/* AltMail website. Plain CSS, no build step. */

:root {
  --text: #1d1d1f;
  --muted: #6e6e73;
  --bg: #ffffff;
  --grey: #f5f5f7;
  --card: #ffffff;
  --line: #d2d2d7;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --link: #0066cc;
  --dark: #000000;
  --dark-card: #1d1d1f;
  --dark-text: #f5f5f7;
  --dark-muted: #a1a1a6;
  --radius: 28px;
  --wrap: 1080px;
  --gutter: 22px;
  /* System fonts: San Francisco on Apple devices, Segoe UI Variable on Windows. No web fonts to download. */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Display", "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 52px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.022em;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 600; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--bg); padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 8px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.center { text-align: center; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.nav-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); height: 52px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 600; font-size: 19px; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.nav nav { margin-left: auto; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--text); font-size: 12px; opacity: 0.8; letter-spacing: -0.01em; }
.nav-links a:hover { opacity: 1; text-decoration: none; }

/* Buttons and links */
.pill {
  display: inline-block; background: var(--blue); color: #fff;
  padding: 12px 22px; border-radius: 980px; font-size: 17px; font-weight: 400;
  transition: background 0.2s;
}
.pill:hover { background: var(--blue-hover); text-decoration: none; }
.pill.small { padding: 4px 12px; font-size: 12px; }
.link { font-size: 19px; }
.link span { display: inline-block; transition: transform 0.2s; }
.link:hover { text-decoration: none; }
.link:hover span { transform: translateX(3px); }
.ctas { display: flex; gap: 28px; align-items: center; justify-content: center; flex-wrap: wrap; }

/* Hero */
.hero { text-align: center; padding: 72px var(--gutter) 0; overflow: hidden; }
.eyebrow { font-size: 21px; font-weight: 600; color: var(--blue); margin-bottom: 8px; }
.hero h1 { font-size: clamp(44px, 8vw, 88px); line-height: 1.05; letter-spacing: -0.035em; max-width: 900px; margin: 0 auto; }
.lede { font-size: clamp(19px, 2.4vw, 24px); line-height: 1.38; color: var(--muted); max-width: 680px; margin: 20px auto 32px; letter-spacing: -0.01em; }
.hero-shot { max-width: 1180px; margin: 64px auto 0; padding-bottom: 96px; }

/* A Windows 11 window around a screenshot. */
.window {
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12), 0 30px 60px -12px rgba(0, 0, 0, 0.25), 0 18px 36px -18px rgba(0, 0, 0, 0.3);
}

/* Live demo: the real app (demo/, built by npm run build:demo) drawn at 1280×820 and scaled to fit. */
.demo { position: relative; }
.demo iframe {
  position: absolute; left: 0; top: 0; width: 1280px; height: 820px; border: 0;
  transform: scale(var(--demo-scale, 1)); transform-origin: 0 0; background: #fff;
  opacity: 0; transition: opacity 0.4s;
}
.demo iframe.ready { opacity: 1; }
.demo.live { animation: none !important; transform: none !important; opacity: 1 !important; }
.demo-start {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 8px; border: 0; cursor: pointer;
  padding: 12px 22px 12px 18px; border-radius: 980px; font-size: 17px; color: #fff;
  background: rgba(29, 29, 31, 0.72); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2); transition: background 0.2s, transform 0.2s;
}
.demo-start:hover { background: rgba(29, 29, 31, 0.86); transform: translateX(-50%) scale(1.03); }
.demo-start svg { width: 18px; height: 18px; fill: currentColor; }
.demo:is(.live, .auto) .demo-start { display: none; }
.demo-bar { margin-top: 18px; font-size: 14px; color: var(--muted); }
.link-button { border: 0; background: none; padding: 0 0 0 6px; color: var(--link); cursor: pointer; font-size: 14px; }
.link-button:hover { text-decoration: underline; }

/* Sections */
.band { padding: 120px 0; }
.band.grey { background: var(--grey); }
.band.dark { background: var(--dark); color: var(--dark-text); }
.section-head { margin-bottom: 56px; max-width: 760px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head h2, .split-text h2, .final h2 { font-size: clamp(36px, 5.6vw, 56px); line-height: 1.07; letter-spacing: -0.03em; }
.section-head p { margin-top: 16px; font-size: 21px; line-height: 1.38; color: var(--muted); letter-spacing: -0.01em; }
.dark .section-head p { color: var(--dark-muted); }

/* At a glance */
.glance { padding: 0 0 96px; }
.glance-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 32px; border-top: 1px solid var(--line); padding-top: 56px; }
.glance-list { row-gap: 48px; }
.glance-list li { flex: 0 0 calc((100% - 64px) / 3); text-align: center; }
.glance-list svg { width: 36px; height: 36px; fill: none; stroke: var(--blue); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin: 0 auto 14px; display: block; }
.glance-list h3 { font-size: 19px; line-height: 1.25; letter-spacing: -0.015em; margin-bottom: 6px; }
.glance-list p { font-size: 14px; line-height: 1.43; color: var(--muted); letter-spacing: -0.01em; }

/* Highlights carousel */
.carousel { position: relative; }
.cards {
  display: flex; gap: 20px;
  overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding: 4px max(var(--gutter), calc((100vw - var(--wrap)) / 2 + var(--gutter))) 24px;
  scroll-padding: 0 max(var(--gutter), calc((100vw - var(--wrap)) / 2 + var(--gutter)));
}
.cards::-webkit-scrollbar { display: none; }
/* Cards are as tall as the tallest one's content; each picture starts under its headline and
   grows to fill the rest of the card. */
.card {
  --pad: 32px;
  flex: 0 0 min(372px, 82vw);
  scroll-snap-align: start;
  background: var(--card);
  border-radius: var(--radius);
  padding: var(--pad) var(--pad) 0;
  display: flex; flex-direction: column;
  overflow: hidden;
  container-type: inline-size;
}
.card-kicker { font-size: 14px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.card h3 { font-size: 26px; line-height: 1.15; letter-spacing: -0.025em; margin-bottom: 24px; }
/* In a card, a crop shows its region at the card's width, then as much of the screenshot below it
   as the card has room for (never past the screenshot's bottom edge). --cw is the crop's width. */
.card .crop {
  --cw: calc(100cqw + 2 * var(--pad));
  flex: 1 0 auto; aspect-ratio: auto;
  height: calc(var(--rh) / var(--rw) * var(--cw));
  max-height: calc((820 - var(--ry)) / var(--rw) * var(--cw));
  margin: 0 calc(-1 * var(--pad)); border-radius: 0; box-shadow: inset 0 1px 0 rgba(0, 0, 0, 0.06);
}
.card .crop img {
  width: calc(1280 / var(--rw) * var(--cw));
  left: calc(var(--rx) / var(--rw) * -1 * var(--cw));
  top: calc(var(--ry) / var(--rw) * -1 * var(--cw));
}
.card-note { font-size: 14px; color: var(--muted); padding: 14px 0 24px; }
.card .crop.float {
  --cw: 100cqw;
  margin: auto 0 var(--pad); border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06), 0 14px 30px -10px rgba(0, 0, 0, 0.22);
}
.card .crop:not(.float) { background: var(--card); }
.card.art { padding-bottom: 0; }
.art-tile { flex: 1 0 auto; min-height: 200px; border-radius: 20px; display: grid; place-items: center; }
.art-tile svg { width: 38%; fill: none; stroke: #fff; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.art-tile.orange { background: linear-gradient(160deg, #ffb340, #ff7a1a); }
.art-tile.blue { background: linear-gradient(160deg, #3a9dfc, #2676fd); }
.carousel-nav { display: flex; justify-content: flex-end; gap: 14px; max-width: var(--wrap); margin: 8px auto 0; padding: 0 var(--gutter); }
.round {
  width: 36px; height: 36px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(210, 210, 215, 0.64); display: grid; place-items: center; transition: background 0.2s, opacity 0.2s;
}
.round:hover { background: rgba(223, 223, 227, 0.9); }
.round:disabled { opacity: 0.35; cursor: default; }
.round svg { width: 18px; fill: none; stroke: var(--text); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* Zooms into part of a 1280×820 screenshot: --rx, --ry, --rw, --rh is the region shown, in pixels. */
.crop { position: relative; overflow: hidden; aspect-ratio: var(--rw) / var(--rh); background: #fff; }
.crop img {
  position: absolute; max-width: none;
  width: calc(1280 / var(--rw) * 100%);
  left: calc(var(--rx) / var(--rw) * -100%);
  top: calc(var(--ry) / var(--rh) * -100%);
}

/* Light, dark and OLED */
.segmented { display: flex; width: max-content; margin: 0 auto 40px; background: #e8e8ed; border-radius: 980px; padding: 3px; }
.segmented button { border: 0; background: transparent; padding: 7px 22px; border-radius: 980px; cursor: pointer; font-size: 15px; transition: background 0.25s, box-shadow 0.25s; }
.segmented button[aria-checked="true"] { background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15); }
.modes { position: relative; max-width: 1080px; margin: 0 auto; }
.modes :is(.mode-dark, .mode-oled) { position: absolute; inset: 0; opacity: 0; transition: opacity 0.6s ease; }
.modes[data-mode="dark"] .mode-dark, .modes[data-mode="oled"] :is(.mode-dark, .mode-oled) { opacity: 1; }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tile { background: var(--card); border-radius: var(--radius); padding: 36px; overflow: hidden; }
.tile h3 { font-size: 24px; line-height: 1.17; letter-spacing: -0.02em; margin-bottom: 10px; }
.tile p { color: var(--muted); }
.tile.wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.6fr; gap: 36px; align-items: center; padding: 0 0 0 40px; }
.tile.wide h3 { font-size: 32px; letter-spacing: -0.025em; }
.flags { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 14px; padding: 40px 40px 40px 0; }
.flags li { display: flex; align-items: center; gap: 12px; background: var(--grey); border-radius: 14px; padding: 12px 16px; font-size: 16px; font-weight: 500; }
.flags li::before {
  content: ""; width: 18px; height: 20px; flex: none; background: var(--c);
  clip-path: polygon(0 0, 100% 0, 78% 32%, 100% 64%, 12% 64%, 12% 100%, 0 100%);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chips li { background: var(--grey); border-radius: 980px; padding: 5px 13px; font-size: 14px; }

/* Search: the query types itself, and each term's meaning appears as it's finished. */
.search-demo { margin-top: 22px; }
.search-field { display: flex; align-items: center; gap: 10px; min-height: 46px; padding: 11px 18px; border-radius: 980px; background: var(--grey); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06); }
.search-field svg { width: 18px; height: 18px; flex: none; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; }
.search-text { min-width: 0; font-family: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace; font-size: 14px; letter-spacing: 0; overflow-wrap: anywhere; }
.caret { display: inline-block; width: 2px; height: 1.2em; margin-left: 1px; vertical-align: -0.25em; background: var(--blue); animation: caret 1.06s steps(1) infinite; }
.search-demo.typing .caret { animation: none; }
@keyframes caret { 50% { opacity: 0; } }
.search-terms { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.search-terms li { display: flex; align-items: center; gap: 6px; padding: 5px 12px 5px 10px; border-radius: 980px; background: #e8f1fd; color: #0058b9; font-size: 14px; transition: opacity 0.35s ease, transform 0.35s ease; }
.search-terms svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.search-demo.armed .search-terms li:not(.on) { opacity: 0; transform: translateY(6px); }

/* Compose */
.split { display: grid; grid-template-columns: 1fr 1.45fr; gap: 56px; align-items: center; }
.ticks { margin-top: 32px; display: grid; gap: 16px; }
.ticks li { padding-left: 32px; position: relative; color: var(--muted); font-size: 19px; line-height: 1.4; }
.ticks li strong { color: var(--text); font-weight: 600; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.5l2.5 2.5L14 7.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 20px no-repeat;
}
.window.compose { max-width: 640px; justify-self: end; width: 100%; }

/* Privacy */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.features li { background: var(--dark-card); border-radius: var(--radius); padding: 32px; }
.features svg { width: 34px; height: 34px; fill: none; stroke: #2997ff; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 20px; }
.features h3 { font-size: 21px; line-height: 1.2; margin-bottom: 8px; letter-spacing: -0.02em; }
.features p { color: var(--dark-muted); }

/* Accounts */
.providers { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; max-width: 760px; margin: 0 auto; }
.providers li { border: 1px solid var(--line); border-radius: 980px; padding: 12px 22px; font-size: 19px; font-weight: 500; }

/* Windows */
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid4 li { background: var(--card); border-radius: var(--radius); padding: 30px; }
.grid4 h3 { font-size: 19px; line-height: 1.25; margin-bottom: 8px; letter-spacing: -0.015em; }
.grid4 p { color: var(--muted); font-size: 15px; }

/* Compare */
.compare { overflow-x: auto; border-radius: var(--radius); background: var(--grey); }
.compare table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 15px; table-layout: fixed; }
.compare th, .compare td { padding: 18px 20px; text-align: center; vertical-align: middle; border-top: 1px solid var(--line); }
.compare thead th { border-top: 0; padding-top: 28px; font-size: 17px; font-weight: 600; vertical-align: bottom; }
.compare thead th img { margin: 0 auto 8px; }
.compare tbody th { text-align: left; font-weight: 500; }
.compare thead th:first-child { width: 22%; }
.compare td { color: var(--muted); }
.compare td strong { color: var(--text); font-weight: 600; }
.compare small { display: block; font-size: 12px; line-height: 1.35; color: var(--muted); margin-top: 4px; }
.compare .ours { background: rgba(0, 113, 227, 0.07); color: var(--text); }
.compare thead .ours { color: var(--blue); border-radius: 18px 18px 0 0; }
.compare tbody tr:last-child .ours { border-radius: 0 0 18px 18px; }
.compare svg { width: 22px; height: 22px; display: block; margin: 0 auto; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.compare svg.yes { stroke: var(--blue); }
.compare svg.no { stroke: #aeaeb2; }
.footnote { margin-top: 20px; font-size: 12px; line-height: 1.5; color: var(--muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.price-line { margin-top: 18px; font-size: 14px; color: var(--muted); }

/* Download */
.final { padding: 140px 0; background: var(--grey); }
.final .final-price { font-size: 40px; font-weight: 600; color: var(--text); letter-spacing: -0.02em; margin: 8px 0 0; }
.final img { margin: 0 auto 28px; filter: drop-shadow(0 12px 24px rgba(38, 118, 253, 0.3)); }
.final p { font-size: 21px; color: var(--muted); margin: 12px 0 32px; }
.final p.fine { font-size: 14px; margin: 18px 0 0; }
.final p.fine:empty { display: none; }

/* Footer */
.footer { background: var(--grey); border-top: 1px solid var(--line); padding: 20px 0 28px; font-size: 12px; color: var(--muted); }
.footer p + p { margin-top: 10px; }

/* Motion: content fades up as it scrolls in (main.js adds .in). */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
.hero .reveal:nth-child(2) { transition-delay: 0.08s; }
.hero .reveal:nth-child(3) { transition-delay: 0.16s; }
.hero .reveal:nth-child(4) { transition-delay: 0.24s; }

/* The hero window settles into place as the page scrolls. */
@supports (animation-timeline: view()) {
  .hero-shot .window { animation: settle linear both; animation-timeline: view(); animation-range: entry 0% cover 45%; }
  @keyframes settle {
    from { transform: perspective(1600px) rotateX(14deg) scale(0.9); opacity: 0.6; }
    to { transform: none; opacity: 1; }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-shot .window { animation: none !important; }
  .modes :is(.mode-dark, .mode-oled) { transition: none; }
  .caret { animation: none; }
}

/* Tablet */
@media (max-width: 1000px) {
  .glance-list { row-gap: 40px; }
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .tile.wide { grid-template-columns: 1fr; padding: 36px 0 0; gap: 28px; }
  .tile.wide .tile-text { padding: 0 36px; }
  .flags { padding: 0 36px 36px; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .window.compose { justify-self: center; }
}

/* Phone */
@media (max-width: 680px) {
  :root { --gutter: 16px; --radius: 22px; }
  .nav-links { display: none; }
  .nav .pill.small { margin-left: auto; }
  .hero { padding-top: 48px; }
  .hero-shot { margin-top: 44px; padding-bottom: 64px; }
  /* Too small to use; the screenshot stays. */
  .demo-start { display: none; }
  .band { padding: 80px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head p { font-size: 19px; }
  .bento, .features, .grid4 { grid-template-columns: 1fr; }
  .glance { padding-bottom: 64px; }
  .glance-list { gap: 32px 20px; padding-top: 44px; }
  .glance-list li { flex: 0 0 calc((100% - 20px) / 2); }
  .tile, .features li, .grid4 li { padding: 28px; }
  .tile.wide { padding: 28px 0 0; }
  .tile.wide .tile-text { padding: 0 28px; }
  .flags { padding: 0 28px 28px; grid-template-columns: 1fr; }
  /* The query wraps to two lines; keep room for both so the tile doesn't grow as it types. */
  .search-field { min-height: 66px; border-radius: 22px; }
  .card { --pad: 24px; padding-top: 28px; }
  .providers li { font-size: 16px; padding: 10px 18px; }
  /* The table scrolls sideways; the feature names stay put. */
  .compare tbody th, .compare thead th:first-child { position: sticky; left: 0; background: var(--grey); z-index: 1; }
  .compare th, .compare td { padding: 14px 12px; }
  .final { padding: 96px 0; }
}