/* Selfit Golf — brand site
   마케팅 이미지의 느낌을 따른다: 짙은 초록 바탕, 라임 강조, 굵은 대문자 제목. */

:root {
  --bg: #06140d;
  --bg-2: #0a1d13;
  --surface: #0f2619;
  --surface-2: #143222;
  --line: rgba(255, 255, 255, .09);
  --text: #eef5ef;
  --muted: #9fb8a8;
  --lime: #c6f135;
  --lime-deep: #a9d81d;
  --mint: #45e08a;
  --cyan: #5ee7f5;
  --warn: #fbbf24;
  --radius: 22px;
  --wrap: 1180px;
  --font: "Inter", "Noto Sans KR", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Anton", "Black Han Sans", "Noto Sans KR", Impact, sans-serif;
  color-scheme: dark;
}
html[lang="ko"] {
  --font: "Noto Sans KR", "Inter", system-ui, -apple-system, "Malgun Gothic", sans-serif;
  --display: "Black Han Sans", "Noto Sans KR", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[lang="ko"] body { word-break: keep-all; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 860px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--lime); color: #0b1a10; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* ── type ───────────────────────────── */
.eyebrow {
  color: var(--lime);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
html[lang="ko"] .eyebrow { letter-spacing: .04em; font-size: 15px; }
.display, .display-2, .display-3 {
  font-family: var(--display);
  font-weight: 400;
  text-transform: uppercase;
  line-height: .98;
  letter-spacing: .005em;
}
html[lang="ko"] .display, html[lang="ko"] .display-2, html[lang="ko"] .display-3 { line-height: 1.15; letter-spacing: -.01em; }
.display { font-size: clamp(56px, 8.4vw, 116px); }
.display span { display: block; }
.display-2 { font-size: clamp(38px, 5vw, 64px); }
.display-3 { font-size: clamp(30px, 3.4vw, 44px); margin-bottom: 18px; }
.lime { color: var(--lime); }
.cyan { color: var(--cyan) !important; }
.lead { color: #cfe0d4; font-size: clamp(17px, 1.5vw, 20px); max-width: 620px; }
.fineprint { color: var(--muted); font-size: 14px; margin-top: 14px; }
.rule { display: block; width: 120px; height: 4px; background: linear-gradient(90deg, var(--lime), transparent); margin: 26px 0 22px; border-radius: 2px; }

/* ── buttons ───────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; text-decoration: none;
  transition: transform .15s ease, box-shadow .2s ease, background .2s;
}
.btn-lime { background: var(--lime); color: #0b1a10; box-shadow: 0 10px 30px -10px rgba(198, 241, 53, .6); }
.btn-lime:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(198, 241, 53, .75); }
.btn-sm { padding: 10px 18px; font-size: 15px; }

.stores { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.store {
  display: inline-flex; align-items: center; gap: 12px;
  min-width: 190px; padding: 11px 20px 11px 16px;
  background: #000; color: #fff; text-decoration: none;
  border: 1.5px solid rgba(255, 255, 255, .28); border-radius: 14px;
  transition: transform .15s ease, border-color .2s;
}
.store:hover { transform: translateY(-2px); border-color: var(--lime); }
.store-ico { width: 28px; height: 28px; flex: none; }
.store-txt { display: flex; flex-direction: column; line-height: 1.1; }
.store-txt small { font-size: 11px; letter-spacing: .02em; opacity: .85; }
.store-txt b { font-family: "Inter", sans-serif; font-size: 21px; font-weight: 600; letter-spacing: -.01em; }

/* ── top bar ───────────────────────── */
.lang-hint {
  display: flex; justify-content: center; align-items: center; gap: 14px;
  background: var(--lime); color: #0b1a10; font-size: 15px; font-weight: 600; padding: 9px 44px 9px 16px; position: relative;
  font-family: "Noto Sans KR", sans-serif;
}
.lang-hint a { color: #0b1a10; font-weight: 800; }
.lang-hint-x { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: 0; font-size: 24px; cursor: pointer; color: #0b1a10; line-height: 1; padding: 4px 8px; }
.lang-hint[hidden] { display: none; }

.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6, 20, 13, .72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.topbar.scrolled { border-bottom-color: var(--line); background: rgba(6, 20, 13, .9); }
.topbar-in { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { border-radius: 10px; }
.brand-word { display: flex; flex-direction: column; line-height: 1; font-family: "Inter", sans-serif; }
.brand-word b { font-weight: 900; font-style: italic; font-size: 19px; letter-spacing: .02em; }
.brand-word span { font-size: 10.5px; letter-spacing: .5em; color: var(--lime); margin-top: 3px; font-weight: 700; }
.nav { display: flex; gap: 26px; margin-left: 12px; }
.nav a { text-decoration: none; color: #cfe0d4; font-weight: 500; font-size: 15px; transition: color .15s; }
.nav a:hover { color: var(--lime); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: rgba(255, 255, 255, .03); }
.lang-switch a { padding: 6px 12px; border-radius: 999px; text-decoration: none; font-size: 13px; font-weight: 700; color: var(--muted); }
.lang-switch a:last-child { font-family: "Noto Sans KR", sans-serif; }
.lang-switch a.on { background: var(--text); color: #0b1a10; }
.menu-btn { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: transparent; border-radius: 12px; cursor: pointer; position: relative; }
.menu-btn span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s, opacity .2s; }
.menu-btn span:nth-child(1) { top: 14px; }
.menu-btn span:nth-child(2) { top: 20px; }
.menu-btn span:nth-child(3) { top: 26px; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── hero ──────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(69, 224, 138, .12), transparent 60%),
    linear-gradient(160deg, #0b2416 0%, var(--bg) 70%);
  padding: 60px 0 40px;
}
.hero-photo {
  position: absolute; top: 0; right: 0; bottom: 0; width: 44%;
  background: url("/img/hero-golfer.webp") center 20% / cover no-repeat;
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
}
.hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 20, 13, .55), rgba(6, 20, 13, 0) 45%), linear-gradient(0deg, rgba(6, 20, 13, .9), transparent 30%); }
.hero-slash {
  /* 사진의 왼쪽 사선 바로 바깥에 라임 띠. 사진과 같은 상자를 14px 왼쪽으로 민 것. */
  position: absolute; top: 0; bottom: 0; right: 0; width: 44%;
  transform: translateX(-14px); pointer-events: none;
  background: linear-gradient(180deg, var(--lime), var(--lime-deep));
  clip-path: polygon(22% 0, calc(22% + 14px) 0, 14px 100%, 0 100%);
}
.hero-in { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; min-height: 640px; }
.hero-copy { padding: 30px 0; }
.hero-device { display: flex; justify-content: center; }

.stats {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 48px; border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(10, 29, 19, .75); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.stats li { padding: 24px 26px; display: flex; flex-direction: column; gap: 2px; }
.stats li + li { border-left: 1px solid var(--line); }
.stats b { font-family: "Anton", sans-serif; font-weight: 400; font-size: 44px; line-height: 1; color: var(--lime); }
.stats span { color: var(--muted); font-size: 15px; }

/* ── phone mockups ─────────────────── */
.phone {
  position: relative; width: min(330px, 82vw); aspect-ratio: 9 / 18.6;
  border-radius: 48px; padding: 11px;
  background: linear-gradient(145deg, #3a3f3c, #0b0d0c 40%, #2a2e2c);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 0 1.5px rgba(255, 255, 255, .14) inset, 0 0 90px -30px rgba(198, 241, 53, .35);
}
.phone-tilt { transform: rotate(4deg); animation: float 7s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: rotate(4deg) translateY(0); } 50% { transform: rotate(3deg) translateY(-12px); } }
.phone-notch { position: absolute; top: 20px; left: 50%; transform: translateX(-50%); width: 34%; height: 24px; background: #000; border-radius: 0 0 16px 16px; z-index: 2; border-radius: 999px; }
.screen {
  height: 100%; border-radius: 38px; overflow: hidden;
  background: linear-gradient(180deg, #0f2a1c, #0a1a12);
  padding: 58px 16px 18px; display: flex; flex-direction: column;
  font-family: "Inter", "Noto Sans KR", sans-serif;
}
.s-eyebrow { color: var(--mint); font-weight: 700; font-size: 13px; text-align: center; }
.s-title { text-align: center; font-weight: 700; font-size: 16px; line-height: 1.3; margin: 4px 6px 14px; }
.s-foot { margin-top: auto; text-align: center; font-size: 11px; letter-spacing: .2em; color: #8aa597; padding-top: 10px; }
.card { background: #0c1f15; border: 1px solid rgba(255, 255, 255, .08); border-radius: 18px; padding: 14px; }
.card-h { font-weight: 700; font-size: 14px; color: #e3efe6; margin-bottom: 8px; }
.ring { position: relative; width: 112px; margin: 2px auto 10px; }
.ring svg { width: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 11; }
.ring-bg { stroke: rgba(255, 255, 255, .08); }
.ring-fg { stroke: var(--mint); stroke-linecap: round; stroke-dasharray: 314; stroke-dashoffset: calc(314 - 314 * var(--p) / 100); transition: stroke-dashoffset 1.4s cubic-bezier(.2, .8, .2, 1); }
.ring-val { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring-val b { font-size: 32px; font-weight: 800; line-height: 1; }
.ring-val small { font-size: 9.5px; color: var(--muted); margin-top: 3px; }
.metrics { display: flex; flex-direction: column; gap: 6px; }
.metrics li { display: flex; justify-content: space-between; gap: 8px; background: rgba(255, 255, 255, .04); border-radius: 9px; padding: 7px 10px; font-size: 11.5px; color: #cfe0d4; }
.metrics b { color: var(--mint); font-weight: 700; white-space: nowrap; }
.metrics b.warn { color: var(--warn); }
.priority { margin-top: 10px; background: rgba(69, 224, 138, .08); border: 1px solid rgba(69, 224, 138, .25); border-radius: 12px; padding: 9px 11px; }
.priority p { color: var(--mint); font-size: 11px; font-weight: 700; }
.priority span { font-size: 11.5px; color: #e3efe6; }

.screen-tracer .card { padding: 10px; }
.video { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 345 / 438; background: #222; }
.video img { width: 100%; height: 100%; object-fit: cover; }
.wm { position: absolute; right: 8px; bottom: 8px; background: rgba(0, 0, 0, .6); font-size: 9px; letter-spacing: .1em; padding: 3px 7px; border-radius: 5px; font-weight: 700; }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.btn-row span { text-align: center; padding: 8px; border-radius: 9px; font-size: 12.5px; font-weight: 700; }
.btn-row .ghost { border: 1px solid rgba(255, 255, 255, .2); }
.btn-row .solid { background: var(--mint); color: #062012; }

.sw-big { font-family: "Anton", sans-serif; font-size: 64px; line-height: 1; color: var(--text); margin: 6px 0 14px; }
.sw-big small { font-size: .45em; color: var(--muted); }
.gauge { position: relative; height: 12px; border-radius: 6px; background: linear-gradient(90deg, #1f4630, #2f6b47 50%, #1f4630); margin-bottom: 28px; }
.gauge-band { position: absolute; top: -3px; bottom: -3px; border-radius: 6px; background: rgba(198, 241, 53, .35); border: 1.5px solid var(--lime); transition: left .4s, width .4s; }
.gauge-mark { position: absolute; top: -8px; width: 4px; height: 28px; margin-left: -2px; background: #fff; border-radius: 2px; box-shadow: 0 0 12px rgba(255, 255, 255, .7); transition: left .4s cubic-bezier(.2, .8, .2, 1); }
.gauge-ticks { position: absolute; top: 20px; left: 0; right: 0; display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); font-family: "Inter", sans-serif; }
.gauge-ticks span:first-child { transform: translateX(-30%); }
.gauge-ticks span:last-child { transform: translateX(30%); }
.sw-band { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; color: var(--muted); }
.sw-band b { color: var(--lime); white-space: nowrap; }
.sw-verdict { margin-top: 10px; font-weight: 700; color: var(--mint); font-size: 14px; }
.sw-verdict.light, .sw-verdict.heavy { color: var(--warn); }
.sw-verdict.invalid { color: #f87171; }
.screen-fit .metrics { margin-top: 12px; }

.screen-putt { padding: 0; position: relative; background: #0d1f16; }
.screen-putt .green { position: absolute; inset: 0; width: 100%; height: 100%; }
.putt-hint { position: absolute; top: 56px; left: 14px; right: 14px; z-index: 1; display: flex; align-items: center; gap: 8px; background: rgba(0, 0, 0, .7); border: 1px solid rgba(255, 255, 255, .12); border-radius: 12px; padding: 9px 12px; font-size: 11.5px; font-weight: 600; }
.flag-ico { width: 10px; height: 14px; border-left: 2px solid #60a5fa; position: relative; flex: none; }
.flag-ico::after { content: ""; position: absolute; left: 0; top: 0; border-left: 8px solid #60a5fa; border-top: 4px solid transparent; border-bottom: 4px solid transparent; }
.putt-card { position: absolute; left: 14px; right: 14px; bottom: 22px; background: rgba(6, 14, 10, .92); border: 1px solid rgba(255, 255, 255, .1); border-radius: 18px; padding: 12px 16px; }
.putt-card p { font-size: 11.5px; color: var(--muted); }
.putt-card div { display: flex; align-items: baseline; gap: 6px; }
.putt-card b { font-family: "Inter", sans-serif; font-size: 44px; font-weight: 700; color: #60a5fa; line-height: 1.1; }
.putt-card small { font-weight: 700; }
.putt-card .clear { margin-left: auto; color: var(--mint); font-weight: 700; font-size: 13px; }
.flag { transform-origin: 163px 160px; animation: wave 2.4s ease-in-out infinite; }
@keyframes wave { 0%, 100% { transform: skewY(0); } 50% { transform: skewY(-6deg) scaleX(.94); } }
.putt-line { stroke-dasharray: 10 10; animation: dash 1.4s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -20; } }

/* ── sections ──────────────────────── */
.section { padding: 120px 0; }
.section-alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 64px; }
.section-head .lead { margin-top: 18px; }

.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; padding: 56px 0; }
.feature + .feature { border-top: 1px solid var(--line); }
.feature-flip .feature-copy { order: 2; }
.feature-art { display: flex; justify-content: center; }
.feature-copy > p { color: #cfe0d4; }
.tag { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--lime); margin-bottom: 14px; }
html[lang="ko"] .tag { letter-spacing: .04em; font-size: 14px; }
.tag-dot { width: 9px; height: 9px; border-radius: 50%; background: currentColor; box-shadow: 0 0 12px currentColor; }
.tag-cyan { color: var(--cyan); }
.tag .new { font-style: normal; background: var(--lime); color: #0b1a10; padding: 2px 8px; border-radius: 999px; font-size: 11px; letter-spacing: .06em; }
.checks { margin-top: 22px; display: grid; gap: 12px; }
.checks li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; color: #dbe8df; font-size: 16px; }
.ico-check { width: 22px; height: 22px; color: #0b1a10; background: var(--lime); border-radius: 50%; padding: 3px; margin-top: 2px; }
.link-arrow { display: inline-block; margin-top: 26px; color: var(--lime); font-weight: 700; text-decoration: none; border-bottom: 2px solid rgba(198, 241, 53, .4); padding-bottom: 2px; }
.link-arrow::after { content: " →"; }
.link-arrow:hover { border-color: var(--lime); }

.panel {
  width: min(460px, 100%);
  background: linear-gradient(180deg, var(--surface), #0b1e14);
  border: 1px solid var(--line); border-radius: 28px; padding: 26px;
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .8), 0 0 90px -40px rgba(198, 241, 53, .3);
}
.panel .card-h { font-size: 15px; margin-bottom: 16px; }
.phase-bars { display: grid; gap: 12px; }
.phase-bars li { display: grid; grid-template-columns: 112px 1fr 34px; align-items: center; gap: 12px; font-size: 14px; color: #cfe0d4; }
.phase-bars i { height: 10px; border-radius: 5px; background: rgba(255, 255, 255, .07); position: relative; overflow: hidden; }
.phase-bars i::after { content: ""; position: absolute; inset: 0; width: var(--w); border-radius: 5px; background: linear-gradient(90deg, var(--mint), var(--lime)); transform-origin: left; transform: scaleX(0); transition: transform 1.2s cubic-bezier(.2, .8, .2, 1); }
.phase-bars li.low i::after { background: linear-gradient(90deg, #f59e0b, var(--warn)); }
.in .phase-bars i::after, html:not(.js) .phase-bars i::after { transform: scaleX(1); }
.phase-bars b { text-align: right; font-family: "Inter", sans-serif; }
.range-row { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.range-row small { display: block; color: var(--muted); font-size: 12px; }
.range-row b { font-family: "Inter", sans-serif; font-size: 18px; }
.range-row .right { text-align: right; }
.range { position: relative; height: 8px; border-radius: 4px; background: rgba(255, 255, 255, .08); }
.range i { position: absolute; top: 0; bottom: 0; background: rgba(69, 224, 138, .45); border-radius: 4px; }
.range em { position: absolute; top: -5px; width: 18px; height: 18px; margin-left: -9px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgba(198, 241, 53, .25); }
.panel .priority { margin-top: 18px; }
.panel .priority p { font-size: 12px; }
.panel .priority span { font-size: 14px; }

/* ── steps ─────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: s; }
.step { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px; overflow: hidden; }
.step::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--lime), transparent); }
.step-n { position: absolute; right: 22px; top: 12px; font-family: "Anton", sans-serif; font-size: 72px; color: rgba(255, 255, 255, .05); line-height: 1; }
.step-ico { width: 46px; height: 46px; color: var(--lime); margin-bottom: 22px; }
.step h3 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 16px; }

/* ── calculator ────────────────────── */
.calc { display: grid; grid-template-columns: 1.15fr .85fr; gap: 26px; background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 30px; }
.calc-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; align-content: start; }
.field { display: flex; flex-direction: column; gap: 7px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field > span, .field legend { font-size: 14px; font-weight: 600; color: #cfe0d4; padding: 0; }
.field small { color: var(--muted); font-size: 12.5px; }
.field select, .field input[type="number"] {
  width: 100%; height: 50px; padding: 0 14px;
  background: var(--bg-2); color: var(--text); font: 600 17px var(--font);
  border: 1.5px solid rgba(255, 255, 255, .12); border-radius: 12px; outline: none; appearance: none; -moz-appearance: textfield;
  transition: border-color .15s;
}
.field select { background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 22px, calc(100% - 14px) 22px; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 36px; }
.field input::-webkit-outer-spin-button, .field input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.field select:focus, .field input:focus { border-color: var(--lime); }
.input-u { position: relative; display: block; }
.input-u em { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-style: normal; color: var(--muted); font-size: 14px; pointer-events: none; }
.input-u input { padding-right: 52px; }
.seg { flex-direction: row; flex-wrap: wrap; align-items: flex-end; gap: 0; }
.seg legend { width: 100%; margin-bottom: 7px; float: left; }
.seg label { flex: 1; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label span { display: flex; align-items: center; justify-content: center; height: 50px; border: 1.5px solid rgba(255, 255, 255, .12); font-weight: 700; cursor: pointer; color: var(--muted); background: var(--bg-2); }
.seg label:first-of-type span { border-radius: 12px 0 0 12px; }
.seg label:last-of-type span { border-radius: 0 12px 12px 0; border-left: 0; }
.seg input:checked + span { background: var(--lime); color: #0b1a10; border-color: var(--lime); }
.seg input:focus-visible + span { outline: 3px solid var(--lime); outline-offset: 2px; }
.calc-out { background: linear-gradient(180deg, #0b1e14, var(--bg-2)); border: 1px solid var(--line); border-radius: 20px; padding: 26px; display: flex; flex-direction: column; }
.calc-out .sw-big { font-size: 84px; }
.gauge-lg { height: 14px; }
.calc-out .btn { margin-top: 22px; align-self: flex-start; }

/* ── privacy ───────────────────────── */
.privacy { padding: 100px 0; background: radial-gradient(800px 400px at 80% 50%, rgba(94, 231, 245, .08), transparent 60%), var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.privacy-in { display: grid; grid-template-columns: auto 1fr; gap: 48px; align-items: center; }
.lock { width: 120px; height: 120px; color: var(--lime); padding: 22px; border-radius: 32px; background: rgba(198, 241, 53, .08); border: 1px solid rgba(198, 241, 53, .25); }
.privacy .lead { margin-top: 16px; }
.pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.pills li { border: 1px solid var(--line); background: rgba(255, 255, 255, .04); padding: 8px 16px; border-radius: 999px; font-size: 14.5px; font-weight: 600; }

/* ── gallery ───────────────────────── */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gallery figure { margin: 0; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.gallery img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; transition: transform .5s ease; }
.gallery figure:hover img { transform: scale(1.04); }

/* ── faq ───────────────────────────── */
.faq { display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 0 24px; transition: border-color .2s; }
.faq details[open] { border-color: rgba(198, 241, 53, .35); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 34px 22px 0; font-weight: 700; font-size: 18px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 4px; top: 50%; width: 12px; height: 12px; border-right: 2.5px solid var(--lime); border-bottom: 2.5px solid var(--lime); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { color: var(--muted); padding: 0 0 22px; }

/* ── cta ───────────────────────────── */
.cta { padding: 110px 0; position: relative; overflow: hidden; background: linear-gradient(135deg, #10301e, var(--bg) 60%); }
.cta::before { content: ""; position: absolute; width: 900px; height: 900px; right: -300px; top: -300px; border-radius: 50%; border: 60px solid rgba(198, 241, 53, .06); }
.cta-in { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: center; }
.cta-icon { border-radius: 24px; margin-bottom: 24px; box-shadow: 0 20px 40px -16px rgba(0, 0, 0, .8); }
.cta .lead { margin-top: 16px; }
.qr { background: #fff; color: #0b1a10; border-radius: 24px; padding: 18px 18px 14px; text-align: center; width: 220px; }
.qr img { width: 184px; height: 184px; margin: 0 auto; }
.qr p { font-size: 13px; font-weight: 700; margin-top: 8px; line-height: 1.35; }

/* ── footer ────────────────────────── */
.footer { border-top: 1px solid var(--line); padding: 46px 0 34px; background: #040e09; }
.footer-in { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer-tag { color: var(--muted); font-size: 14px; margin-top: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; }
.footer-links a { color: #cfe0d4; text-decoration: none; font-size: 15px; }
.footer-links a:hover { color: var(--lime); }
.footer-legal { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); color: #6f8a7b; font-size: 12.5px; display: grid; gap: 6px; }

/* ── reveal ────────────────────────── */
/* 스크립트가 돌 때만 숨겼다가 보여 준다. 스크립트가 막혀도 내용은 보인다. */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .8, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .phone-tilt, .flag, .putt-line { animation: none; }
}

/* ── responsive ────────────────────── */
@media (max-width: 1080px) {
  .nav { gap: 18px; }
  .feature { gap: 44px; }
  .calc { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  body { font-size: 16px; }
  .menu-btn { display: block; }
  .hide-sm { display: none; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; margin: 0; flex-direction: column; gap: 0;
    background: rgba(6, 20, 13, .98); border-bottom: 1px solid var(--line);
    padding: 8px 24px 18px; transform: translateY(-120%); transition: transform .25s ease; visibility: hidden;
  }
  .nav.open { transform: none; visibility: visible; }
  .nav a { padding: 14px 0; font-size: 18px; border-bottom: 1px solid var(--line); }
  .hero { padding-top: 0; }
  .hero-photo { position: relative; width: 100%; height: 340px; clip-path: none; background-position: center 18%; }
  .hero-photo::after { background: linear-gradient(0deg, var(--bg) 2%, rgba(6, 20, 13, .2) 60%, rgba(6, 20, 13, .5)); }
  .hero-slash { display: none; }
  .hero-in { grid-template-columns: 1fr; min-height: 0; margin-top: -150px; gap: 20px; }
  .hero-device { margin-top: 10px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats li:nth-child(3) { border-left: 0; }
  .stats li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .section { padding: 84px 0; }
  .section-head { margin-bottom: 36px; }
  .feature, .feature-flip { grid-template-columns: 1fr; gap: 40px; padding: 44px 0; }
  .feature-flip .feature-copy { order: 0; }
  .steps { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .privacy-in { grid-template-columns: 1fr; gap: 26px; }
  .lock { width: 88px; height: 88px; padding: 16px; border-radius: 24px; }
  .cta-in { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .topbar-in { gap: 12px; height: 64px; }
  .nav { inset: 64px 0 auto 0; }
  .brand-word { display: none; }
  .stores { flex-direction: column; align-items: stretch; }
  .store { min-width: 0; }
  .calc { padding: 18px; }
  .calc-inputs { grid-template-columns: 1fr; }
  .calc-out { padding: 20px; }
  .calc-out .sw-big { font-size: 68px; }
  .phase-bars li { grid-template-columns: 92px 1fr 30px; font-size: 13px; }
  .gallery { gap: 10px; }
  .qr { display: none; }
  .faq details { padding: 0 18px; }
}

/* ── error page ────────────────────── */
.error-page { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 18px; padding: 40px 20px; background: radial-gradient(700px 400px at 50% 30%, rgba(198, 241, 53, .1), transparent 60%), var(--bg); }
.error-page .brand { margin-bottom: 20px; }
.error-code { color: var(--lime); font-size: clamp(110px, 20vw, 200px); line-height: .9; }
.error-page .btn { margin-top: 10px; }
