/* ============================================================
   AVUS SYSTEMS — DESIGN SYSTEM
   Brand: #0A1628 navy | #6B8FE8 blue | #FFFFFF white
   Fonts: Manrope (headlines) · Inter (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@600;700;800;900&display=swap');

/* ——— Variables ——— */
:root {
  --navy-darkest:   #030e20;
  --navy-dim:       #071325;
  --navy-base:      #0A1628;
  --navy-mid:       #101c2e;
  --navy-secondary: #0F2040;
  --navy-surface:   #142032;
  --navy-high:      #1f2a3d;
  --navy-highest:   #2a3548;
  --accent:         #6B8FE8;
  --accent-light:   #B1C5FF;
  --text-primary:   #d7e3fc;
  --text-muted:     #c4c6d3;
  --text-faint:     #8b96ad;
  --outline:        #434652;
  --max-width:      1440px;
  --px:             3rem;
  --py:             5.5rem;
}

/* ——— Reset ——— */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--navy-dim);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
p { color: var(--text-muted); line-height: 1.75; }

/* ——— Typography ——— */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #fff;
}
h1 { font-size: clamp(2.5rem, 5.5vw, 4.75rem); }
h2 { font-size: clamp(1.875rem, 3.2vw, 2.75rem); }
h3 { font-size: clamp(1.125rem, 1.8vw, 1.375rem); }

/* ══════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════ */
header {
  background: rgba(10, 22, 40, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  position: sticky;
  top: 0;
  z-index: 300;
  width: 100%;
  border-bottom: 1px solid rgba(107, 143, 232, 0.08);
  box-shadow: 0 1px 0 rgba(107, 143, 232, 0.06);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem var(--px);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { display: flex; align-items: center; }
.logo img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-menu { display: flex; gap: 2.25rem; align-items: center; }

.nav-menu a {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s;
  white-space: nowrap;
}

.nav-menu a:hover { color: #fff; }

.nav-menu a.active {
  color: #fff;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  padding: 0.25rem;
  transition: color 0.2s;
}
.nav-toggle:hover { color: #fff; }

/* ══════════════════════════════════════════
   LAYOUT
══════════════════════════════════════════ */
main { width: 100%; }

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

section {
  width: 100%;
  padding: var(--py) 0;
}

/* ——— Section Labels ——— */
.section-label {
  display: inline-flex;
  font-family: 'Manrope', sans-serif;
  font-size: 0.625rem;
  font-weight: 900;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  background: rgba(107, 143, 232, 0.1);
  border: 1px solid rgba(107, 143, 232, 0.2);
  padding: 0.375rem 0.875rem;
  border-radius: 2rem;
}

/* ——— Section Header with divider ——— */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3.5rem;
  gap: 1.5rem;
}

.section-header-divider {
  flex-grow: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(107, 143, 232, 0.2), transparent);
  margin: 0 1.5rem 0.5rem;
}

/* ——— Centered Section Header ——— */
.section-center {
  text-align: center;
  margin-bottom: 4.5rem;
}
.section-center .section-label { margin-left: auto; margin-right: auto; display: inline-flex; }
.section-center h2 { margin-bottom: 1rem; }
.section-center p { max-width: 580px; margin: 0 auto; font-size: 1.0625rem; }

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 6rem var(--px);
  background-color: var(--navy-dim);
}

/* Decorative blue glow — top right */
.hero::after {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(107, 143, 232, 0.15) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* Home hero bg — CSS file is at assets/css/, images at assets/images/ */
.hero-home {
  background:
    linear-gradient(105deg, rgba(7, 19, 37, 0.88) 45%, rgba(10, 22, 40, 0.55) 100%),
    url('../images/avus-home-hero-background.png') center / cover no-repeat;
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-content { max-width: 700px; }

.hero h1 {
  font-size: clamp(2.75rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.045em;
  color: #fff;
  margin-bottom: 1.5rem;
}

.hero h1 .hero-accent,
.hero h1 span.hero-accent { color: var(--accent); }

.hero p {
  font-size: clamp(1rem, 1.6vw, 1.1875rem);
  line-height: 1.7;
  color: rgba(196, 198, 211, 0.9);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ══════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════ */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  padding: 0.875rem 2.25rem;
  border-radius: 8px;
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: none;
  transition: filter 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(107, 143, 232, 0.35), 0 1px 3px rgba(0,0,0,0.3);
  white-space: nowrap;
}
.cta-button:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(107, 143, 232, 0.45), 0 2px 6px rgba(0,0,0,0.3);
  color: #fff;
}
.cta-button:active { transform: translateY(0); }

.cta-button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255,255,255,0.85);
  padding: 0.875rem 2.25rem;
  border-radius: 8px;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.cta-button-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}

/* ══════════════════════════════════════════
   WHAT WE POWER  — tiles
══════════════════════════════════════════ */
.what-we-power { background: var(--navy-base); }

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.tile {
  background: var(--navy-secondary);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  overflow: hidden;
  transition: background 0.4s, transform 0.3s, box-shadow 0.3s;
}

.tile:hover {
  background: var(--navy-surface);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

/* tile with image */
.tile > img,
.tile .tile-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: grayscale(100%) brightness(0.7);
  transition: filter 0.6s;
  display: block;
}
.tile:hover > img,
.tile:hover .tile-img { filter: grayscale(0) brightness(0.9); }

/* tile text area */
.tile > img + h3,
.tile > h3 {
  padding: 1.625rem 1.625rem 0;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.tile > p {
  padding: 0.625rem 1.625rem 1.625rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* tiles that only have h3+p (no image) */
.tile:not(:has(img)) {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.tile:not(:has(img)) h3 { padding: 0; }
.tile:not(:has(img)) p  { padding: 0; }

.closing-line {
  font-style: italic;
  margin-top: 2.5rem;
  text-align: center;
  color: var(--text-faint);
  font-size: 1rem;
}

/* ══════════════════════════════════════════
   HOW IT WORKS — steps
══════════════════════════════════════════ */
.how-it-works {
  background: var(--navy-secondary);
  position: relative;
  overflow: hidden;
}

/* Decorative glows */
.how-it-works::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 480px; height: 480px;
  background: radial-gradient(ellipse, rgba(107, 143, 232, 0.12) 0%, transparent 65%);
  pointer-events: none;
}
.how-it-works::after {
  content: '';
  position: absolute;
  bottom: -120px; left: -120px;
  width: 380px; height: 380px;
  background: radial-gradient(ellipse, rgba(107, 143, 232, 0.07) 0%, transparent 65%);
  pointer-events: none;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.steps-4 { grid-template-columns: repeat(4, 1fr); }

.step {
  position: relative;
  padding: 2rem;
  background: rgba(7, 19, 37, 0.5);
  border: 1px solid rgba(107, 143, 232, 0.1);
  border-radius: 10px;
  transition: background 0.3s, border-color 0.3s;
}
.step:hover {
  background: rgba(7, 19, 37, 0.75);
  border-color: rgba(107, 143, 232, 0.25);
}

/* Ghost number behind */
.step::before {
  content: attr(data-step);
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  font-family: 'Manrope', sans-serif;
  font-size: 6rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
  opacity: 0.06;
  letter-spacing: -0.05em;
  pointer-events: none;
  user-select: none;
}

.step-number {
  display: block;
  font-family: 'Manrope', sans-serif;
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.05em;
}

.step h3 {
  font-size: 1.1875rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.625rem;
  letter-spacing: -0.02em;
}

.step p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ══════════════════════════════════════════
   WHY AVUS — features
══════════════════════════════════════════ */
.why-avus { background: var(--navy-dim); }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.feature {
  background: var(--navy-secondary);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 1.75rem 1.75rem 1.75rem 1.75rem;
  transition: background 0.3s, transform 0.3s;
}
.feature:hover {
  background: var(--navy-surface);
  transform: translateX(3px);
}

.feature h3 {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--accent-light);
  margin-bottom: 0.625rem;
  letter-spacing: -0.02em;
}
.feature p { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.65; }

/* ══════════════════════════════════════════
   THE OPPORTUNITY
══════════════════════════════════════════ */
.the-opportunity { position: relative; }

blockquote {
  font-size: 1.0625rem;
  font-style: italic;
  margin: 2.5rem 0 0;
  padding: 1.5rem 2rem;
  background: rgba(107, 143, 232, 0.07);
  border-left: 3px solid var(--accent);
  color: var(--text-primary);
  border-radius: 0 8px 8px 0;
  line-height: 1.7;
}

/* ══════════════════════════════════════════
   FORMS
══════════════════════════════════════════ */
.get-early-access   { background: var(--navy-base); }
.waitlist-form      { background: var(--navy-base); }
.contact-form-section { background: var(--navy-dim); }

/* Form card panel */
.early-access-form {
  max-width: 620px;
  margin: 3rem auto 0;
  background: var(--navy-secondary);
  border: 1px solid rgba(107, 143, 232, 0.12);
  border-radius: 16px;
  padding: 2.5rem 2.5rem 2rem;
}

.form-group { margin-bottom: 1.375rem; }

label {
  display: block;
  font-family: 'Manrope', sans-serif;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

input, select, textarea {
  width: 100%;
  padding: 0.8125rem 1rem;
  background: var(--navy-mid);
  border: 1px solid rgba(67, 70, 82, 0.4);
  border-radius: 8px;
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
input::placeholder, textarea::placeholder { color: rgba(139, 150, 173, 0.5); }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(107, 143, 232, 0.15);
}

select { appearance: none; -webkit-appearance: none; cursor: pointer; }
textarea { resize: vertical; min-height: 110px; }

button.cta-button,
.cta-button[type="submit"] {
  width: 100%;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 1rem 2rem;
  margin-top: 0.5rem;
  border-radius: 8px;
}

.fine-print {
  font-size: 0.8125rem;
  color: var(--text-faint);
  margin-top: 1rem;
  text-align: center;
  line-height: 1.5;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: 0.5rem;
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
}
.checkbox-group input[type="checkbox"] {
  width: 1.0625rem;
  height: 1.0625rem;
  padding: 0;
  accent-color: var(--accent);
  border-radius: 3px;
}

/* ——— Section Image ——— */
.section-image {
  width: 100%;
  max-width: 900px;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: 12px;
  margin: 2.5rem auto;
  display: block;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

/* ══════════════════════════════════════════
   FOR BUSINESS — specific sections
══════════════════════════════════════════ */
.who-this-is-for       { background: var(--navy-dim); }
.the-platform          { background: var(--navy-secondary); }
.how-we-work-together  { background: var(--navy-dim); }
.the-golf-league-advantage { background: var(--navy-secondary); }
.faq                   { background: var(--navy-base); }

/* ——— FAQ accordion ——— */
.faq > .container > h2 { margin-bottom: 2.5rem; }

details {
  border-bottom: 1px solid rgba(67, 70, 82, 0.25);
  padding: 1.25rem 0;
}
details:first-of-type {
  border-top: 1px solid rgba(67, 70, 82, 0.25);
  margin-top: 2.5rem;
}

details summary {
  cursor: pointer;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  letter-spacing: -0.015em;
  transition: color 0.2s;
}
details summary::-webkit-details-marker { display: none; }
details:hover summary { color: var(--accent-light); }

details summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
  font-weight: 300;
  line-height: 1;
  transition: transform 0.25s;
}
details[open] summary::after { transform: rotate(45deg); }

details p {
  margin-top: 0.875rem;
  padding-bottom: 0.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ══════════════════════════════════════════
   PLAY PAGE — specific sections
══════════════════════════════════════════ */
.new-to-simulator-golf { background: var(--navy-dim); }
.compete               { background: var(--navy-secondary); }
.find-a-location       { background: var(--navy-dim); }

.new-to-simulator-golf ul {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.new-to-simulator-golf ul li {
  padding-left: 1.75rem;
  position: relative;
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.65;
}
.new-to-simulator-golf ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.status-callout {
  background: rgba(107, 143, 232, 0.08);
  border: 1px solid rgba(107, 143, 232, 0.2);
  padding: 1.5rem 2rem;
  border-radius: 10px;
  text-align: center;
  margin: 2rem 0;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  color: var(--accent-light);
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
}

.find-a-location a { color: var(--accent); font-weight: 600; transition: color 0.2s; }
.find-a-location a:hover { color: var(--accent-light); }

/* ══════════════════════════════════════════
   ABOUT PAGE — specific sections
══════════════════════════════════════════ */
.our-name          { background: var(--navy-dim); }
.our-story         { background: var(--navy-secondary); }
.the-team          { background: var(--navy-dim); }
.what-we-believe   { background: var(--navy-secondary); }
.where-were-headed { background: var(--navy-dim); }

.closing-cta {
  background: var(--navy-secondary);
  text-align: center;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* Founders grid */
.founders {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.founder {
  background: var(--navy-secondary);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 1.75rem;
  transition: background 0.3s, transform 0.3s;
}
.founder:hover {
  background: var(--navy-surface);
  transform: translateX(3px);
}

.founder h3 {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--accent-light);
  margin-bottom: 0.625rem;
  letter-spacing: -0.02em;
}
.founder p { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.7; }

/* ══════════════════════════════════════════
   CONTACT PAGE — specific sections
══════════════════════════════════════════ */
.contact-forms  { background: var(--navy-dim); }
.direct-contact { background: var(--navy-secondary); }

.direct-contact .closing-line {
  font-style: italic;
  margin-top: 2rem;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.9375rem;
}

/* Two-column contact layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.column h2 {
  font-size: 1.625rem;
  margin-bottom: 0.875rem;
}
.column > p {
  margin-bottom: 2rem;
  font-size: 0.9375rem;
}

/* Contact column forms — no outer card, inline */
.column form,
.column .early-access-form {
  background: var(--navy-secondary);
  border: 1px solid rgba(107, 143, 232, 0.1);
  border-radius: 14px;
  padding: 2rem;
  max-width: 100%;
  margin-top: 0;
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
footer {
  background: var(--navy-base);
  border-top: 1px solid rgba(107, 143, 232, 0.08);
  padding: 5rem 0 2.5rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--px);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4rem;
}

.footer-brand { max-width: 280px; }

.footer-logo {
  height: 28px;
  width: auto;
  margin-bottom: 1.25rem;
  display: block;
}

.tagline {
  display: block;
  font-family: 'Manrope', sans-serif;
  font-size: 0.5625rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.875rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-faint);
  line-height: 1.7;
}

.footer-nav-grid { display: flex; gap: 4rem; }

.footer-nav-col h4 {
  font-family: 'Manrope', sans-serif;
  font-size: 0.5625rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  list-style: none;
  padding: 0;
}

.footer-nav a {
  font-family: 'Manrope', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  transition: color 0.2s;
}
.footer-nav a:hover { color: #fff; }

.footer-bottom {
  max-width: var(--max-width);
  margin: 2.5rem auto 0;
  padding: 1.5rem var(--px) 0;
  border-top: 1px solid rgba(67, 70, 82, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  font-family: 'Manrope', sans-serif;
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
  opacity: 0.65;
}

/* ══════════════════════════════════════════
   UTILITY — spacing helpers
══════════════════════════════════════════ */
.mt-sm  { margin-top: 1rem; }
.mt-md  { margin-top: 1.5rem; }
.mt-lg  { margin-top: 2.5rem; }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1200px) {
  :root { --px: 2.5rem; }
}

@media (max-width: 1024px) {
  :root { --px: 2rem; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .steps-4 { grid-template-columns: repeat(2, 1fr); }
  .founders { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { gap: 2.5rem; }
  .footer-nav-grid { gap: 2.5rem; }
}

@media (max-width: 768px) {
  :root {
    --px: 1.5rem;
    --py: 3.75rem;
  }

  /* Mobile nav */
  .nav-menu {
    display: none;
    position: fixed;
    top: 62px;
    left: 0;
    width: 100%;
    background: rgba(10, 22, 40, 0.99);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem var(--px) 2rem;
    gap: 1.375rem;
    border-top: 1px solid rgba(107, 143, 232, 0.1);
    z-index: 299;
    box-shadow: 0 16px 32px rgba(0,0,0,0.4);
  }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: block; }

  /* Hero */
  .hero {
    min-height: 85vh;
    padding: 4.5rem var(--px) 4rem;
    align-items: flex-end;
  }
  .hero h1 { font-size: 2.375rem; line-height: 1.05; }
  .hero p  { font-size: 1rem; }
  .hero::after { display: none; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .cta-button,
  .hero-buttons .cta-button-ghost { width: 100%; justify-content: center; }

  /* Grid collapses */
  .tiles    { grid-template-columns: 1fr; }
  .steps    { grid-template-columns: 1fr; gap: 1.25rem; }
  .steps-4  { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .founders { grid-template-columns: 1fr; }
  .two-column { grid-template-columns: 1fr; gap: 2.5rem; }

  /* Section header */
  .section-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .section-header-divider { display: none; }

  /* Footer */
  .footer-inner { flex-direction: column; gap: 2rem; }
  .footer-brand { max-width: 100%; }
  .footer-nav-grid { flex-wrap: wrap; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  /* Form */
  .early-access-form { padding: 1.75rem 1.5rem 1.5rem; }

  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.1875rem; }
}

@media (max-width: 480px) {
  :root { --px: 1.25rem; }
  .hero h1 { font-size: 2rem; }
  .early-access-form { padding: 1.5rem 1.25rem; }
  .column form,
  .column .early-access-form { padding: 1.5rem 1.25rem; }
}