/* ─── Thalassa Corporate Site ─────────────────────────────────────────────── */
/* Built on Pico CSS (MIT) — https://picocss.com                               */

:root {
  --brand-900: #0c1a2e;
  --brand-800: #0f2744;
  --brand-700: #1a3a5c;
  --brand-600: #1e5799;
  --brand-500: #0ea5e9;
  --brand-400: #38bdf8;
  --brand-100: #e0f2fe;
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-900: #0f172a;
  --radius: 0.75rem;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.07), 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* ─── Reset / base ────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--neutral-700);
  background: #fff;
  margin: 0;
  line-height: 1.6;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1,
h2,
h3,
h4 {
  color: var(--neutral-900);
  line-height: 1.2;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

a {
  color: var(--brand-600);
  text-decoration: none;
}
a:hover {
  color: var(--brand-500);
}

/* ─── Navigation ──────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--neutral-200);
}

.site-header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

.site-header nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header nav a {
  color: var(--neutral-700);
  font-size: 0.9rem;
  font-weight: 500;
}
.site-header nav a:hover {
  color: var(--brand-600);
}
.brand {
  font-size: 1.25rem !important;
  color: var(--brand-900) !important;
}

[role='button'] {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  border: 2px solid transparent;
}

[role='button']:not(.outline):not(.secondary) {
  background: var(--brand-600);
  color: #fff;
  border-color: var(--brand-600);
}
[role='button']:not(.outline):not(.secondary):hover {
  background: var(--brand-700);
  border-color: var(--brand-700);
}

[role='button'].outline {
  background: transparent;
  color: var(--brand-600);
  border-color: var(--brand-600);
}
[role='button'].outline:hover {
  background: var(--brand-100);
}

[role='button'].secondary {
  background: transparent;
  color: var(--neutral-700);
  border-color: var(--neutral-200);
}
[role='button'].secondary:hover {
  background: var(--neutral-100);
}

/* ─── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(
    160deg,
    var(--brand-900) 0%,
    var(--brand-700) 60%,
    var(--brand-600) 100%
  );
  color: #fff;
  padding: 6rem 0 5rem;
  text-align: center;
}

.hero-content {
  max-width: 760px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: var(--brand-400);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.5rem;
}

.hero h1 {
  color: #fff;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.hero-actions [role='button']:not(.outline) {
  background: var(--brand-500);
  border-color: var(--brand-500);
  font-size: 1rem;
  padding: 0.75rem 2rem;
}
.hero-actions [role='button']:not(.outline):hover {
  background: var(--brand-400);
  border-color: var(--brand-400);
}
.hero-actions [role='button'].outline {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.4);
  font-size: 1rem;
  padding: 0.75rem 2rem;
}
.hero-actions [role='button'].outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-note {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* ─── Proof strip ─────────────────────────────────────────────────────────── */
.proof-strip {
  background: var(--neutral-50);
  border-bottom: 1px solid var(--neutral-200);
  padding: 1rem 0;
  text-align: center;
}
.proof-strip p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--neutral-600);
}

/* ─── Sections ────────────────────────────────────────────────────────────── */
section {
  padding: 5rem 0;
}
.section-alt {
  background: var(--neutral-50);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}
.section-header p {
  color: var(--neutral-600);
  font-size: 1.05rem;
  margin-top: 0.75rem;
}

/* ─── Problem cards ───────────────────────────────────────────────────────── */
.grid {
  display: grid;
  gap: 1.5rem;
}
.three-col {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.two-col {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.card h3 {
  margin: 0 0 0.5rem;
}
.card p {
  margin: 0;
  color: var(--neutral-600);
  font-size: 0.9rem;
}

/* ─── Feature grid ────────────────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-block {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  width: 2.5rem;
  text-align: center;
  margin-top: 0.1rem;
}

.feature-block h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}
.feature-block p {
  margin: 0;
  color: var(--neutral-600);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ─── Security callout ────────────────────────────────────────────────────── */
.callout-section {
  background: var(--brand-900);
  color: #fff;
  padding: 4rem 0;
}

.callout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.callout-text h2 {
  color: #fff;
  margin-bottom: 1rem;
}
.callout-text p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0.75rem;
}
.callout-text p:last-child {
  color: var(--brand-400);
  font-weight: 600;
  margin: 0;
}

.callout-stat {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
}

.stat {
  display: flex;
  flex-direction: column;
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--brand-400);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ─── Persona cards ───────────────────────────────────────────────────────── */
.persona-card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.persona-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}
.persona-card p {
  margin: 0;
  color: var(--neutral-600);
  font-size: 0.875rem;
}

/* ─── Pricing ─────────────────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--brand-500);
  box-shadow:
    0 0 0 2px var(--brand-500),
    var(--shadow-lg);
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-500);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  white-space: nowrap;
}

.pricing-tier {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-600);
  margin-bottom: 0.5rem;
}
.pricing-price {
  margin-bottom: 0.75rem;
}
.price-amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--neutral-900);
}
.price-period {
  font-size: 0.9rem;
  color: var(--neutral-600);
}
.pricing-desc {
  font-size: 0.875rem;
  color: var(--neutral-600);
  margin-bottom: 1.25rem;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}
.pricing-features li {
  font-size: 0.875rem;
  color: var(--neutral-700);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--neutral-100);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.pricing-features li::before {
  content: '✓';
  color: var(--brand-500);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card [role='button'] {
  width: 100%;
  justify-content: center;
}

.pricing-single {
  max-width: 440px;
  margin: 0 auto;
  padding-top: 0.75rem;
}

.pricing-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--neutral-600);
  margin-top: 2rem;
}

/* ─── Roadmap ───────────────────────────────────────────────────────────────── */
.roadmap-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 760px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.roadmap-list li {
  border: 1px dashed var(--neutral-200);
  border-radius: 2rem;
  padding: 0.4rem 1rem;
  font-size: 0.875rem;
  color: var(--neutral-600);
  background: var(--neutral-50);
}

/* ─── CTA section ─────────────────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--brand-800) 0%, var(--brand-600) 100%);
  color: #fff;
  padding: 5rem 0;
}

.cta-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.cta-content h2 {
  color: #fff;
  margin-bottom: 0.75rem;
}
.cta-content > p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
}

/* EngageBay form embed — override form background to match section */
.engage-hub-form-embed {
  background: transparent;
  text-align: start;
}

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--neutral-900);
  color: rgba(255, 255, 255, 0.6);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand strong {
  color: #fff;
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.5rem;
}
.footer-brand p {
  font-size: 0.875rem;
  margin: 0 0 0.25rem;
}
.footer-domain {
  color: var(--brand-400) !important;
  font-size: 0.8rem !important;
}

.footer-links h4 {
  color: #fff;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 0.4rem;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.875rem;
}
.footer-links a:hover {
  color: #fff;
}
.footer-placeholder {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.875rem;
  font-style: italic;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .site-header nav .nav-link {
    display: none;
  }

  .callout {
    grid-template-columns: 1fr;
  }
  .callout-stat {
    flex-direction: row;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 4rem 0 3rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}
