/* 익투스 홈페이지. 색·간격은 전부 :root 토큰 — 어두운 모드는 맨 아래에서 토큰만 바꾼다. */
@font-face {
  font-family: "Pretendard Variable"; font-weight: 45 920; font-style: normal; font-display: swap;
  src: url("PretendardVariable.woff2") format("woff2-variations");
}
:root {
  --bg: #fbfaf7; --bg-tint: #f1efe8; --surface: #ffffff;
  --ink: #10202b; --ink-2: #47565f; --ink-3: #7b8890; --line: #e2dfd5;
  --accent: #0b6e6e; --accent-ink: #085757; --accent-soft: #dff0ee;
  --dark: #0d1c24; --dark-ink: #e9f0f1; --dark-2: #a5b6bb;
  --shadow: 0 1px 2px rgba(16,32,43,.05), 0 12px 32px -12px rgba(16,32,43,.18);
  --r: 16px; --wrap: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 17px; line-height: 1.65; letter-spacing: -0.01em;
  word-break: keep-all; overflow-wrap: break-word; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* 상단 바 */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 19px; letter-spacing: -0.02em; }
.mark { width: 30px; height: 30px; flex: none; }
.mark path { fill: none; stroke: var(--accent); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.brand-en { font-weight: 500; color: var(--ink-3); font-size: 15px; letter-spacing: 0; }
.links { display: flex; align-items: center; gap: 4px; font-size: 15.5px; font-weight: 500; }
.links a { padding: 8px 12px; border-radius: 10px; color: var(--ink-2); }
.links a:hover { color: var(--ink); background: var(--bg-tint); }
.links .nav-cta { color: #fff; background: var(--accent); margin-left: 6px; }
.links .nav-cta:hover { background: var(--accent-ink); color: #fff; }

/* 첫 화면 */
.hero { padding: 84px 0 96px; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.eyebrow { font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: .04em; margin-bottom: 14px; }
h1 { font-size: clamp(38px, 5.4vw, 62px); line-height: 1.16; font-weight: 800; letter-spacing: -0.035em; }
h1 em { font-style: normal; color: var(--accent); }
.lead { margin-top: 22px; font-size: 19px; color: var(--ink-2); max-width: 30em; }
.lead b { color: var(--ink); font-weight: 700; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; height: 50px; padding: 0 22px; border-radius: 12px; font-weight: 700; font-size: 16.5px; transition: transform .12s, background .12s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); }
.btn-ghost { border: 1.5px solid var(--line); background: var(--surface); }
.btn-ghost:hover { border-color: var(--ink-3); }

/* 화면 예시 */
.hero-art { position: relative; min-height: 380px; }
.win { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden; width: min(100%, 440px); }
.win-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--bg-tint); }
.win-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.win-bar span { margin-left: 8px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.grid { width: 100%; border-collapse: separate; border-spacing: 5px; padding: 10px; font-size: 13.5px; text-align: center; }
.grid th { font-weight: 600; color: var(--ink-3); font-size: 12.5px; padding: 2px; }
.grid td { padding: 9px 2px; border-radius: 8px; font-weight: 600; }
.c1 { background: #e3eefc; color: #1d4e89; } .c2 { background: #dff0ee; color: #085757; }
.c3 { background: #fdebd3; color: #8a4b08; } .c4 { background: #ece6fa; color: #4b2e96; }
.c5 { background: #e2f3df; color: #2c6a23; } .c6 { background: #fde4ea; color: #99264a; }
.c7 { background: #eeeae0; color: #5c5340; }
.grid td.pick { outline: 2px solid var(--accent); outline-offset: 1px; }
.win-foot { display: flex; justify-content: space-between; padding: 10px 16px 13px; font-size: 13px; color: var(--ink-3); border-top: 1px solid var(--line); }
.win-foot b { color: var(--accent); }
.phone { position: absolute; right: 0; bottom: -28px; width: 208px; background: var(--dark); color: var(--dark-ink); border-radius: 28px; padding: 18px 14px 20px; box-shadow: var(--shadow); border: 5px solid #1c313b; }
.phone-top { font-size: 13px; color: var(--dark-2); margin-bottom: 10px; padding-left: 4px; }
.phone-top b { color: var(--dark-ink); }
.p-card { background: var(--accent); border-radius: 14px; padding: 12px 14px; display: grid; margin-bottom: 8px; }
.p-card small { font-size: 11.5px; opacity: .8; } .p-card strong { font-size: 21px; line-height: 1.3; } .p-card span { font-size: 12.5px; opacity: .85; }
.p-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 9px 6px; font-size: 13px; border-top: 1px solid rgba(255,255,255,.09); }
.p-row span { color: var(--dark-2); } .p-row b { font-weight: 600; } .p-row .ok { color: #5fd6c4; }

/* 구역 공통 */
.sec { padding: 92px 0; }
.sec-tint { background: var(--bg-tint); border-block: 1px solid var(--line); }
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.25; font-weight: 800; letter-spacing: -0.03em; }
.sec-lead { margin-top: 14px; color: var(--ink-2); max-width: 38em; font-size: 18px; }
h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; }

.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 28px 26px 30px; }
.card svg { width: 30px; height: 30px; fill: none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 18px; }
.card p { margin-top: 8px; color: var(--ink-2); font-size: 16.5px; }

.prod { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 44px; }
.prod-text { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 30px 28px; }
.prod-text h3 { font-size: 25px; margin-top: 14px; }
.prod-text h3 small { font-size: 14px; font-weight: 600; color: var(--ink-3); margin-left: 4px; }
.prod-text > p { margin-top: 8px; color: var(--ink-2); }
.badge { display: inline-block; font-size: 13px; font-weight: 700; padding: 4px 11px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); }
.badge-plan { background: transparent; border: 1.5px dashed var(--ink-3); color: var(--ink-2); }
.feat { margin-top: 22px; border-top: 1px solid var(--line); }
.feat li { display: grid; grid-template-columns: 6.2em 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 16.5px; }
.feat li:last-child { border-bottom: 0; padding-bottom: 0; }
.feat span { color: var(--ink-2); }

.link-box { margin-top: 16px; border: 1.5px dashed var(--ink-3); border-radius: var(--r); padding: 30px 28px; }
.link-box h3 { margin-top: 14px; font-size: 23px; }
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; counter-reset: f; }
.flow li { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; display: grid; gap: 4px; }
.flow li:not(:last-child)::after { content: "→"; position: absolute; right: -14px; top: 50%; transform: translate(50%, -50%); color: var(--ink-3); font-weight: 700; z-index: 1; }
.flow b { color: var(--accent); } .flow span { color: var(--ink-2); font-size: 15.5px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 44px; }
.steps li { border-top: 2px solid var(--ink); padding-top: 18px; }
.steps span { font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: .04em; }
.steps h3 { margin-top: 6px; } .steps p { margin-top: 6px; color: var(--ink-2); font-size: 16px; }

.sec-dark { background: var(--dark); color: var(--dark-ink); }
.sec-dark .eyebrow { color: #5fd6c4; } .sec-dark .sec-lead { color: var(--dark-2); }
.contact { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.contact-box { border: 1px solid rgba(255,255,255,.16); border-radius: var(--r); padding: 26px 28px; display: grid; gap: 4px; }
.contact-box span { color: var(--dark-2); font-size: 16px; }
.contact-box a { color: #5fd6c4; font-weight: 700; font-size: 20px; }

.foot { padding: 30px 0 38px; border-top: 1px solid var(--line); }
.foot-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot p { color: var(--ink-3); font-size: 14.5px; }

@media (max-width: 900px) {
  .hero { padding: 52px 0 84px; }
  .hero-in, .contact, .prod { grid-template-columns: 1fr; }
  .hero-in { gap: 44px; }
  .cards3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow li:not(:last-child)::after { content: "↓"; right: 50%; top: auto; bottom: -14px; transform: translate(50%, 50%); }
  .sec { padding: 68px 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .links a:not(.nav-cta) { display: none; }
  .brand-en { display: none; }
  .lead { font-size: 17.5px; }
  .btn { flex: 1 1 auto; justify-content: center; }
  .phone { width: 176px; right: 0; bottom: -40px; }
  .win { width: calc(100% - 44px); }
  .grid { font-size: 12px; border-spacing: 3px; padding: 7px; }
  .steps { grid-template-columns: 1fr; }
  .prod-text, .link-box, .card { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c161b; --bg-tint: #101d23; --surface: #14242b;
    --ink: #e9f0f1; --ink-2: #a9b9be; --ink-3: #75878d; --line: #22363e;
    --accent: #2aa79b; --accent-ink: #1f8f85; --accent-soft: #173a3a;
    --dark: #081014; --shadow: 0 12px 32px -12px rgba(0,0,0,.6);
  }
  .badge { color: #7fe0d2; }
  .steps li { border-top-color: var(--ink-3); }
  .c1 { background: #1b3350; color: #a9cdf6; } .c2 { background: #173a3a; color: #8fe0d4; }
  .c3 { background: #3d2b12; color: #f3c88e; } .c4 { background: #2b2350; color: #c9b8f5; }
  .c5 { background: #1c3a1a; color: #a7dc9e; } .c6 { background: #42192a; color: #f5a9c0; }
  .c7 { background: #2b2a24; color: #cfc6ae; }
  .phone { border-color: #22363e; }
}