/* SKTA website — Creative Motion. Copyright (c) 2026 Muhammad Wajih Shahzad. */
@font-face { font-family: "Space Grotesk"; src: url("/assets/fonts/SpaceGrotesk.ttf") format("truetype"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/assets/fonts/Manrope.ttf") format("truetype"); font-weight: 200 800; font-display: swap; }
:root {
  --ink: #14112b; --ink-2: #3a3560; --muted: #5d5878; --paper: #f6f5fc; --white: #fff; --line: #e4e1f2;
  --violet: #6a3dff; --violet-d: #4a1fe0; --cobalt: #3d64ff; --coral: #ff6b4a; --coral-d: #c4401d; --citrus: #ffc83d; --mint: #2ed3a1; --mint-d: #07745a; --sky: #19a7e0;
  --deep: #14112b; --deep-2: #221d4a;
  --display: "Space Grotesk", "Manrope", system-ui, sans-serif; --body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --r: 18px; --ease: cubic-bezier(.2, .7, .2, 1); --wrap: min(1180px, calc(100% - 40px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--violet-d); }
h1, h2, h3 { font-family: var(--display); letter-spacing: -.03em; line-height: 1.05; margin: 0; }
h2 { font-size: clamp(2rem, 4.2vw, 3.4rem); }
h3 { font-size: 1.35rem; letter-spacing: -.015em; line-height: 1.2; }
p { margin: 0; }
.wrap { width: var(--wrap); margin: 0 auto; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; z-index: 99; background: #fff; padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--citrus); outline-offset: 3px; border-radius: 6px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---- header ---- */
.top { position: sticky; top: 0; z-index: 50; background: rgb(20 17 43 / .82); backdrop-filter: saturate(1.4) blur(14px); color: #fff; }
.top .wrap { display: flex; align-items: center; gap: 22px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font: 700 1.2rem var(--display); letter-spacing: -.02em; }
.mark { position: relative; width: 34px; height: 34px; border-radius: 10px; background: var(--violet); display: grid; place-items: center; font-size: 1.05rem; box-shadow: 0 6px 18px rgb(106 61 255 / .5); }
.mark::after { content: ""; position: absolute; width: 9px; height: 9px; right: -2px; top: -2px; border-radius: 50%; background: var(--coral); border: 2px solid var(--deep); }
.top nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.top nav a { color: #d8d4f4; text-decoration: none; padding: 8px 12px; border-radius: 10px; font-weight: 600; font-size: .95rem; }
.top nav a:hover { color: #fff; background: rgb(255 255 255 / .08); }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid rgb(255 255 255 / .25); color: #fff; border-radius: 10px; padding: 8px 12px; font: 600 .95rem var(--body); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border-radius: 14px; padding: 13px 22px; font: 700 1rem var(--body); text-decoration: none; border: 0; cursor: pointer; transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .2s; }
.btn:active { transform: scale(.97); }
.btn-main { background: var(--violet); color: #fff; box-shadow: 0 10px 26px rgb(106 61 255 / .45); }
.btn-main:hover { background: var(--violet-d); box-shadow: 0 14px 34px rgb(106 61 255 / .55); }
.btn-light { background: #fff; color: var(--ink); }
.btn-ghost { background: rgb(255 255 255 / .08); color: #fff; border: 1px solid rgb(255 255 255 / .22); }
.btn-ghost:hover { background: rgb(255 255 255 / .14); }
.btn-line { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.top .btn { padding: 9px 16px; border-radius: 12px; font-size: .92rem; }
.btn svg { width: 18px; height: 18px; }

/* ---- hero ---- */
.hero { background: var(--deep); color: #fff; overflow: hidden; position: relative; isolation: isolate; padding: 64px 0 0; }
.hero::before { content: ""; position: absolute; z-index: -1; width: 900px; height: 900px; left: 48%; top: -420px; border-radius: 50%; background: radial-gradient(closest-side, rgb(106 61 255 / .55), transparent 70%); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(3rem, 6.6vw, 5.6rem); line-height: .96; letter-spacing: -.045em; }
.hero h1 .line { display: block; }
.hero h1 .c1 { color: var(--citrus); } .hero h1 .c2 { color: var(--mint); }
.hero .lead { font-size: 1.22rem; color: #cfcaf0; margin: 22px 0 30px; max-width: 34ch; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .note { margin-top: 18px; color: #a9a3d0; font-size: .92rem; }
.stage { position: relative; aspect-ratio: 16 / 10.6; margin-bottom: -40px; }
.stage-frame { position: absolute; inset: 0; border-radius: 22px; background: #0c0a1d; padding: 10px; box-shadow: 0 40px 90px rgb(0 0 0 / .55), 0 0 0 1px rgb(255 255 255 / .08); transform: perspective(1600px) rotateY(-9deg) rotateX(3deg); transform-origin: left center; }
.stage-frame::before { content: ""; position: absolute; top: 10px; left: 18px; width: 54px; height: 10px; background: radial-gradient(circle, #ff6b4a 4px, transparent 5px) 0 0 / 18px 10px repeat-x; opacity: .9; z-index: 2; }
.stage-screens { position: relative; width: 100%; height: 100%; border-radius: 14px; overflow: hidden; background: #f6f5fc; }
.stage-screens img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; opacity: 0; transform: scale(1.03); transition: opacity .7s var(--ease), transform 1.2s var(--ease); }
.stage-screens img.on { opacity: 1; transform: none; }
.stage-steps { position: absolute; left: -26px; bottom: 70px; display: flex; flex-direction: column; gap: 8px; z-index: 3; }
.stage-steps button { display: flex; align-items: center; gap: 10px; border: 0; cursor: pointer; text-align: left; background: rgb(255 255 255 / .94); color: var(--ink); border-radius: 14px; padding: 10px 14px; font: 700 .9rem var(--body); box-shadow: 0 12px 30px rgb(0 0 0 / .3); transition: transform .3s var(--ease), background .3s; }
.stage-steps button .dot { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; color: #fff; font-size: .8rem; }
.stage-steps button[aria-pressed="true"] { transform: translateX(14px); background: #fff; }
.stage-steps button[aria-pressed="false"] { opacity: .78; }
.trust { position: relative; z-index: 2; margin-top: 80px; padding: 22px 0; border-top: 1px solid rgb(255 255 255 / .08); color: #b9b3e0; font-size: .95rem; }
.trust .wrap { display: flex; flex-wrap: wrap; gap: 10px 34px; justify-content: center; grid-template-columns: none; }
.trust b { color: #fff; }

/* ---- sections ---- */
section { padding: 110px 0; }
.kicker { display: inline-flex; align-items: center; gap: 8px; font: 700 .95rem var(--body); color: var(--accent, var(--violet)); margin-bottom: 14px; }
.kicker::before { content: ""; width: 22px; height: 4px; border-radius: 2px; background: currentColor; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 54ch; margin-top: 16px; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* paper to result: flow */
.flow { background: #fff; }
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 54px; counter-reset: s; position: relative; }
.flow-steps::before { content: ""; position: absolute; top: 28px; left: 6%; right: 6%; height: 3px; background: linear-gradient(90deg, var(--sky), var(--violet), var(--coral), var(--mint)); border-radius: 2px; }
.flow-step { position: relative; padding: 0 18px; }
.flow-step .n { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; color: #fff; font: 700 1.3rem var(--display); margin-bottom: 18px; box-shadow: 0 10px 24px rgb(20 17 43 / .18); }
.flow-step h3 { margin-bottom: 6px; }
.flow-step p { color: var(--muted); font-size: .98rem; }

/* feature spreads */
.spread .wrap { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.25fr); gap: 64px; align-items: center; }
.spread.flip .wrap { grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr); }
.spread.flip .copy { order: 2; }
.points { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.points li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; }
.points li::before { content: ""; width: 28px; height: 28px; border-radius: 9px; background: var(--accent) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M5 12l4 4 10-10'/></svg>") center / 16px no-repeat; }
.points b { display: block; }
.points span { color: var(--muted); font-size: .97rem; }
.shot { position: relative; border-radius: 20px; overflow: hidden; background: #fff; box-shadow: 0 30px 70px rgb(20 17 43 / .18), 0 0 0 1px rgb(20 17 43 / .06); transition: transform .5s var(--ease); }
.shot img { width: 100%; }
.shot-wrap { position: relative; }
.shot-wrap::before { content: ""; position: absolute; inset: -26px -26px auto auto; width: 70%; height: 80%; border-radius: 28px; background: var(--accent); opacity: .16; z-index: -1; transform: rotate(3deg); }
.spread.flip .shot-wrap::before { inset: auto auto -26px -26px; transform: rotate(-3deg); }
.tag { position: absolute; background: #fff; border-radius: 14px; padding: 10px 14px; font: 700 .88rem var(--body); box-shadow: 0 14px 30px rgb(20 17 43 / .2); display: flex; gap: 8px; align-items: center; }
.tag i { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: inline-block; }
.t-grade { --accent: var(--coral); } .t-grade .kicker { color: var(--coral-d); }
.t-lesson { --accent: var(--violet); }
.t-exam { --accent: var(--mint); } .t-exam .kicker { color: var(--mint-d); }
.t-research { --accent: var(--cobalt); }
.t-scan { --accent: var(--sky); } .t-scan .kicker { color: #0a6690; }
.t-course { --accent: var(--citrus); } .t-course .kicker { color: #7a5000; }
.alt { background: #fff; }

/* scanner formats */
.formats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.formats span { border: 1.5px solid var(--line); border-radius: 999px; padding: 8px 14px; font-weight: 700; font-size: .92rem; background: #fff; }
.formats span:first-child { border-color: var(--sky); background: #def4fc; color: #0a6690; }

/* privacy */
.private { background: var(--deep); color: #fff; position: relative; overflow: hidden; }
.private::after { content: ""; position: absolute; right: -200px; bottom: -300px; width: 700px; height: 700px; border-radius: 50%; background: radial-gradient(closest-side, rgb(46 211 161 / .3), transparent 70%); }
.private h2 { max-width: 16ch; }
.private h2 em { font-style: normal; color: var(--mint); }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 56px; background: rgb(255 255 255 / .1); border-radius: 22px; overflow: hidden; position: relative; z-index: 1; }
.fact { background: var(--deep); padding: 30px; }
.fact strong { display: block; font: 700 1.6rem var(--display); letter-spacing: -.02em; margin-bottom: 8px; }
.fact p { color: #c4bfe6; font-size: .98rem; }

/* devices */
.devices-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 44px; }
.device { background: #fff; border-radius: var(--r); padding: 24px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.device .ico { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; color: #fff; margin-bottom: 6px; }
.device .ico svg { width: 24px; height: 24px; }
.device ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: .93rem; }
.device .ver { margin-top: auto; padding-top: 12px; font-size: .88rem; color: var(--muted); }

/* demo steps */
.demo-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 44px; }
.demo-steps li { list-style: none; background: #fff; border-radius: var(--r); padding: 20px; border: 1px solid var(--line); }
.demo-steps b { display: block; font: 700 2rem var(--display); color: var(--violet); line-height: 1; margin-bottom: 10px; }
.demo-steps { padding: 0; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; align-items: stretch; }
.plan { background: #fff; border-radius: 22px; padding: 30px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.plan.featured { background: var(--deep); color: #fff; border: 0; box-shadow: 0 30px 70px rgb(20 17 43 / .3); transform: translateY(-10px); }
.plan .price { font: 700 3rem var(--display); letter-spacing: -.04em; }
.plan .price small { font: 600 1rem var(--body); color: var(--muted); letter-spacing: 0; }
.plan.featured .price small, .plan.featured p { color: #c4bfe6; }
.plan ul { padding-left: 18px; margin: 4px 0 10px; font-size: .95rem; }
.plan .btn { margin-top: auto; }
.badge { align-self: flex-start; background: var(--citrus); color: var(--ink); border-radius: 999px; padding: 4px 12px; font-weight: 800; font-size: .8rem; }
.plans-note { margin-top: 22px; color: var(--muted); font-size: .95rem; }

/* faq */
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; }
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font: 700 1.1rem var(--display); letter-spacing: -.01em; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--violet); transition: transform .25s var(--ease); }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin-top: 10px; }

/* contact */
.contact .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
form.card { background: #fff; border-radius: 22px; padding: 30px; border: 1px solid var(--line); display: grid; gap: 14px; box-shadow: 0 20px 50px rgb(20 17 43 / .08); }
label { display: grid; gap: 6px; font-weight: 700; font-size: .92rem; }
input, select, textarea { font: 500 1rem var(--body); padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--paper); color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--violet); box-shadow: 0 0 0 4px rgb(106 61 255 / .15); }
.status { min-height: 1.4em; font-weight: 700; } .status.ok { color: var(--mint-d); } .status.err { color: var(--coral-d); }

/* downloads page */
.dl-hero { background: var(--deep); color: #fff; padding: 80px 0 120px; position: relative; overflow: hidden; }
.dl-hero::before { content: ""; position: absolute; width: 700px; height: 700px; right: -200px; top: -300px; border-radius: 50%; background: radial-gradient(closest-side, rgb(61 100 255 / .5), transparent 70%); }
.dl-hero h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); letter-spacing: -.045em; position: relative; }
.dl-hero p { color: #cfcaf0; font-size: 1.15rem; margin-top: 14px; max-width: 56ch; position: relative; }
.dl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: -70px; position: relative; }
.dl { background: #fff; border-radius: 22px; padding: 28px; border: 1px solid var(--line); box-shadow: 0 24px 60px rgb(20 17 43 / .1); display: flex; flex-direction: column; gap: 12px; }
.dl.recommended { outline: 3px solid var(--violet); }
.dl-head { display: flex; align-items: center; gap: 14px; }
.dl-head .ico { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; color: #fff; flex-shrink: 0; }
.dl-head .ico svg { width: 28px; height: 28px; }
.dl-head h2 { font-size: 1.6rem; }
.dl-head small { display: block; color: var(--muted); font: 600 .92rem var(--body); letter-spacing: 0; }
.dl .meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: .9rem; }
.dl .sha { font: 500 .78rem ui-monospace, Consolas, monospace; color: var(--muted); word-break: break-all; background: var(--paper); padding: 8px 10px; border-radius: 10px; }
.dl ol { margin: 0; padding-left: 20px; color: var(--ink-2); font-size: .95rem; }
.dl .warn { background: #fff3d1; color: #6b4600; border-radius: 12px; padding: 12px 14px; font-size: .9rem; }
.dl .btn[aria-disabled="true"] { background: var(--line); color: var(--muted); box-shadow: none; cursor: not-allowed; }

/* footer */
footer { background: var(--deep); color: #b9b3e0; padding: 60px 0 40px; font-size: .95rem; }
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
footer h4 { color: #fff; margin: 0 0 12px; font: 700 1rem var(--display); }
footer a { color: #d8d4f4; text-decoration: none; display: block; padding: 3px 0; }
footer a:hover { color: #fff; }
footer .legal { grid-column: 1 / -1; border-top: 1px solid rgb(255 255 255 / .08); padding-top: 22px; margin-top: 10px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.page { padding: 70px 0 100px; } .page h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); margin-bottom: 20px; }
.page article { max-width: 760px; } .page article h2 { font-size: 1.6rem; margin: 34px 0 10px; } .page article p, .page article li { color: var(--ink-2); }

/* ---- responsive ---- */
@media (max-width: 1020px) {
  .hero .wrap, .spread .wrap, .spread.flip .wrap, .contact .wrap, .faq { grid-template-columns: 1fr; }
  .spread.flip .copy { order: 0; }
  .stage { margin: 10px 0 -30px; } .stage-frame { transform: none; } .stage-steps { left: 10px; bottom: 14px; flex-direction: row; flex-wrap: wrap; }
  .stage-steps button[aria-pressed="true"] { transform: translateY(-4px); }
  .devices-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-steps { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; } .plan.featured { transform: none; }
  .facts { grid-template-columns: 1fr; }
  footer .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  section { padding: 76px 0; }
  .top nav { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--deep); padding: 10px 20px 20px; }
  .top nav.open { display: flex; }
  .menu-btn { display: inline-flex; }
  .hero { padding-top: 40px; }
  .flow-steps { grid-template-columns: 1fr; gap: 26px; } .flow-steps::before { display: none; }
  .flow-step { display: grid; grid-template-columns: 58px 1fr; gap: 0 16px; padding: 0; } .flow-step .n { grid-row: span 2; margin: 0; }
  .devices-grid, .dl-grid { grid-template-columns: 1fr; }
  .stage-steps button { padding: 7px 10px; font-size: .8rem; } .stage-steps .dot { width: 22px; height: 22px; }
  .tag { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .stage-screens img { transition: none; }
}

/* ---- refinements after review ---- */
body { overflow-x: clip; }
.hero h1 { font-size: clamp(2.8rem, 5.3vw, 4.7rem); }
@media (min-width: 1021px) { .hero h1 .line { white-space: nowrap; } }
.stage-frame::before { display: none; }
.stage-steps { left: -54px; bottom: 26px; gap: 6px; }
.stage-steps button { padding: 8px 12px; font-size: .84rem; }
.reveal { transform: translateY(14px); }
@media (max-width: 1020px) {
  .stage { margin-bottom: 0; }
  .stage-steps { position: static; margin-top: 14px; flex-direction: row; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .stage-steps button { flex-shrink: 0; }
  .stage-steps button[aria-pressed="true"] { transform: none; outline: 2px solid var(--citrus); }
  .stage { aspect-ratio: auto; } .stage-frame { position: relative; aspect-ratio: 16 / 10.6; }
  .trust { margin-top: 40px; }
}
@media (max-width: 1020px) {
  .hero .wrap, .spread .wrap, .spread.flip .wrap, .contact .wrap, .faq { grid-template-columns: minmax(0, 1fr); }
}