/* Used Computer Export USA — Landing */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  --color-bg: #0b1120;
  --color-bg-elevated: #111827;
  --color-surface: #ffffff;
  --color-surface-muted: #f1f5f9;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-inverse: #f8fafc;
  --color-text-inverse-muted: #94a3b8;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-soft: rgba(37, 99, 235, 0.12);
  --color-gold: #f59e0b;
  --color-gold-soft: rgba(245, 158, 11, 0.15);
  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-border: #e2e8f0;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 60px rgba(37, 99, 235, 0.25);
  --header-h: 4.5rem;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
}

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

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: box-shadow var(--transition);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.site-header__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__logo img {
  height: 2.75rem;
  width: auto;
  filter: brightness(1.05);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-header__nav a {
  color: var(--color-text-inverse-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.site-header__nav a:hover {
  color: var(--color-text-inverse);
  background: rgba(255, 255, 255, 0.06);
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--color-accent);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.site-header__cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
  color: #fff !important;
}

/* Hero */
.hero {
  position: relative;
  min-height: auto;
  padding: calc(var(--header-h) + 2rem) 1.5rem 3rem;
  background: var(--color-bg);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.35), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(245, 158, 11, 0.08), transparent),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(37, 99, 235, 0.15), transparent);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  padding-top: 0.5rem;
}

.hero__intro { flex-shrink: 0; }

.hero__media {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background: var(--color-gold-soft);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-full);
  color: #fbbf24;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-text-inverse);
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.hero__title em {
  font-style: italic;
  color: #93c5fd;
}

.hero__lead {
  font-size: 1.125rem;
  color: var(--color-text-inverse-muted);
  max-width: 32rem;
  margin: 0 0 2rem;
  line-height: 1.7;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.hero__stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-inverse);
}

.hero__stat span {
  font-size: 0.8125rem;
  color: var(--color-text-inverse-muted);
}

.hero__aside {
  display: flex;
  flex-direction: column;
}

.contact-form-card--sticky {
  position: sticky;
  top: calc(var(--header-h) + 1.25rem);
}

.hero__image-wrap {
  flex: 1;
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 12rem;
}

.hero__image-wrap img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  max-height: 340px;
  object-fit: contain;
  object-position: center bottom;
}

.hero__contact-card {
  flex-shrink: 0;
  padding: 1.25rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero__contact-card i {
  font-size: 1.5rem;
  color: var(--color-gold);
}

.hero__contact-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-inverse-muted);
}

.hero__contact-card a {
  color: var(--color-text-inverse);
  font-weight: 600;
  font-size: 1rem;
}

/* Contact form */
.contact-form-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.contact-form-card__header {
  margin-bottom: 1.75rem;
}

.contact-form-card__header h2 {
  margin: 0 0 0.375rem;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
}

.contact-form-card__header p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group--full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94a3b8;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-recaptcha {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 0.5rem 0;
}

.btn-submit {
  grid-column: 1 / -1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  width: 100%;
  padding: 1rem 1.5rem;
  margin-top: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent) 0%, #1d4ed8 100%);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
}

.btn-submit:active { transform: translateY(0); }

/* Process */
.section {
  padding: 5rem 1.5rem;
}

.section--muted {
  background: var(--color-surface-muted);
}

.section__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section__header {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto 3.5rem;
}

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  margin: 0 0 1rem;
  color: var(--color-text);
  line-height: 1.2;
}

.section__desc {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.process-card {
  position: relative;
  padding: 2rem 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.process-card__step {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.5;
}

.process-card__icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 1.375rem;
}

.process-card h3 {
  margin: 0 0 0.625rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
}

.process-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content p {
  margin: 0 0 1.25rem;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.about-content p:last-child { margin-bottom: 0; }

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.feature-panel {
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  background: var(--color-bg);
  color: var(--color-text-inverse);
}

.feature-panel--accent {
  background: linear-gradient(135deg, #1e3a5f 0%, var(--color-bg) 100%);
}

.feature-panel h3 {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.feature-panel h3 i { color: var(--color-gold); }

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding: 0.625rem 0 0.625rem 1.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-inverse-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.feature-list li:last-child { border-bottom: none; }

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* CTA banner */
.cta-banner {
  position: relative;
  min-height: 28rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.cta-banner__bg {
  position: absolute;
  inset: 0;
}

.cta-banner__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-banner__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(11, 17, 32, 0.95) 0%, rgba(11, 17, 32, 0.75) 50%, rgba(11, 17, 32, 0.4) 100%);
}

.cta-banner__content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  width: 100%;
}

.cta-banner__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: #fde68a;
  margin: 0 0 1.5rem;
  max-width: 28rem;
  line-height: 1.15;
}

.cta-banner__text {
  max-width: 40rem;
  color: var(--color-text-inverse-muted);
  font-size: 1.0625rem;
  line-height: 1.75;
  margin: 0 0 1.25rem;
}

.cta-banner__text:last-of-type { margin-bottom: 2rem; }

.cta-banner__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--color-gold);
  color: var(--color-bg) !important;
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: transform var(--transition), box-shadow var(--transition);
}

.cta-banner__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
  color: var(--color-bg) !important;
}

/* Footer */
.site-footer {
  background: var(--color-bg);
  color: var(--color-text-inverse-muted);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.875rem;
}

.site-footer strong {
  color: var(--color-text-inverse);
  font-weight: 600;
}

/* Toast */
.toast-success {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 9999;
  max-width: 22rem;
  padding: 1rem 3rem 1rem 1.25rem;
  background: var(--color-success-bg);
  border: 1px solid #86efac;
  border-radius: var(--radius-lg);
  color: #166534;
  font-size: 0.9375rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.4s ease;
}

.toast-success i { color: var(--color-success); margin-right: 0.5rem; }

.toast-success__close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: #166534;
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.toast-success__close:hover { opacity: 1; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(1rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #fff;
  font-size: 1.75rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
  color: #fff;
}

/* Honeypot */
.hp-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-inverse);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* FAQ */
.faq-list {
  max-width: 40rem;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  background: var(--color-surface);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.125rem 1.25rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
}

.faq-item[open] summary::after { content: '−'; }

.faq-item__answer {
  padding: 0 1.25rem 1.125rem;
}

.faq-item__answer p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.site-footer p + p {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
}

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

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

/* Responsive */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-form-card--sticky { position: static; }
  .hero__image-wrap img { max-height: 280px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; }
  .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .site-header__nav { display: none; }
  .site-header__nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-bg);
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav-toggle { display: block; }
  .form-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 1.5rem; }
  .contact-form-card { padding: 1.5rem; }
}
