/* ================================================================
   BreathMAX — promo site shared stylesheet
   Dark-first, pastel-on-navy. Mirrors the in-app aesthetic.
   ================================================================ */

:root {
  /* Brand palette — same teal/peach as the Flutter app */
  --c-primary:        #0D7377;
  --c-primary-light:  #14919B;
  --c-secondary:      #45B3BB;
  --c-accent:         #E8A87C;
  --c-success:        #2ECC71;

  /* Surfaces */
  --c-bg:             #0B1220;
  --c-bg-deep:        #070D18;
  --c-surface:        #131C2E;
  --c-surface-2:      #1A2538;
  --c-border:         rgba(255, 255, 255, 0.08);
  --c-border-strong:  rgba(255, 255, 255, 0.16);

  /* Text */
  --c-text:           #F2F5FA;
  --c-text-dim:       rgba(242, 245, 250, 0.72);
  --c-text-faint:     rgba(242, 245, 250, 0.45);

  /* Spacing */
  --s-1:  4px;
  --s-2:  8px;
  --s-3:  12px;
  --s-4:  16px;
  --s-5:  24px;
  --s-6:  32px;
  --s-7:  48px;
  --s-8:  64px;
  --s-9:  96px;

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

  /* Effects */
  --shadow-glow: 0 30px 80px -20px rgba(13, 115, 119, 0.35);
  --shadow-card: 0 12px 40px -12px rgba(0, 0, 0, 0.5);

  /* Type scale */
  --f-display: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --w-content: 1180px;
}

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

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

body {
  font-family: var(--f-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  position: relative;
}

/* Global texture layers — fine dotted grid + dust noise */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1.4px);
  background-size: 26px 26px;
  mix-blend-mode: screen;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
  opacity: 0.05;
  mix-blend-mode: overlay;
}

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

a {
  color: var(--c-secondary);
  text-decoration: none;
  transition: color 160ms ease;
}
a:hover { color: var(--c-accent); }

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul, ol { list-style: none; }

/* ─── Layout helpers ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 var(--s-5);
}

.section {
  padding: var(--s-9) 0;
  position: relative;
  isolation: isolate;
}

/* Sections with subtle background imagery — image lives at low opacity, blurred,
   with a vertical fade so text stays effortlessly readable. */
.section--bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-image, none) center / cover no-repeat;
  opacity: 0.10;
  filter: blur(2px) saturate(0.85);
  z-index: -2;
}
.section--bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--c-bg) 0%, transparent 18%, transparent 82%, var(--c-bg) 100%),
    radial-gradient(ellipse at center, transparent 0%, rgba(11, 18, 32, 0.55) 90%);
  z-index: -1;
}

@media (max-width: 720px) {
  .section { padding: var(--s-8) 0; }
  .container { padding: 0 var(--s-4); }
}

.eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--c-secondary);
  background: rgba(20, 145, 155, 0.12);
  border: 1px solid rgba(20, 145, 155, 0.28);
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: var(--s-4);
}

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 { font-size: clamp(40px, 7vw, 76px); }
h2 { font-size: clamp(30px, 4.2vw, 48px); }
h3 { font-size: clamp(20px, 2.4vw, 26px); }

.section-title {
  text-align: center;
  margin-bottom: var(--s-3);
}

.section-sub {
  text-align: center;
  color: var(--c-text-dim);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto var(--s-7);
}

/* ─── Nav ─────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  background: rgba(11, 18, 32, 0.72);
  border-bottom: 1px solid var(--c-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 var(--s-5);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--c-text);
}

.nav__brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  display: grid;
  place-items: center;
  font-size: 18px;
  box-shadow: 0 6px 20px -6px rgba(20, 145, 155, 0.55);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--s-6);
}
.nav__links a {
  color: var(--c-text-dim);
  font-size: 14.5px;
  font-weight: 500;
  transition: color 160ms ease;
}
.nav__links a:hover { color: var(--c-text); }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px 9px 18px;
  border-radius: 999px;
  border: 1px solid rgba(69, 179, 187, 0.45);
  background: rgba(20, 145, 155, 0.08);
  color: var(--c-text);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: background 220ms ease, border-color 220ms ease, color 220ms ease;
}
.nav__cta svg {
  width: 16px;
  height: 16px;
  transition: transform 260ms cubic-bezier(.2, .8, .2, 1);
}
.nav__cta:hover {
  color: #fff;
  background: rgba(20, 145, 155, 0.18);
  border-color: var(--c-secondary);
}
.nav__cta:hover svg {
  transform: translateX(3px);
}

.nav__burger { display: none; }
@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__cta {
    padding: 8px 14px;
    font-size: 12.5px;
  }
}

/* ─── Hero ────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: clamp(70px, 10vw, 120px) 0 clamp(60px, 8vw, 100px);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--c-bg) 0%, transparent 30%, transparent 70%, var(--c-bg) 100%),
    radial-gradient(circle at 20% 25%, rgba(13, 115, 119, 0.34), transparent 55%),
    radial-gradient(circle at 80% 75%, rgba(232, 168, 124, 0.14), transparent 50%),
    url('images/bg-hero.jpg') center / cover no-repeat;
  pointer-events: none;
  z-index: 0;
}

/* Animated circle-grid backdrop for the hero. Built from a repeating
   radial-gradient (the dots), masked into a soft ellipse so it fades into
   the surrounding atmosphere. Two animations: a slow drift + a 6s breath. */
.hero__circles {
  position: absolute;
  inset: -10% -5%;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle, rgba(69, 179, 187, 0.55) 1.4px, transparent 2.2px);
  background-size: 38px 38px;
  -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 45%, #000 25%, transparent 75%);
          mask-image: radial-gradient(ellipse 65% 55% at 50% 45%, #000 25%, transparent 75%);
  opacity: 0.6;
  animation: gridDrift 28s linear infinite, gridBreathe 7s ease-in-out infinite;
}
.hero__circles::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(232, 168, 124, 0.35) 1.1px, transparent 1.8px);
  background-size: 78px 78px;
  -webkit-mask-image: inherit;
          mask-image: inherit;
  animation: gridDriftRev 42s linear infinite;
}
@keyframes gridDrift {
  0%   { background-position: 0 0; }
  100% { background-position: 38px 38px; }
}
@keyframes gridDriftRev {
  0%   { background-position: 0 0; }
  100% { background-position: -78px 78px; }
}
@keyframes gridBreathe {
  0%, 100% { opacity: 0.42; transform: scale(1); }
  50%      { opacity: 0.72; transform: scale(1.035); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__circles, .hero__circles::after { animation: none; }
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--s-5);
}

.hero__pulse {
  width: 220px;
  height: 220px;
  margin: 0 auto var(--s-6);
  position: relative;
}

.hero__pulse::before,
.hero__pulse::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(20, 145, 155, 0.45);
  animation: breathPulse 6s ease-in-out infinite;
}
.hero__pulse::after {
  animation-delay: 1.5s;
  border-color: rgba(232, 168, 124, 0.32);
}

.hero__pulse-core {
  position: absolute;
  inset: 24%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%,
    rgba(69, 179, 187, 0.7),
    rgba(13, 115, 119, 0.3) 65%,
    transparent 100%);
  filter: blur(2px);
  animation: breathCore 6s ease-in-out infinite;
}

@keyframes breathPulse {
  0%, 100% { transform: scale(0.85); opacity: 0.55; }
  50%      { transform: scale(1.05); opacity: 0.95; }
}
@keyframes breathCore {
  0%, 100% { transform: scale(0.92); }
  50%      { transform: scale(1.08); }
}

.hero h1 {
  background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.72) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--s-3);
}

.hero__sub {
  font-size: clamp(16px, 2.1vw, 21px);
  color: var(--c-text-dim);
  max-width: 640px;
  margin: 0 auto var(--s-7);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 7px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-bottom: var(--s-5);
}

.hero__cta-row {
  display: flex;
  gap: var(--s-4);
  justify-content: center;
  flex-wrap: wrap;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: 14px;
  background: linear-gradient(180deg, #1f2942, #14192b);
  border: 1px solid var(--c-border-strong);
  color: var(--c-text);
  font-weight: 600;
  transition: transform 220ms ease, border-color 220ms ease;
  min-width: 220px;
  justify-content: flex-start;
}
.store-btn:hover {
  color: var(--c-text);
  transform: translateY(-2px);
  border-color: rgba(69, 179, 187, 0.45);
}
.store-btn__icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.store-btn__caption {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.15;
}
.store-btn__caption small {
  font-size: 10px;
  opacity: 0.55;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.store-btn__caption strong { font-size: 16px; font-weight: 700; }

/* ─── Stats strip ─────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
  padding: var(--s-7) 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  margin: 0 auto;
  max-width: var(--w-content);
}
.stat__num {
  font-family: var(--f-display);
  font-size: clamp(28px, 4.8vw, 44px);
  font-weight: 800;
  background: linear-gradient(135deg, var(--c-secondary), var(--c-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 4px;
  text-align: center;
}
.stat__lbl {
  font-size: 12.5px;
  color: var(--c-text-faint);
  text-align: center;
  letter-spacing: 0.4px;
  display: block;
}
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ─── Feature grid ────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
@media (max-width: 980px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .features { grid-template-columns: 1fr; } }

.feature {
  background: linear-gradient(180deg, var(--c-surface), var(--c-bg-deep));
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  position: relative;
  overflow: hidden;
  transition: transform 280ms cubic-bezier(.2, .8, .2, 1), border-color 280ms ease;
}
.feature:hover {
  transform: translateY(-4px);
  border-color: rgba(69, 179, 187, 0.4);
}
.feature::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 145, 155, 0.18), transparent 70%);
  pointer-events: none;
}
.feature__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(13, 115, 119, 0.35), rgba(20, 145, 155, 0.18));
  border: 1px solid rgba(69, 179, 187, 0.35);
  display: grid;
  place-items: center;
  font-size: 22px;
  margin-bottom: var(--s-4);
}
.feature h3 {
  font-size: 19px;
  margin-bottom: 8px;
}
.feature p {
  color: var(--c-text-dim);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ─── Categories grid ─────────────────────────────────── */
.cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
@media (max-width: 880px) { .cats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .cats { grid-template-columns: 1fr; } }

.cat {
  border-radius: var(--r-md);
  padding: var(--s-5);
  position: relative;
  overflow: hidden;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid var(--c-border);
}
.cat::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cat-bg, linear-gradient(135deg, #0D7377, #14919B));
  opacity: 0.32;
}
.cat::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 13, 24, 0.85) 100%);
}
.cat > * { position: relative; z-index: 1; }
.cat__icon {
  font-size: 22px;
  margin-bottom: 4px;
}
.cat__name {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.2px;
}
.cat__hint {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12.5px;
  margin-top: 2px;
}

/* category color overrides */
.cat--balance  { --cat-bg: linear-gradient(135deg, #00897B, #4DB6AC); }
.cat--calm     { --cat-bg: linear-gradient(135deg, #5C6BC0, #7986CB); }
.cat--energize { --cat-bg: linear-gradient(135deg, #F4511E, #FFB74D); }
.cat--focus    { --cat-bg: linear-gradient(135deg, #1E88E5, #64B5F6); }
.cat--unwind   { --cat-bg: linear-gradient(135deg, #6A1B9A, #BA68C8); }
.cat--uplift   { --cat-bg: linear-gradient(135deg, #FF8F00, #FFD54F); }

/* ─── Pricing cards ──────────────────────────────────── */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  max-width: 920px;
  margin: 0 auto;
}
@media (max-width: 760px) { .pricing { grid-template-columns: 1fr; } }

.plan {
  background: linear-gradient(180deg, var(--c-surface), var(--c-bg-deep));
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--s-6) var(--s-5);
  text-align: center;
  position: relative;
  transition: transform 240ms ease, border-color 240ms ease;
}
.plan:hover { transform: translateY(-3px); }
.plan--featured {
  border-color: rgba(232, 168, 124, 0.55);
  box-shadow: 0 18px 50px -18px rgba(232, 168, 124, 0.3);
}
.plan__badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--c-accent), #FF8A65);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 5px 12px;
  border-radius: 20px;
  white-space: nowrap;
}
.plan__name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-bottom: var(--s-2);
}
.plan__price {
  font-family: var(--f-display);
  font-size: 38px;
  font-weight: 800;
  color: var(--c-text);
}
.plan__per {
  font-size: 13px;
  color: var(--c-text-faint);
  margin-bottom: var(--s-4);
}
.plan__line {
  font-size: 13px;
  color: var(--c-success);
  font-weight: 700;
  margin-top: var(--s-3);
}

/* ─── Languages grid ──────────────────────────────────── */
.langs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--s-3);
  max-width: 920px;
  margin: 0 auto;
}
.lang {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: 13.5px;
  color: var(--c-text-dim);
}
.lang__flag { font-size: 18px; }

/* ─── Disclaimer band ────────────────────────────────── */
.disclaimer {
  margin: var(--s-7) auto 0;
  max-width: 760px;
  padding: var(--s-5);
  background: rgba(232, 168, 124, 0.06);
  border: 1px solid rgba(232, 168, 124, 0.25);
  border-radius: var(--r-md);
  font-size: 13.5px;
  color: var(--c-text-dim);
  text-align: center;
  line-height: 1.65;
}

/* ─── Footer ──────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--c-border);
  padding: var(--s-7) 0 var(--s-5);
  margin-top: var(--s-8);
  background: var(--c-bg-deep);
}
.footer__inner {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 var(--s-5);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--s-7);
}
@media (max-width: 760px) {
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--s-5);
  }
}
.footer__brand-name {
  font-weight: 800;
  font-size: 19px;
  color: var(--c-text);
  margin-bottom: var(--s-2);
}
.footer__about {
  color: var(--c-text-faint);
  font-size: 13.5px;
  max-width: 360px;
  line-height: 1.6;
}
.footer__col h4 {
  font-size: 12px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--c-text-faint);
  margin-bottom: var(--s-3);
}
.footer__col a {
  display: block;
  color: var(--c-text-dim);
  font-size: 13.5px;
  padding: 4px 0;
}
.footer__col a:hover { color: var(--c-text); }
.footer__bottom {
  max-width: var(--w-content);
  margin: var(--s-6) auto 0;
  padding: var(--s-4) var(--s-5) 0;
  border-top: 1px solid var(--c-border);
  font-size: 12px;
  color: var(--c-text-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ─── Long-form content (privacy + terms pages) ──────── */
.doc {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--s-9) var(--s-5) var(--s-8);
}
.doc h1 {
  font-size: clamp(32px, 5.2vw, 48px);
  margin-bottom: var(--s-3);
}
.doc__meta {
  color: var(--c-text-faint);
  font-size: 14px;
  margin-bottom: var(--s-7);
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--c-border);
}
.doc h2 {
  font-size: 22px;
  margin: var(--s-7) 0 var(--s-3);
  color: var(--c-text);
}
.doc h3 {
  font-size: 16.5px;
  margin: var(--s-5) 0 var(--s-3);
  color: var(--c-secondary);
  font-weight: 700;
}
.doc p, .doc li {
  color: var(--c-text-dim);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: var(--s-3);
}
.doc ul {
  margin: 0 0 var(--s-3) var(--s-5);
}
.doc li {
  list-style: disc;
  margin-bottom: var(--s-2);
}
.doc strong { color: var(--c-text); font-weight: 700; }
.doc__callout {
  background: rgba(20, 145, 155, 0.09);
  border-left: 3px solid var(--c-secondary);
  padding: var(--s-4) var(--s-5);
  border-radius: 10px;
  margin: var(--s-4) 0;
  font-size: 14px;
  color: var(--c-text-dim);
}
.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--s-4) 0;
  font-size: 14px;
}
.doc th, .doc td {
  border: 1px solid var(--c-border);
  padding: 10px 14px;
  text-align: left;
  color: var(--c-text-dim);
}
.doc th {
  background: var(--c-surface);
  color: var(--c-text);
  font-weight: 700;
}

/* ─── Download modal ──────────────────────────────────── */
.dl-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: var(--s-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}
.dl-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}
.dl-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 13, 24, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.dl-modal__panel {
  position: relative;
  max-width: 460px;
  width: 100%;
  padding: var(--s-7) var(--s-6) var(--s-6);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--c-surface), var(--c-bg-deep));
  border: 1px solid var(--c-border-strong);
  box-shadow: 0 40px 120px -30px rgba(0, 0, 0, 0.7),
              0 0 0 1px rgba(69, 179, 187, 0.18) inset;
  text-align: center;
  transform: translateY(14px) scale(0.97);
  transition: transform 320ms cubic-bezier(.2, .8, .2, 1);
}
.dl-modal.is-open .dl-modal__panel {
  transform: translateY(0) scale(1);
}
.dl-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--c-text-dim);
  border-radius: 999px;
  transition: background 200ms ease, color 200ms ease;
}
.dl-modal__close svg { width: 18px; height: 18px; }
.dl-modal__close:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--c-text);
}
.dl-modal__title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: var(--s-2);
}
.dl-modal__sub {
  color: var(--c-text-dim);
  font-size: 14.5px;
  margin-bottom: var(--s-5);
}
.dl-modal__btns {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  align-items: stretch;
}
.dl-modal__btns .store-btn {
  width: 100%;
  min-width: 0;
  justify-content: center;
}

/* ─── Reveal-on-scroll ────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2, .8, .2, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .hero__pulse::before, .hero__pulse::after, .hero__pulse-core { animation: none; }
}