/* ============================================================
   TEMPO — Remote Running Coaching
   styles.css
   ------------------------------------------------------------
   Mobile-first, dependency-free. Dark/premium/athletic.
   One bright accent (acid lime) used sparingly.
   ============================================================ */

/* Ensure the HTML `hidden` attribute always wins, even if a cascade
   rule sets display on the same element (fixes FAQ accordion in some browsers). */
[hidden] { display: none !important; }

/* ---------- Design tokens ---------- */
:root {
  --bg: #0b0b0c;          /* near-black page background */
  --surface: #151517;      /* cards, raised sections */
  --surface-2: #1e1e21;    /* nested elements, inputs */
  --accent: #ccff33;       /* acid lime — CTAs, stats, 1–2 words */
  --accent-ink: #0b0b0c;   /* text on the lime accent */
  --accent-hover: #d9ff5c; /* slightly intensified accent on hover */
  --text: #f4f4f2;         /* primary text */
  --text-muted: #9a9a98;   /* secondary text, captions */
  --border: rgba(255, 255, 255, 0.08); /* hairline borders */
  --border-strong: rgba(255, 255, 255, 0.16);

  --radius-card: 16px;
  --radius-btn: 10px;

  --maxw: 1200px;
  --pad-x: clamp(1.25rem, 5vw, 2.5rem);
  --section-y: clamp(4rem, 10vw, 8rem);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

/* Visible keyboard focus on every interactive element */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.container.narrow {
  max-width: 760px;
}

.section {
  padding-block: var(--section-y);
}

.section-head {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  max-width: 640px;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
}

.lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-top: 1.25rem;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.18s ease,
    border-color 0.18s ease, color 0.18s ease;
  will-change: transform;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 999px; /* pill for primary CTA */
  padding-inline: 1.6rem;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  border-color: var(--text);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-lg {
  font-size: 1.0625rem;
  padding: 1.05rem 2.2rem;
}

/* ---------- Wordmark ---------- */
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

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

/* ============================================================
   NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 11, 12, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.nav-links {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.nav-links a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  transition: color 0.18s ease;
}

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

.nav-cta {
  font-size: 0.875rem;
  padding: 0.65rem 1.25rem;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  margin-inline: auto;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Animate hamburger into an X when open */
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(88vh, 760px);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

/* Dark gradient overlay keeps the white headline readable */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 11, 12, 0.55) 0%,
    rgba(11, 11, 12, 0.4) 40%,
    rgba(11, 11, 12, 0.92) 100%
  );
}

.hero-content {
  position: relative;
  padding-block: clamp(3rem, 8vw, 6rem);
  max-width: 760px;
}

.hero-title {
  font-size: clamp(2.75rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin-bottom: 1.5rem;
}

.hero-subhead {
  font-size: clamp(1.0625rem, 2.2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.social-proof {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  border-block: 1px solid var(--border);
  background: var(--surface);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3rem);
  padding-block: clamp(3rem, 7vw, 5rem);
  text-align: center;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.75rem, 7vw, 4rem);
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 22ch;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.how-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.how-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.how-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}

.how-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.how-card p {
  color: var(--text-muted);
}

/* ============================================================
   WHAT'S INCLUDED
   ============================================================ */
.included-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 3.5vw, 2rem);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.value-title {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.value-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================================================
   MEET THE COACH
   ============================================================ */
.coach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.coach-photo-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
}

.coach-photo {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.credentials li {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
}

/* ============================================================
   RESULTS / TESTIMONIALS
   ============================================================ */
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.testimonial {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: clamp(1.75rem, 4vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.testimonial:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.stars {
  color: var(--accent);
  letter-spacing: 0.1em;
  font-size: 0.95rem;
}

.testimonial blockquote {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.5;
}

.testimonial figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-top: auto;
}

.t-name {
  font-weight: 600;
}

.t-role {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
}

.price-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: clamp(1.75rem, 4vw, 2.25rem);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.price-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

/* Highlighted middle tier */
.price-card--featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.price-badge {
  position: absolute;
  top: -0.85rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  white-space: nowrap;
}

.price-name {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.price-amt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

.price-per {
  color: var(--text-muted);
  font-size: 1rem;
}

.price-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.price-features li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.95rem;
  color: var(--text);
}

/* Lime check marks */
.price-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1rem;
  height: 1rem;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E")
    no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E")
    no-repeat center / contain;
}

.price-cta {
  margin-top: auto;
  width: 100%;
}

.pricing-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 2rem;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-q-wrap {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  font-family: inherit;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.4rem 0;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.0625rem, 2.2vw, 1.2rem);
  color: var(--text);
  transition: color 0.18s ease;
}

.faq-q:hover {
  color: var(--accent);
}

/* Plus / minus icon */
.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.faq-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.faq-icon::after {
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

/* Collapse vertical bar when open -> turns + into - */
.faq-q[aria-expanded="true"] .faq-icon::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.faq-a {
  padding-bottom: 1.4rem;
  color: var(--text-muted);
  max-width: 60ch;
}

/* ============================================================
   FINAL CTA BAND
   ============================================================ */
.cta-band {
  background: var(--accent);
  color: var(--accent-ink);
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.cta-inner {
  text-align: center;
  max-width: 720px;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.cta-sub {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: rgba(11, 11, 12, 0.75);
  margin-bottom: 2rem;
}

/* On the lime band, the primary button inverts to dark */
.cta-band .btn-primary {
  background: var(--accent-ink);
  color: var(--text);
}

.cta-band .btn-primary:hover {
  background: #000;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.75rem;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  color: var(--text);
  font-size: 0.95rem;
  transition: color 0.18s ease;
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ============================================================
   SCROLL-REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE — tablet & up
   ============================================================ */
@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 900px) {
  .how-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  /* Lift the featured tier slightly on desktop */
  .price-card--featured {
    transform: translateY(-12px);
  }
  .price-card--featured:hover {
    transform: translateY(-16px);
  }

  .coach-grid {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ============================================================
   MOBILE NAV (below 900px the menu collapses)
   ============================================================ */
@media (max-width: 899px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
    padding: 2rem var(--pad-x) 2.5rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);

    /* Hidden until toggled */
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .nav-menu.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    gap: 1.25rem;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .nav-cta {
    align-self: flex-start;
  }
}

/* ============================================================
   REDUCED MOTION — turn animations off when requested
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}