/* ═══════════════════════════════════════════════════════
   GLP-1 STRONG MEN — Design System
   Palette: Dark slate + electric green accent
   Tone: Authoritative, masculine, clean
═══════════════════════════════════════════════════════ */

/* ── Design Tokens ────────────────────────────────── */
:root,
[data-theme='dark'] {
  /* Surfaces */
  --color-bg: #0d0f0e;
  --color-surface: #141716;
  --color-surface-2: #191c1a;
  --color-surface-offset: #1e2220;
  --color-border: #2a2e2c;
  --color-divider: #222624;

  /* Text */
  --color-text: #e8ece9;
  --color-text-muted: #8a9490;
  --color-text-faint: #4d5450;
  --color-text-inverse: #0d0f0e;

  /* Accent — electric green */
  --color-accent: #4ade80;
  --color-accent-hover: #22c55e;
  --color-accent-active: #16a34a;
  --color-accent-subtle: #1a2e1f;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.35);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.45);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.55);
  --shadow-accent: 0 0 24px rgba(74, 222, 128, 0.15);
}

[data-theme='light'] {
  --color-bg: #f5f7f5;
  --color-surface: #ffffff;
  --color-surface-2: #f0f3f0;
  --color-surface-offset: #e8ece8;
  --color-border: #d0d8d2;
  --color-divider: #dce4dc;
  --color-text: #111a14;
  --color-text-muted: #4d5f54;
  --color-text-faint: #9aada0;
  --color-text-inverse: #f5f7f5;
  --color-accent: #16803a;
  --color-accent-hover: #14692f;
  --color-accent-active: #115524;
  --color-accent-subtle: #e2f5e8;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-accent: 0 0 24px rgba(22, 128, 58, 0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f5f7f5;
    --color-surface: #ffffff;
    --color-surface-2: #f0f3f0;
    --color-surface-offset: #e8ece8;
    --color-border: #d0d8d2;
    --color-divider: #dce4dc;
    --color-text: #111a14;
    --color-text-muted: #4d5f54;
    --color-text-faint: #9aada0;
    --color-text-inverse: #f5f7f5;
    --color-accent: #16803a;
    --color-accent-hover: #14692f;
    --color-accent-active: #115524;
    --color-accent-subtle: #e2f5e8;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-accent: 0 0 24px rgba(22, 128, 58, 0.12);
  }
}

/* ── Type Scale ──────────────────────────────────── */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.75rem, 1rem + 6vw, 5.5rem);

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1200px;
}

/* ── Base Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}
img, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; max-width: 72ch; }
button { cursor: pointer; background: none; border: none; }
a, button, [role='button'], input, textarea, select {
  transition: color var(--transition), background var(--transition),
    border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
::selection { background: rgba(74,222,128,0.2); color: var(--color-text); }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ── Layout ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-narrow); }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.65em 1.4em;
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}
.btn-primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); }
.btn-primary:active { background: var(--color-accent-active); border-color: var(--color-accent-active); }
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-text-muted); color: var(--color-text); }
.btn-lg { font-size: var(--text-base); padding: 0.75em 1.8em; }
.btn-full { width: 100%; }

/* ── Navigation ─────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) clamp(var(--space-6), 5vw, var(--space-16));
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: normal;
  line-height: 1;
}
.logo-text em { font-style: italic; color: var(--color-text-muted); }
.nav-links {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav-links a:hover { color: var(--color-text); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: transparent;
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  margin-left: auto;
  padding: var(--space-1);
}
.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6) clamp(var(--space-6), 5vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.mobile-link {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}
.mobile-cta { margin-top: var(--space-2); text-align: center; }
.mobile-nav.open { display: flex; }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: clamp(var(--space-20), 12vw, var(--space-24));
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to bottom, var(--color-bg) 0%, transparent 20%, transparent 80%, var(--color-bg) 100%),
    repeating-linear-gradient(0deg, transparent, transparent 60px, color-mix(in oklab, var(--color-accent) 5%, transparent) 60px, color-mix(in oklab, var(--color-accent) 5%, transparent) 61px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, color-mix(in oklab, var(--color-accent) 5%, transparent) 60px, color-mix(in oklab, var(--color-accent) 5%, transparent) 61px);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-eyebrow { margin-bottom: var(--space-6); }
.badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: 1px solid color-mix(in oklab, var(--color-accent) 25%, transparent);
  padding: 0.35em 0.9em;
  border-radius: var(--radius-full);
}
.hero-headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 16ch;
}
.hero-headline em {
  font-style: italic;
  color: var(--color-accent);
}
.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-4);
  line-height: 1.7;
}
.hero-sub--bold {
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: var(--space-8);
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

/* ── Problem Strip ───────────────────────────────── */
.problem-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.problem-intro {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}
.problem-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.problem-icon { font-size: 1.75rem; }
.problem-card p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: none; }
.problem-card strong { color: var(--color-text); }

/* ── Science Strip ───────────────────────────────── */
.science-strip {
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
  background: var(--color-accent-subtle);
  border-bottom: 1px solid color-mix(in oklab, var(--color-accent) 20%, transparent);
}
.science-pull {
  margin-bottom: var(--space-8);
  padding-left: var(--space-6);
  border-left: 3px solid var(--color-accent);
}
.science-pull blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.5;
  max-width: none;
}
.science-pull blockquote strong { font-style: normal; color: var(--color-accent); }
.science-pull cite {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  font-style: normal;
  font-weight: 600;
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}
.science-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 60ch;
}
.science-body em { font-style: italic; color: var(--color-text); }

/* ── Section Common ──────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-inline: auto;
}

/* ── How It Works ────────────────────────────────── */
.how-it-works {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.steps { display: flex; flex-direction: column; gap: var(--space-1); }
.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-divider);
}
.step:last-child { border-bottom: none; }
.step-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-accent);
  opacity: 0.7;
  line-height: 1;
  padding-top: var(--space-1);
}
.step-body h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.step-body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 56ch;
}

/* ── Who ─────────────────────────────────────────── */
.who {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.who-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.who-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.who-card:hover {
  border-color: color-mix(in oklab, var(--color-accent) 40%, transparent);
  box-shadow: var(--shadow-accent);
}
.who-icon { font-size: 1.75rem; margin-bottom: var(--space-4); }
.who-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.who-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: none;
}
.who-qualifier {
  max-width: var(--content-narrow);
  margin-inline: auto;
  background: var(--color-accent-subtle);
  border: 1px solid color-mix(in oklab, var(--color-accent) 25%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  text-align: center;
}
.who-qualifier p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}
.who-qualifier strong { color: var(--color-text); }

/* ── Diff Table ───────────────────────────────────── */
.diff-section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.diff-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.diff-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-sm);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.diff-table th, .diff-table td {
  padding: var(--space-4) var(--space-6);
  text-align: center;
  border-bottom: 1px solid var(--color-divider);
}
.diff-table td:first-child { text-align: left; color: var(--color-text-muted); font-weight: 500; }
.diff-table thead { background: var(--color-surface); }
.diff-table th {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.diff-table tbody tr:last-child td { border-bottom: none; }
.diff-table tbody tr:nth-child(odd) { background: var(--color-surface); }
.diff-table tbody tr:nth-child(even) { background: var(--color-surface-2); }
.highlight-col {
  background: var(--color-accent-subtle) !important;
  color: var(--color-text) !important;
  font-weight: 700 !important;
}
.diff-table th.highlight-col {
  color: var(--color-accent) !important;
  border-bottom: 2px solid var(--color-accent);
}
.check { color: var(--color-accent); font-size: 1.1em; font-weight: 700; }
.x { color: var(--color-text-faint); font-size: 1.1em; }

/* ── Apply / Lead Magnet ─────────────────────────── */
.apply {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}
.apply-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.apply-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), color-mix(in oklab, var(--color-accent) 40%, transparent));
}
.apply-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: 1px solid color-mix(in oklab, var(--color-accent) 25%, transparent);
  padding: 0.35em 0.9em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.apply-headline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  max-width: none;
}
.apply-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 58ch;
  margin-bottom: var(--space-8);
}
.apply-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}
.apply-bullets li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
  line-height: 1.5;
}
.apply-bullets li svg { flex-shrink: 0; margin-top: 2px; }

/* ── Form ────────────────────────────────────────── */
.apply-form { display: flex; flex-direction: column; gap: var(--space-4); }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.form-group { display: flex; flex-direction: column; }
input[type='text'],
input[type='email'] {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75em 1em;
  font-size: var(--text-base);
  color: var(--color-text);
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
input::placeholder { color: var(--color-text-faint); }
input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-accent) 15%, transparent); }
.form-privacy {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  justify-content: center;
  max-width: none;
}
.apply-success {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-accent-subtle);
  border: 1px solid color-mix(in oklab, var(--color-accent) 30%, transparent);
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}
.apply-success p { color: var(--color-text); font-size: var(--text-base); max-width: none; }

/* ── Footer ──────────────────────────────────────── */
.footer {
  padding-block: clamp(var(--space-12), 5vw, var(--space-16));
  border-top: 1px solid var(--color-divider);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}
.footer-logo { color: var(--color-text-muted); gap: var(--space-2); font-size: var(--text-base); }
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 40ch;
  text-align: center;
}
.footer-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 55ch;
  text-align: center;
  line-height: 1.6;
}
.footer-copy { font-size: var(--text-xs); color: var(--color-text-faint); }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 720px) {
  .nav-links, .nav-actions .btn-primary { display: none; }
  .nav-hamburger { display: flex; }
  .nav-actions { gap: var(--space-3); }

  .hero { min-height: 80vh; padding-block: clamp(var(--space-16), 10vw, var(--space-20)); }
  .hero-headline { font-size: clamp(2.25rem, 8vw, 3.5rem); }

  .step { grid-template-columns: 56px 1fr; gap: var(--space-4); }
  .step-number { font-size: clamp(1.5rem, 5vw, 2rem); }

  .form-row { grid-template-columns: 1fr; }

  .diff-table th, .diff-table td { padding: var(--space-3) var(--space-4); }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; text-align: center; }
  .who-grid { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
}

/* ── Scroll fade-in ─────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1), transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.fade-in.visible { opacity: 1; transform: none; }