/* ============================================================
   24G.mobi PT — Bold Minimalist Archetype
   Palette: near-black bg, white text, electric crimson accent
   ============================================================ */

:root {
  --accent:   #E8213A;
  --accent-2: #FF6B35;
  --bg:       #0D0D0D;
  --surface:  #181818;
  --surface-2:#222222;
  --fg:       #F2F2F2;
  --muted:    #888888;
  --border:   #2E2E2E;
  --radius:   4px;
  --max-w:    1140px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Helvetica, Arial, sans-serif;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.65;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

h1, h2, h3, h4 {
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p + p { margin-top: .85em; }

/* ── Utility ──────────────────────────────────────────────── */
.text-note {
  font-size: .88rem;
  color: var(--muted);
  margin-top: .85em;
}

/* ── Layout helpers ───────────────────────────────────────── */
.container {
  width: min(100% - 2.5rem, var(--max-w));
  margin-inline: auto;
}

section { padding-block: clamp(3.5rem, 7vw, 6rem); }

.section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: .75em 1.85em;
  font-weight: 700;
  font-size: .95rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity .2s, transform .15s;
  letter-spacing: .02em;
}
.btn:hover { opacity: .88; transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--fg);
  border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ── Header / Nav ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}

.wordmark {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--fg);
  letter-spacing: -.03em;
}
.wordmark span { color: var(--accent); }

.site-nav ul {
  list-style: none;
  display: flex;
  gap: clamp(.8rem, 2vw, 2rem);
}

.site-nav a {
  color: var(--muted);
  font-size: .88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  transition: color .2s;
}
.site-nav a:hover { color: var(--fg); text-decoration: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--fg);
  transition: transform .3s, opacity .3s;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding-block: clamp(4rem, 10vw, 8rem);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 80% 50%, rgba(232,33,58,.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: .3em .9em;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  margin-bottom: 1.2rem;
}
.hero-title .highlight { color: var(--accent); }

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--muted);
  max-width: 42ch;
  margin-bottom: 2.2rem;
  line-height: 1.7;
}

.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.2rem;
  position: relative;
}
.hero-card:first-child {
  grid-column: span 2;
  border-left: 3px solid var(--accent);
}
.hero-card-label {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: .4rem;
}
.hero-card-value {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--fg);
}
.hero-card-sub { font-size: .8rem; color: var(--muted); margin-top: .2rem; }

/* ── Features / Categories ────────────────────────────────── */
#features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-header {
  max-width: 55ch;
  margin-bottom: 3rem;
}
.features-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: .6rem; }
.features-header p { color: var(--muted); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5px;
  border: 1.5px solid var(--border);
}

.feature-item {
  background: var(--bg);
  padding: 1.6rem 1.4rem;
  border: none;
  position: relative;
  transition: background .2s;
}
.feature-item:hover { background: var(--surface-2); }

.feature-icon {
  font-size: 1.7rem;
  margin-bottom: .7rem;
  line-height: 1;
}
.feature-item h3 {
  font-size: .95rem;
  font-weight: 800;
  margin-bottom: .35rem;
  color: var(--fg);
}
.feature-item p { font-size: .82rem; color: var(--muted); line-height: 1.55; }

/* ── How It Works ─────────────────────────────────────────── */
.hiw-header {
  text-align: center;
  max-width: 50ch;
  margin: 0 auto 3.5rem;
}
.hiw-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: .6rem; }
.hiw-header p { color: var(--muted); }

.steps-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
  gap: 0;
}

.steps-track::before {
  content: "";
  position: absolute;
  top: 2.3rem;
  left: calc(12.5%);
  right: calc(12.5%);
  height: 1px;
  background: var(--border);
  z-index: 0;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1rem;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
  font-size: 1rem;
  margin-bottom: 1.1rem;
  border: 2px solid var(--border);
  background: var(--bg);
  color: var(--muted);
}
.step.active .step-num {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.step h3 {
  font-size: .95rem;
  font-weight: 800;
  margin-bottom: .4rem;
}
.step p { font-size: .82rem; color: var(--muted); }

/* ── Use Cases ────────────────────────────────────────────── */
#use-cases {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.uc-header {
  margin-bottom: 2.5rem;
}
.uc-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: .6rem; }
.uc-header p { color: var(--muted); max-width: 55ch; }

.uc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--border);
}

.uc-item {
  background: var(--bg);
  padding: 2rem 1.8rem;
  border: none;
}
.uc-item:hover { background: var(--surface-2); }

.uc-tag {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  background: rgba(232,33,58,.1);
  border: 1px solid rgba(232,33,58,.25);
  padding: .2em .7em;
  border-radius: 2px;
  margin-bottom: .8rem;
}
.uc-item h3 {
  font-size: 1.15rem;
  font-weight: 900;
  margin-bottom: .5rem;
}
.uc-item p { font-size: .88rem; color: var(--muted); }

/* ── Benefits ─────────────────────────────────────────────── */
.benefits-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.benefits-text h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 1rem; }
.benefits-text p { color: var(--muted); }

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--border);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.3rem 1.4rem;
  background: var(--surface);
  transition: background .2s;
}
.benefit-item:hover { background: var(--surface-2); }

.benefit-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: .1rem;
  line-height: 1;
}
.benefit-item h4 {
  font-size: .92rem;
  font-weight: 800;
  margin-bottom: .25rem;
}
.benefit-item p { font-size: .82rem; color: var(--muted); }

/* ── Pricing ──────────────────────────────────────────────── */
#pricing {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-header {
  text-align: center;
  max-width: 50ch;
  margin: 0 auto 3rem;
}
.pricing-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: .6rem; }
.pricing-header p { color: var(--muted); }

.pricing-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 2.5rem 2.2rem;
}

.pricing-badge {
  display: inline-block;
  background: rgba(232,33,58,.1);
  border: 1px solid rgba(232,33,58,.3);
  color: var(--accent);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: .25em .85em;
  border-radius: 2px;
  margin-bottom: 1.2rem;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: .5rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: .4rem;
  margin: 1rem 0 .5rem;
}
.price-main {
  font-size: clamp(2.8rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--fg);
  letter-spacing: -.03em;
}
.price-cadence {
  font-size: .9rem;
  color: var(--muted);
}
.price-note { font-size: .78rem; color: var(--muted); margin-bottom: 1.5rem; }

.pricing-divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

.pricing-details { font-size: .88rem; color: var(--muted); line-height: 1.7; }
.pricing-details strong { color: var(--fg); }

/* ── Disclaimer ───────────────────────────────────────────── */
#disclaimer {
  border-top: 1px solid var(--border);
}

.disclaimer-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 2rem 2rem;
  border-radius: var(--radius);
}

.disclaimer-box h2 {
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 1.2rem;
  color: var(--fg);
}

.disclaimer-box p {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.7;
}
.disclaimer-box p + p { margin-top: .75rem; }

.entity-disclosure {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  font-size: .78rem;
  color: var(--muted);
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.footer-copy {
  font-size: .8rem;
  color: var(--muted);
}
.footer-copy strong { color: var(--fg); }

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}
.footer-links a {
  font-size: .78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
}
.footer-links a:hover { color: var(--fg); }

/* ── Sub-pages ────────────────────────────────────────────── */
.subpage-body {
  max-width: 780px;
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 5rem) 1.25rem;
}

.subpage-body h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.subpage-body h2 {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 2.2rem 0 .7rem;
  color: var(--fg);
}

.subpage-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.5rem 0 .5rem;
  color: var(--fg);
}

.subpage-body p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.75;
}
.subpage-body p + p { margin-top: .75rem; }

.subpage-body ul,
.subpage-body ol {
  margin: .6rem 0 .6rem 1.4rem;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.7;
}

.subpage-body li + li { margin-top: .3rem; }

.subpage-body a { color: var(--accent); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: 3rem;
  font-size: .85rem;
  font-weight: 700;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.back-link:hover { color: var(--fg); text-decoration: none; }

.entity-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 1.4rem 1.6rem;
  margin-bottom: 2rem;
  border-radius: var(--radius);
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── Contact page ─────────────────────────────────────────── */
.contact-section { margin-bottom: 2.5rem; }

/* ── Mobile nav open state ────────────────────────────────── */
.site-nav.open ul {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1rem 0;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .steps-track { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .steps-track::before { display: none; }
  .uc-grid { grid-template-columns: 1fr; }
  .benefits-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-nav ul { display: none; }
  .site-nav.open ul {
    display: flex;
    position: absolute;
    top: 62px;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem 1.5rem;
  }
  .site-nav { position: static; }
  .nav-toggle { display: flex; }
  .header-inner { position: relative; }

  .steps-track { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .hero-ctas { flex-direction: column; }
  .pricing-card { padding: 1.8rem 1.4rem; }
}
