/* Arvela Bilişim — Workexa tanıtım sitesi */
:root {
  --blue: #2f6fe0;
  --teal: #0e9f95;
  --orange: #f28c28;
  --gold: #ffc35a;
  --ink: #0b1b33;
  --ink-2: #33415c;
  --muted: #64748b;
  --line: #e3e8f0;
  --bg: #ffffff;
  --bg-alt: #f5f8fc;
  --dark: #0b1b33;
  --dark-2: #12284a;
  --grad: linear-gradient(135deg, var(--blue), var(--teal));
  --radius: 16px;
  --shadow: 0 1px 2px rgba(11, 27, 51, .06), 0 8px 24px rgba(11, 27, 51, .06);
  --shadow-lg: 0 24px 60px rgba(11, 27, 51, .18);
  --nav-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -.02em; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }

.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 14px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px; border-radius: 999px; border: 0;
  font-weight: 700; font-size: 15px; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn svg { width: 16px; height: 16px; fill: currentColor; }
.btn:hover { transform: translateY(-1px); }
.btn-lg { height: 54px; padding: 0 28px; font-size: 16px; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px rgba(47, 111, 224, .35); }
.btn-primary:hover { box-shadow: 0 12px 28px rgba(47, 111, 224, .45); }
.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border: 1px solid rgba(255, 255, 255, .25); }
.btn-ghost:hover { background: rgba(255, 255, 255, .16); }
.btn-white { background: #fff; color: var(--ink); box-shadow: 0 10px 26px rgba(0, 0, 0, .18); }
.btn-demo { background: linear-gradient(135deg, var(--gold), var(--orange)); color: #3a1d00; box-shadow: 0 6px 18px rgba(242, 140, 40, .35); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--nav-h);
  transition: background .25s ease, box-shadow .25s ease;
}
.nav.solid { background: rgba(11, 27, 51, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgba(255, 255, 255, .06); }
.nav-in { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 19px; letter-spacing: -.01em; }
.brand b { font-weight: 800; }
.brand span { font-weight: 500; }
.menu { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.menu a:not(.btn) { color: rgba(255, 255, 255, .82); font-weight: 600; font-size: 15px; padding: 8px 12px; border-radius: 8px; transition: color .2s, background .2s; }
.menu a:not(.btn):hover { color: #fff; background: rgba(255, 255, 255, .08); }
.menu-demo { display: none; }
.burger { display: none; margin-left: 4px; width: 44px; height: 44px; border: 0; background: rgba(255, 255, 255, .08); border-radius: 10px; cursor: pointer; padding: 12px 11px; flex-direction: column; justify-content: space-between; }
.burger span { display: block; height: 2px; background: #fff; border-radius: 2px; transition: transform .25s, opacity .25s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--dark); color: #fff; padding: calc(var(--nav-h) + 72px) 0 110px; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(800px 500px at 85% 10%, rgba(14, 159, 149, .35), transparent 60%),
    radial-gradient(700px 500px at 10% 90%, rgba(47, 111, 224, .40), transparent 60%),
    linear-gradient(180deg, #0b1b33, #0d2240);
}
.hero-bg::after { content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-in { display: grid; grid-template-columns: .95fr 1.05fr; gap: 48px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 8px; border-radius: 999px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); font-size: 14px; font-weight: 600; color: rgba(255, 255, 255, .9); }
.hero h1 { font-size: clamp(36px, 5.2vw, 60px); font-weight: 800; margin: 22px 0 20px; letter-spacing: -.035em; }
.grad { background: linear-gradient(90deg, #6ea2ff, #3fe0cf); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 1.6vw, 19px); color: rgba(255, 255, 255, .78); max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-checks { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; color: rgba(255, 255, 255, .7); }
.hero-checks li { display: flex; align-items: center; gap: 8px; }
.hero-checks li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; background: rgba(63, 224, 207, .18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233fe0cf' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center / 12px no-repeat; }

/* App mock */
.mock { position: relative; background: #fff; color: var(--ink); border-radius: 18px; box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.08); overflow: visible; transform: perspective(1600px) rotateY(-6deg) rotateX(3deg); transform-origin: left center; }
.mock-bar { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px; background: #eef2f7; border-radius: 18px 18px 0 0; border-bottom: 1px solid var(--line); }
.mock-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.mock-bar i:nth-child(2) { background: #febc2e; }
.mock-bar i:nth-child(3) { background: #28c840; }
.mock-bar span { margin-left: 10px; font-size: 12px; font-weight: 600; color: var(--muted); }
.mock-body { display: grid; grid-template-columns: 128px 1fr; min-height: 330px; border-radius: 0 0 18px 18px; overflow: hidden; }
.mock-side { background: #0f2340; color: rgba(255,255,255,.7); padding: 14px 10px; display: flex; flex-direction: column; gap: 2px; font-size: 12px; font-weight: 600; }
.ms-logo { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 800; font-size: 14px; margin: 0 4px 12px; }
.mock-side span { padding: 7px 10px; border-radius: 8px; }
.mock-side span.on { background: rgba(255,255,255,.12); color: #fff; }
.mock-main { padding: 16px; background: var(--bg-alt); display: flex; flex-direction: column; gap: 12px; }
.mk-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.mk-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px; min-width: 0; display: flex; flex-direction: column; }
.mk-card small { font-size: 10.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--muted); font-weight: 600; }
.mk-card b { font-size: 24px; font-weight: 800; line-height: 1.2; }
.mk-card em { font-style: normal; font-size: 10.5px; color: var(--muted); }
.mk-card em.up { color: var(--teal); font-weight: 700; }
.mk-card em.warn { color: var(--orange); font-weight: 700; }
.mk-row { display: grid; grid-template-columns: 1fr 1.15fr; gap: 10px; flex: 1; }
.mk-panel { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.mk-panel small { font-size: 11px; font-weight: 700; color: var(--ink-2); }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 130px; margin-top: 10px; }
.bars i { flex: 1; height: var(--h); border-radius: 6px 6px 3px 3px; background: var(--grad); opacity: .9; transform-origin: bottom; animation: grow 1.1s cubic-bezier(.2,.8,.2,1) both; }
.bars i:nth-child(2) { animation-delay: .08s } .bars i:nth-child(3) { animation-delay: .16s } .bars i:nth-child(4) { animation-delay: .24s }
.bars i:nth-child(5) { animation-delay: .32s } .bars i:nth-child(6) { animation-delay: .40s } .bars i:nth-child(7) { animation-delay: .48s }
@keyframes grow { from { transform: scaleY(0); } }
.mk-list p { white-space: nowrap; display: flex; align-items: center; gap: 8px; font-size: 11.5px; font-weight: 600; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.mk-list p:last-child { border: 0; }
.mk-list em { margin-left: auto; font-style: normal; font-size: 10.5px; color: var(--muted); font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot.ok { background: var(--teal); } .dot.run { background: var(--blue); } .dot.wait { background: var(--orange); }
.float { position: absolute; white-space: nowrap; display: flex; align-items: center; gap: 8px; background: #fff; color: var(--ink); font-size: 13px; font-weight: 700; padding: 10px 14px; border-radius: 12px; box-shadow: var(--shadow-lg); animation: bob 5s ease-in-out infinite; }
.float b { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 12px; background: var(--teal); }
.f1 { left: -26px; bottom: 46px; }
.f2 { right: 28px; top: -22px; animation-delay: -2.5s; }
.f2 b { background: var(--blue); }
@keyframes bob { 50% { transform: translateY(-8px); } }

/* ---------- Strip ---------- */
.strip { border-bottom: 1px solid var(--line); background: #fff; }
.strip-in { display: flex; align-items: center; gap: 28px; padding: 26px 0; flex-wrap: wrap; justify-content: center; }
.strip p { font-size: 14px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.strip ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.strip li { font-weight: 700; color: var(--ink-2); font-size: 15px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-alt); }

/* ---------- Sections ---------- */
.sec { padding: 104px 0; }
.sec-alt { background: var(--bg-alt); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
.eyebrow.light { color: #6ee7da; }
.sec h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; }
.sec-head p { margin-top: 16px; color: var(--muted); font-size: 18px; }

.grid.feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfd9ea; }
.card h3 { font-size: 19px; font-weight: 800; margin: 18px 0 8px; }
.card p { color: var(--muted); font-size: 15.5px; }
.ic { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; }
.ic svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ic-blue { background: #e8f0ff; color: var(--blue); }
.ic-teal { background: #e2f6f4; color: var(--teal); }
.ic-orange { background: #fff1e3; color: #d9730d; }
.ic-violet { background: #f0ebff; color: #6d4ae0; }
.ic-green { background: #e5f7ea; color: #1f9d55; }
.ic-pink { background: #ffe9f1; color: #d63c78; }

/* ---------- Tabs ---------- */
.tabs { display: flex; justify-content: center; gap: 6px; padding: 6px; background: #fff; border: 1px solid var(--line); border-radius: 999px; width: fit-content; margin: 0 auto 40px; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { border: 0; background: transparent; padding: 10px 22px; border-radius: 999px; font-weight: 700; color: var(--muted); cursor: pointer; white-space: nowrap; transition: background .2s, color .2s; }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--grad); color: #fff; box-shadow: 0 6px 16px rgba(47, 111, 224, .3); }
.panel { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 48px; box-shadow: var(--shadow); animation: fade .4s ease; }
.panel[hidden] { display: none; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } }
.panel h3 { font-size: 26px; font-weight: 800; margin-bottom: 22px; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.ticks li { position: relative; padding-left: 34px; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; border-radius: 50%; background: #e2f6f4 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e9f95' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center / 13px no-repeat; }
.ticks b { color: var(--ink); }
.ticks.light li { color: rgba(255,255,255,.75); }
.ticks.light b { color: #fff; }
.ticks.light li::before { background-color: rgba(63, 224, 207, .16); }
.panel-vis { background: var(--bg-alt); border-radius: 18px; padding: 28px; min-height: 280px; display: grid; place-items: center; }

.vis-doc { width: 100%; max-width: 360px; background: #fff; border-radius: 12px; padding: 20px; box-shadow: var(--shadow); font-size: 12.5px; }
.vd-h { display: flex; justify-content: space-between; align-items: center; padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.vd-h b { font-weight: 800; letter-spacing: .04em; }
.vd-h span { color: var(--muted); font-weight: 600; }
.vd-g { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 14px 0; }
.vd-g span { color: var(--muted); }
.vd-l i { display: block; height: 7px; border-radius: 4px; background: var(--line); margin-bottom: 7px; }
.vd-s { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.vd-s div { border: 1px dashed #cdd6e4; border-radius: 8px; padding: 6px 8px; }
.vd-s em { font-style: normal; font-size: 11px; color: var(--muted); font-weight: 600; }
.vd-s svg { width: 100%; height: 34px; }
.vd-s path { fill: none; stroke: var(--blue); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 220; stroke-dashoffset: 220; animation: sign 2s ease forwards .3s; }
@keyframes sign { to { stroke-dashoffset: 0; } }

.vis-table { width: 100%; max-width: 380px; background: #fff; border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; font-size: 14px; }
.vt-r { display: grid; grid-template-columns: 1.4fr 1fr .6fr; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.vt-r:last-child { border: 0; }
.vt-h { background: #0f2340; color: #fff; font-weight: 700; font-size: 12.5px; }
.vt-r span:last-child { text-align: right; font-weight: 800; }
.vt-r .ok { color: var(--teal); } .vt-r .warn { color: var(--orange); } .vt-r .bad { color: #e0435b; }

.vis-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 380px; }
.vis-chips span { padding: 10px 16px; border-radius: 999px; font-weight: 700; color: #fff; background: rgba(47, 111, 224, calc(.35 + var(--k) * .65)); font-size: calc(13px + var(--k) * 5px); }
.vis-chips b { margin-left: 4px; font-weight: 800; }

.vis-org { display: grid; gap: 22px; justify-items: center; width: 100%; }
.o-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.o { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--teal); border-radius: 10px; padding: 10px 16px; font-weight: 700; font-size: 13.5px; box-shadow: var(--shadow); }
.o1 { border-top-color: var(--blue); background: #0f2340; color: #fff; }
.o3 { border-top-color: var(--orange); font-weight: 600; }

.vis-bars { width: 100%; max-width: 380px; display: grid; gap: 14px; }
.vis-bars div { display: grid; grid-template-columns: 70px 1fr; gap: 12px; align-items: center; font-size: 13px; font-weight: 700; color: var(--ink-2); }
.vis-bars i { display: block; height: 14px; width: var(--w); border-radius: 8px; background: var(--grad); animation: widen 1s cubic-bezier(.2,.8,.2,1) both; transform-origin: left; }
@keyframes widen { from { transform: scaleX(0); } }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: s; position: relative; }
.steps li { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
.steps span { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--grad); color: #fff; font-weight: 800; font-size: 18px; margin-bottom: 18px; box-shadow: 0 8px 18px rgba(47, 111, 224, .3); }
.steps h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: 15px; }

/* ---------- Dark security section ---------- */
.sec-dark { background: var(--dark); color: #fff; position: relative; overflow: hidden; }
.sec-dark::before { content: ""; position: absolute; width: 600px; height: 600px; right: -200px; top: -200px; background: radial-gradient(circle, rgba(14, 159, 149, .25), transparent 65%); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; position: relative; }
.lead-light { color: rgba(255,255,255,.72); font-size: 18px; margin: 18px 0 28px; }
.levels { background: var(--dark-2); border: 1px solid rgba(255,255,255,.1); border-radius: 22px; padding: 32px; }
.levels h3 { font-size: 22px; font-weight: 800; }
.levels > p { color: rgba(255,255,255,.65); font-size: 15px; margin: 8px 0 22px; }
.lv-r { display: grid; grid-template-columns: 1fr repeat(4, 44px); align-items: center; padding: 12px 4px; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 14.5px; }
.lv-r:last-child { border: 0; }
.lv-h { font-size: 12.5px; font-weight: 800; color: rgba(255,255,255,.55); letter-spacing: .05em; }
.lv-h span:not(:first-child) { text-align: center; }
.lv-r i { justify-self: center; width: 24px; height: 24px; border-radius: 50%; }
.lv-r i.y { background: rgba(63, 224, 207, .18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233fe0cf' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center / 13px no-repeat; }
.lv-r i.n { position: relative; }
.lv-r i.n::after { content: ""; position: absolute; inset: 11px 7px; background: rgba(255,255,255,.22); border-radius: 2px; }

/* ---------- Platforms ---------- */
.platforms { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.platforms p { color: var(--muted); font-size: 17px; margin-top: 16px; }
.plat-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.plat { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px; padding: 28px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-alt); }
.plat svg { width: 34px; height: 34px; fill: var(--ink); }
.plat-srv svg { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: round; }
.plat b { font-size: 17px; }
.plat em { font-style: normal; font-size: 12.5px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: #fff1e3; color: #b85d07; }
.plat em.ok { background: #e2f6f4; color: #0b7d75; }

/* ---------- CTA band ---------- */
.cta-band { padding: 0 0 104px; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; background: var(--grad); color: #fff; border-radius: 28px; padding: 52px 56px; position: relative; overflow: hidden; box-shadow: 0 24px 60px rgba(47, 111, 224, .3); }
.cta-in::after { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; right: -120px; bottom: -220px; background: rgba(255,255,255,.12); }
.cta-in > * { position: relative; z-index: 1; }
.cta-in h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; }
.cta-in p { margin-top: 10px; color: rgba(255,255,255,.85); font-size: 17px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 0 24px; transition: box-shadow .2s, border-color .2s; }
.faq details[open] { box-shadow: var(--shadow); border-color: #cfd9ea; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 32px 20px 0; font-weight: 700; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 0; top: 50%; width: 12px; height: 12px; margin-top: -8px; border-right: 2.5px solid var(--blue); border-bottom: 2.5px solid var(--blue); transform: rotate(45deg); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq details p { padding: 0 0 22px; color: var(--muted); }

/* ---------- Contact ---------- */
.contact > div > p { color: var(--muted); font-size: 17px; margin-top: 16px; }
.c-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.c-list li { display: flex; align-items: center; gap: 14px; font-weight: 600; }
.c-list svg { width: 42px; height: 42px; padding: 10px; border-radius: 12px; background: #fff; border: 1px solid var(--line); fill: none; stroke: var(--blue); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.c-list a:hover { color: var(--blue); }
.form { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 32px; box-shadow: var(--shadow); display: grid; gap: 16px; }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 700; color: var(--ink-2); }
.form input, .form select, .form textarea { width: 100%; border: 1px solid #d5dde9; border-radius: 10px; padding: 12px 14px; background: #fbfcfe; font-weight: 500; font-size: 15px; transition: border-color .2s, box-shadow .2s; }
.form textarea { resize: vertical; min-height: 110px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(47, 111, 224, .15); background: #fff; }
.form .invalid { border-color: #e0435b; box-shadow: 0 0 0 4px rgba(224, 67, 91, .12); }
.form .btn { justify-self: start; }
.form-note { font-size: 13px; color: var(--muted); }
.form-note.err { color: #c62f47; font-weight: 600; }
.form-note.ok { color: #0b7d75; font-weight: 600; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form .btn:disabled { opacity: .7; cursor: wait; transform: none; }

/* ---------- Stats (bottom) ---------- */
.stats { background: var(--dark); color: #fff; padding: 64px 0; position: relative; overflow: hidden; }
.stats::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 240px at 50% 0%, rgba(47, 111, 224, .35), transparent 70%); }
.stats-in { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; text-align: center; }
.stat b { display: block; font-size: clamp(34px, 4vw, 50px); font-weight: 800; letter-spacing: -.03em; background: linear-gradient(90deg, #8bb5ff, #5eead4); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.stat span { font-size: 15px; font-weight: 600; color: rgba(255,255,255,.7); }
.stat + .stat { border-left: 1px solid rgba(255,255,255,.1); }

/* ---------- Footer ---------- */
.foot { background: #071326; color: rgba(255,255,255,.65); padding: 64px 0 0; font-size: 15px; }
.foot-in { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.foot-brand p { margin-top: 16px; max-width: 340px; }
.foot h4 { color: #fff; font-size: 15px; font-weight: 800; margin-bottom: 14px; }
.foot-in > div:not(.foot-brand) { display: flex; flex-direction: column; gap: 10px; }
.foot-in a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0 28px; font-size: 14px; }
.totop:hover { color: #fff; }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }
.js .mock.reveal.in { transform: perspective(1600px) rotateY(-6deg) rotateX(3deg); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-in { grid-template-columns: 1fr; gap: 64px; }
  .hero-text { text-align: center; }
  .lead { margin-inline: auto; }
  .hero-cta, .hero-checks { justify-content: center; }
  .mock, .js .mock.reveal.in { transform: none; max-width: 640px; margin-inline: auto; width: 100%; }
  .grid.feat { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split, .platforms { grid-template-columns: 1fr; gap: 44px; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .stats-in { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .stat:nth-child(4) { border-left: 0; }
}
@media (max-width: 900px) {
  .menu { position: fixed; top: var(--nav-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 16px 20px; background: #0b1b33; box-shadow: 0 20px 40px rgba(0,0,0,.3); transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s; }
  .menu.open { opacity: 1; transform: none; visibility: visible; }
  .menu a:not(.btn) { padding: 13px 12px; font-size: 16px; }
  .menu-demo { display: inline-flex; margin-top: 10px; height: 50px; }
  .burger { display: flex; }
  .nav-demo { margin-left: auto; }
  .nav.menu-open { background: rgba(11, 27, 51, .98); }
  .panel { grid-template-columns: 1fr; padding: 28px; gap: 28px; }
  .tabs { justify-content: flex-start; }
}
@media (max-width: 640px) {
  :root { --nav-h: 64px; }
  .sec { padding: 72px 0; }
  .hero { padding: calc(var(--nav-h) + 44px) 0 72px; }
  .brand { font-size: 17px; }
  .nav-demo { height: 40px; padding: 0 14px; }
  .mock-body { grid-template-columns: 1fr; min-height: 0; }
  .mock-side { display: none; }
  .mk-cards { grid-template-columns: repeat(2, 1fr); }
  .mk-row { grid-template-columns: 1fr; }
  .bars { height: 90px; }
  .float { font-size: 12px; padding: 8px 11px; }
  .f1 { left: -6px; bottom: -18px; }
  .f2 { right: 10px; top: -20px; }
  .grid.feat, .steps { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .panel { padding: 20px; }
  .panel-vis { padding: 18px; min-height: 0; }
  .levels { padding: 22px 16px; }
  .lv-r { grid-template-columns: 1fr repeat(4, 34px); font-size: 13.5px; }
  .plat-cards { grid-template-columns: 1fr; }
  .plat { flex-direction: row; justify-content: flex-start; text-align: left; padding: 18px 20px; }
  .plat em { margin-left: auto; }
  .cta-band { padding-bottom: 72px; }
  .cta-in { padding: 36px 24px; border-radius: 22px; }
  .cta-in .btn { width: 100%; white-space: normal; height: auto; min-height: 54px; }
  .form { padding: 22px; }
  .f2 { grid-template-columns: 1fr; }
  .form .btn { justify-self: stretch; }
  .stats-in { grid-template-columns: repeat(2, 1fr); }
  .stat + .stat { border-left: 0; }
  .stat:last-child { grid-column: 1 / -1; }
  .foot-in { grid-template-columns: 1fr; gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
}
