:root {
  --ease: cubic-bezier(.16, 1, .3, 1);
  --shadow-card: 0 1px 2px rgba(30,45,90,.05), 0 10px 26px -10px rgba(30,45,90,.14), 0 28px 52px -28px rgba(30,45,90,.20);
  --shadow-float: 0 36px 70px -24px rgba(12,19,48,.55), 0 14px 30px -16px rgba(200,146,42,.28);
  --shadow-gold: 0 10px 24px -8px rgba(200,146,42,.45), 0 2px 6px rgba(200,146,42,.25);
}

html, body { -webkit-font-smoothing: antialiased; }
body { font-family: 'Plus Jakarta Sans', system-ui, sans-serif; overflow-x: hidden; }
::selection { background: #C8922A; color: #fff; }

h1, h2, h3, .font-display { font-family: 'Fraunces', serif; }

.tracking-tighter-2 { letter-spacing: -0.035em; }
.leading-relaxed-2 { line-height: 1.75; }

/* ---- Hero title: shrink for longer PT/ES copy ---- */
html[lang="pt"] #home h1,
html[lang="es"] #home h1 {
  font-size: clamp(1.9rem, 5vw, 3.4rem);
}

/* ---- Atmosphere: layered indigo gradient mesh (always dark — used for hero/CTA bands) ---- */
.mesh-dark {
  background-color: #16213F;
  background-image:
    radial-gradient(60% 50% at 18% 8%, rgba(63,127,212,.30) 0%, transparent 60%),
    radial-gradient(50% 45% at 88% 18%, rgba(200,146,42,.22) 0%, transparent 55%),
    radial-gradient(70% 60% at 75% 92%, rgba(61,90,138,.40) 0%, transparent 60%),
    linear-gradient(160deg, #1E2D5A 0%, #14203C 55%, #0C1330 100%);
}

/* ---- Atmosphere: soft light mesh (used for hero/CTA bands) ---- */
.mesh-light {
  background-color: #F8F9FF;
  background-image:
    radial-gradient(60% 50% at 18% 8%, rgba(63,127,212,.12) 0%, transparent 60%),
    radial-gradient(50% 45% at 88% 18%, rgba(200,146,42,.12) 0%, transparent 55%),
    radial-gradient(70% 60% at 75% 92%, rgba(61,90,138,.10) 0%, transparent 60%),
    linear-gradient(160deg, #FFFFFF 0%, #F2F5FC 55%, #EBF0FA 100%);
}

/* ---- Grain overlay ---- */
.grain::after {
  content: "";
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: .05; mix-blend-mode: overlay;
}

/* ---- Seigaiha (wave) motif, ultra-subtle ---- */
.seigaiha {
  background-image:
    radial-gradient(circle at 50% 100%, transparent 33%, rgba(140,160,191,.18) 33%, rgba(140,160,191,.18) 34%, transparent 34%),
    radial-gradient(circle at 0% 100%, transparent 33%, rgba(140,160,191,.18) 33%, rgba(140,160,191,.18) 34%, transparent 34%),
    radial-gradient(circle at 100% 100%, transparent 33%, rgba(140,160,191,.18) 33%, rgba(140,160,191,.18) 34%, transparent 34%);
  background-size: 56px 28px;
}

.text-gradient-gold {
  background: linear-gradient(100deg, #E2B65A 0%, #C8922A 60%, #9c6f1d 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: .55rem; font-weight: 600; border-radius: 14px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), background-color .35s var(--ease), color .25s var(--ease); will-change: transform; }
.btn:focus-visible { outline: 2px solid #C8922A; outline-offset: 3px; }
.btn-gold { background: linear-gradient(180deg, #E2B65A, #C8922A); color: #1B1505; box-shadow: var(--shadow-gold); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(200,146,42,.55); }
.btn-gold:active { transform: translateY(0) scale(.985); }
.btn-ghost { border: 1px solid rgba(140,160,191,.45); color: #1E2D5A; }
.btn-ghost:hover { transform: translateY(-2px); border-color: #1E2D5A; background: rgba(30,45,90,.04); }
html.dark .btn-ghost { color: #EBF0FA; border-color: rgba(235,240,250,.28); }
html.dark .btn-ghost:hover { background: rgba(235,240,250,.07); border-color: rgba(235,240,250,.6); }
.btn-ghost.on-dark { color: #EBF0FA; border-color: rgba(235,240,250,.28); }
.btn-ghost.on-dark:hover { background: rgba(235,240,250,.07); border-color: rgba(235,240,250,.6); }

/* ---- App store badge (always on dark bands) ---- */
.badge { display: inline-flex; align-items: center; gap: .7rem; padding: .7rem 1.15rem; border-radius: 14px; border: 1px solid rgba(235,240,250,.18); background: rgba(255,255,255,.04); color: #F8F9FF; transition: transform .35s var(--ease), border-color .35s var(--ease), background-color .35s var(--ease); backdrop-filter: blur(6px); }
.badge:hover { transform: translateY(-2px); border-color: rgba(226,182,90,.6); background: rgba(255,255,255,.07); }
.badge:focus-visible { outline: 2px solid #C8922A; outline-offset: 3px; }
.badge small { display: block; font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; color: #8CA0BF; line-height: 1; }
.badge strong { display: block; font-weight: 700; font-size: 1.02rem; line-height: 1.15; }

/* ---- Reveal animation ---- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---- Hero entrance ---- */
@keyframes riseIn { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
.rise { opacity: 0; animation: riseIn 1s var(--ease) forwards; }

@keyframes floaty { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-14px) rotate(.6deg); } }
.floaty { animation: floaty 7s ease-in-out infinite; }
@keyframes floaty2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(10px); } }
.floaty2 { animation: floaty2 6s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .rise { animation: none !important; opacity: 1 !important; transform: none !important; transition: none !important; }
  .floaty, .floaty2 { animation: none !important; }
}

/* ---- Phone mockup ---- */
.phone { width: 286px; border-radius: 46px; padding: 13px; background: linear-gradient(160deg, #2A3A6B 0%, #16213F 60%, #0C1330 100%); box-shadow: var(--shadow-float); position: relative; }
.phone::before { content: ""; position: absolute; top: 24px; left: 50%; transform: translateX(-50%); width: 112px; height: 26px; background: #0C1330; border-radius: 0 0 18px 18px; z-index: 5; }
.phone-screen { border-radius: 34px; background: #F8F9FF; overflow: hidden; position: relative; height: 580px; }

.kanji-watermark { font-family: 'Shippori Mincho', serif; }

.link-underline { position: relative; }
.link-underline::after { content: ""; position: absolute; left: 0; bottom: -3px; width: 0; height: 1.5px; background: #C8922A; transition: width .35s var(--ease); }
.link-underline:hover::after, .link-underline:focus-visible::after { width: 100%; }

/* ---- Nav: transparent-over-hero (index) ---- */
#nav.nav-transparent { color: #1E2D5A; }
#nav.nav-transparent.nav-scrolled { color: #1E2D5A; background: rgba(248,249,255,.82); backdrop-filter: blur(14px); border-color: rgba(140,160,191,.25) !important; box-shadow: 0 6px 24px -16px rgba(30,45,90,.4); }
html.dark #nav.nav-transparent.nav-scrolled { color: #EBF0FA; background: rgba(12,19,48,.82); border-color: rgba(235,240,250,.12) !important; box-shadow: 0 6px 24px -16px rgba(0,0,0,.5); }

/* ---- Nav: solid themed (legal pages) ---- */
#nav.nav-solid { color: #1E2D5A; background: rgba(248,249,255,.86); backdrop-filter: blur(14px); border-color: rgba(140,160,191,.25) !important; }
html.dark #nav.nav-solid { color: #EBF0FA; background: rgba(12,19,48,.86); border-color: rgba(235,240,250,.12) !important; }

/* ---- Header control buttons (theme + lang) inherit nav currentColor ---- */
.nav-icon-btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 9999px; transition: background-color .3s var(--ease), transform .3s var(--ease); color: inherit; }
.nav-icon-btn:hover { background: rgba(140,160,191,.16); }
.nav-icon-btn:focus-visible { outline: 2px solid #C8922A; outline-offset: 2px; }

/* ---- Language dropdown ---- */
.lang-menu { box-shadow: var(--shadow-card); }
.lang-opt[aria-current="true"] { color: #C8922A; font-weight: 700; }

/* ---- Legal prose ---- */
.legal-prose h2 { font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.5rem; letter-spacing: -0.02em; margin: 2.2rem 0 .75rem; }
.legal-prose h3 { font-weight: 700; font-size: 1.05rem; margin: 1.6rem 0 .5rem; }
.legal-prose p, .legal-prose li { line-height: 1.8; margin-bottom: 1rem; text-align: justify; hyphens: auto; }
.legal-prose ul { list-style: disc; padding-left: 1.4rem; margin-bottom: 1rem; }
.legal-prose a { color: #C8922A; text-decoration: underline; text-underline-offset: 3px; }