/* RTEX landing: visual system aligned with saxis.app (Ecotech) */

:root {
  --obsidian: #0b0e11;
  --pro-blue: #0056b3;
  --pro-blue-hover: #0066cc;
  --saxis-gold: #d4af37;
  --saxis-gold-dim: #b8941f;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Playfair Display", Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--obsidian);
  color: #e2e8f0;
  -webkit-font-smoothing: antialiased;
}

main section[id] {
  scroll-margin-top: 5.5rem;
}

.bg-mesh {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 50% at 20% 8%, rgba(212, 175, 55, 0.14), transparent 55%),
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0, 86, 179, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 50%, rgba(212, 175, 55, 0.06), transparent 50%);
}

.shell {
  position: relative;
  z-index: 10;
  min-height: 100vh;
}

.container {
  width: min(72rem, 92vw);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(11, 14, 17, 0.8);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  text-decoration: none;
}

.logo-img {
  display: block;
  height: 3.25rem;
  width: auto;
  min-width: 10rem;
  max-width: min(280px, 62vw);
  object-fit: contain;
  object-position: left;
}

@media (min-width: 640px) {
  .logo-img {
    height: 3.75rem;
  }
}

.nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: #94a3b8;
}

.nav a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s;
}

.nav a:hover {
  color: #fff;
}

@media (min-width: 640px) {
  .nav {
    display: flex;
  }
}

.btn {
  display: inline-flex;
  min-height: 48px;
  min-width: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--pro-blue);
  color: #fff;
  padding: 0 1rem;
  box-shadow: 0 10px 25px rgba(0, 86, 179, 0.25);
}

.btn-primary:hover {
  background: var(--pro-blue-hover);
}

/* Hero */
.hero {
  overflow-x: clip;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2rem 0 6rem;
}

@media (min-width: 640px) {
  .hero {
    padding-top: 2.5rem;
  }
}

.hero-brand-stage {
  margin-bottom: 2.5rem;
  max-width: 100%;
}

.hero-logo-wrap {
  position: relative;
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 1.25rem;
}

.hero-logo-wrap::before {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  top: -25%;
  bottom: -15%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 85% 70% at 35% 45%, rgba(212, 175, 55, 0.22), transparent 65%),
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(0, 86, 179, 0.12), transparent 60%);
}

.hero-logo {
  display: block;
  width: min(100%, 32rem);
  height: auto;
  max-height: none;
}

@media (min-width: 640px) {
  .hero-logo {
    width: min(100%, 36rem);
  }
}

@media (min-width: 1024px) {
  .hero-logo {
    width: min(100%, 40rem);
  }

  .hero-brand-stage {
    margin-bottom: 3rem;
  }
}

.hero-brand-stage .pill {
  margin-bottom: 1rem;
}

.hero-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin: 0;
}

.hero-by {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #64748b;
}

.hero-ecotech {
  display: block;
  height: 1.5rem;
  width: auto;
  max-width: min(11rem, 50vw);
  object-fit: contain;
  object-position: left;
  opacity: 0.88;
}

@media (min-width: 640px) {
  .hero-ecotech {
    height: 1.75rem;
  }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: #cbd5e1;
}

.pill svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--saxis-gold);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0;
  max-width: 24ch;
}

.hero .lede {
  margin: 1.25rem 0 0;
  max-width: 42rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.55;
  color: #cbd5e1;
}

.hero .lede-sub {
  margin: 1rem 0 0;
  max-width: 42rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: #94a3b8;
}

.hero-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr minmax(0, 420px);
    align-items: start;
  }
}

.coming-soon-block .eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(212, 175, 55, 0.9);
  margin: 0;
}

.coming-soon-block .copy {
  margin: 1rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #fff;
  max-width: 28rem;
}

.contact-card {
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
}

.contact-card h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
}

.contact-card p {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.5;
}

.contact-card .btn {
  width: 100%;
  margin-top: 1.25rem;
}

.contact-card .fine {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: #64748b;
}

/* Sections */
.section {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 5rem 0;
}

.eyebrow-blue {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pro-blue);
  margin: 0;
}

.eyebrow-gold {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--saxis-gold);
  margin: 0;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 500;
  color: #fff;
  margin: 0.75rem 0 0;
}

.section .intro {
  margin: 1.5rem 0 0;
  max-width: 48rem;
  font-size: 1.125rem;
  line-height: 1.6;
  color: #94a3b8;
}

.card-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: rgba(212, 175, 55, 0.3);
}

.card-icon {
  display: flex;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: rgba(0, 86, 179, 0.15);
  color: var(--pro-blue);
  margin-bottom: 1rem;
}

.card-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.card h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
}

.card p {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #94a3b8;
}

.card .tag {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #c4a86a;
}

.highlight-panel {
  margin-top: 2.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(0, 86, 179, 0.25);
  background: rgba(0, 86, 179, 0.05);
  padding: 1.5rem 2rem;
}

@media (min-width: 640px) {
  .highlight-panel {
    padding: 2rem;
  }
}

.highlight-panel h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: #fff;
  margin: 0;
}

.highlight-panel p {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: #cbd5e1;
}

.story-quote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: #fff;
  line-height: 1.4;
}

.story-quote strong {
  color: var(--saxis-gold);
}

/* FAQ */
.faq-list {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

details.faq {
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  padding: 1.25rem;
}

details.faq[open] {
  border-color: rgba(212, 175, 55, 0.35);
}

details.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: #fff;
  font-size: 1rem;
}

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

details.faq p {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: #94a3b8;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.4);
  padding: 3rem 0;
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 640px) {
  .footer-grid {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.footer-logo {
  display: block;
  width: min(100%, 17.5rem);
  height: auto;
  max-width: 100%;
}

.footer-tagline {
  margin: 1rem 0 0;
  max-width: 36rem;
  font-size: 0.875rem;
  color: #94a3b8;
}

.footer-fine {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  line-height: 1.6;
  color: #64748b;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: #64748b;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: #fff;
}

.footer-links .label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #475569;
  min-height: auto;
  display: block;
  margin-bottom: 0.25rem;
}

.link-pro {
  color: #3b82f6;
}

.link-pro:hover {
  text-decoration: underline;
}

.disclaimer-list {
  margin: 1.5rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.65;
}

.disclaimer-list li {
  margin-bottom: 0.5rem;
}