/* ============================================
   Coach Rhinoce — Design System
   Dark-mode-first, Linear-inspired, warm accent
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: #08090a;
  color: #d0d3d8;
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
  overflow-x: hidden;
}

/* ---------- Colors ---------- */
:root {
  --bg-primary: #08090a;
  --bg-surface: #0f1011;
  --bg-elevated: #161719;
  --bg-hover: #1c1d20;
  --bg-input: #0f1011;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text-primary: #f7f8f8;
  --text-secondary: #a1a5ab;
  --text-tertiary: #6b6f76;
  --text-disabled: #474a4f;

  --accent: #c76f2f;
  --accent-hover: #dd7a38;
  --accent-pressed: #b5652a;
  --accent-glow: rgba(199, 111, 47, 0.12);
  --accent-glow-strong: rgba(199, 111, 47, 0.25);

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 56px;
  background: rgba(8, 9, 10, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.1px;
  transition: color 0.15s;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-cta {
  color: var(--text-primary);
  background: var(--accent);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.1px;
  transition: background 0.15s, transform 0.15s;
}

.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.nav-cta .arrow {
  margin-left: 2px;
  transition: transform 0.15s;
}

.nav-cta:hover .arrow {
  transform: translateX(2px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 32px 80px;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-ghost {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
}

.hero-ghost img {
  width: 500px;
  height: 500px;
  max-width: 80vw;
  max-height: 80vw;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.2px;
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(38px, 6vw, 60px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 22px;
}

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

.hero-subtitle {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  letter-spacing: -0.1px;
  margin-bottom: 36px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 14px;
}

.hero-confidence {
  font-size: 13px;
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: 52px;
  letter-spacing: -0.1px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(232, 93, 58, 0.3);
}

.btn-primary .arrow {
  transition: transform 0.15s;
}

.btn-primary:hover .arrow {
  transform: translateX(2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.2px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--border-strong);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.hero-stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 3px;
}

.hero-stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border-subtle);
}

/* Hero trust stripe */
.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.trust-stars {
  font-size: 14px;
  color: #f59e0b;
  letter-spacing: 1px;
  line-height: 1;
}

.trust-text {
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.trust-divider {
  color: var(--border-strong);
  font-size: 14px;
}

/* Hero background rings */
.hero-graphic {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
}

.hero-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.04);
  width: 600px;
  height: 600px;
}

.hero-ring-2 {
  width: 900px;
  height: 900px;
  border-color: rgba(255, 255, 255, 0.025);
}

.hero-ring-3 {
  width: 1200px;
  height: 1200px;
  border-color: rgba(255, 255, 255, 0.015);
}

/* ---------- Sections ---------- */
.section {
  padding: 120px 32px;
}

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

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-heading {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
  letter-spacing: -0.1px;
}

/* ---------- Steps Grid ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: border-color 0.2s, background 0.2s;
}

.step-card:hover {
  border-color: var(--border-default);
  background: var(--bg-hover);
}

.step-number {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.step-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 93, 58, 0.08);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: 18px;
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color 0.2s, background 0.2s;
}

.feature-card:hover {
  border-color: var(--border-default);
  background: var(--bg-elevated);
}

.feature-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 14px;
  opacity: 0.85;
}

.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ---------- Garmin Section ---------- */
.garmin-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.garmin-text .section-heading,
.garmin-text .section-subtitle {
  margin-left: 0;
  max-width: none;
}

.garmin-text .section-subtitle {
  margin-bottom: 24px;
}

.garmin-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}

.garmin-list li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Device integration badges */
.device-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.device-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-hover);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.1px;
}

.device-badge-icon {
  font-size: 14px;
  line-height: 1;
}

.garmin-check {
  color: var(--accent);
  font-weight: 600;
  margin-right: 8px;
}

.garmin-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.garmin-glow {
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-glow-strong) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.garmin-mockup {
  position: relative;
  z-index: 1;
  width: 280px;
  background: #0c0d0f;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.garmin-mock-header {
  display: flex;
  gap: 6px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.garmin-mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-default);
}

.garmin-mock-body {
  padding: 14px 16px;
}

.garmin-mock-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.garmin-mock-row:last-child {
  border-bottom: none;
}

.garmin-mock-label {
  font-size: 13px;
  color: var(--text-tertiary);
}

.garmin-mock-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.garmin-mock-value.good {
  color: #34d399;
}

.garmin-mock-value.warn {
  color: #f59e0b;
}

.garmin-mock-footer {
  padding: 12px 16px;
  background: var(--accent);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  text-align: center;
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color 0.2s;
}

.testimonial-card:hover {
  border-color: var(--border-default);
}

.testimonial-stars {
  font-size: 15px;
  color: #f59e0b;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.testimonial-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: rgba(232, 93, 58, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.1px;
}

.testimonial-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 1px;
}

/* Alpha CTA block (replaces testimonials) */
.cta-block {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 0;
}

.cta-text {
  max-width: 560px;
}

.cta-text .section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

/* ---------- CTA / Signup ---------- */
.cta-block {
  max-width: 640px;
  margin: 0 auto;
}

.cta-text {
  text-align: center;
  margin-bottom: 40px;
}

.signup-form {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px;
}

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

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

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.1px;
}

.form-optional {
  color: var(--text-tertiary);
  font-weight: 400;
}

.form-input {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text-primary);
  letter-spacing: -0.1px;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  width: 100%;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%236b6f76' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

select.form-input option {
  background: #161719;
  color: var(--text-primary);
}

.form-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 14px;
}

/* Success state */
.signup-success {
  text-align: center;
  padding: 40px 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
}

.success-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.12);
  color: #34d399;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 16px;
}

.signup-success h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.signup-success p {
  font-size: 15px;
  color: var(--text-secondary);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 56px 32px 32px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.footer-brand {
  max-width: 260px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.2px;
  margin-bottom: 10px;
}

.footer-logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-heading {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.1px;
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 13px;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.15s;
}

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

.footer-bottom {
  max-width: 1080px;
  margin: 32px auto 0;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 12px;
  color: var(--text-disabled);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .garmin-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .garmin-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero {
    min-height: auto;
    padding: 100px 24px 60px;
  }
  .section {
    padding: 72px 24px;
  }
  .steps-grid,
  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }
  .hero-stat-divider {
    width: 40px;
    height: 1px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    gap: 32px;
  }
  .footer-links {
    gap: 40px;
  }
  .garmin-list {
    grid-template-columns: 1fr;
  }
  .garmin-mockup {
    width: 240px;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 32px;
  }
  .section-heading {
    font-size: 26px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .signup-form {
    padding: 20px 16px;
  }
}