/* ====== RechannelX Landing Page — Brand Styles ====== */

:root {
  --blue: #2563EB;
  --amber: #F59E0B;
  --charcoal: #1E293B;
  --teal: #0D7377;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --white: #FFFFFF;

  --font-sans: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
}

/* ====== Reset & Base ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--teal); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ====== Header ====== */
.site-header {
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-link img {
  height: 48px;
  width: auto;
}

.logo-link:hover { opacity: 0.9; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--blue);
}

/* ====== Hero Section ====== */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
  overflow: hidden;
}

.hero-logo {
  margin-bottom: 32px;
}

.hero-logo img {
  height: 96px;
  width: auto;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--charcoal);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero .tagline {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 24px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.hero p {
  font-size: 1.15rem;
  color: var(--gray-500);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ====== Buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: #1D4ED8;
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background: var(--white);
  color: var(--charcoal);
  border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-1px);
}

/* ====== Section ====== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--gray-50);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--charcoal);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ====== Feature Cards ====== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature-card {
  padding: 40px 32px;
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  transition: all 0.2s;
  background: var(--white);
}

.feature-card:hover {
  border-color: var(--blue);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.feature-card .icon-blue { background: rgba(37, 99, 235, 0.1); color: var(--blue); }
.feature-card .icon-amber { background: rgba(245, 158, 11, 0.1); color: var(--amber); }
.feature-card .icon-teal { background: rgba(13, 115, 119, 0.1); color: var(--teal); }

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--charcoal);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ====== Vertical Showcase ====== */
.verticals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.vertical-card {
  padding: 32px 24px;
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: all 0.2s;
  background: var(--white);
}

.vertical-card:hover {
  border-color: var(--amber);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.1);
  transform: translateY(-2px);
}

.vertical-card .emoji {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.vertical-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 4px;
}

.vertical-card .status {
  font-size: 0.8rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.vertical-card .status.coming { color: var(--amber); }

/* ====== Page Header ====== */
.page-header {
  padding: 64px 0 40px;
  background: var(--gray-50);
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--charcoal);
  margin-bottom: 8px;
}

.page-header p {
  color: var(--gray-500);
  font-size: 1.1rem;
}

/* ====== Content Page ====== */
.content-page {
  padding: 48px 0 80px;
}

.content-page .prose {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray-600);
}

.content-page .prose h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--charcoal);
  margin: 40px 0 16px;
}

.content-page .prose h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--charcoal);
  margin: 32px 0 12px;
}

.content-page .prose p {
  margin-bottom: 16px;
}

.content-page .prose ul {
  margin: 16px 0;
  padding-left: 24px;
}

.content-page .prose li {
  margin-bottom: 8px;
}

/* ====== Contact Form ====== */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--charcoal);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* ====== Footer ====== */
.site-footer {
  background: var(--charcoal);
  color: var(--gray-400);
  padding: 48px 0 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-brand .logo-img {
  height: 36px;
  width: auto;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--gray-400);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid var(--gray-700);
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ====== Responsive ====== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero .tagline { font-size: 1.1rem; }
  .hero p { font-size: 1rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .main-nav { gap: 16px; }
  .main-nav a { font-size: 0.75rem; }
}

@media (max-width: 480px) {
  .hero { padding: 60px 0 40px; }
  .hero h1 { font-size: 1.8rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .header-inner { height: 60px; }
  .logo-link img { height: 36px; }
}