/* ============================================================
   PilotCharts Design System
   ============================================================ */

/* 1. Fonts — self-hosted */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-v20-latin-300.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-v20-latin-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-v20-latin-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-v20-latin-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-v20-latin-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* 2. Design tokens — dark (the only theme; night-VFR aesthetic) */
:root {
  color-scheme: dark;
  --bg:          #0A0E14;
  --bg-1:        #10151D;
  --bg-2:        #161D27;
  --bg-3:        #1D2530;
  --border:      #1D2530;
  --border-2:    #2A3440;
  --text:        #F2F5F8;
  --text-2:      #93A1B0;
  --text-3:      #57626E;

  /* Brand blue — sampled from the app icon's compass ring */
  --accent:      #2888D8;
  --accent-dim:  #153250;
  --accent-text: #5FADEE;

  /* App header navy — used for the nav/footer brand bar */
  --navy:        #1D3557;
  --navy-2:      #16294380;

  /* Flight-category colors, reused verbatim from the app's weather badges */
  --vfr:         #2A9D8F;
  --mvfr:        #0284C7;
  --ifr:         #E63946;
  --lifr:        #9333EA;

  --nav-bg:      rgba(10, 14, 20, 0.85);
  --shadow:      0 1px 3px rgba(0,0,0,0.45);

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
  --space-32: 8rem;

  --max-w: 1180px;
  --prose-w: 720px;

  --radius:   4px;
  --radius-2: 10px;
  --radius-3: 18px;

  --nav-h: 68px;
  --transition: 160ms ease;
  --transition-slow: 320ms ease;
}

/* 3. Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 900px 500px at 85% -5%, rgba(40, 136, 216, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 700px 500px at 5% 15%, rgba(29, 53, 87, 0.35) 0%, transparent 60%);
  background-repeat: no-repeat;
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* 4. Layout utilities */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.container--narrow { max-width: var(--prose-w); }

.section { padding: var(--space-24) 0; }
.section--sm { padding: var(--space-16) 0; }
.section--lg { padding: var(--space-32) 0; }

/* 5. Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: var(--space-4);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav__logo-img { height: 34px; width: 34px; border-radius: 8px; display: block; }
.nav__links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav__link {
  display: inline-flex;
  padding: var(--space-2) var(--space-3);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover { color: var(--text); background: var(--bg-2); }
.nav__right { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }
.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  color: #fff !important;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition);
}
.nav__cta:hover { background: #4FA3EE; transform: translateY(-1px); color: #fff !important; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav__burger span { display: block; height: 1.5px; background: var(--text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav__mobile {
  display: none;
  position: fixed;
  z-index: 90;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: var(--space-8) var(--space-6);
}
.nav__mobile.open { display: block; }
.nav__mobile-item { border-bottom: 1px solid var(--border); }
.nav__mobile-item a { display: block; padding: var(--space-4) 0; font-size: 1.125rem; font-weight: 500; color: var(--text-2); }
.nav__mobile-cta { margin-top: var(--space-8); }
.nav__mobile-cta a { display: inline-flex; padding: var(--space-3) var(--space-6); background: var(--accent); color: #fff; border-radius: var(--radius); font-weight: 600; }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
}

/* 6. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem var(--space-5);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn--primary:hover { background: #4FA3EE; border-color: #4FA3EE; }
.btn--outline { background: transparent; color: var(--text); border-color: var(--border-2); }
.btn--outline:hover { border-color: var(--text-3); background: var(--bg-2); }
.btn--block { width: 100%; justify-content: center; }
.btn svg { width: 16px; height: 16px; }

/* 7. Section headings */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: var(--space-4);
}
.section-label::before { content: ''; display: block; width: 20px; height: 1px; background: var(--accent); }
.section-title { font-size: clamp(1.75rem, 3vw, 2.5rem); letter-spacing: -0.03em; margin-bottom: var(--space-4); }
.section-subtitle { font-size: 1.0625rem; color: var(--text-2); max-width: 560px; line-height: 1.7; }
.section-head { margin-bottom: var(--space-12); }
.section-head--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head--center .section-label::before { display: none; }
.section-head--center .section-subtitle { margin-left: auto; margin-right: auto; }

/* 8. Hero */
.hero { padding-top: var(--nav-h); position: relative; overflow: hidden; }
.hero__inner {
  padding: var(--space-24) 0 var(--space-12);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-12);
  align-items: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 5px var(--space-3);
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: var(--space-6);
}
.hero__badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--vfr); box-shadow: 0 0 0 3px rgba(42,157,143,0.18); }
.hero__title { font-size: clamp(2.25rem, 4.2vw, 3.5rem); letter-spacing: -0.035em; line-height: 1.08; margin-bottom: var(--space-6); max-width: 620px; }
.hero__title em { font-style: normal; color: var(--accent-text); }
.hero__subtitle { font-size: 1.125rem; color: var(--text-2); max-width: 520px; line-height: 1.7; margin-bottom: var(--space-8); }
.hero__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-8); }
.hero__note { font-size: 0.8125rem; color: var(--text-3); }

.hero__visual { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-6); }
.phone {
  position: relative;
  width: 280px;
  border-radius: 42px;
  background: #0b0b0d;
  padding: 10px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.65), 0 0 0 1px var(--border-2);
}
.phone::before {
  content: '';
  position: absolute;
  top: 10px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 22px;
  background: #0b0b0d;
  border-radius: 14px;
  z-index: 2;
}
.phone__screen { position: relative; border-radius: 32px; overflow: hidden; display: block; width: 100%; aspect-ratio: 9 / 19.5; background: var(--bg-2); }
.phone__screen img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; transition: filter var(--transition); }
.phone__screen img:hover, .phone__screen img:focus-visible { filter: brightness(1.08); }
.phone__screen img:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* A carousel living inside the phone frame (as opposed to the free-form
   iPad one) fills the screen edge-to-edge instead of the padded/contained
   box the iPad carousel uses, since every slide here shares one aspect ratio. */
.phone__screen .carousel__slide { padding: 0; }
.phone__screen .carousel__slide img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  border-radius: 0;
  box-shadow: none;
}
.phone-carousel { display: flex; flex-direction: column; align-items: center; }
.phone-carousel .phone { width: 280px; }

/* Screenshot lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  background: rgba(5, 7, 11, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox__img {
  max-width: min(420px, 100%);
  max-height: 86vh;
  width: auto;
  border-radius: 28px;
  box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--border-2);
  transform: scale(0.96);
  transition: transform var(--transition-slow);
}
.lightbox.open .lightbox__img { transform: scale(1); }
.lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.lightbox__close:hover { background: var(--bg-3); border-color: var(--text-3); }
.lightbox__close svg { width: 18px; height: 18px; }
@media (max-width: 620px) {
  .lightbox__close { top: var(--space-4); right: var(--space-4); }
}
.phone--float { animation: floatPhone 6s ease-in-out infinite; }
@keyframes floatPhone { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* 9. Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.feature-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-2);
  padding: var(--space-6);
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}
.feature-card:hover { border-color: var(--border-2); background: var(--bg-2); transform: translateY(-2px); }
.feature-card__icon {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim);
  color: var(--accent-text);
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
}
.feature-card__icon svg { width: 20px; height: 20px; }
.feature-card__title { font-size: 1.0625rem; margin-bottom: var(--space-2); letter-spacing: -0.015em; }
.feature-card__desc { font-size: 0.9rem; color: var(--text-2); line-height: 1.6; }

/* 9b. Carousel (iPad screenshots) */
.carousel { max-width: 760px; margin: 0 auto; }
.carousel__track {
  position: relative;
  width: 100%;
  height: 560px;
  border-radius: var(--radius-3);
  overflow: hidden;
  background: var(--bg-1);
  border: 1px solid var(--border);
}
.carousel__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}
.carousel__slide.is-active { opacity: 1; pointer-events: auto; }
.carousel__slide img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  display: block;
  border-radius: 10px;
  cursor: zoom-in;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.5);
  transition: filter var(--transition);
}
.carousel__slide img:hover, .carousel__slide img:focus-visible { filter: brightness(1.06); }
.carousel__slide img:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.carousel__dots { display: flex; justify-content: center; gap: var(--space-3); margin-top: var(--space-6); }
.carousel__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-2);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.carousel__dot:hover { background: var(--text-3); }
.carousel__dot.is-active { background: var(--accent); transform: scale(1.3); }
@media (max-width: 620px) {
  .carousel__track { height: 400px; }
}

/* 10. Showcase (screenshot + copy rows) */
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: center; }
.showcase + .showcase { margin-top: var(--space-24); }
.showcase--reverse .showcase__visual { order: 1; }
.showcase--reverse .showcase__copy { order: 2; }
.showcase__copy .section-label { margin-bottom: var(--space-3); }
.showcase__title { font-size: 1.625rem; letter-spacing: -0.025em; margin-bottom: var(--space-4); }
.showcase__desc { font-size: 1rem; color: var(--text-2); line-height: 1.7; margin-bottom: var(--space-5); }
.showcase__list { display: flex; flex-direction: column; gap: var(--space-2); }
.showcase__list li { font-size: 0.9375rem; color: var(--text-2); padding-left: var(--space-5); position: relative; }
.showcase__list li::before { content: '✓'; position: absolute; left: 0; color: var(--vfr); font-weight: 700; }
.showcase__visual { display: flex; justify-content: center; }
.showcase__visual .phone { width: 240px; }

/* 11. Free vs Pro */
.tier-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: stretch; }
.tier-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-3);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
}
.tier-card--pro {
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 55%);
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent-dim), 0 20px 60px -30px rgba(40,136,216,0.45);
  position: relative;
}
.tier-card--pro::before {
  content: 'COMING SOON';
  position: absolute;
  top: var(--space-6); right: var(--space-6);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-text);
  background: var(--accent-dim);
  padding: 3px var(--space-2);
  border-radius: var(--radius);
}
.tier-card__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.tier-card__badge .dot { width: 8px; height: 8px; border-radius: 50%; }
.tier-card--free .tier-card__badge { color: var(--vfr); }
.tier-card--free .dot { background: var(--vfr); }
.tier-card--pro .tier-card__badge { color: var(--accent-text); }
.tier-card--pro .dot { background: var(--accent); }
.tier-card__name { font-size: 1.5rem; letter-spacing: -0.025em; margin-bottom: var(--space-2); }
.tier-card__price { font-size: 0.9375rem; color: var(--text-2); margin-bottom: var(--space-6); }
.tier-card__price strong { color: var(--text); font-size: 1.5rem; }
.tier-card__list { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-8); flex: 1; }
.tier-card__list li { font-size: 0.9375rem; color: var(--text-2); padding-left: var(--space-6); position: relative; line-height: 1.5; }
.tier-card--free .tier-card__list li::before { content: '✓'; position: absolute; left: 0; color: var(--vfr); font-weight: 700; }
.tier-card--pro .tier-card__list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent-text); font-weight: 700; }
.tier-card__list li em { font-style: normal; color: var(--text-3); }

/* 12. FAQ */
.faq { max-width: var(--prose-w); margin: 0 auto; display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-2); overflow: hidden; }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-5) var(--space-6);
  font-weight: 600;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-3);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__body { padding: 0 var(--space-6) var(--space-5); font-size: 0.9375rem; color: var(--text-2); line-height: 1.7; }

/* 13. CTA banner */
.cta-banner {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-3);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse at center, rgba(40,136,216,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner__lockup { width: 120px; height: 120px; border-radius: 26px; margin: 0 auto var(--space-6); position: relative; box-shadow: 0 16px 40px -14px rgba(40,136,216,0.4); }
.cta-banner__title { font-size: clamp(1.75rem, 3vw, 2.25rem); letter-spacing: -0.03em; margin-bottom: var(--space-4); position: relative; }
.cta-banner__sub { font-size: 1.0625rem; color: var(--text-2); max-width: 480px; margin: 0 auto var(--space-8); line-height: 1.7; position: relative; }
.cta-banner__actions { display: flex; justify-content: center; gap: var(--space-4); position: relative; flex-wrap: wrap; }

/* 13b. Store badges (placeholder) */
.store-section { padding-top: 0; }
.store-section__label {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-3);
  margin-bottom: var(--space-5);
}
.store-badges { display: flex; justify-content: center; gap: var(--space-4); flex-wrap: wrap; }
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--bg-1);
  border: 1.5px dashed var(--border-2);
  border-radius: var(--radius-2);
  color: var(--text-3);
  cursor: default;
  user-select: none;
}
.store-badge__icon { width: 24px; height: 24px; flex-shrink: 0; color: var(--text-3); }
.store-badge__text { display: flex; flex-direction: column; line-height: 1.25; text-align: left; }
.store-badge__eyebrow { font-size: 0.6875rem; color: var(--text-3); }
.store-badge__name { font-size: 0.9375rem; font-weight: 700; color: var(--text-2); }

/* 14. Attribution strip */
.attribution-strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: var(--space-6) 0; }
.attribution-strip__inner { display: flex; align-items: center; justify-content: center; gap: var(--space-8); flex-wrap: wrap; }
.attribution-strip__item { font-size: 0.8125rem; color: var(--text-3); font-weight: 500; }
.attribution-strip__item strong { color: var(--text-2); }

/* 15. Footer */
.footer { padding: var(--space-16) 0 var(--space-8); }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-12); margin-bottom: var(--space-12); }
.footer__brand { display: flex; align-items: center; gap: var(--space-3); font-size: 1.0625rem; font-weight: 700; margin-bottom: var(--space-4); }
.footer__logo-img { height: 56px; width: 56px; border-radius: 12px; }
.footer__tagline { font-size: 0.875rem; color: var(--text-3); line-height: 1.6; max-width: 280px; margin-bottom: var(--space-4); }
.footer__contact a { font-size: 0.875rem; color: var(--text-2); transition: color var(--transition); }
.footer__contact a:hover { color: var(--accent-text); }
.footer__col-title { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: var(--space-4); }
.footer__col-links { display: flex; flex-direction: column; gap: var(--space-2); }
.footer__col-links a { font-size: 0.875rem; color: var(--text-2); transition: color var(--transition); }
.footer__col-links a:hover { color: var(--text); }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-6); border-top: 1px solid var(--border); font-size: 0.8125rem; color: var(--text-3); flex-wrap: wrap; gap: var(--space-3); }
.footer__bottom a { color: var(--text-2); }
.footer__bottom a:hover { color: var(--accent-text); }

/* 16. Misc */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }
.skip-link {
  position: absolute; top: -40px; left: var(--space-4);
  background: var(--accent); color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 9999; border-radius: var(--radius);
  font-size: 0.875rem; font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus { top: var(--space-2); }

.fade-in { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__title, .hero__subtitle { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__visual { order: -1; margin-bottom: var(--space-4); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase, .showcase--reverse { grid-template-columns: 1fr; text-align: center; }
  .showcase--reverse .showcase__visual, .showcase--reverse .showcase__copy { order: initial; }
  .showcase__visual { order: -1; }
  .showcase__list { text-align: left; max-width: 360px; margin: 0 auto; }
  .tier-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  :root { --nav-h: 60px; }
  .nav { background: var(--bg-1); }
  .container { padding: 0 var(--space-4); }
  .section { padding: var(--space-16) 0; }
  .section--lg { padding: var(--space-20) 0; }
  .hero__title { font-size: 2rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .cta-banner { padding: var(--space-10) var(--space-5); }
  .cta-banner__actions { flex-direction: column; align-items: stretch; }
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; text-align: center; }
  .attribution-strip__inner { gap: var(--space-4); }
}