/* =========================================================
   BONDAI — Styles
   File: css/style.css
   ========================================================= */

:root {
  --bg: #0d0b14;
  --bg-soft: #150f22;
  --text: #f6f4fa;
  --muted: #a79fbd;
  --line: rgba(255, 255, 255, .09);
  --violet: #7c3aed;
  --violet-light: #9d6bff;
  --magenta: #ff2f92;
  --radius: 26px;
  --shell: 1160px;
  --ease: .35s cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { font-family: "Plus Jakarta Sans", "Inter", sans-serif; margin: 0; }

.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }

/* AMBIENT GLOW */

.ambient {
  position: fixed;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  filter: blur(130px);
  opacity: .18;
  pointer-events: none;
  z-index: -1;
}
.ambient-one { background: var(--violet); top: -220px; left: -220px; }
.ambient-two { background: var(--magenta); right: -260px; top: 420px; opacity: .13; }

/* HEADER */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: var(--ease);
}
.site-header.scrolled {
  background: rgba(13, 11, 20, .72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-cluster { display: flex; align-items: center; gap: 14px; }

.lume-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 600;
  font-size: .95rem;
  color: #c9c3d8;
  transition: color var(--ease);
}
.lume-brand:hover { color: #fff; }
.lume-mark { width: 26px; height: 26px; border-radius: 8px; opacity: .92; }

.brand-divider { width: 1px; height: 22px; background: var(--line); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.02em;
}
.brand-mark { width: 34px; height: 34px; border-radius: 10px; box-shadow: 0 8px 26px rgba(124, 58, 237, .35); }

nav[aria-label="Main navigation"] { display: flex; align-items: center; gap: 26px; }
nav[aria-label="Main navigation"] a:not(.nav-cta) {
  color: #d7d2e2;
  font-size: .92rem;
  font-weight: 500;
  transition: color var(--ease);
}
nav[aria-label="Main navigation"] a:not(.nav-cta):hover { color: #fff; }
.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--violet), var(--magenta));
  color: #fff;
  font-size: .87rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(124, 58, 237, .3);
  transition: transform var(--ease), box-shadow var(--ease);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(124, 58, 237, .4); }

/* HERO */

.hero { padding: 168px 0 110px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 64px;
}
.hero-copy { max-width: 600px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .045);
  font-size: .87rem;
  font-weight: 600;
  color: #ddd8e8;
  margin-bottom: 28px;
}
.heart { display: inline-block; color: var(--magenta); animation: heartbeat 1.8s infinite; filter: drop-shadow(0 0 6px rgba(255, 47, 146, .45)); }
@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.22); }
  30% { transform: scale(1); }
}

h1 {
  font-size: clamp(3.1rem, 6vw, 5.4rem);
  line-height: .98;
  font-weight: 800;
  letter-spacing: -.03em;
}
h1 span {
  background: linear-gradient(100deg, var(--violet-light) 10%, var(--magenta) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text {
  max-width: 540px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
}
.tag-strip span {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .03);
  font-size: .78rem;
  font-weight: 500;
  color: #beb6cf;
  letter-spacing: .01em;
}

.download-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.store-badge { height: 58px; width: auto; display: block; transition: transform var(--ease), filter var(--ease); }
.store-badge:hover { transform: translateY(-3px); filter: brightness(1.08); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 26px;
  color: #cfc8de;
  font-size: .92rem;
  font-weight: 600;
}
.text-link span { color: var(--magenta); transition: transform var(--ease); }
.text-link:hover span { transform: translate(3px, -3px); }

/* HERO VISUAL */

.hero-visual { position: relative; min-height: 480px; display: grid; place-items: center; }
.visual-glow {
  position: absolute;
  inset: -12% -8%;
  z-index: 1;
  background:
    radial-gradient(circle at 25% 20%, rgba(124, 58, 237, .38), transparent 55%),
    radial-gradient(circle at 80% 85%, rgba(255, 47, 146, .3), transparent 55%);
  filter: blur(70px);
  pointer-events: none;
}
.photo-frame {
  position: relative;
  z-index: 2;
  width: min(100%, 460px);
  aspect-ratio: 4 / 3.1;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 40px 100px rgba(0, 0, 0, .55);
}
.photo-frame-img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; display: block; }

.floating-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 17px;
  border-radius: 14px;
  background: rgba(21, 15, 30, .75);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 20px 46px rgba(0, 0, 0, .35);
  font-size: .85rem;
  font-weight: 600;
  color: #efe9f7;
  animation: floatSlow 6s ease-in-out infinite;
}
.floating-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: linear-gradient(120deg, var(--violet-light), var(--magenta)); box-shadow: 0 0 12px rgba(255, 47, 146, .7); }
.chip-one { top: 9%; left: -6%; animation-delay: 0s; }
.chip-two { bottom: 11%; right: -6%; animation-delay: 1.4s; }
@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* SECTION SHARED */

.eyebrow {
  margin: 0 0 16px;
  color: var(--violet-light);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.section-intro { max-width: 700px; margin-bottom: 50px; }
.section-intro h2 {
  font-size: clamp(2.1rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.08;
}
.section-intro > p:last-child { margin-top: 18px; color: var(--muted); font-size: 1.04rem; line-height: 1.75; }

/* WHAT BONDAI UNDERSTANDS */

.understand { padding: 60px 0 110px; }
.understand-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.understand-card {
  flex: 1 1 280px;
  max-width: 340px;
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.understand-card:hover {
  transform: translateY(-6px);
  border-color: rgba(157, 107, 255, .3);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
}
.card-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(124, 58, 237, .3), rgba(255, 47, 146, .22));
  border: 1px solid rgba(255, 255, 255, .1);
  font-size: 1.25rem;
  color: #fff;
}
.understand-card h3 { margin-bottom: 9px; font-size: 1.2rem; font-weight: 700; letter-spacing: -.02em; }
.understand-card p { margin: 0; color: var(--muted); font-size: .93rem; line-height: 1.65; }

/* SHOWCASE */

.showcase { padding: 40px 0 120px; }
.showcase-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  align-items: center;
  gap: 70px;
}
.phone-visual { position: relative; display: grid; place-items: center; min-height: 480px; }
.phone-glow {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at 50% 40%, rgba(124, 58, 237, .32), transparent 62%);
  filter: blur(50px);
}
.phone {
  position: relative;
  z-index: 2;
  width: 268px;
  height: 550px;
  padding: 10px;
  border-radius: 44px;
  background: linear-gradient(150deg, #2c2438, #100c18 48%, #241d30);
  box-shadow: 0 35px 90px rgba(0, 0, 0, .55), inset 0 0 0 1px rgba(255, 255, 255, .14);
}
.phone-notch {
  position: absolute;
  z-index: 3;
  width: 96px;
  height: 24px;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #0a0710;
}
.phone-img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; border-radius: 35px; display: block; filter: saturate(.92) brightness(.95); }

.showcase-copy { max-width: 520px; }
.showcase-copy .eyebrow { margin-bottom: 14px; }
.showcase-copy h2 { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -.025em; line-height: 1.08; margin-bottom: 20px; }
.showcase-copy > p { color: var(--muted); font-size: 1.03rem; line-height: 1.8; margin: 0 0 28px; }
.check-list { display: flex; flex-direction: column; gap: 14px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  color: #ddd8e8;
  font-size: .96rem;
  font-weight: 500;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--violet), var(--magenta));
}
.check-list li::after {
  content: "✓";
  position: absolute;
  left: 3px;
  top: 1px;
  font-size: .68rem;
  font-weight: 800;
  color: #fff;
}

/* HOW IT HELPS */

.helps { padding: 30px 0 120px; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step { position: relative; padding-top: 8px; border-top: 1px solid var(--line); }
.step-index {
  display: block;
  margin-bottom: 18px;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: transparent;
  background: linear-gradient(120deg, var(--violet-light), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
}
.step h3 { margin-bottom: 12px; font-size: 1.28rem; font-weight: 700; letter-spacing: -.02em; }
.step p { margin: 0; color: var(--muted); font-size: .96rem; line-height: 1.75; }

/* DOWNLOAD CTA */

.download-section { padding: 20px 0 130px; }
.download-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(48px, 7vw, 88px) clamp(24px, 6vw, 60px);
  border-radius: 36px;
  border: 1px solid rgba(255, 255, 255, .1);
  background:
    radial-gradient(circle at 20% 15%, rgba(124, 58, 237, .35), transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(255, 47, 146, .28), transparent 45%),
    linear-gradient(160deg, #17111f 0%, #0d0b14 100%);
  box-shadow: 0 40px 100px rgba(0, 0, 0, .5);
}
.download-mark { position: relative; z-index: 2; width: 56px; height: 56px; border-radius: 16px; margin-bottom: 26px; box-shadow: 0 12px 34px rgba(124, 58, 237, .4); }
.download-card h2 { position: relative; z-index: 2; font-size: clamp(2.1rem, 4.5vw, 3.2rem); font-weight: 800; letter-spacing: -.025em; line-height: 1.08; }
.download-card > p { position: relative; z-index: 2; max-width: 480px; margin: 18px auto 0; color: var(--muted); font-size: 1.04rem; line-height: 1.75; }
.download-card .download-buttons { position: relative; z-index: 2; justify-content: center; margin-top: 34px; }

/* FOOTER */

footer { padding: 60px 0 42px; border-top: 1px solid var(--line); }
.footer-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 26px;
}
.footer-brand-group { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-mark { width: 40px; height: 40px; border-radius: 12px; }
.footer-name { display: block; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 1.02rem; }
.footer-tag { display: block; color: var(--muted); font-size: .82rem; margin-top: 2px; }

.footer-studio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: .86rem;
  font-weight: 500;
  transition: color var(--ease);
}
.footer-studio:hover { color: #fff; }
.footer-studio-mark { width: 20px; height: 20px; border-radius: 6px; opacity: .9; }

.social-links { display: flex; gap: 14px; justify-content: flex-end; }
.social-links a {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  transition: transform var(--ease), border-color var(--ease);
}
.social-links a:hover { transform: translateY(-3px); border-color: rgba(157, 107, 255, .35); }
.social-links img { width: 19px; height: 19px; border-radius: 5px; }

.footer-links { grid-column: 1 / -1; display: flex; gap: 26px; padding-top: 30px; border-top: 1px solid var(--line); }
.footer-links a { color: #beb6cf; font-size: .88rem; font-weight: 500; transition: color var(--ease); }
.footer-links a:hover { color: #fff; }

.copyright { grid-column: 1 / -1; margin: 0; color: #6c6480; font-size: .82rem; }

/* LEGAL / UTILITY PAGES */

.page-header { padding: 168px 0 40px; text-align: center; }
.page-header .eyebrow { display: block; }
.page-header h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.05;
}
.page-header > .shell > p:last-child {
  max-width: 620px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.content-page { padding: 20px 0 120px; }
.content-page--top { padding-top: 168px; }
.content-card--center { text-align: center; }
.content-card--center .success-mark { margin-inline: auto; }
.content-card {
  max-width: 760px;
  margin-inline: auto;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
}
.content-card > img.logo { width: 58px; height: 58px; border-radius: 16px; margin-bottom: 22px; box-shadow: 0 12px 34px rgba(124, 58, 237, .35); }
.content-card h1 { font-size: clamp(1.9rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -.025em; margin-bottom: 14px; }
.content-card > p.lead { color: var(--muted); font-size: 1rem; line-height: 1.8; margin-bottom: 30px; }
.content-card h2 { margin: 32px 0 12px; font-size: 1.28rem; font-weight: 700; letter-spacing: -.02em; color: var(--text); }
.content-card h2:first-of-type { margin-top: 0; }
.content-card h3 { margin: 22px 0 8px; font-size: 1.02rem; font-weight: 700; color: var(--violet-light); }
.content-card p, .content-card li { color: var(--muted); line-height: 1.85; font-size: .97rem; }
.content-card ul { padding-left: 22px; margin-top: 8px; }
.content-card a { color: var(--violet-light); font-weight: 600; }
.content-card a:hover { color: #fff; }
.content-card strong { color: var(--text); }

.info-box {
  padding: 22px 24px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, .03);
}
.info-box h2 { margin: 0 0 12px; font-size: 1.08rem; }
.info-box p { margin-bottom: 8px; }
.info-box p:last-child { margin-bottom: 0; }

.privacy-note {
  margin-top: 32px;
  padding: 22px 24px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(124, 58, 237, .14), rgba(255, 47, 146, .08));
}
.privacy-note h2 { margin: 0 0 8px; font-size: 1.04rem; }
.privacy-note p { margin: 0; }

.section-title { margin: 34px 0 18px; text-align: center; font-size: 1.15rem; }

/* Forms */

.field { margin-bottom: 16px; }
.content-card input,
.content-card textarea {
  width: 100%;
  padding: 15px 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: .95rem;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.content-card input::placeholder,
.content-card textarea::placeholder { color: #736a88; }
.content-card input:focus,
.content-card textarea:focus {
  outline: none;
  border-color: rgba(157, 107, 255, .5);
  box-shadow: 0 0 0 4px rgba(157, 107, 255, .15);
}
.content-card textarea { min-height: 150px; resize: vertical; }
.content-card button[type="submit"] {
  width: 100%;
  padding: 16px;
  margin-top: 6px;
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  background: linear-gradient(120deg, var(--violet), var(--magenta));
  box-shadow: 0 16px 40px rgba(124, 58, 237, .3);
  transition: transform var(--ease), box-shadow var(--ease);
}
.content-card button[type="submit"]:hover { transform: translateY(-2px); box-shadow: 0 20px 48px rgba(124, 58, 237, .4); }

.contact-direct { text-align: center; margin: 22px 0 30px; }
.contact-label { color: var(--muted); font-size: .9rem; margin-bottom: 10px; }
.contact-email { display: inline-flex; font-weight: 700; color: var(--violet-light); }
.contact-email:hover { color: #fff; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 30px;
  color: #cfc8de;
  font-size: .92rem;
  font-weight: 600;
  transition: color var(--ease);
}
.back-link:hover { color: #fff; }

.success-mark {
  width: 74px;
  height: 74px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--violet), var(--magenta));
  box-shadow: 0 20px 50px rgba(124, 58, 237, .4);
  font-size: 1.9rem;
  color: #fff;
}

/* REVEAL ANIMATION */

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-copy { max-width: 640px; }
  .hero-visual { min-height: 0; }
  .photo-frame { width: min(100%, 440px); margin: 0 auto; }
  .understand-card { flex-basis: calc(50% - 16px); }
  .showcase-grid { grid-template-columns: 1fr; gap: 50px; }
  .phone-visual { min-height: 0; order: -1; }
  .showcase-copy { max-width: 640px; margin: 0 auto; text-align: left; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 680px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .brand-cluster { gap: 8px; }
  .lume-brand span, .brand span { display: none; }
  .brand-divider { height: 18px; }
  nav[aria-label="Main navigation"] { gap: 14px; }
  nav[aria-label="Main navigation"] a:not(.nav-cta) { display: none; }
  .footer-studio { padding-left: 0; border-left: 0; }
  .hero { padding: 128px 0 80px; }
  .hero-text { font-size: 1rem; }
  .page-header { padding: 128px 0 30px; }
  .content-page { padding: 10px 0 90px; }
  .content-page--top { padding-top: 118px; }
  .download-buttons { justify-content: center; }
  .store-badge { height: 50px; }
  .photo-frame { aspect-ratio: 4 / 3.6; }
  .floating-chip { font-size: .76rem; padding: 9px 13px; }
  .chip-one { left: 0; top: 4%; }
  .chip-two { right: 0; bottom: 6%; }
  .understand { padding: 40px 0 80px; }
  .understand-card { flex-basis: 100%; max-width: 420px; }
  .showcase { padding: 20px 0 90px; }
  .phone { width: 220px; height: 452px; border-radius: 38px; }
  .helps { padding: 10px 0 90px; }
  .download-section { padding: 0 0 90px; }
  .download-card { border-radius: 28px; }
  .footer-wrap { grid-template-columns: 1fr; }
  .social-links { justify-content: flex-start; }
  .footer-links { flex-wrap: wrap; gap: 16px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}