/* --- Base reset & typography --- */

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

html, body {
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --bg-body: #050816;
  --bg-surface: #0b1020;
  --bg-surface-soft: #111827;
  --bg-muted: #020617;

  --accent: #f59e0b;       /* amber (Amazon-esque but not copycat) */
  --accent-soft: rgba(245, 158, 11, 0.12);
  --accent-dark: #92400e;

  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-soft: #6b7280;

  --border-soft: #1f2937;
  --border-strong: #374151;

  --danger: #f97373;
  --success: #22c55e;
  --warning: #fbbf24;

  /* Layout */
  --max-width: 1120px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.55);
  --shadow-card: 0 16px 35px rgba(15, 23, 42, 0.9);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;

  /* Spacing */
  --space-xs: 0.4rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #111827 0, #020617 55%);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Utilities --- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section-dark {
  background: radial-gradient(circle at top left, #111827, #020617 55%);
}

.section-muted {
  background: #020617;
}

.section-accent {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #111827;
}

.section-header {
  max-width: 720px;
  margin: 0 auto var(--space-lg);
  text-align: center;
}

.section-header h2 {
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--text-muted);
}

/* --- Header & nav --- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.92), rgba(2, 6, 23, 0.75));
  border-bottom: 1px solid rgba(31, 41, 55, 0.7);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-main);
  gap: 0.75rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: radial-gradient(circle at top, #f59e0b, #b45309);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #0b1020;
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.9);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Nav */

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

/* Nav toggle (mobile) */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.4rem;
  flex-direction: column;
  gap: 0.3rem;
  cursor: pointer;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-main);
  display: block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.12s ease, box-shadow 0.18s ease, color 0.18s ease;
}

.btn-small {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

.btn-accent {
  background: linear-gradient(135deg, #f97316, #f59e0b);
  color: #111827;
  box-shadow: 0 14px 30px rgba(249, 115, 22, 0.35);
}

.btn-accent:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(249, 115, 22, 0.45);
}

.btn-ghost {
  border-color: rgba(148, 163, 184, 0.5);
  color: var(--text-main);
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.9);
}

.btn-dark {
  background: #111827;
  color: #f9fafb;
  border-color: #0f172a;
}

.btn-dark:hover {
  background: #020617;
}

/* --- Hero --- */

.hero {
  padding: calc(var(--space-xl) + 0.8rem) 0 var(--space-xl);
}

.hero-inner {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.hero-copy h1 {
  font-size: 2.4rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.hero-sub {
  color: var(--text-muted);
  max-width: 34rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  color: var(--text-soft);
  margin-bottom: var(--space-sm);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(to right, rgba(148, 163, 184, 0), rgba(148, 163, 184, 0.7));
}

.hero-actions {
  margin-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-trust {
  margin-top: var(--space-md);
  color: var(--text-soft);
}

.hero-trust strong {
  color: var(--accent);
}

/* Hero panel */

.hero-panel {
  background: radial-gradient(circle at top left, #1e293b, #020617 70%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(31, 41, 55, 0.8);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.hero-panel-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  background: linear-gradient(to right, #020617, #111827);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot-green {
  background: #22c55e;
}

.dot-amber {
  background: #facc15;
}

.dot-red {
  background: #f97373;
}

.hero-panel-body {
  padding: var(--space-md);
}

.hero-panel-title {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: #e5e7eb;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.metric-card {
  padding: 0.9rem;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.85));
  border: 1px solid rgba(31, 41, 55, 0.7);
}

.metric-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--text-soft);
}

.metric-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 600;
  margin-top: 0.3rem;
}

.metric-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.text-green { color: var(--success); }
.text-amber { color: var(--accent); }

.panel-footnote {
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--text-soft);
}

/* --- Pill cards (who it's for) --- */

.pill-grid {
  display: grid;
  gap: var(--space-md);
}

.pill-card {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top, #020617, #020617);
  border: 1px solid rgba(31, 41, 55, 0.8);
}

.pill-card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.pill-card p {
  margin: 0;
  color: var(--text-muted);
}

/* --- Two column layout --- */

.two-col {
  display: grid;
  gap: var(--space-xl);
}

.card {
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  background: radial-gradient(circle at top left, #020617, #020617);
}

.card-outline {
  border: 1px solid rgba(31, 41, 55, 1);
}

/* Bullet list */

.bullet-list {
  padding-left: 1.1rem;
  margin: 0.3rem 0 0.9rem;
  color: var(--text-muted);
}

.bullet-list li + li {
  margin-top: 0.2rem;
}

/* --- Labs --- */

.lab-grid {
  display: grid;
  gap: var(--space-md);
}

.lab-card {
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  background: radial-gradient(circle at top left, #0b1120, #020617);
  border: 1px solid rgba(31, 41, 55, 0.9);
}

.lab-card h3 {
  margin-top: 0;
  margin-bottom: 0.3rem;
  font-size: 1.1rem;
}

.lab-tagline {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 0.85rem;
  color: var(--accent);
}

.lab-points {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.lab-points li + li {
  margin-top: 0.25rem;
}

.lab-link {
  display: inline-flex;
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
}

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

/* --- Steps --- */

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-md);
}

.step {
  display: flex;
  gap: 0.9rem;
}

.step-index {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid rgba(249, 115, 22, 0.55);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
}

.step-body h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.step-body p {
  margin: 0;
  color: var(--text-muted);
}

/* --- CTA banner --- */

.cta-banner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cta-banner h2 {
  margin: 0 0 0.3rem;
  font-size: 1.7rem;
}

.cta-banner p {
  margin: 0;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
}

.cta-note {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* --- Footer --- */

.site-footer {
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  background: #020617;
  padding: var(--space-md) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.footer-links a {
  color: var(--text-soft);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text-main);
}

/* --- Responsive --- */

@media (min-width: 768px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .pill-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .two-col {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .lab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .cta-actions {
    align-items: flex-end;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (max-width: 767px) {
  /* Mobile nav behavior */
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 56px;
    right: 0;
    left: 0;
    padding: var(--space-md);
    background: #020617;
    border-bottom: 1px solid rgba(31, 41, 55, 0.9);
    flex-direction: column;
    gap: 0.75rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.16s ease, opacity 0.16s ease;
  }

  .main-nav.nav-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle.nav-open span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-toggle.nav-open span:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
  }
}

/* Extra small tweaks */

@media (min-width: 1024px) {
  .hero-copy h1 {
    font-size: 2.7rem;
  }
}

/* --- Page header style (for inner pages) --- */

.page-header {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

.page-header h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.page-header p {
  color: var(--text-muted);
}

/* --- Form styling (Contact page) --- */

.form-card {
  background: radial-gradient(circle at top left, #020617, #020617);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}

.form-intro {
  margin-top: 0.2rem;
  margin-bottom: 1.2rem;
  color: var(--text-muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-field label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--text-soft);
}

.form-field input,
.form-field textarea {
  border-radius: 10px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: #020617;
  color: var(--text-main);
  padding: 0.6rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-soft);
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.4);
  background: #020617;
}

.form-footnote {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--text-soft);
}

/* Form alerts */

.form-alert {
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border: 1px solid;
}

.form-alert-success {
  background: rgba(22, 163, 74, 0.08);
  border-color: rgba(22, 163, 74, 0.6);
  color: #bbf7d0;
}

.form-alert-success h2 {
  margin: 0 0 0.2rem;
  font-size: 1.1rem;
}