:root {
  --bg: #070b14;
  --bg-elevated: #0f1629;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --gold: #fbbf24;
  --gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  --radius: 16px;
  --font: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(56, 189, 248, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(129, 140, 248, 0.08), transparent),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(192, 132, 252, 0.06), transparent);
  pointer-events: none;
  z-index: 0;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s, opacity 0.2s;
}

a:hover {
  color: #7dd3fc;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.85rem 0;
  background: rgba(7, 11, 20, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text);
  letter-spacing: -0.03em;
}

.logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-by {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-desktop a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--border);
  margin-top: 0.75rem;
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile a {
  color: var(--muted);
  padding: 0.5rem 0;
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.75rem 1.35rem;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--gradient);
  color: #0f172a;
  box-shadow: 0 4px 24px rgba(56, 189, 248, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(56, 189, 248, 0.45);
  color: #0f172a;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  color: #fff;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero */
.hero {
  padding: 8rem 0 2.5rem;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.hero .subhead {
  margin: 0 auto 0.75rem;
  max-width: 42rem;
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  color: var(--muted);
  line-height: 1.65;
}

.hero .slogan {
  margin: 0 0 2rem;
  font-size: 1rem;
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-visual {
  margin-top: 3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 1rem;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.hero-mockup {
  border-radius: 10px;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-mockup-inner {
  text-align: center;
  padding: 2rem;
}

.hero-mockup-inner .book-icon {
  font-size: 4rem;
  margin-bottom: 0.75rem;
  filter: drop-shadow(0 8px 24px rgba(56, 189, 248, 0.3));
}

.hero-mockup-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Sections */
section {
  padding: 4.5rem 0;
}

.section-title {
  text-align: center;
  margin: 0 0 0.5rem;
  font-size: clamp(1.65rem, 4vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-lead {
  text-align: center;
  margin: 0 auto 2.5rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-2px);
}

.feature-card .icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.step-card {
  position: relative;
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  text-align: center;
}

.step-card::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--gradient);
  color: #0f172a;
  font-weight: 800;
  font-size: 1.1rem;
}

.step-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

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

/* Demo */
.demo-section {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.demo-section--hero {
  padding-top: 2rem;
}

.demo-card {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.demo-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.demo-card p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.demo-embed-card {
  margin: 2rem auto 1.25rem;
  max-width: 1100px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #1e293b;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.demo-embed-card iframe {
  display: block;
  width: 100%;
  height: min(82vh, 920px);
  min-height: 520px;
  border: 0;
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.demo-hint {
  margin: 1.25rem auto 0;
  max-width: 52ch;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .demo-embed-card iframe {
    min-height: 420px;
    height: 70vh;
  }
}

/* Service */
.service-box {
  padding: 2.5rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.08) 0%, rgba(129, 140, 248, 0.08) 100%);
  border: 1px solid rgba(56, 189, 248, 0.2);
  text-align: center;
}

.service-box p {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

/* Trust */
.trust-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.trust-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  color: var(--muted);
}

.trust-list li::before {
  content: "✔";
  color: #4ade80;
  font-weight: 700;
}

/* Contact */
.contact-section {
  text-align: center;
}

.contact-section .section-lead {
  margin-bottom: 2.5rem;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.contact-channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  text-align: left;
  max-width: 1040px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.5rem 1.35rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-card:hover {
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.contact-card-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.contact-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.contact-card > p:not(.contact-detail) {
  margin: 0;
  flex: 1;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.contact-card .btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.35rem;
}

.contact-detail {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  word-break: break-all;
}

.contact-detail a {
  color: var(--accent);
}

.contact-card--whatsapp {
  border-color: rgba(37, 211, 102, 0.25);
}

.contact-card--wetransfer .contact-detail strong {
  color: #e2e8f0;
  font-weight: 600;
}

.contact-footnote {
  margin: 2rem auto 0;
  max-width: 36rem;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .contact-channels {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.site-footer .logo {
  justify-content: center;
  margin-bottom: 0.5rem;
}

.site-footer p {
  margin: 0.25rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--accent);
}

/* Config note - hidden */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 6.5rem;
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}