/* ============================================================
   EBRA — E-Bike Riders of America
   Design: dark + electric blue/green accent, modern, clean
   ============================================================ */

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

:root {
  --bg:          #090D18;
  --bg-card:     #111827;
  --bg-card-alt: #0F1A2E;
  --border:      rgba(255,255,255,0.07);
  --blue:        #00D4FF;
  --blue-dim:    rgba(0,212,255,0.12);
  --green:       #00FF88;
  --green-dim:   rgba(0,255,136,0.10);
  --text:        #E8EDF5;
  --text-muted:  rgba(232,237,245,0.55);
  --radius:      14px;
  --radius-sm:   8px;
  --max-w:       1100px;
  --section-pad: 96px 0;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; }

a { color: inherit; text-decoration: none; }

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

/* --- Typography ------------------------------------------- */
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 48px;
}

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 12px 26px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: #050a12;
}
.btn-primary:hover { background: #33ddff; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,212,255,0.35); }

.btn-secondary {
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
}
.btn-secondary:hover { background: var(--green-dim); transform: translateY(-1px); }

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.10); }

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}
.btn-outline:hover { background: var(--blue-dim); transform: translateY(-1px); }

.btn-nav {
  background: var(--blue-dim);
  color: var(--blue);
  border: 1px solid rgba(0,212,255,0.3);
  padding: 9px 20px;
  font-size: 0.82rem;
}
.btn-nav:hover { background: rgba(0,212,255,0.2); }

.btn-full { width: 100%; }

/* --- Nav -------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(9,13,24,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-wordmark {
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--blue);
}

/* --- Hero ------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(0,212,255,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0,255,136,0.05) 0%, transparent 60%),
    linear-gradient(180deg, #090D18 0%, #0A1020 100%);
  z-index: 0;
}

/* Grid overlay */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 30%, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 30%, black 70%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 820px;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 18px;
  opacity: 0.8;
}

.hero-headline {
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 40%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* --- Section: Advantages ---------------------------------- */
.section {
  padding: var(--section-pad);
}

.section-advantages {
  background: var(--bg);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 20px;
}

.advantage-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.advantage-card:hover {
  border-color: rgba(0,212,255,0.25);
  transform: translateY(-2px);
}

.advantage-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--blue-dim);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #fff;
}

.advantage-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --- Section: Chapters ------------------------------------ */
.section-chapters {
  background: var(--bg-card-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.chapters-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.chapters-map {
  position: relative;
}

.us-map {
  width: 100%;
  height: auto;
  max-height: 380px;
}

.map-country {
  fill: #0F2040;
  stroke: #1E3A5F;
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.map-marker .pulse-ring {
  animation: pulse 2.5s ease-in-out infinite;
  transform-origin: 0 0;
}

@keyframes pulse {
  0%, 100% { r: 20; opacity: 0.15; }
  50%       { r: 28; opacity: 0.06; }
}

.chapters-text .section-title { margin-top: 10px; }

.chapters-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.chapters-text strong { color: var(--text); }

.chapters-text .btn-outline { margin-top: 8px; }

/* --- Section: Plans --------------------------------------- */
.section-plans { background: var(--bg); }

.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.2s;
}

.plan-card:hover { border-color: rgba(0,212,255,0.2); }

.plan-featured {
  border-color: rgba(0,212,255,0.4);
  background: linear-gradient(160deg, #0F1E38 0%, var(--bg-card) 60%);
  box-shadow: 0 0 40px rgba(0,212,255,0.08), inset 0 1px 0 rgba(0,212,255,0.15);
}

.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: #050a12;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 50px;
  white-space: nowrap;
}

.plan-name {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 12px;
}

.plan-amount {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--blue);
  letter-spacing: -0.02em;
}

.plan-featured .plan-amount { color: var(--blue); }
.plan-card:not(.plan-featured) .plan-amount { color: var(--green); }

.plan-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
  flex-grow: 1;
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text);
}

.plan-features svg { flex-shrink: 0; }

/* --- Section: FAQ ----------------------------------------- */
.section-faq {
  background: var(--bg-card-alt);
  border-top: 1px solid var(--border);
}

.faq-container { max-width: 720px; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  background: var(--bg-card);
  color: var(--text);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  transition: background 0.2s;
}

.faq-question:hover { background: rgba(255,255,255,0.03); }
.faq-question[aria-expanded="true"] { background: var(--blue-dim); color: var(--blue); }

.faq-chevron {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.faq-question[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
  color: var(--blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
  background: var(--bg-card);
}

.faq-answer.open {
  max-height: 300px;
  padding: 0 24px 22px;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  padding-top: 4px;
}

/* --- Section: Contact ------------------------------------- */
.section-contact {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.contact-container { max-width: 680px; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  padding: 11px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(232,237,245,0.25); }

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(0,212,255,0.45);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
}

.form-note {
  font-size: 0.85rem;
  color: var(--green);
  min-height: 1.2em;
}

/* --- Footer ----------------------------------------------- */
.footer {
  background: #060A14;
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(232,237,245,0.25);
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 860px) {
  .advantages-grid { grid-template-columns: 1fr; }

  .chapters-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .chapters-map { order: 2; }
  .chapters-text { order: 1; }

  .plans-grid { grid-template-columns: 1fr; max-width: 420px; }

  .plan-featured { order: -1; }
}

@media (max-width: 600px) {
  :root { --section-pad: 64px 0; }

  .hero { padding: 80px 20px 48px; }

  .hero-headline { font-size: 2.4rem; }

  .hero-ctas { flex-direction: column; align-items: center; }

  .form-row { grid-template-columns: 1fr; }

  .footer-inner { justify-content: center; text-align: center; }
}