@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css");

/* ---------------------------------------------------------------
   피코 (Pico) — Picoseconds Inc. 마케팅 사이트
   디자인 토큰은 제품 정본(Toss-like)과 동일 계열을 사용한다.
   --------------------------------------------------------------- */

:root {
  --blue:        #3182F6;
  --blue-strong: #1B64DA;
  --blue-deep:   #0F4FB0;
  --blue-soft:   #EAF2FE;
  --blue-tint:   #F4F8FF;

  --ink:   #191F28;
  --ink-2: #4E5968;
  --ink-3: #8B95A1;
  --ink-4: #B0B8C1;

  --line:      #E5E8EB;
  --line-soft: #F1F3F5;

  --bg:      #FFFFFF;
  --bg-soft: #F7F8FA;
  --bg-dim:  #F2F4F6;

  --navy:      #0B1220;
  --navy-2:    #131C2E;
  --navy-line: #22304A;

  --green: #02A56B;
  --amber: #E9891E;
  --red:   #F04452;

  --r-sm: 10px;
  --r:    16px;
  --r-lg: 20px;
  --r-xl: 28px;

  --shadow-s: 0 1px 2px rgba(15, 23, 42, .04), 0 4px 12px rgba(15, 23, 42, .04);
  --shadow-m: 0 2px 6px rgba(15, 23, 42, .05), 0 14px 34px rgba(15, 23, 42, .07);
  --shadow-l: 0 8px 20px rgba(15, 23, 42, .07), 0 32px 68px rgba(15, 23, 42, .12);

  --maxw: 1160px;
  --nav-h: 64px;

  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
          "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  word-break: keep-all;
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }

h1, h2, h3, h4 { margin: 0; letter-spacing: -0.032em; line-height: 1.24; font-weight: 800; }
p  { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
figure, figcaption { margin: 0; }

::selection { background: #CFE2FF; color: #0B2E63; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 0 0 12px 0;
}
.skip:focus { left: 0; }

/* ============================== NAV ============================== */

.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.nav.is-stuck { border-bottom-color: var(--line); }
.nav__in { height: 100%; display: flex; align-items: center; gap: 28px; }

.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; letter-spacing: -0.04em; }
.brand__mark {
  width: 26px; height: 26px; border-radius: 8px; flex: none;
  background: linear-gradient(140deg, #4A93FF 0%, var(--blue) 45%, var(--blue-deep) 100%);
  display: grid; place-items: center;
  box-shadow: 0 2px 8px rgba(49, 130, 246, .35);
}
.brand__mark svg { width: 15px; height: 15px; display: block; }
.brand__name { font-size: 19px; }
.brand__suffix { font-size: 11px; font-weight: 700; color: var(--ink-3); letter-spacing: 0.02em; padding-top: 3px; }

.nav__links { display: flex; align-items: center; gap: 4px; margin-left: 6px; }
.nav__links a {
  padding: 8px 12px; border-radius: 9px; font-size: 14.5px; font-weight: 600; color: var(--ink-2);
  transition: background .16s ease, color .16s ease;
}
.nav__links a:hover { background: var(--bg-dim); color: var(--ink); }

.nav__right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.nav__toggle {
  display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 11px;
  background: #fff; place-items: center; padding: 0;
}
.nav__toggle span { display: block; width: 16px; height: 1.6px; background: var(--ink); border-radius: 2px; position: relative; transition: transform .2s ease; }
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 16px; height: 1.6px; background: var(--ink); border-radius: 2px; transition: transform .2s ease, opacity .2s ease;
}
.nav__toggle span::before { top: -5px; }
.nav__toggle span::after  { top: 5px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-5px) rotate(-45deg); }

.nav__mobile {
  display: none; position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 99;
  background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-m);
  padding: 14px 24px 22px;
}
.nav__mobile.is-open { display: block; }
.nav__mobile a { display: block; padding: 13px 4px; font-weight: 600; border-bottom: 1px solid var(--line-soft); }
.nav__mobile .btn { margin-top: 16px; width: 100%; border-bottom: 0; }

/* ============================== BUTTONS ============================== */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 20px; border-radius: 12px; border: 1px solid transparent;
  font-size: 15px; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap;
  transition: background .16s ease, border-color .16s ease, transform .1s ease, box-shadow .16s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 2px 10px rgba(49,130,246,.28); }
.btn--primary:hover { background: var(--blue-strong); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--bg-soft); border-color: #D5DAE0; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #000; }
.btn--onnavy { background: #fff; color: var(--navy); }
.btn--onnavy:hover { background: #E9EEF6; }
.btn--ghostnavy { background: transparent; color: #fff; border-color: rgba(255,255,255,.28); }
.btn--ghostnavy:hover { background: rgba(255,255,255,.08); }
.btn--sm { height: 38px; padding: 0 15px; font-size: 14px; border-radius: 10px; }
.btn--lg { height: 54px; padding: 0 28px; font-size: 16.5px; border-radius: 14px; }
.btn--block { width: 100%; }

/* ============================== SECTION PRIMITIVES ============================== */

.sec { padding: 108px 0; }
.sec--tight { padding: 84px 0; }
.sec--soft { background: var(--bg-soft); }
.sec--navy { background: var(--navy); color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.01em; color: var(--blue);
  background: var(--blue-soft); padding: 6px 12px; border-radius: 999px;
}
.sec--navy .eyebrow { color: #8FBBFF; background: rgba(49,130,246,.16); }

.sec__head { max-width: 720px; margin-bottom: 52px; }
.sec__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec__title { font-size: clamp(28px, 3.6vw, 42px); margin-top: 18px; }
.sec__desc { margin-top: 16px; font-size: 17px; line-height: 1.7; color: var(--ink-2); }
.sec--navy .sec__desc { color: #A9B6CC; }

.note { font-size: 13px; line-height: 1.65; color: var(--ink-3); }
.note--pricing { margin-top: 22px; }
.sec--navy .note { color: #7A8AA5; }

/* ============================== HERO ============================== */

.hero { position: relative; overflow: hidden; padding: 92px 0 0; }
.hero::before {
  content: ""; position: absolute; inset: -260px 0 auto; height: 760px; z-index: -1;
  background:
    radial-gradient(760px 420px at 22% 28%, rgba(49,130,246,.16), transparent 62%),
    radial-gradient(680px 420px at 82% 8%,  rgba(120,168,255,.16), transparent 60%),
    linear-gradient(180deg, #F6F9FF 0%, rgba(255,255,255,0) 88%);
}
.hero__grid { display: grid; gap: 40px; max-width: 880px; }

.hero h1 {
  font-size: clamp(36px, 5.4vw, 62px);
  line-height: 1.18;
  letter-spacing: -0.042em;
  margin-top: 22px;
}
.hero h1 em { font-style: normal; color: var(--blue); }
.hero__sub { margin-top: 22px; font-size: clamp(16.5px, 1.5vw, 19px); line-height: 1.72; color: var(--ink-2); max-width: 660px; }
.hero__cta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 10px; }

.hero__chips { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 8px 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px;
}
.chip svg { width: 14px; height: 14px; color: var(--green); flex: none; }

.hero__stage { position: relative; margin-top: 62px; padding-bottom: 92px; }

/* browser chrome mock */
.frame {
  border-radius: var(--r-xl); background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-l); overflow: hidden;
}
.frame__bar {
  height: 42px; display: flex; align-items: center; gap: 8px; padding: 0 16px;
  background: linear-gradient(180deg, #FBFCFD, #F4F6F8); border-bottom: 1px solid var(--line-soft);
}
.frame__dots { display: flex; gap: 6px; flex: none; }
.frame__dots i { width: 10px; height: 10px; border-radius: 50%; background: #DEE2E6; display: block; }
.frame__url {
  margin: 0 auto; height: 24px; min-width: 210px; max-width: 320px; border-radius: 7px;
  background: #fff; border: 1px solid var(--line); display: grid; place-items: center;
  font-size: 11.5px; color: var(--ink-3); font-weight: 600; padding: 0 14px; letter-spacing: -0.01em;
}
.frame__body { background: var(--bg-soft); }
.frame__body img { width: 100%; }

.hero__float {
  position: absolute; right: -6px; bottom: 44px; width: 268px; z-index: 3;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--shadow-l); padding: 18px 20px;
}
.hero__float b { display: block; font-size: 13px; color: var(--ink-3); font-weight: 700; }
.hero__float .big { font-size: 30px; font-weight: 800; letter-spacing: -0.04em; margin-top: 4px; }
.hero__float .big span { font-size: 16px; color: var(--ink-2); font-weight: 700; margin-left: 2px; }
.hero__float .sub { font-size: 12.5px; color: var(--ink-3); margin-top: 8px; line-height: 1.55; }
.tag-est {
  display: inline-block; font-size: 11px; font-weight: 700; color: var(--ink-2);
  background: var(--bg-dim); border-radius: 5px; padding: 2px 6px; margin-left: 6px; vertical-align: 2px;
}

/* ============================== PROOF STRIP ============================== */

.proof { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.proof__in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.proof__cell { background: var(--bg-soft); padding: 30px 24px; }
.proof__cell dt { font-size: 13px; font-weight: 700; color: var(--ink-3); }
.proof__cell dd { margin: 8px 0 0; font-size: clamp(22px, 2.4vw, 30px); font-weight: 800; letter-spacing: -0.035em; }
.proof__cell p { margin-top: 6px; font-size: 12.5px; color: var(--ink-3); line-height: 1.55; }

/* ============================== PROBLEM ============================== */

.pain { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pain__card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px;
  display: flex; gap: 18px; align-items: flex-start;
}
.pain__num {
  flex: none; width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center;
  background: #FFF1F1; color: var(--red); font-size: 13px; font-weight: 800;
}
.pain__card h3 { font-size: 18px; }
.pain__card p { margin-top: 9px; font-size: 15px; line-height: 1.68; color: var(--ink-2); }

/* ============================== STEPS ============================== */

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 24px 24px;
  position: relative; display: flex; flex-direction: column;
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.step:hover { box-shadow: var(--shadow-m); transform: translateY(-3px); border-color: #D8DEE5; }
.step__n {
  display: inline-flex; align-items: center; justify-content: center; height: 26px; min-width: 26px; padding: 0 9px;
  border-radius: 999px; background: var(--blue); color: #fff; font-size: 12.5px; font-weight: 800;
}
.step h3 { margin-top: 16px; font-size: 19px; }
.step p { margin-top: 10px; font-size: 14.5px; line-height: 1.68; color: var(--ink-2); }
.step__meta { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line-soft); font-size: 13px; color: var(--ink-3); font-weight: 600; }

/* ============================== GALLERY ============================== */

.gal { position: relative; }
.gal__stage { position: relative; }

.gal__viewport {
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -ms-overflow-style: none; scrollbar-width: none;
  border-radius: var(--r-xl);
}
.gal__viewport::-webkit-scrollbar { display: none; }
.gal__track { display: flex; }
.gal__slide { flex: 0 0 100%; scroll-snap-align: center; }

.gal__shot {
  border-radius: var(--r-xl); overflow: hidden; background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-m);
}
.gal__shot .frame__body { cursor: zoom-in; }
.gal__shot img { width: 100%; aspect-ratio: 1440 / 901; object-fit: cover; object-position: top center; background: var(--bg-soft); }

.gal__cap { margin-top: 22px; display: flex; align-items: flex-start; gap: 16px; min-height: 78px; }
.gal__cap-idx { font-size: 13px; font-weight: 800; color: var(--blue); padding-top: 3px; flex: none; letter-spacing: 0.02em; }
.gal__cap h3 { font-size: 21px; }
.gal__cap p { margin-top: 7px; font-size: 15px; line-height: 1.68; color: var(--ink-2); max-width: 660px; }

.gal__nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 4; }
.gal__nav--prev { left: -22px; }
.gal__nav--next { right: -22px; }
.gal__btn {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: #fff;
  display: grid; place-items: center; box-shadow: var(--shadow-m); padding: 0;
  transition: background .16s ease, transform .12s ease, opacity .16s ease;
}
.gal__btn:hover { background: var(--bg-soft); }
.gal__btn:disabled { opacity: .35; cursor: default; }
.gal__btn svg { width: 18px; height: 18px; }

.gal__rail {
  margin-top: 26px; display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 12px;
  scrollbar-width: thin;
}
.gal__rail::-webkit-scrollbar { height: 5px; }
.gal__rail::-webkit-scrollbar-thumb { background: var(--line); border-radius: 99px; }
.gal__thumb {
  flex: none; width: 132px; border: 1px solid var(--line); border-radius: 11px; overflow: hidden;
  background: #fff; padding: 0; text-align: left; transition: border-color .16s ease, box-shadow .16s ease, transform .12s ease;
}
.gal__thumb img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top center; }
.gal__thumb span {
  display: block; font-size: 11.5px; font-weight: 700; color: var(--ink-2);
  padding: 7px 9px 8px; border-top: 1px solid var(--line-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.gal__thumb:hover { border-color: #C9D2DC; transform: translateY(-2px); }
.gal__thumb[aria-current="true"] { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(49,130,246,.18); }
.gal__thumb[aria-current="true"] span { color: var(--blue); }

.gal__bar { margin-top: 4px; height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.gal__bar i { display: block; width: 8%; height: 100%; background: var(--blue); border-radius: 2px; transition: width .35s cubic-bezier(.22,.61,.36,1); }

/* lightbox */
.lb {
  position: fixed; inset: 0; z-index: 200; background: rgba(11,18,32,.86);
  display: none; align-items: center; justify-content: center; padding: 28px;
  backdrop-filter: blur(6px);
}
.lb.is-open { display: flex; }
.lb img { max-width: min(1600px, 96vw); max-height: 90vh; width: auto; border-radius: 14px; box-shadow: var(--shadow-l); }
.lb__close {
  position: absolute; top: 20px; right: 22px; width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.24); color: #fff;
  display: grid; place-items: center; padding: 0;
}
.lb__close:hover { background: rgba(255,255,255,.2); }
.lb__cap { position: absolute; bottom: 22px; left: 0; right: 0; text-align: center; color: #C6D2E4; font-size: 13.5px; font-weight: 600; }

/* ============================== FEATURES ============================== */

.feat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feat__card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 24px;
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.feat__card:hover { box-shadow: var(--shadow-m); transform: translateY(-3px); border-color: #D8DEE5; }
.feat__ico {
  width: 40px; height: 40px; border-radius: 12px; background: var(--blue-soft); color: var(--blue-strong);
  display: grid; place-items: center;
}
.feat__ico svg { width: 20px; height: 20px; }
.feat__card h3 { margin-top: 18px; font-size: 17px; }
.feat__card p { margin-top: 9px; font-size: 14.5px; line-height: 1.66; color: var(--ink-2); }

/* ============================== LOI (dark-ish accent) ============================== */

.loi { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.ladder { display: grid; gap: 10px; }
.ladder__row {
  display: flex; align-items: center; gap: 14px; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: 14px; background: #fff;
}
.ladder__row b { font-size: 15px; }
.ladder__row span { font-size: 13.5px; color: var(--ink-3); margin-left: auto; font-weight: 600; }
.ladder__k {
  width: 26px; height: 26px; flex: none; border-radius: 8px; display: grid; place-items: center;
  font-size: 12px; font-weight: 800; background: var(--bg-dim); color: var(--ink-2);
}
.ladder__row--llm { border-color: #D8E6FF; background: var(--blue-tint); }
.ladder__row--llm .ladder__k { background: var(--blue); color: #fff; }

.quote {
  margin-top: 26px; padding: 22px 24px; border-radius: var(--r-lg);
  background: var(--bg-soft); border: 1px solid var(--line);
  font-size: 16px; line-height: 1.7; color: var(--ink-2);
}
.quote b { color: var(--ink); }

/* ============================== MOBILE SHOWCASE ============================== */

.phones { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.phone { width: 232px; }
.phone__scr {
  border-radius: 30px; border: 8px solid #111820; background: #111820; overflow: hidden;
  box-shadow: var(--shadow-l);
}
.phone__scr img { width: 100%; display: block; }
.phone__cap { margin-top: 14px; text-align: center; font-size: 13.5px; font-weight: 700; color: var(--ink-2); }

/* ============================== SECURITY (navy) ============================== */

.sec--navy .sec__title { color: #fff; }
.shield { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.shield__card {
  background: var(--navy-2); border: 1px solid var(--navy-line); border-radius: var(--r-lg); padding: 26px 24px;
}
.shield__card h3 { font-size: 16.5px; color: #fff; display: flex; align-items: flex-start; gap: 10px; }
.shield__card h3 svg { width: 18px; height: 18px; color: #4A93FF; flex: none; margin-top: 2px; }
.shield__card p { margin-top: 11px; font-size: 14.5px; line-height: 1.68; color: #A9B6CC; }

.redline {
  margin-top: 22px; border: 1px solid var(--navy-line); border-radius: var(--r-lg);
  background: rgba(240,68,82,.05); padding: 26px 28px;
}
.redline h3 { font-size: 16.5px; color: #fff; }
.redline ul { margin-top: 14px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 28px; }
.redline li { font-size: 14.5px; color: #C0CBDD; display: flex; gap: 10px; align-items: flex-start; line-height: 1.6; }
.redline li svg { width: 15px; height: 15px; color: #FF7B85; flex: none; margin-top: 4px; }

/* ============================== PRICING ============================== */

.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: start; }
.plan {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px 24px;
  display: flex; flex-direction: column; height: 100%;
}
.plan--hot { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(49,130,246,.12), var(--shadow-m); position: relative; }
.plan__badge {
  position: absolute; top: -11px; left: 24px; background: var(--blue); color: #fff;
  font-size: 11.5px; font-weight: 800; padding: 4px 10px; border-radius: 999px; letter-spacing: 0.01em;
}
.plan__name { font-size: 15px; font-weight: 800; }
.plan__for { margin-top: 6px; font-size: 13.5px; color: var(--ink-3); min-height: 40px; line-height: 1.5; }
.plan__price { margin-top: 14px; font-size: 30px; font-weight: 800; letter-spacing: -0.04em; }
.plan__price small { font-size: 14px; font-weight: 700; color: var(--ink-2); letter-spacing: -0.01em; }
.plan__unit { margin-top: 6px; font-size: 12.5px; color: var(--ink-3); min-height: 34px; line-height: 1.5; }
.plan ul { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line-soft); display: grid; gap: 10px; }
.plan li { font-size: 14px; color: var(--ink-2); display: flex; gap: 9px; align-items: flex-start; line-height: 1.6; }
.plan li svg { width: 15px; height: 15px; color: var(--blue); flex: none; margin-top: 4px; }
.plan .btn { margin-top: 24px; }
.plan__foot { margin-top: auto; }

/* ============================== FAQ ============================== */

.faq { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 44px 22px 2px; position: relative;
  font-size: 17px; font-weight: 700; letter-spacing: -0.025em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 8px; top: 50%; width: 10px; height: 10px;
  border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3);
  transform: translateY(-70%) rotate(45deg); transition: transform .2s ease;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { padding: 0 8px 24px 2px; font-size: 15.5px; line-height: 1.75; color: var(--ink-2); }

/* ============================== CTA / CONTACT ============================== */

.cta { background: var(--navy); color: #fff; border-radius: var(--r-xl); padding: 56px; position: relative; overflow: hidden; }
.cta::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(49,130,246,.34), transparent 62%);
}
.cta__in { position: relative; display: grid; grid-template-columns: 1fr 400px; gap: 56px; align-items: start; }
.cta h2 { font-size: clamp(26px, 3vw, 36px); color: #fff; }
.cta p { margin-top: 16px; font-size: 16.5px; line-height: 1.72; color: #A9B6CC; max-width: 460px; }
.cta__mail {
  margin-top: 26px; display: inline-flex; align-items: center; gap: 10px;
  font-size: 16px; font-weight: 700; color: #fff;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  padding: 12px 18px; border-radius: 12px;
}
.cta__mail:hover { background: rgba(255,255,255,.14); }
.cta__mail svg { width: 17px; height: 17px; color: #8FBBFF; }

.cta__list { margin-top: 30px; display: grid; gap: 11px; }
.cta__list li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; line-height: 1.62; color: #C0CBDD; }
.cta__list li svg { width: 16px; height: 16px; color: #8FBBFF; flex: none; margin-top: 4px; }

.form { background: #fff; border-radius: var(--r-lg); padding: 26px; box-shadow: var(--shadow-l); }
.form h3 { font-size: 17px; color: var(--ink); }
.form__row { margin-top: 14px; }
.form label { display: block; font-size: 13px; font-weight: 700; color: var(--ink-2); margin-bottom: 6px; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 14.5px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 11px; padding: 11px 13px; background: #fff;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.form textarea { min-height: 92px; resize: vertical; line-height: 1.6; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(49,130,246,.14);
}
.form .btn { margin-top: 18px; }
.form__note { margin-top: 12px; font-size: 12px; line-height: 1.6; color: var(--ink-3); }

/* ============================== FOOTER ============================== */

.foot { background: var(--bg-soft); border-top: 1px solid var(--line); padding: 56px 0 40px; }
.foot__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot h4 { font-size: 13px; color: var(--ink-3); font-weight: 700; letter-spacing: 0.01em; }
.foot ul { margin-top: 14px; display: grid; gap: 9px; }
.foot li a { font-size: 14px; color: var(--ink-2); font-weight: 600; }
.foot li a:hover { color: var(--blue); }
.foot__addr { margin-top: 16px; font-size: 13px; line-height: 1.75; color: var(--ink-3); }
.foot__addr b { color: var(--ink-2); font-weight: 700; }
.foot__bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center;
  font-size: 13px; color: var(--ink-3);
}
.foot__bottom .sp { margin-left: auto; }

/* ============================== REVEAL ============================== */

.rv { opacity: 0; transform: translateY(16px); transition: opacity .6s cubic-bezier(.22,.61,.36,1), transform .6s cubic-bezier(.22,.61,.36,1); }
.rv.is-in { opacity: 1; transform: none; }

/* ============================== RESPONSIVE ============================== */

@media (max-width: 1240px) {
  .gal__nav--prev { left: 10px; }
  .gal__nav--next { right: 10px; }
}

@media (max-width: 1020px) {
  .feat, .steps { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: repeat(2, 1fr); }
  .shield { grid-template-columns: 1fr 1fr; }
  .loi { grid-template-columns: 1fr; gap: 34px; }
  .cta__in { grid-template-columns: 1fr; gap: 34px; }
  .hero__float { display: none; }
}

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__right .btn--ghost { display: none; }
  .nav__toggle { display: grid; }
  .proof__in { grid-template-columns: repeat(2, 1fr); }
  .foot__top { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 680px) {
  .sec { padding: 72px 0; }
  .sec--tight { padding: 58px 0; }
  .hero { padding-top: 60px; }
  .hero__stage { margin-top: 44px; padding-bottom: 0; }
  .pain, .feat, .steps, .plans, .shield { grid-template-columns: 1fr; }
  .redline ul { grid-template-columns: 1fr; }
  .cta { padding: 36px 24px; }
  .gal__nav { display: none; }
  .lb { align-items: flex-start; overflow: auto; padding: 64px 0 40px; -webkit-overflow-scrolling: touch; }
  .lb img { max-width: none; width: 1100px; max-height: none; border-radius: 0; }
  .lb__cap { position: fixed; bottom: 14px; }
  .gal__cap { min-height: 0; }
  .frame__url { display: none; }
  .wrap { padding: 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}