/* =========================================================
   LockIn — shared stylesheet
   Dark theme only. Athletic, high-contrast, tight.
   ========================================================= */

:root {
  --bg:          #0A0C0B;   /* carbon black */
  --surface:     #151816;   /* raised charcoal */
  --surface-2:   #1B1E1C;   /* raised charcoal (lighter) */
  --accent:      #C6F135;   /* volt green */
  --accent-dim:  #a9d020;
  --text:        #F4F5F2;   /* off-white */
  --muted:       #9A9E97;   /* cool gray */
  --border:      #24282500; /* transparent default */
  --line:        rgba(244, 245, 242, 0.08);
  --radius:      14px;
  --maxw:        1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: "Barlow Condensed", -apple-system, sans-serif;
  line-height: 1.02;
  margin: 0 0 0.4em;
  letter-spacing: 0.01em;
}

.display {
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  letter-spacing: -0.01em;
}

.section-title {
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  letter-spacing: 0.005em;
}

.eyebrow {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--accent);
  margin: 0 0 0.9rem;
}

.lead {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 46ch;
}

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

.section { padding: 84px 0; }
.section--tight { padding: 56px 0; }

/* ---------- Logo mark ---------- */

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  font-size: 1.45rem;
  letter-spacing: 0.02em;
  color: var(--text);
}
.logo:hover { text-decoration: none; }
.logo svg { display: block; flex: none; }
.logo .brand-accent { color: var(--accent); }

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 12, 11, 0.82);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.98rem;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ---------- Buttons (skewed accent) ---------- */

.btn {
  --skew: -10deg;
  display: inline-block;
  position: relative;
  border: none;
  cursor: pointer;
  background: var(--accent);
  color: #0A0C0B;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.1rem;
  padding: 15px 34px;
  transform: skewX(var(--skew));
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn > span { display: inline-block; transform: skewX(calc(-1 * var(--skew))); }
.btn:hover { background: #d6ff4a; text-decoration: none; }
.btn:active { transform: skewX(var(--skew)) translateY(1px); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  box-shadow: inset 0 0 0 2px var(--line);
}
.btn--ghost:hover { background: var(--surface-2); }

.btn--sm { font-size: 0.95rem; padding: 10px 22px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 96px 0 88px;
  overflow: hidden;
}
.hero::after {
  /* subtle volt accent bar */
  content: "";
  position: absolute;
  right: -120px;
  top: 50%;
  width: 340px;
  height: 340px;
  transform: translateY(-50%) skewX(-10deg);
  background: rgba(198, 241, 53, 0.06);
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero p.lead { margin-top: 1.2rem; }
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 2.2rem;
}
.hero-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 1.2rem;
}

/* ---------- Feature cards ---------- */

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.card h3 {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.35rem;
  margin-bottom: 0.35em;
}
.card p { color: var(--muted); margin: 0; font-size: 0.98rem; }
.card .card-ico {
  width: 42px; height: 42px;
  margin-bottom: 16px;
  color: var(--accent);
}

/* ---------- How it works ---------- */

.steps {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
  counter-reset: step;
}
.step {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 30px 26px;
  position: relative;
}
.step .step-num {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  font-style: italic;
  font-size: 3.4rem;
  line-height: 1;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}
.step h3 {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.35rem;
}
.step p { color: var(--muted); margin: 0; }

/* ---------- Pricing ---------- */

.pricing {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
  max-width: 720px;
  margin: 0 auto;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
}
.price-card.is-featured {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.price-card .plan {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1.5rem;
  letter-spacing: 0.03em;
}
.price-card .amount {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  font-style: italic;
  font-size: 3.2rem;
  line-height: 1.1;
  color: var(--accent);
  margin: 8px 0 2px;
}
.price-card .per { color: var(--muted); font-size: 0.95rem; }
.price-card .tag {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Download callout ---------- */

.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 54px 40px;
  text-align: center;
}
.callout h2 { margin-bottom: 0.5rem; }
.callout p { color: var(--muted); max-width: 50ch; margin: 0 auto 1.8rem; }

/* App Store badge (drawn) */
.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--text);
  color: #0A0C0B;
  border-radius: 12px;
  padding: 12px 22px;
  font-weight: 700;
}
.appstore-badge:hover { text-decoration: none; background: #fff; }
.appstore-badge svg { width: 26px; height: 26px; }
.appstore-badge .b-small { font-size: 0.72rem; display: block; line-height: 1; opacity: 0.8; }
.appstore-badge .b-big {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800; font-size: 1.35rem; line-height: 1.1; display: block;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 46px 0 60px;
  margin-top: 20px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: space-between;
  align-items: center;
}
.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0; padding: 0;
  flex-wrap: wrap;
}
.footer-links a { color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.footer-links a:hover { color: var(--text); text-decoration: none; }
.footer-copy { color: var(--muted); font-size: 0.9rem; }

/* ---------- Legal / content pages ---------- */

.page-head {
  padding: 70px 0 26px;
  border-bottom: 1px solid var(--line);
}
.page-head .display { font-size: clamp(2.4rem, 6vw, 4rem); }
.page-head .updated { color: var(--muted); font-size: 0.92rem; margin-top: 6px; }

.prose {
  max-width: 760px;
  padding: 44px 0 30px;
}
.prose h2 {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.7rem;
  margin-top: 2.2em;
}
.prose h3 {
  font-weight: 700;
  font-size: 1.2rem;
  margin-top: 1.6em;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.prose p, .prose li { color: #d6d8d2; }
.prose ul { padding-left: 1.2em; }
.prose li { margin: 0.4em 0; }
.prose a { text-decoration: underline; }
.prose strong { color: var(--text); }

/* ---------- FAQ ---------- */

.faq { max-width: 780px; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 6px 22px;
  margin-bottom: 12px;
}
.faq details[open] { border-color: rgba(198, 241, 53, 0.35); }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: 1.3rem;
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.6rem;
  font-family: -apple-system, sans-serif;
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { content: "\2212"; }
.faq .faq-body { padding: 0 0 18px; }
.faq .faq-body p { color: var(--muted); margin: 0 0 0.7em; }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* ---------- Contact card ---------- */

.contact-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 34px 30px;
  text-align: center;
  max-width: 560px;
  margin: 34px 0 0;
}
.contact-card .email {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--accent);
}

/* ---------- Divider ---------- */
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .pricing { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .section { padding: 60px 0; }
  .grid, .steps, .grid--2 { grid-template-columns: 1fr; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 0.9rem; }
  .logo { font-size: 1.25rem; }
  .callout { padding: 40px 22px; }
  .hero { padding: 64px 0 56px; }
}

@media (max-width: 440px) {
  .nav-links .nav-hide-sm { display: none; }
}