/* hellalingo.com: one flat brand blue (the app's Aegean), cream for the Η, system fonts, no scripts. */

:root {
  --blue: #2457F5;
  --blue-press: #1B47D6;
  --cream: #F7F3EA;
  --ink: #0E1430;
  --muted: #5A6174;
  --paper: #FBFAF7;
  --card: #FFFFFF;
  --line: #E7E3DA;
  --radius: 22px;
  --max: 1120px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #EEF0F6;
    --muted: #9CA3B4;
    --paper: #0B0D12;
    --card: #14171E;
    --line: #262A34;
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--blue); text-underline-offset: 3px; }
@media (prefers-color-scheme: dark) { a { color: #7C9BFF; } }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */

.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand .wordmark { width: auto; height: 27px; }   /* Baloo 2 ExtraBold as outlines: design/logo/make_wordmark.swift */

.site-header nav { display: flex; gap: 22px; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
.site-header nav a:hover { color: var(--ink); }

/* Store buttons: the App Store, and the Android download page. */

.store {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 54px; padding: 0 26px; border-radius: 999px;
  background: var(--ink); color: var(--paper);
  font-weight: 600; font-size: 17px; text-decoration: none;
}
.store[aria-disabled="true"] { cursor: default; }
.store small { font-weight: 500; opacity: 0.7; font-size: 14px; }
.stores { display: flex; flex-wrap: wrap; gap: 12px; }
.store-alt { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--line); }
.band .store-alt { background: transparent; color: var(--cream); box-shadow: inset 0 0 0 2px rgba(247, 243, 234, 0.45); }

/* Hero */

.hero { padding: 72px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }

.eyebrow {
  margin: 0 0 14px; color: var(--blue);
  font-size: 14px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
@media (prefers-color-scheme: dark) { .eyebrow { color: #7C9BFF; } }

h1 { margin: 0; font-size: clamp(40px, 6vw, 64px); line-height: 1.04; letter-spacing: -0.025em; font-weight: 800; }
h1 .greek { color: var(--blue); }
@media (prefers-color-scheme: dark) { h1 .greek { color: #7C9BFF; } }

.lede { margin: 22px 0 30px; font-size: 20px; line-height: 1.55; color: var(--muted); max-width: 34em; }
.note { margin: 16px 0 0; font-size: 15px; color: var(--muted); }

/* Real iPhone 16 Pro Max frames from iMockup.pro (transparent PNG → WebP), one style everywhere. */
.phone { margin: 0 auto; width: min(100%, 340px); }
.phone img { width: 100%; height: auto; filter: drop-shadow(0 28px 36px rgba(14, 20, 48, 0.22)); }

/* Feature rows */

.features { padding: 40px 0 24px; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 48px 0; border-top: 1px solid var(--line); }
.feature:nth-child(even) .feature-text { order: 2; }
.feature h2 { margin: 0 0 12px; font-size: clamp(28px, 3.4vw, 38px); line-height: 1.12; letter-spacing: -0.02em; }
.feature p { margin: 0; color: var(--muted); font-size: 18px; max-width: 30em; }
.feature .phone { width: min(100%, 300px); }
.tag { display: inline-block; margin-bottom: 14px; padding: 4px 12px; border-radius: 999px; background: rgba(36, 87, 245, 0.1); color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: 0.04em; }
@media (prefers-color-scheme: dark) { .tag { background: rgba(124, 155, 255, 0.14); color: #9BB3FF; } }

/* Smaller points */

.points { padding: 24px 0 72px; }
.points ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.points li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 26px 24px; }
.points h3 { margin: 0 0 6px; font-size: 19px; }
.points p { margin: 0; color: var(--muted); font-size: 16px; }

/* Closing band */

.band { background: var(--blue); color: var(--cream); }
.band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 64px 24px; }
.band h2 { margin: 0; font-size: clamp(28px, 3.6vw, 42px); line-height: 1.1; letter-spacing: -0.02em; max-width: 16em; }
.band svg { width: 88px; height: 88px; flex: none; }
.band .store { background: var(--cream); color: var(--ink); }

/* Footer */

.site-footer { padding: 40px 0 56px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: grid; gap: 14px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }
.site-footer p { margin: 0; }
.site-footer .credit { font-size: 13px; }

/* Legal and support pages */

.doc { padding: 56px 0 72px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(36px, 5vw, 48px); }
.doc .updated { margin: 10px 0 34px; color: var(--muted); font-size: 15px; }
.doc h2 { margin: 42px 0 10px; font-size: 24px; letter-spacing: -0.01em; }
.doc h3 { margin: 26px 0 6px; font-size: 18px; }
.doc p, .doc li { color: var(--ink); }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc code { font-size: 14px; word-break: break-all; }
.doc .summary { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin: 0 0 8px; }
.doc .summary ul { margin: 0; }

/* Phones and small tablets */

@media (max-width: 860px) {
  body { font-size: 16px; }
  .hero { padding: 40px 0 24px; }
  .hero .wrap, .feature { grid-template-columns: 1fr; gap: 32px; }
  .feature:nth-child(even) .feature-text { order: 0; }
  .feature { padding: 40px 0; }
  .points ul { grid-template-columns: 1fr; }
  .band .wrap { flex-direction: column; align-items: flex-start; padding: 48px 24px; }
  .band svg { display: none; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .site-header nav { gap: 16px; }
  .site-header nav a.optional { display: none; }
  .lede { font-size: 18px; }
  .store { width: 100%; justify-content: center; }
}