/* schoolink360.tr tanıtım sitesi. Renkler logodan: lacivert + turkuaz; yapay zekâ vurgusu ürünün mor tonu. */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("/assets/fonts/inter-roman-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("/assets/fonts/inter-roman-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

:root {
  --navy: #0d2463;
  --navy-2: #14307d;
  --navy-deep: #081a4a;
  --teal: #13b0c2;
  --teal-2: #0e97a8;
  --teal-soft: #e5f7f9;
  --violet: #6f5cf6;
  --violet-soft: #efedff;
  --ink: #0f1733;
  --text: #2c3550;
  --muted: #5e6884;
  --line: #e3e7f0;
  --soft: #f5f7fc;
  --white: #fff;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 1px 2px rgba(13, 36, 99, .06), 0 8px 24px rgba(13, 36, 99, .08);
  --shadow-lg: 0 2px 4px rgba(13, 36, 99, .06), 0 24px 60px rgba(13, 36, 99, .16);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--white); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-2); }
h1, h2, h3 { color: var(--ink); line-height: 1.15; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }

.wrap { width: min(1200px, 100% - 32px); margin-inline: auto; }
.wrap.narrow { width: min(820px, 100% - 32px); }

/* ---------- düğmeler ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; font-weight: 650; text-decoration: none; border: 1px solid transparent; cursor: pointer; font: inherit; font-weight: 650; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; white-space: nowrap; }
.btn.sm { padding: 8px 16px; font-size: 14px; }
.btn.lg { padding: 14px 26px; font-size: 16px; }
.btn.primary { background: linear-gradient(135deg, var(--navy-2), var(--navy)); color: #fff; box-shadow: 0 6px 18px rgba(13, 36, 99, .25); }
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(13, 36, 99, .32); }
.btn.ghost { background: rgba(255, 255, 255, .7); color: var(--navy); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--navy-2); }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }

/* ---------- üst menü ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .82); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 20px; color: var(--navy); letter-spacing: -.02em; }
.brand b { color: var(--teal); font-weight: 800; }
.brand.light { color: #fff; }
.links { display: flex; gap: 26px; margin-left: 18px; }
.links a { color: var(--text); text-decoration: none; font-size: 15px; font-weight: 550; }
.links a:hover { color: var(--navy-2); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.menu-btn span { width: 18px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .2s; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mobile-menu { border-top: 1px solid var(--line); background: #fff; padding: 8px 16px 16px; display: grid; }
.mobile-menu[hidden] { display: none; }
.mobile-menu a { padding: 12px 4px; text-decoration: none; color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--line); }
.mobile-menu a:last-child { border-bottom: 0; }

/* ---------- hero ---------- */
.hero { position: relative; padding: 64px 0 40px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; background:
  radial-gradient(900px 500px at 85% 10%, rgba(19, 176, 194, .16), transparent 60%),
  radial-gradient(700px 500px at 10% 0%, rgba(111, 92, 246, .10), transparent 60%),
  linear-gradient(180deg, #f7f9ff 0%, #fff 70%); }
.hero-bg::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(13, 36, 99, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(13, 36, 99, .045) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 70%); }
.hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 10px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: 13.5px; font-weight: 600; color: var(--navy-2); box-shadow: var(--shadow); }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(19, 176, 194, .18); }
.hero h1 { font-size: clamp(36px, 5vw, 58px); font-weight: 800; margin: 22px 0 18px; letter-spacing: -.035em; }
.grad { background: linear-gradient(100deg, var(--navy-2) 0%, var(--teal) 55%, var(--violet) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 1.6vw, 19px); color: var(--muted); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 26px; }
.hero-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.hero-points li { position: relative; padding-left: 28px; font-size: 15px; color: var(--text); }
.hero-points li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%230e97a8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; }

.hero-visual { position: relative; }
.frame { margin: 0; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow-lg); overflow: hidden; }
.frame-bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; background: #f3f5fa; border-bottom: 1px solid var(--line); }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d6dbe7; }
.frame-bar i:first-child { background: #ff6b6b; } .frame-bar i:nth-child(2) { background: #ffc24b; } .frame-bar i:nth-child(3) { background: #3ccf8e; }
.frame-bar span { margin-left: 10px; font-size: 12px; color: var(--muted); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.frame.tilt { transform: perspective(1600px) rotateY(-7deg) rotateX(2deg); transform-origin: left center; transition: transform .6s ease; }
.hero-visual:hover .frame.tilt { transform: perspective(1600px) rotateY(-2deg) rotateX(0deg); }
.float { position: absolute; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); border: 1px solid var(--line); }
.ai-card { left: -36px; bottom: -28px; width: min(320px, 78%); padding: 14px 16px; }
.ai-card p { font-size: 13.5px; line-height: 1.5; color: var(--text); margin: 6px 0 8px; }
.ai-head { display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 750; color: var(--violet); text-transform: uppercase; letter-spacing: .06em; }
.spark { width: 18px; height: 18px; border-radius: 6px; background: linear-gradient(135deg, var(--violet), var(--teal)); position: relative; flex: none; }
.spark::after { content: ""; position: absolute; inset: 4px; background: #fff; clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%); }
.tag { display: inline-block; font-size: 11px; font-weight: 650; color: var(--muted); background: var(--soft); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; letter-spacing: 0; text-transform: none; }
.risk-chip { right: -14px; top: 38px; display: flex; align-items: center; gap: 12px; padding: 12px 16px; }
.risk-chip b { display: block; color: var(--ink); font-size: 15px; }
.risk-chip small { color: var(--muted); font-size: 12px; }
.pulse { width: 12px; height: 12px; border-radius: 50%; background: #ef4f5f; box-shadow: 0 0 0 0 rgba(239, 79, 95, .5); animation: pulse 2s infinite; flex: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 12px rgba(239, 79, 95, 0); } 100% { box-shadow: 0 0 0 0 rgba(239, 79, 95, 0); } }

.trust { margin-top: 72px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 18px; color: var(--navy); font-weight: 650; font-size: 15px; }
.trust i { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); }
.trust em { flex-basis: 100%; text-align: center; font-style: normal; font-weight: 500; color: var(--muted); font-size: 14px; }

/* ---------- bölümler ---------- */
.section { padding: 96px 0; position: relative; scroll-margin-top: 64px; }
.section.soft { background: var(--soft); }
.sec-head { max-width: 760px; margin-bottom: 48px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; letter-spacing: -.03em; }
.sec-head p:not(.kicker) { margin-top: 16px; color: var(--muted); font-size: 17.5px; }
.kicker { display: inline-block; font-size: 13px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-2); margin-bottom: 14px; }
.kicker.light { color: #7fe3ee; }
.note { margin-top: 18px; font-size: 13px; color: var(--muted); text-align: center; }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.value { padding: 28px 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; transition: transform .2s, box-shadow .2s, border-color .2s; }
.value:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cfd6e6; }
.value.accent { background: linear-gradient(160deg, #fff 40%, var(--violet-soft)); border-color: #dcd6ff; }
.value h3 { font-size: 19px; margin: 18px 0 8px; }
.value p { color: var(--muted); font-size: 15px; }
.ico { width: 46px; height: 46px; border-radius: 13px; background: var(--teal-soft); position: relative; }
.ico::after { content: ""; position: absolute; inset: 11px; background: var(--teal-2); -webkit-mask: var(--m) center/contain no-repeat; mask: var(--m) center/contain no-repeat; }
.value.accent .ico { background: var(--violet-soft); } .value.accent .ico::after { background: var(--violet); }
.i-chart { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 21h18v-2H3v2zm2-4h3V9H5v8zm5.5 0h3V4h-3v13zM16 17h3v-6h-3v6z'/%3E%3C/svg%3E"); }
.i-ai { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M11 2l1.8 5.2L18 9l-5.2 1.8L11 16l-1.8-5.2L4 9l5.2-1.8L11 2zm7 11l.9 2.6L21.5 16.5l-2.6.9L18 20l-.9-2.6-2.6-.9 2.6-.9L18 13z'/%3E%3C/svg%3E"); }
.i-tree { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 2h6v5h-2v3h6v4h2v6h-6v-6h2v-2H7v2h2v6H3v-6h2v-4h6V7H9V2z'/%3E%3C/svg%3E"); }
.i-stack { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l10 5-10 5L2 7l10-5zm-7.6 8.8L12 14.6l7.6-3.8L22 12l-10 5-10-5 2.4-1.2zm0 5L12 19.6l7.6-3.8L22 17l-10 5-10-5 2.4-1.2z'/%3E%3C/svg%3E"); }

/* ---------- sekmeler ---------- */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; padding: 6px; background: #fff; border: 1px solid var(--line); border-radius: 999px; width: fit-content; max-width: 100%; }
.tabs button { font: inherit; font-size: 14.5px; font-weight: 650; padding: 10px 18px; border-radius: 999px; border: 0; background: transparent; color: var(--muted); cursor: pointer; transition: background .2s, color .2s; }
.tabs button[aria-selected="true"] { background: var(--navy); color: #fff; }
.tabs button:hover:not([aria-selected="true"]) { color: var(--navy); background: var(--soft); }
.panel { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.5fr); gap: 44px; align-items: start; animation: fade .4s ease; }
.panel[hidden] { display: none; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.panel-text h3 { font-size: 26px; margin-bottom: 12px; }
.panel-text p { color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 28px; font-size: 15px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 6px; background: var(--navy) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; }
.frame.tall img { max-height: 640px; object-fit: cover; object-position: top; width: 100%; }

/* ---------- yapay zekâ ---------- */
.section.dark { background: radial-gradient(1200px 600px at 50% -10%, #1d3a96 0%, var(--navy) 45%, var(--navy-deep) 100%); color: #c9d3ee; overflow: hidden; }
.section.dark h2, .section.dark h3 { color: #fff; }
.section.dark .sec-head p:not(.kicker) { color: #b5c1e3; }
.glow { position: absolute; width: 640px; height: 640px; right: -200px; bottom: -260px; background: radial-gradient(circle, rgba(111, 92, 246, .35), transparent 65%); pointer-events: none; }
.ai-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 36px; align-items: start; }
.chat { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius-lg); padding: 22px; backdrop-filter: blur(6px); position: sticky; top: 92px; }
.chat-top { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; margin-bottom: 18px; }
.chat-top .tag { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .16); color: #c9d3ee; }
.bubble { border-radius: 16px; padding: 14px 16px; font-size: 15px; margin-bottom: 12px; }
.bubble.me { background: linear-gradient(135deg, var(--violet), #5847e0); color: #fff; margin-left: 14%; border-bottom-right-radius: 6px; }
.bubble.bot { background: #fff; color: var(--text); margin-right: 6%; border-bottom-left-radius: 6px; }
.bubble.bot > p:first-child { font-size: 13px; font-weight: 650; color: var(--muted); margin-bottom: 12px; }
.bubble .muted { font-size: 12.5px; color: var(--muted); margin-top: 12px; }
.bars { display: grid; gap: 9px; }
.bar { display: grid; grid-template-columns: 44px 1fr 46px; align-items: center; gap: 10px; font-size: 13.5px; }
.bar span { font-weight: 650; color: var(--ink); }
.bar i { height: 12px; border-radius: 0 6px 6px 0; background: linear-gradient(90deg, #ff8b6b, #ef4f5f); width: var(--w); transform-origin: left; animation: grow 1s ease both; }
.bar b { font-variant-numeric: tabular-nums; color: #c8323f; font-weight: 700; text-align: right; }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.ai-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ai-item { padding: 22px; border-radius: var(--radius); background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .1); transition: background .2s, border-color .2s; }
.ai-item:hover { background: rgba(255, 255, 255, .08); border-color: rgba(127, 227, 238, .35); }
.ai-item h3 { font-size: 17px; display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.ai-item .n { font-size: 12px; font-weight: 800; color: #7fe3ee; letter-spacing: .05em; }
.ai-item p { font-size: 14.5px; color: #b5c1e3; }

/* ---------- genel merkez ---------- */
.gm { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.gm-copy h2 { font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; letter-spacing: -.03em; }
.gm-copy > p { color: var(--muted); font-size: 17px; margin-top: 16px; }
.gm-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.gm-list li { padding: 16px 18px; border-left: 3px solid var(--teal); background: var(--soft); border-radius: 0 12px 12px 0; }
.gm-list b { display: block; color: var(--ink); margin-bottom: 4px; }
.gm-list span { color: var(--muted); font-size: 15px; }
.org { background: linear-gradient(160deg, #fff, var(--soft)); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 22px 22px; box-shadow: var(--shadow); text-align: center; }
.node { display: inline-block; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px 16px; box-shadow: 0 1px 2px rgba(13, 36, 99, .06); }
.node b { display: block; color: var(--ink); font-size: 14.5px; }
.node small { color: var(--muted); font-size: 12px; }
.node.top { background: var(--navy); border-color: var(--navy); padding: 14px 26px; }
.node.top b { color: #fff; font-size: 16px; } .node.top small { color: #b5c1e3; }
.branches { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 34px; position: relative; }
.branches::before { content: ""; position: absolute; top: -18px; left: 16.6%; right: 16.6%; height: 2px; background: #cfd6e6; }
.branches::after { content: ""; position: absolute; top: -34px; left: 50%; width: 2px; height: 16px; background: #cfd6e6; }
.col { position: relative; display: grid; gap: 12px; justify-items: center; }
.col::before { content: ""; position: absolute; top: -18px; left: 50%; width: 2px; height: 18px; background: #cfd6e6; }
.col .node { width: 100%; border-top: 3px solid var(--teal); }
.leafs { display: grid; gap: 6px; width: 100%; }
.leafs span { font-size: 12.5px; color: var(--text); background: #fff; border: 1px dashed #cfd6e6; border-radius: 8px; padding: 6px; }
.org-note { margin-top: 16px; font-size: 12px; color: var(--muted); }

/* ---------- modüller ---------- */
.mod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mod { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; transition: border-color .2s, transform .2s; }
.mod:hover { border-color: var(--teal); transform: translateY(-2px); }
.mod h3 { font-size: 16px; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.mod h3::before { content: ""; width: 8px; height: 8px; border-radius: 3px; background: var(--teal); flex: none; }
.mod p { font-size: 14px; color: var(--muted); line-height: 1.5; }

/* ---------- roller ---------- */
.roles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.role { padding: 26px 22px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff; }
.role h3 { font-size: 19px; margin-bottom: 10px; }
.role p { color: var(--muted); font-size: 15px; }
.role.mobile { background: linear-gradient(160deg, var(--navy-2), var(--navy)); border-color: var(--navy); }
.role.mobile h3 { color: #fff; } .role.mobile p { color: #c9d3ee; }
.soon { display: inline-block; margin-top: 16px; font-size: 12.5px; font-weight: 650; color: var(--navy); background: #7fe3ee; border-radius: 999px; padding: 4px 12px; }

/* ---------- süreç ---------- */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { counter-increment: s; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 22px; position: relative; }
.steps li::before { content: counter(s, decimal-leading-zero); display: block; font-size: 30px; font-weight: 800; color: transparent; -webkit-text-stroke: 1.5px var(--teal); margin-bottom: 12px; letter-spacing: -.02em; }
.steps b { display: block; color: var(--ink); font-size: 17px; margin-bottom: 6px; }
.steps span { color: var(--muted); font-size: 15px; }

/* ---------- SSS ---------- */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 0 20px; transition: border-color .2s; }
.faq details[open] { border-color: #c5cde0; box-shadow: var(--shadow); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; font-weight: 650; color: var(--ink); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 2px; top: 50%; width: 10px; height: 10px; border-right: 2px solid var(--navy); border-bottom: 2px solid var(--navy); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { padding: 0 0 18px; color: var(--muted); }

/* ---------- demo formu ---------- */
.section.demo { background: radial-gradient(900px 500px at 0% 100%, rgba(19, 176, 194, .25), transparent 60%), linear-gradient(160deg, var(--navy-2), var(--navy-deep)); color: #c9d3ee; }
.demo-in { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.3fr); gap: 56px; align-items: start; }
.demo-copy h2 { color: #fff; font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; letter-spacing: -.03em; }
.demo-copy > p { margin-top: 16px; font-size: 17px; color: #c9d3ee; }
.demo-points { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.demo-points li { padding-left: 30px; position: relative; color: #fff; font-weight: 550; }
.demo-points li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: rgba(127, 227, 238, .18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%237fe3ee' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; }
.form { background: #fff; color: var(--text); border-radius: var(--radius-lg); padding: 28px; box-shadow: 0 30px 80px rgba(0, 0, 0, .35); display: grid; gap: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.form label { display: block; font-size: 13.5px; font-weight: 650; color: var(--ink); }
.form label > input, .form label > select, .form label > textarea { display: block; margin-top: 6px; }
.req { color: #d63b4a; margin-left: 2px; }
.form input, .form select, .form textarea { font: inherit; font-size: 15px; font-weight: 450; color: var(--ink); padding: 11px 13px; border: 1px solid #d4dae7; border-radius: 10px; background: #fff; width: 100%; transition: border-color .15s, box-shadow .15s; }
.form textarea { resize: vertical; min-height: 84px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--teal-2); box-shadow: 0 0 0 4px rgba(19, 176, 194, .15); }
.form [aria-invalid="true"] { border-color: #d63b4a; box-shadow: 0 0 0 4px rgba(214, 59, 74, .1); }
.chips { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips legend { font-size: 13.5px; font-weight: 650; color: var(--ink); margin-bottom: 8px; padding: 0; }
.chips label { display: inline-flex; font-weight: 550; }
.chips input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chips span { display: inline-block; padding: 7px 13px; border-radius: 999px; border: 1px solid #d4dae7; font-size: 13.5px; color: var(--text); cursor: pointer; transition: all .15s; user-select: none; }
.chips input:checked + span { background: var(--navy); border-color: var(--navy); color: #fff; }
.chips input:focus-visible + span { outline: 3px solid var(--teal); outline-offset: 2px; }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form .consent { display: flex; align-items: flex-start; gap: 10px; font-weight: 450; font-size: 14px; color: var(--text); }
.consent input { width: 18px; height: 18px; margin-top: 2px; flex: none; accent-color: var(--navy); padding: 0; }
.form-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-msg { font-size: 14.5px; font-weight: 550; }
.form-msg.ok { color: #12805c; } .form-msg.err { color: #c8323f; }
.form.done { text-align: center; padding: 56px 28px; place-items: center; }
.form.done h3 { font-size: 24px; } .form.done p { color: var(--muted); max-width: 420px; }
.done-ico { width: 64px; height: 64px; border-radius: 50%; background: #e3f6ee url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%2312805c' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/34px no-repeat; }

/* ---------- alt bilgi ---------- */
.foot { background: var(--navy-deep); color: #9fb0db; padding: 48px 0 28px; }
.foot-in { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot p { margin-top: 10px; font-size: 14.5px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: flex-start; max-width: 620px; }
.foot nav a { color: #c9d3ee; text-decoration: none; font-size: 14.5px; }
.foot nav a:hover { color: #fff; }
.copy { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 13px; }

/* ---------- metin sayfası (KVKK) ---------- */
.doc { padding: 56px 0 80px; }
.doc article { width: min(820px, 100% - 32px); margin-inline: auto; }
.doc h1 { font-size: clamp(28px, 4vw, 38px); font-weight: 800; }
.doc .meta { color: var(--muted); font-size: 14px; margin: 8px 0 28px; }
.doc h2 { font-size: 20px; margin: 32px 0 10px; }
.doc p, .doc li { color: var(--text); }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 22px; }

/* ---------- test + optik okuma ---------- */
.section.test-sec { background: linear-gradient(180deg, #fff 0%, var(--teal-soft) 100%); }
.tb { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 56px; align-items: center; }
.tb-copy h2 { font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; letter-spacing: -.03em; }
.tb-copy > p { color: var(--muted); font-size: 17px; margin-top: 16px; }
.tb-steps { list-style: none; counter-reset: t; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.tb-steps li { counter-increment: t; position: relative; padding-left: 46px; }
.tb-steps li::before { content: counter(t); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 10px; background: var(--navy); color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 15px; }
.tb-steps b { display: block; color: var(--ink); }
.tb-steps span { color: var(--muted); font-size: 15px; }
.tb-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tb-chips span { font-size: 13px; font-weight: 650; color: var(--teal-2); background: #fff; border: 1px solid #bfe9ee; border-radius: 999px; padding: 6px 12px; }
.tb-visual { position: relative; padding: 0 0 70px 60px; }
.tb-paper { position: absolute; left: 0; bottom: 0; width: 34%; transform: rotate(-6deg); border: 1px solid var(--line); box-shadow: var(--shadow-lg); background: #fff; border-radius: 4px; }
.tb-phone { position: absolute; right: -10px; bottom: 10px; width: 30%; border: 8px solid var(--ink); border-radius: 28px; overflow: hidden; box-shadow: var(--shadow-lg); background: #fff; }
.tb-phone img { width: 100%; height: auto; }
/* akademik program bölümü: görsel solda */
.section.ap-sec { background: linear-gradient(180deg, var(--teal-soft) 0%, #fff 100%); }
.tb.rev { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.tb.rev .tb-visual { order: -1; }
.ap-visual { padding: 0 60px 80px 0; }
.ap-float { position: absolute; right: 0; bottom: 0; width: 42%; height: auto; border-radius: 14px; border: 1px solid var(--line); box-shadow: var(--shadow-lg); background: #fff; }
@media (max-width: 900px) {
  .tb { grid-template-columns: 1fr; gap: 40px; }
  .tb-visual { padding: 0 0 50px 30px; }
  .tb-phone { right: 0; }
  .tb.rev { grid-template-columns: 1fr; }
  .tb.rev .tb-visual { order: 0; }
  .ap-visual { padding: 0 30px 50px 0; }
}

/* ---------- görünürlük animasyonu ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- duyarlı ---------- */
@media (max-width: 1080px) {
  .links { display: none; }
  .menu-btn { display: inline-flex; }
  .value-grid, .roles, .steps { grid-template-columns: repeat(2, 1fr); }
  .mod-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .hero { padding-top: 40px; }
  .hero-in, .panel, .ai-layout, .gm, .demo-in { grid-template-columns: 1fr; }
  .hero-in { gap: 48px; }
  .frame.tilt { transform: none; }
  .ai-card { left: 8px; bottom: -40px; }
  .risk-chip { right: 8px; top: -18px; }
  .chat { position: static; }
  .section { padding: 72px 0; }
  .tabs { border-radius: 16px; }
  .gm { gap: 40px; }
}
@media (max-width: 640px) {
  .hide-sm { display: none; }
  .value-grid, .roles, .steps, .mod-grid, .ai-grid, .grid2 { grid-template-columns: 1fr; }
  .tabs { width: 100%; flex-wrap: nowrap; overflow-x: auto; border-radius: 14px; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs button { flex: none; }
  .form { padding: 20px; }
  .ai-card { position: relative; left: auto; bottom: auto; width: auto; margin: -24px 12px 0; }
  .risk-chip { padding: 9px 12px; }
  .branches { gap: 8px; } .node { padding: 8px 10px; } .node b { font-size: 13px; }
  .trust { margin-top: 48px; font-size: 14px; }
  .btn.lg { width: 100%; }
  .hero-actions { margin: 24px 0; }
  .nav-cta .btn.primary { padding: 7px 12px; font-size: 13px; }
  .nav-in { gap: 10px; height: 60px; }
  .brand { font-size: 17px; gap: 7px; }
  .brand img { width: 28px; height: auto; }
  .menu-btn { width: 36px; height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}