check-list li {
  color: #dce6f2;
  list-style: none;
  padding-left: 30px;
  position: relative;
}

.check-list li::before {
  color: var(--brand-2);
  content: "+";
  font-weight: 900;
  left: 0;
  position: absolute;
}

.work-card.featured {
  grid-column: span 2;
}

.work-media {
  aspect-ratio: 16 / 9;
  background: url("assets/serultra-hero.png") center / cover no-repeat;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}

.project-screen {
  align-items: end;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(87, 240, 184, 0.08)), url("assets/serultra-hero.png") center / cover no-repeat;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  margin-bottom: 20px;
  min-height: 220px;
  overflow: hidden;
  padding: 18px;
}

.portfolio-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(2, 1fr);
}

.portfolio-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease;
}

.portfolio-card:hover {
  border-color: rgba(34, 211, 238, 0.55);
  transform: translateY(-4px);
}

.portfolio-shot {
  align-items: end;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(87, 240, 184, 0.08)), url("assets/serultra-hero.png") center / cover no-repeat;
  display: flex;
  padding: 18px;
}

.portfolio-body {
  padding: 24px;
}

.screen-caption {
  background: rgba(6, 8, 13, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #dce6f2;
  font-weight: 850;
  padding: 9px 12px;
}

.testimonial-head {
  align-items: center;
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.avatar {
  align-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-radius: 50%;
  color: #041017;
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 900;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.stars {
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 12px;
}

.contact-cards {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 24px;
}

.contact-card {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.contact-card strong,
.contact-card a {
  display: block;
}

.contact-card span {
  color: var(--muted);
  display: block;
  font-size: 0.88rem;
  margin-bottom: 6px;
}

.content-flow h2 {
  margin-top: 34px;
}

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

.content-flow p,
.content-flow li {
  color: var(--muted);
}

.content-flow ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.price {
  align-items: baseline;
  display: flex;
  gap: 8px;
  margin: 22px 0;
}

.price strong {
  font-size: 2.2rem;
  line-height: 1;
}

.price-card.highlight {
  border-color: rgba(34, 211, 238, 0.6);
  position: relative;
}

.badge {
  background: var(--accent);
  border-radius: 999px;
  color: #201200;
  font-size: 0.78rem;
  font-weight: 900;
  padding: 5px 9px;
  position: absolute;
  right: 18px;
  top: 18px;
}

.comparison {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1.1fr repeat(4, 0.7fr);
}

.comparison-row > div {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 14px;
}

.comparison-row > div:last-child {
  border-right: 0;
}

.comparison-row.head {
  background: rgba(255, 255, 255, 0.08);
  font-weight: 900;
}

.newsletter-band {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(243, 180, 73, 0.08));
  border-block: 1px solid var(--line);
}

.newsletter-form {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}

.newsletter-form input {
  flex: 1;
}

.form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, 1fr);
}

.field {
  display: grid;
  gap: 8px;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  color: #d9e4ef;
  font-size: 0.88rem;
  font-weight: 750;
}

input,
select,
textarea {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  min-height: 46px;
  padding: 12px 13px;
  width: 100%;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand);
  outline: none;
}

.form-note,
.form-status {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 12px 0 0;
}

.form-status.error {
  color: var(--danger);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 42px 22px;
}

.footer-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.3fr repeat(3, 0.6fr);
}

.footer a,
.legal-links a {
  color: var(--muted);
  display: block;
  margin-top: 8px;
}

.legal-links {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 22px;
}

.page-hero {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(87, 240, 184, 0.05));
  border-bottom: 1px solid var(--line);
  padding: 76px 22px 54px;
}

.page-hero p {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 720px;
}

.floating-whatsapp {
  align-items: center;
  background: #25d366;
  border-radius: 999px;
  bottom: 20px;
  box-shadow: var(--shadow);
  color: #03140a;
  display: inline-flex;
  font-weight: 900;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  position: fixed;
  right: 20px;
  z-index: 30;
  animation: whatsappPulse 2.2s infinite;
}

@keyframes whatsappPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.42), var(--shadow);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(37, 211, 102, 0), var(--shadow);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), var(--shadow);
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    align-items: center;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    display: inline-flex;
    height: 42px;
    justify-content: center;
    min-width: 58px;
    padding: 0 10px;
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .site-header.open .nav-links,
  .site-header.open .nav-actions {
    background: rgba(6, 8, 13, 0.98);
    border-bottom: 1px solid var(--line);
    display: grid;
    left: 0;
    padding: 18px 22px;
    position: absolute;
    right: 0;
    top: 100%;
  }

  .site-header.open .nav-actions {
    top: calc(100% + 218px);
  }

  .hero-grid,
  .section-head,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-2,
  .portfolio-grid,
  .trust-row,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .comparison {
    overflow-x: auto;
  }

  .comparison-row {
    min-width: 760px;
  }

  .work-card.featured {
    grid-column: auto;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(6, 8, 13, 0.84), rgba(6, 8, 13, 0.96)), url("assets/serultra-hero.png") center / cover no-repeat;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 62px 18px;
  }

  .hero {
    padding: 68px 18px 36px;
  }

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

  .btn {
    width: 100%;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .floating-whatsapp {
    bottom: 14px;
    right: 14px;
  }
}