/* ============================================================
   SaltyGnome.com — Multi-Product Website
   Unified Stylesheet · DaisyDisk-Inspired Design
   DiskPulse · SnapPulse 
   ============================================================ */

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

:root {
  /* Core palette */
  --white:        #ffffff;
  --off-white:    #f8f9fc;
  --gray-50:      #f1f3f8;
  --gray-100:     #e4e7ee;
  --gray-200:     #c9cdd8;
  --gray-400:     #6b7280;
  --gray-600:     #3d4655;
  --gray-800:     #2d3142;
  --gray-900:     #1b1f2e;

  /* Accent colours — vibrant, DaisyDisk-inspired */
  --blue:         #3b82f6;
  --blue-dark:    #2563eb;
  --green:        #22c55e;
  --green-soft:   #d1fae5;
  --orange:       #f97316;
  --orange-soft:  #ffedd5;
  --red:          #ef4444;
  --violet:       #8b5cf6;

  /* Gradients */
  --grad-hero:    linear-gradient(160deg, #eff6ff 0%, #f0fdf4 50%, #fefce8 100%);
  --grad-card:    linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  --grad-cta:     linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --grad-footer:  linear-gradient(180deg, #1b1f2e 0%, #111322 100%);

  /* Typography */
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'SF Mono', 'Fira Code', monospace;

  /* Spacing scale */
  --sp-xs:   0.5rem;
  --sp-sm:   1rem;
  --sp-md:   1.5rem;
  --sp-lg:   2rem;
  --sp-xl:   3rem;
  --sp-2xl:  4.5rem;

  /* Radius */
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  22px;
  --r-xl:  32px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 14px rgba(0,0,0,.07), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.05);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.06);
  --shadow-screenshot: 0 24px 80px rgba(0,0,0,.14), 0 8px 24px rgba(0,0,0,.08);

  /* Layout */
  --max-w:  1120px;
}

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.65;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--blue-dark); }

/* --- Utility --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--sp-md); }
.text-center { text-align: center; }
.text-secondary { color: var(--gray-400); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--gray-100);
}
.site-nav .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.15rem; color: var(--gray-900);
  text-decoration: none;
}
.nav-brand img { width: 34px; height: 34px; border-radius: 8px; }
.nav-brand .brand-studio { color: var(--gray-400); font-weight: 400; margin-left: 2px; }
.nav-brand-logo { width: 34px; height: 34px; border-radius: 8px; object-fit: cover; }
.nav-links { display: flex; gap: var(--sp-md); align-items: center; list-style: none; }
.nav-links a {
  font-size: .9rem; font-weight: 500; color: var(--gray-600);
  padding: 6px 2px; transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--blue); }

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--gray-800);
  margin: 5px 0; border-radius: 2px; transition: .3s;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  background: var(--grad-hero);
  padding: var(--sp-2xl) 0 var(--sp-xl);
  text-align: center;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: 100px; padding: 6px 16px;
  font-size: .82rem; font-weight: 600; color: var(--gray-600);
  margin-bottom: var(--sp-md);
  box-shadow: var(--shadow-sm);
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--gray-900);
  margin-bottom: var(--sp-sm);
}
.hero h1 .gradient-text {
  background: var(--grad-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.18rem; color: var(--gray-800);
  max-width: 560px; margin: 0 auto var(--sp-lg);
  line-height: 1.6;
}
.hero-actions { display: flex; gap: var(--sp-sm); justify-content: center; flex-wrap: wrap; margin-bottom: var(--sp-xl); }

/* CTA Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--r-md);
  font-size: .95rem; font-weight: 600;
  cursor: pointer; border: none; transition: all .25s;
  text-decoration: none;
}
.btn-primary {
  background: var(--grad-cta); color: var(--white);
  box-shadow: 0 4px 14px rgba(59,130,246,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,.4);
  color: var(--white);
}
.btn-secondary {
  background: var(--white); color: var(--gray-800);
  border: 1.5px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  border-color: var(--blue); color: var(--blue);
  transform: translateY(-1px);
}
.btn svg { width: 20px; height: 20px; }

/* Hero Screenshot */
.hero-screenshot {
  max-width: 780px; margin: 0 auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-screenshot);
  border: 1px solid rgba(0,0,0,.06);
  position: relative;
}
.hero-screenshot img { width: 100%; display: block; }

/* Decorative dots behind screenshot */
.hero-screenshot::before {
  content: '';
  position: absolute; top: -30px; left: -30px; right: -30px; bottom: -30px;
  z-index: -1;
  background: radial-gradient(circle, var(--blue) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: .04;
  border-radius: var(--r-xl);
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features {
  padding: var(--sp-lg) 0 var(--sp-2xl);
  background: var(--white);
}
.section-label {
  display: inline-block;
  font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--blue); background: rgba(59,130,246,.08);
  padding: 6px 14px; border-radius: 100px;
  margin-bottom: var(--sp-sm);
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; letter-spacing: -0.02em;
  color: var(--gray-900);
  margin-bottom: var(--sp-xs);
}
.section-subtitle {
  font-size: 1.05rem; color: var(--gray-600);
  max-width: 580px; margin: 0 auto var(--sp-xl);
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-xl);
}
.feature-card {
  background: var(--grad-card);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  transition: transform .3s, box-shadow .3s, border-color .3s;
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59,130,246,.15);
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--sp-md);
}
.feature-icon.blue   { background: rgba(59,130,246,.1); color: var(--blue); }
.feature-icon.green  { background: rgba(34,197,94,.1);  color: var(--green); }
.feature-icon.orange { background: rgba(249,115,22,.1); color: var(--orange); }
.feature-icon.violet { background: rgba(139,92,246,.1); color: var(--violet); }
.feature-icon.red    { background: rgba(239,68,68,.1);  color: var(--red); }

.feature-card h3 {
  font-size: 1.15rem; font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--sp-xs);
}
.feature-card p {
  font-size: .92rem; color: var(--gray-800);
  line-height: 1.6;
}
.feature-tag {
  display: inline-block;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  padding: 3px 10px; border-radius: 100px;
  margin-bottom: var(--sp-sm);
}
.feature-tag.new { background: rgba(34,197,94,.1); color: var(--green); }
.feature-tag.core { background: rgba(59,130,246,.1); color: var(--blue); }

/* Highlight card (spans full width) */
.feature-highlight {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
  align-items: center;
  background: var(--grad-card);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  transition: transform .3s, box-shadow .3s;
}
.feature-highlight:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.feature-highlight-img {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
}
.feature-highlight-img img { width: 100%; display: block; }

/* ============================================================
   SCREENSHOT SHOWCASE
   ============================================================ */
.showcase {
  padding: var(--sp-xl) 0 var(--sp-2xl);
  background: var(--off-white);
}
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-lg);
}
.showcase-item {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: transform .3s, box-shadow .3s;
}
.showcase-item:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-xl);
}
.showcase-item img { width: 100%; display: block; }
.showcase-caption {
  padding: var(--sp-sm) var(--sp-md);
  text-align: center;
}
.showcase-caption h3 { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 2px; }
.showcase-caption p { font-size: .85rem; color: var(--gray-600); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--grad-footer);
  color: rgba(255,255,255,.7);
  padding: var(--sp-xl) 0 var(--sp-lg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sp-xl);
  margin-bottom: var(--sp-lg);
}
.footer-brand h3 { color: var(--white); font-size: 1.15rem; margin-bottom: var(--sp-xs); display: flex; align-items: center; gap: 10px; }
.footer-mascot { width: 32px; height: 32px; border-radius: 6px; opacity: .85; }
.footer-brand p { font-size: .88rem; line-height: 1.7; max-width: 340px; }
.footer-col h4 {
  color: var(--white); font-size: .82rem;
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: var(--sp-sm);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,.7); font-size: .88rem; }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: var(--sp-md);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--sp-sm);
}
.footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.35); }
.footer-teaser {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.06);
  padding: 6px 14px; border-radius: 100px;
}
.footer-teaser .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--violet);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

/* ============================================================
   SUPPORT / PRIVACY PAGE — Content Sections
   ============================================================ */
.page-hero {
  background: var(--grad-hero);
  padding: var(--sp-xl) 0 var(--sp-lg);
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; color: var(--gray-900);
  margin-bottom: var(--sp-xs);
}
.page-hero p {
  font-size: 1.05rem; color: var(--gray-800);
  max-width: 540px; margin: 0 auto;
}

.content-section {
  padding: var(--sp-xl) 0;
}
.content-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  margin-bottom: var(--sp-md);
  box-shadow: var(--shadow-sm);
}
.content-card h2 {
  font-size: 1.3rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: var(--sp-sm);
  display: flex; align-items: center; gap: 10px;
}
.content-card h2 .icon {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.content-card h3 {
  font-size: 1.05rem; font-weight: 600; color: var(--gray-800);
  margin: var(--sp-md) 0 var(--sp-xs);
}
.content-card p, .content-card li {
  font-size: .92rem; color: var(--gray-800); line-height: 1.7;
}
.content-card ul, .content-card ol {
  padding-left: var(--sp-md); margin: var(--sp-xs) 0;
}
.content-card li { margin-bottom: 6px; }

/* Step cards for support */
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--grad-cta); color: var(--white);
  font-size: .82rem; font-weight: 700;
  flex-shrink: 0; margin-right: 10px;
}

/* Interval table */
.interval-table {
  width: 100%; border-collapse: collapse; margin: var(--sp-sm) 0;
  font-size: .88rem;
}
.interval-table th, .interval-table td {
  text-align: left; padding: 10px 14px;
  border-bottom: 1px solid var(--gray-100);
}
.interval-table th {
  font-weight: 600; color: var(--gray-800);
  background: var(--off-white); font-size: .8rem; text-transform: uppercase;
  letter-spacing: .04em;
}
.interval-table td { color: var(--gray-600); }
.interval-table tr:last-child td { border-bottom: none; }
.interval-table .badge {
  display: inline-block; font-size: .72rem; font-weight: 600;
  padding: 2px 8px; border-radius: 100px;
}
.interval-table .badge-default { background: rgba(59,130,246,.1); color: var(--blue); }

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  margin-bottom: var(--sp-md);
  box-shadow: var(--shadow-sm);
}
.contact-form-wrap h2 {
  font-size: 1.3rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: var(--sp-xs); text-align: center;
}
.contact-form-wrap .form-subtitle {
  font-size: .92rem; color: var(--gray-600);
  text-align: center; margin-bottom: var(--sp-lg);
}
.contact-form { display: flex; flex-direction: column; gap: var(--sp-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-sm); }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: .82rem; font-weight: 600; color: var(--gray-800);
  letter-spacing: .02em;
}
.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-sans);
  font-size: .92rem; color: var(--gray-800);
  background: var(--off-white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-200); }

/* Challenge box */
.challenge-box {
  display: flex; align-items: center; gap: var(--sp-sm);
  background: var(--off-white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--r-sm);
  padding: 14px 16px;
}
.challenge-box .challenge-label {
  font-size: .88rem; font-weight: 600; color: var(--gray-600);
  white-space: nowrap;
}
.challenge-box .challenge-question {
  font-size: 1rem; font-weight: 700; color: var(--gray-900);
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: 6px;
  padding: 6px 14px;
  white-space: nowrap;
}
.challenge-box input {
  font-family: var(--font-sans);
  font-size: .95rem; font-weight: 600;
  color: var(--gray-800);
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: 6px;
  padding: 8px 12px;
  width: 80px;
  text-align: center;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.challenge-box input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.1);
}
.challenge-error {
  color: var(--red); font-size: .82rem; font-weight: 500;
  margin-top: -4px; display: none;
}
.challenge-error.visible { display: block; }

.form-submit-row {
  display: flex; justify-content: center; margin-top: var(--sp-xs);
}
.btn-submit {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px; border-radius: var(--r-md);
  font-family: var(--font-sans);
  font-size: .95rem; font-weight: 600;
  cursor: pointer; border: none;
  background: var(--grad-cta); color: var(--white);
  box-shadow: 0 4px 14px rgba(59,130,246,.3);
  transition: all .25s;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,.4);
}
.btn-submit:disabled {
  opacity: .5; cursor: not-allowed; transform: none;
  box-shadow: 0 4px 14px rgba(59,130,246,.15);
}

/* Success/error messages */
.form-message {
  text-align: center; padding: var(--sp-md);
  border-radius: var(--r-sm);
  font-size: .92rem; font-weight: 500;
  display: none;
}
.form-message.success {
  background: var(--green-soft); color: #166534;
  display: block;
}
.form-message.error {
  background: rgba(239,68,68,.08); color: var(--red);
  display: block;
}

/* Honeypot - hidden from humans */
.ohnohoney { position: absolute; left: -9999px; opacity: 0; }

@media (max-width: 680px) {
  .form-row { grid-template-columns: 1fr; }
  .challenge-box { flex-wrap: wrap; }
}

/* Legacy contact card kept for backwards compat */
.contact-card {
  background: var(--off-white);
  border-radius: var(--r-md);
  padding: var(--sp-md);
  text-align: center;
  margin-top: var(--sp-md);
}
.contact-card .email-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 1rem; font-weight: 600; color: var(--blue);
}

/* Problem-solution callout */
.problem-callout {
  background: rgba(239,68,68,.04);
  border-left: 3px solid var(--red);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: var(--sp-sm) var(--sp-md);
  margin-bottom: var(--sp-md);
}
.problem-callout p {
  font-size: .92rem; color: var(--gray-800); line-height: 1.65;
}
.problem-callout strong { color: var(--red); }

.solution-callout {
  background: rgba(34,197,94,.06);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: var(--sp-sm) var(--sp-md);
  margin-bottom: var(--sp-md);
}
.solution-callout p {
  font-size: .92rem; color: var(--gray-800); line-height: 1.65;
}
.solution-callout strong { color: #16a34a; }

/* Privacy-specific */
.privacy-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green-soft); color: #166534;
  padding: 8px 18px; border-radius: 100px;
  font-size: .85rem; font-weight: 600;
  margin-bottom: var(--sp-md);
}
.privacy-list {
  list-style: none; padding: 0;
}
.privacy-list li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-50);
}
.privacy-list li:last-child { border-bottom: none; }
.privacy-list .check {
  color: var(--green); font-size: 1.1rem; flex-shrink: 0; margin-top: 1px;
}
.privacy-list .cross {
  color: var(--red); font-size: 1.1rem; flex-shrink: 0; margin-top: 1px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-highlight { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-lg); }
}

@media (max-width: 680px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding: var(--sp-xl) 0 var(--sp-lg); }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* Mobile nav */
  .nav-toggle { display: block; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--gray-100);
    padding: var(--sp-sm);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px var(--sp-sm); }

  .hero-screenshot { margin: 0 -8px; border-radius: var(--r-md); }
  .section-title { font-size: 1.6rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ============================================================
   HUB PAGE — Philosophy Grid
   ============================================================ */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}
.philosophy-card {
  background: var(--grad-card);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.philosophy-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.philosophy-card .feature-icon {
  margin: 0 auto var(--sp-md);
}
.philosophy-card h3 {
  font-size: 1.1rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: var(--sp-xs);
}
.philosophy-card p {
  font-size: .9rem; color: var(--gray-600); line-height: 1.65;
}

/* ============================================================
   HUB PAGE — App Showcase Cards
   ============================================================ */
.app-showcase {
  padding: var(--sp-xl) 0 var(--sp-2xl);
  background: var(--off-white);
}
.app-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
  align-items: center;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-xl);
  padding: var(--sp-xl);
  margin-bottom: var(--sp-xl);
  box-shadow: var(--shadow-md);
  transition: transform .3s, box-shadow .3s;
}
.app-card:last-child { margin-bottom: 0; }
.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.app-card-header {
  display: flex; align-items: center; gap: var(--sp-sm);
  margin-bottom: var(--sp-md);
}
.app-card-icon {
  width: 56px; height: 56px; border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}
.app-card-header h2 {
  font-size: 1.5rem; font-weight: 800; color: var(--gray-900);
  margin: 0; line-height: 1.2;
}
.app-card-tagline {
  font-size: .88rem; color: var(--gray-400); font-weight: 500; margin: 2px 0 0;
}
.app-card-desc {
  font-size: .94rem; color: var(--gray-800); line-height: 1.7;
  margin-bottom: var(--sp-md);
}
.app-card-highlights {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: var(--sp-lg);
}
.highlight-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .78rem; font-weight: 600;
  padding: 5px 12px; border-radius: 100px;
  background: var(--off-white); color: var(--gray-600);
  border: 1px solid var(--gray-100);
}
.highlight-chip svg { color: var(--green); }
.app-card-actions {
  display: flex; gap: var(--sp-sm); flex-wrap: wrap;
}
.app-card-screenshot {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}
.app-card-screenshot img { width: 100%; display: block; }

@media (max-width: 900px) {
  .philosophy-grid { grid-template-columns: 1fr; }
  .app-card { grid-template-columns: 1fr; }
  .app-card-screenshot { order: -1; }
}
@media (max-width: 680px) {
  .app-card { padding: var(--sp-lg); }
  .app-card-actions { flex-direction: column; }
  .app-card-actions .btn { width: 100%; max-width: 320px; justify-content: center; }
}

/* ============================================================
   FAQ / SUPPORT PAGE — Accordion
   ============================================================ */
.faq-section-title {
  font-size: 1.3rem; font-weight: 700; color: var(--gray-900);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: var(--sp-sm);
}
.faq-section-title .icon {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.faq-item {
  border-bottom: 1px solid var(--gray-50);
  padding: 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  font-size: .95rem; font-weight: 600; color: var(--gray-900);
  padding: var(--sp-sm) 0;
  cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-sm);
  transition: color .2s;
}
.faq-question:hover { color: var(--blue); }
.faq-question::-webkit-details-marker { display: none; }
.faq-question::marker { display: none; content: ''; }
.faq-question::after {
  content: '+';
  font-size: 1.2rem; font-weight: 400; color: var(--gray-200);
  flex-shrink: 0; width: 24px; text-align: center;
  transition: transform .2s, color .2s;
}
.faq-item[open] > .faq-question::after {
  content: '\2212'; /* minus sign */
  color: var(--blue);
}
.faq-answer {
  padding: 0 0 var(--sp-sm);
}
.faq-answer p, .faq-answer li {
  font-size: .9rem; color: var(--gray-800); line-height: 1.7;
}
.faq-answer ul, .faq-answer ol {
  margin: 0; padding-left: 1.5rem;
}
.faq-answer li { margin-bottom: 4px; }
.faq-answer kbd {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: .82rem; font-weight: 600;
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: 4px;
  padding: 2px 6px;
  line-height: 1.4;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fade-up .7s ease-out both; }
.fade-up-d1 { animation-delay: .1s; }
.fade-up-d2 { animation-delay: .2s; }
.fade-up-d3 { animation-delay: .3s; }
.fade-up-d4 { animation-delay: .4s; }