/* DNNGraphics · company site styles. Plain CSS, no build step. */
:root {
  --ink: #0d1530;
  --ink-2: #47506b;
  --ink-3: #6b7390;
  --paper: #ffffff;
  --mist: #f3f5fa;
  --line: #e2e6f0;
  --brand: #1a5fd6;
  --brand-2: #0d47ad;
  --glow: #4ea0ff;
  --night: #0a1028;
  --night-2: #131c3d;
  --ok: #18a058;
  --radius: 22px;
  --shadow: 0 18px 50px -20px rgba(13, 21, 48, .35);
  --wrap: 1160px;
  font-synthesis: none;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-inline-size: 100%; block-size: auto; display: block; }
a { color: var(--brand); }
h1, h2, h3 { font-family: "Sora", "Inter", system-ui, sans-serif; line-height: 1.12; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.3rem, 5.6vw, 4.1rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.wrap { inline-size: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.skip { position: absolute; inset-inline-start: -999px; }
.skip:focus { inset-inline-start: 16px; inset-block-start: 16px; z-index: 99; background: #fff; padding: 8px 14px; border-radius: 8px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .85em 1.5em; border-radius: 999px; border: 2px solid transparent;
  font: 700 .95rem/1 inherit; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { inline-size: 1.05em; block-size: 1.05em; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 10px 24px -10px var(--brand); }
.btn-primary:hover { background: var(--brand-2); }
.btn-light { background: #fff; color: var(--ink); }
.btn-ghost { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }
.btn-line { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-line:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- header ---------- */
.site-head {
  position: sticky; inset-block-start: 0; z-index: 50;
  background: rgba(10, 16, 40, .82); backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-block-end: 1px solid rgba(255, 255, 255, .08);
}
.site-head .wrap { display: flex; align-items: center; gap: 24px; block-size: 70px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font: 800 1.2rem/1 "Sora", system-ui, sans-serif; letter-spacing: -.02em; }
.logo-mark { inline-size: 36px; block-size: 36px; flex: none; }
.logo b { color: var(--glow); font-weight: 800; }
.nav { margin-inline-start: auto; display: flex; align-items: center; gap: 6px; }
.nav a { color: rgba(255, 255, 255, .78); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 8px 14px; border-radius: 999px; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, .08); }
.nav .btn { margin-inline-start: 8px; padding: .7em 1.2em; color: #fff; }
.nav .btn:hover { background: var(--brand-2); }
.menu-btn { display: none; margin-inline-start: auto; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer; }
.menu-btn svg { inline-size: 28px; block-size: 28px; }

@media (max-width: 860px) {
  .menu-btn { display: block; }
  .nav {
    position: absolute; inset-inline: 0; inset-block-start: 70px;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--night); padding: 12px 16px 20px;
    border-block-end: 1px solid rgba(255, 255, 255, .08);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; }
  .nav .btn { margin: 8px 0 0; }
}

/* ---------- hero (dark, curved bottom edge) ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(60% 70% at 85% 10%, rgba(78, 160, 255, .35), transparent 60%),
    radial-gradient(50% 60% at 0% 100%, rgba(26, 95, 214, .45), transparent 60%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%);
  padding-block: 72px 0;
}
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.hero p.lead { font-size: 1.15rem; color: rgba(255, 255, 255, .78); max-inline-size: 34em; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand); margin-block-end: 14px;
}
.hero .eyebrow { color: var(--glow); }
.eyebrow .dot { inline-size: 8px; block-size: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px rgba(78, 160, 255, .2); }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #7cc0ff, #ffffff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 28px 8px; }
.hero-note { font-size: .9rem; color: rgba(255, 255, 255, .55); }
.curve-edge { display: block; inline-size: 100%; block-size: clamp(50px, 8vw, 120px); margin-block-start: -1px; color: var(--paper); }
.curve-edge.to-mist { color: var(--mist); }

/* phone frames */
.phones { position: relative; block-size: 560px; }
.phone {
  position: absolute; inline-size: 250px; aspect-ratio: 390 / 844;
  border-radius: 40px; padding: 9px; background: #05091a;
  box-shadow: 0 0 0 2px #2a3358, var(--shadow), 0 40px 80px -30px rgba(0, 0, 0, .6);
}
.phone img { inline-size: 100%; block-size: 100%; object-fit: cover; object-position: top; border-radius: 32px; }
.phone::before {
  content: ""; position: absolute; inset-block-start: 17px; inset-inline-start: 50%;
  inline-size: 34%; block-size: 22px; border-radius: 99px; background: #05091a; transform: translateX(-50%); z-index: 1;
}
.phones .phone:nth-child(1) { inset-inline-start: 0; inset-block-start: 70px; transform: rotate(-7deg); }
.phones .phone:nth-child(2) { inset-inline-start: 50%; inset-block-start: 0; transform: translateX(-50%); z-index: 2; inline-size: 270px; }
.phones .phone:nth-child(3) { inset-inline-end: 0; inset-block-start: 70px; transform: rotate(7deg); }
[dir="rtl"] .phones .phone:nth-child(2) { transform: translateX(50%); }

@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-inline: auto; }
  .actions { justify-content: center; }
  .phones { block-size: 440px; max-inline-size: 520px; inline-size: 100%; margin-inline: auto; }
  .phone { inline-size: 190px; }
  .phones .phone:nth-child(2) { inline-size: 205px; }
}
@media (max-width: 520px) {
  .hero { padding-block-start: 48px; }
  .phones { block-size: 360px; }
  .phone { inline-size: 150px; border-radius: 28px; padding: 6px; }
  .phone img { border-radius: 23px; }
  .phone::before { inset-block-start: 11px; block-size: 14px; }
  .phones .phone:nth-child(2) { inline-size: 168px; }
  .phones .phone:nth-child(1), .phones .phone:nth-child(3) { inset-block-start: 50px; }
}

/* ---------- sections ---------- */
.section { padding-block: 88px; }
.section.mist { background: var(--mist); }
.section-head { max-inline-size: 680px; margin-block-end: 48px; }
.section-head.center { text-align: center; margin-inline: auto; }
.section-head p { color: var(--ink-2); font-size: 1.1rem; }
@media (max-width: 640px) { .section { padding-block: 64px; } .section-head { margin-block-end: 32px; } }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-block-start: -24px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: 0 10px 30px -22px rgba(13, 21, 48, .35); }
.stat strong { display: block; font: 800 2rem/1.1 "Sora", system-ui, sans-serif; letter-spacing: -.02em; }
.stat span { color: var(--ink-3); font-size: .95rem; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* feature cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: transform .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card p { color: var(--ink-2); margin: 0; font-size: .98rem; }
.icon {
  inline-size: 52px; block-size: 52px; display: grid; place-items: center; margin-block-end: 18px;
  border-radius: 16px 16px 16px 4px; color: #fff;
  background: linear-gradient(135deg, var(--glow), var(--brand));
}
[dir="rtl"] .icon { border-radius: 16px 16px 4px 16px; }
.icon svg { inline-size: 24px; block-size: 24px; }
@media (max-width: 980px) { .cards, .cards.three { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards, .cards.three { grid-template-columns: 1fr; } }

/* callout band */
.band {
  position: relative; overflow: hidden; border-radius: 32px; color: #fff;
  background: linear-gradient(120deg, var(--brand-2), var(--brand) 55%, #3d8bff);
  padding: clamp(32px, 6vw, 64px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center;
}
.band::after {
  content: ""; position: absolute; inset-inline-end: -120px; inset-block-start: -160px;
  inline-size: 420px; block-size: 420px; border-radius: 50%;
  border: 60px solid rgba(255, 255, 255, .08);
}
.band p { color: rgba(255, 255, 255, .85); font-size: 1.08rem; }
.band .checks { position: relative; z-index: 1; }
@media (max-width: 820px) { .band { grid-template-columns: 1fr; } }

.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks svg { flex: none; inline-size: 22px; block-size: 22px; margin-block-start: 3px; color: var(--ok); }
.band .checks svg { color: #9fe3bd; }

/* product card */
.product {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 0; align-items: stretch;
  background: #fff; border: 1px solid var(--line); border-radius: 32px; overflow: hidden; box-shadow: var(--shadow);
}
.product-media { background: #0a49b0; display: block; }
.product-media img { inline-size: 100%; block-size: 100%; object-fit: cover; object-position: top; transition: transform .4s ease; }
.product-media:hover img { transform: scale(1.03); }
.product-body { padding: clamp(28px, 4vw, 48px); display: flex; flex-direction: column; }
.product-body p { color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 4px 20px; padding: 0; list-style: none; }
.tags li { font-size: .82rem; font-weight: 600; color: var(--brand-2); background: #eaf1ff; border-radius: 999px; padding: 5px 12px; }
.badge { display: inline-block; align-self: flex-start; font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: #fff; background: var(--ok); border-radius: 6px; padding: 4px 9px; margin-block-end: 14px; }
.product .checks { margin-block-end: 28px; }
.product .actions { margin-block: auto 0; }
@media (max-width: 900px) { .product { grid-template-columns: 1fr; } .product-media img { max-block-size: 420px; } }

.soon {
  margin-block-start: 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; justify-content: space-between;
  border: 2px dashed var(--line); border-radius: var(--radius); padding: 24px 28px; color: var(--ink-2);
}
.soon strong { color: var(--ink); display: block; font-size: 1.05rem; }

/* screenshot strip */
.strip { display: flex; gap: 22px; overflow-x: auto; padding: 8px 16px 28px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.strip figure { margin: 0; flex: none; inline-size: 220px; scroll-snap-align: center; text-align: center; }
.strip .phone { position: relative; inline-size: 100%; }
.strip figcaption { margin-block-start: 14px; font-weight: 600; font-size: .92rem; color: var(--ink-2); }
@media (min-width: 1200px) { .strip { justify-content: center; flex-wrap: wrap; } }

/* split rows (image + text) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split + .split { margin-block-start: 88px; }
.split.flip > :first-child { order: 2; }
.split p { color: var(--ink-2); }
.split .shot { border-radius: 26px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.duo { display: flex; justify-content: center; gap: 20px; }
.duo .phone { position: relative; inline-size: 220px; }
.duo .phone:last-child { transform: translateY(40px); }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.flip > :first-child { order: 0; }
  .duo .phone { inline-size: 44%; max-inline-size: 200px; border-radius: 28px; padding: 6px; }
  .duo .phone img { border-radius: 23px; }
}

/* app tiles */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tiles a { display: block; border-radius: 18px; overflow: hidden; box-shadow: 0 12px 30px -18px rgba(13, 21, 48, .45); transition: transform .2s ease; }
.tiles a:hover { transform: translateY(-4px); }
.tiles img { inline-size: 100%; aspect-ratio: 300 / 180; }
@media (max-width: 860px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .tiles { grid-template-columns: 1fr; } }

/* faq */
.faq { max-inline-size: 820px; margin-inline: auto; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 4px 24px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--brand); transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-2); }

/* contact */
.contact { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: stretch; }
.person {
  background: var(--night); color: #fff; border-radius: 32px; padding: clamp(28px, 4vw, 44px);
  position: relative; overflow: hidden;
}
.person::before {
  content: ""; position: absolute; inset-inline-end: -80px; inset-block-end: -120px;
  inline-size: 320px; block-size: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(78, 160, 255, .45), transparent 70%);
}
.person p { color: rgba(255, 255, 255, .75); }
.avatar {
  inline-size: 64px; block-size: 64px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--glow), var(--brand)); font: 800 1.3rem/1 "Sora", sans-serif; margin-block-end: 18px;
}
.person .role { color: var(--glow); font-weight: 600; margin-block-end: 18px; display: block; }
.person a.mail { color: #fff; font-weight: 700; font-size: 1.15rem; text-decoration: none; border-block-end: 2px solid var(--glow); }
.form { background: #fff; border: 1px solid var(--line); border-radius: 32px; padding: clamp(24px, 4vw, 40px); display: grid; gap: 14px; }
.form label { font-weight: 600; font-size: .92rem; display: grid; gap: 6px; }
.form input, .form textarea, .form select {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--mist);
  border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; inline-size: 100%;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: 2px solid var(--brand); outline-offset: 1px; background: #fff; }
.form textarea { min-block-size: 130px; resize: vertical; }
.form small { color: var(--ink-3); }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }

/* page hero (inner pages) */
.page-hero { padding-block: 64px 0; }
@media (min-width: 961px) { .page-hero .wrap { grid-template-columns: 1.1fr .9fr; } }
.crumbs { font-size: .88rem; color: rgba(255, 255, 255, .6); margin-block-end: 16px; }
.crumbs a { color: rgba(255, 255, 255, .85); text-decoration: none; }

/* cta */
.cta { text-align: center; color: #fff; background: linear-gradient(180deg, var(--night-2), var(--night)); padding-block: 0 88px; }
.cta .curve-edge { color: var(--paper); transform: scaleY(-1); margin-block: -1px 64px; }
.cta.from-mist .curve-edge { color: var(--mist); }
.cta p { color: rgba(255, 255, 255, .75); max-inline-size: 36em; margin-inline: auto; font-size: 1.1rem; }
.cta .actions { justify-content: center; }

/* footer */
.site-foot { background: var(--night); color: rgba(255, 255, 255, .65); padding-block: 56px 32px; font-size: .95rem; border-block-start: 1px solid rgba(255, 255, 255, .06); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.site-foot h4 { color: #fff; font-size: .95rem; margin: 0 0 14px; }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-foot a { color: rgba(255, 255, 255, .7); text-decoration: none; }
.site-foot a:hover { color: #fff; }
.foot-base { margin-block-start: 40px; padding-block-start: 24px; border-block-start: 1px solid rgba(255, 255, 255, .08); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: .88rem; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-grid > :first-child { grid-column: 1 / -1; } }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card, .tiles a, .product-media img { transition: none; }
}
.no-js .reveal { opacity: 1; transform: none; }