/* Self-hosted Google Fonts (Fraunces, Manrope; SIL OFL), latin + latin-ext */
@font-face { font-family: 'Fraunces'; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/assets/fonts/fraunces-latin-ext-v38.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Fraunces'; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/assets/fonts/fraunces-latin-v38.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 400 800; font-display: swap; src: url(/assets/fonts/manrope-latin-ext-v20.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 400 800; font-display: swap; src: url(/assets/fonts/manrope-latin-v20.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* ===== Tokens ===== */
:root {
  --ink: #071320;
  --ink-2: #0c1f33;
  --ink-3: #13304c;
  --porcelain: #f7f4ee;
  --paper: #ffffff;
  --text: #13233a;
  --muted: #5a6b80;
  --muted-light: #a9bacd;
  --aqua: #4cc9ff;
  --aqua-2: #8adcff;
  --sky: #6fb8ff;
  --gold: #e8c98f;
  --grad: linear-gradient(120deg, #6ee0ff 0%, #2f7bff 55%, #8a8dff 100%);
  --radius: 22px;
  --shadow: 0 20px 50px -20px rgba(7, 19, 32, .25);
  --font: "Manrope", "PingFang TC", "PingFang SC", "Microsoft JhengHei", "Microsoft YaHei", "Noto Sans CJK TC", system-ui, sans-serif;
  --display: "Fraunces", "Songti TC", "Songti SC", "Noto Serif CJK TC", Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--porcelain);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[lang^="zh"] body { letter-spacing: .02em; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; line-height: 1.15; }
p { margin: 0; }

.container { width: min(1180px, 100% - 32px); margin-inline: auto; }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--paper); color: var(--ink); padding: 10px 16px; border-radius: 10px;
}
.skip:focus { top: 12px; }

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--block { width: 100%; }
.btn--glow {
  background: var(--grad); color: var(--ink);
  box-shadow: 0 10px 30px -8px rgba(76, 201, 255, .6);
  background-size: 160% 100%;
}
.btn--glow:hover { background-position: 100% 0; box-shadow: 0 14px 40px -8px rgba(47, 123, 255, .7); }
.btn--ghost { border-color: rgba(255,255,255,.28); color: #fff; background: rgba(255,255,255,.04); backdrop-filter: blur(6px); }
.btn--ghost:hover { background: rgba(255,255,255,.12); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { box-shadow: 0 14px 30px -10px rgba(7,19,32,.6); }

/* ===== Header ===== */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s ease, box-shadow .3s ease, padding .3s ease;
  padding: 16px 0;
}
.header.is-scrolled {
  background: rgba(7, 19, 32, .78);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 10px 30px -15px rgba(0,0,0,.5);
  padding: 10px 0;
}
.header__inner { display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; flex-shrink: 0; }
.brand__mark { width: 40px; height: 40px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__text strong { font-size: 19px; letter-spacing: .18em; font-weight: 800; }
.brand__text small { font-size: 9.5px; letter-spacing: .16em; color: var(--muted-light); font-weight: 600; }

.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  color: rgba(255,255,255,.82); font-weight: 600; font-size: 14.5px;
  padding: 8px 10px; border-radius: 999px; transition: background .2s, color .2s; white-space: nowrap;
}
.nav a:hover { color: #fff; background: rgba(255,255,255,.08); }

.header__tools { display: flex; align-items: center; gap: 12px; }
.lang {
  display: flex; padding: 3px; border-radius: 999px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
}
.lang a {
  font-size: 13px; font-weight: 700; color: rgba(255,255,255,.75); text-align: center;
  padding: 6px 11px; border-radius: 999px; min-width: 36px; transition: background .2s, color .2s;
}
.lang a:hover { color: #fff; }
.lang a[aria-current="true"] { background: #fff; color: var(--ink); }

.burger { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.06); cursor: pointer; padding: 0; position: relative; }
.burger span { position: absolute; left: 12px; right: 12px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s, opacity .3s; }
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 27px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(120% 90% at 80% 10%, #123a5c 0%, var(--ink) 55%);
  padding: 140px 0 0;
  min-height: 100vh; display: flex; flex-direction: column;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; animation: float 16s ease-in-out infinite; }
.blob--a { width: 520px; height: 520px; background: #1f7fe0; top: -160px; right: -120px; }
.blob--b { width: 420px; height: 420px; background: #2f6fd6; bottom: 40px; left: -160px; animation-delay: -5s; opacity: .45; }
.blob--c { width: 300px; height: 300px; background: #3fb7ff; top: 40%; right: 30%; animation-delay: -9s; opacity: .25; }
.grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%);
}
@keyframes float { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(30px,-30px) scale(1.08); } }

.hero__inner {
  position: relative; flex: 1;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
  padding-bottom: 60px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--aqua-2); padding: 8px 16px; border-radius: 999px;
  background: rgba(76,201,255,.08); border: 1px solid rgba(76,201,255,.25);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 0 rgba(76,201,255,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(76,201,255,0); } 100% { box-shadow: 0 0 0 0 rgba(76,201,255,0); } }

.hero__title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(46px, 7.4vw, 96px); letter-spacing: -.02em; line-height: 1.02;
  margin: 26px 0 22px;
}
html[lang^="zh"] .hero__title { font-size: clamp(40px, 6.2vw, 80px); line-height: 1.15; letter-spacing: .01em; }
.hero__title em {
  font-style: italic; padding-right: .12em; margin-right: -.06em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
html[lang^="zh"] .hero__title em { font-style: normal; }
.hero__lead { font-size: clamp(16px, 1.5vw, 19px); color: rgba(233,242,250,.8); max-width: 560px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero__tags { list-style: none; padding: 0; margin: 34px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero__tags li { font-size: 14px; color: rgba(233,242,250,.7); display: flex; align-items: center; gap: 8px; }
.hero__tags li::before { content: ""; width: 16px; height: 16px; border-radius: 50%; background: var(--aqua) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23071320' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }

.hero__art { position: relative; aspect-ratio: 1; width: min(100%, 520px); justify-self: center; perspective: 900px; }
.tooth {
  position: absolute; inset: 14%; width: 72%; height: 72%;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,.45));
  animation: bob 6s ease-in-out infinite;
  transition: transform .2s ease-out;
}

@keyframes bob { 0%,100% { translate: 0 0; } 50% { translate: 0 -14px; } }
@keyframes spark { 0%,100% { opacity: 0; transform: scale(.4); } 50% { opacity: 1; transform: scale(1); } }
.halo { position: absolute; inset: 18%; border-radius: 50%; background: radial-gradient(circle, rgba(138,220,255,.35), transparent 65%); filter: blur(10px); }
.orbit { position: absolute; border-radius: 50%; border: 1px dashed rgba(138,220,255,.35); }
.orbit--1 { inset: 4%; animation: spin 40s linear infinite; }
.orbit--2 { inset: 16%; border-style: solid; border-color: rgba(232,201,143,.25); animation: spin 26s linear infinite reverse; }
.orbit--1::after, .orbit--2::after { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; top: 50%; left: -6px; background: var(--aqua); box-shadow: 0 0 20px var(--aqua); }
.orbit--2::after { background: var(--gold); box-shadow: 0 0 20px var(--gold); left: auto; right: -6px; top: 20%; }
@keyframes spin { to { transform: rotate(360deg); } }

.chip {
  position: absolute; display: flex; align-items: center; gap: 10px;
  padding: 10px 16px 10px 10px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  font-size: 13.5px; font-weight: 700; white-space: nowrap;
  box-shadow: 0 12px 30px -12px rgba(0,0,0,.5);
  animation: bob 7s ease-in-out infinite;
}
.chip i { width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #fff, var(--c)); box-shadow: inset 0 -2px 4px rgba(0,0,0,.2); }
.chip--1 { top: 10%; left: -2%; }
.chip--2 { top: 22%; right: -4%; animation-delay: -2s; }
.chip--3 { bottom: 20%; left: -6%; animation-delay: -4s; }
.chip--4 { bottom: 8%; right: 4%; animation-delay: -1s; }

/* Marquee */
.marquee {
  position: relative; border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03); overflow: hidden; padding: 20px 0;
}
.marquee__track { display: flex; gap: 28px; width: max-content; animation: marquee 38s linear infinite; align-items: center; }
.marquee span { font-family: var(--display); font-size: 22px; font-weight: 600; color: rgba(255,255,255,.85); white-space: nowrap; }
.marquee b { color: var(--aqua); font-size: 14px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ===== Sections ===== */
.section { padding: clamp(80px, 11vw, 130px) 0; position: relative; }
.section--light { background: var(--porcelain); }
.section--dark { background: var(--ink); color: #fff; }
.section--gradient { background: linear-gradient(135deg, #e0f2ff 0%, #e6f0ff 50%, #fbf1dd 100%); }

.section__head { max-width: 720px; margin: 0 auto 60px; text-align: center; }
.section__head h2, .why__intro h2, .contact__info h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(32px, 4.4vw, 52px); letter-spacing: -.015em; margin: 14px 0 18px;
}
html[lang^="zh"] .section__head h2, html[lang^="zh"] .why__intro h2, html[lang^="zh"] .contact__info h2 { letter-spacing: .02em; line-height: 1.25; }
.section__head p:last-child { color: var(--muted); font-size: 17.5px; }
.section__head--light p:last-child { color: var(--muted-light); }
.kicker {
  display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section--light .kicker, .section--gradient .kicker { background: linear-gradient(90deg, #1a8fd6, #2f6fd6); -webkit-background-clip: text; background-clip: text; }










/* Materials */
#materials { overflow: hidden; }
#materials::before {
  content: ""; position: absolute; width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47,111,214,.35), transparent 65%);
  top: -200px; left: 50%; transform: translateX(-50%); pointer-events: none;
}







/* Process */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 34px; left: 8%; right: 8%; height: 2px;
  background: linear-gradient(90deg, transparent, #4cc9ff, #6fb8ff, #e8c98f, transparent);
}
.step { position: relative; text-align: center; padding: 0 8px; }
.step__num {
  display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 24px; border-radius: 50%;
  background: var(--ink); color: #fff; font-weight: 800; font-size: 20px; position: relative;
  box-shadow: 0 0 0 8px var(--porcelain), 0 0 0 9px rgba(47,123,255,.3);
}
.step h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 15px; }

/* Why */
.why { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.why__intro p:not(.kicker) { color: #3d5068; font-size: 17.5px; margin-bottom: 30px; }
.why__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feat {
  background: rgba(255,255,255,.7); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.9); border-radius: var(--radius); padding: 28px;
  box-shadow: 0 20px 40px -25px rgba(15,60,100,.35);
  transition: transform .3s;
}
.feat:hover { transform: translateY(-4px); }
.feat__icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--ink); margin-bottom: 18px; }
.feat__icon svg { width: 24px; height: 24px; fill: none; stroke: var(--aqua-2); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feat h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.feat p { color: var(--muted); font-size: 15px; }

/* Contact */
.contact { overflow: hidden; }
.contact__glow { position: absolute; width: 800px; height: 800px; right: -300px; bottom: -400px; border-radius: 50%; background: radial-gradient(circle, rgba(76,201,255,.25), transparent 60%); pointer-events: none; }
.contact__inner { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact__info > p:not(.kicker) { color: var(--muted-light); font-size: 17px; margin-bottom: 34px; }
.contact__line {
  display: flex; align-items: center; gap: 18px; padding: 18px 22px; margin-bottom: 14px; border-radius: 18px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  transition: background .25s, border-color .25s, transform .25s;
}
.contact__line:hover { background: rgba(255,255,255,.09); border-color: rgba(138,220,255,.4); transform: translateX(4px); }
.contact__ico { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--grad); flex: none; }
.contact__ico svg { width: 22px; height: 22px; fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.contact__line small { display: block; color: var(--muted-light); font-size: 13px; font-weight: 600; }
.contact__line strong { font-size: clamp(16px, 2vw, 20px); word-break: break-all; }

.form {
  background: var(--paper); color: var(--text); border-radius: 28px; padding: clamp(24px, 4vw, 40px);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.6);
  display: grid; gap: 16px;
}
.form h3 { font-family: var(--display); font-size: 28px; font-weight: 600; margin-bottom: 4px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 13.5px; font-weight: 700; color: #3d5068; }
.form input, .form textarea {
  font: inherit; font-size: 15.5px; font-weight: 500; color: var(--text);
  padding: 13px 15px; border-radius: 12px; border: 1.5px solid #dbe3ec; background: #f8fafc;
  transition: border-color .2s, box-shadow .2s, background .2s; width: 100%; resize: vertical;
}
.form input:focus, .form textarea:focus { outline: none; border-color: #2f7bff; background: #fff; box-shadow: 0 0 0 4px rgba(76,201,255,.2); }
.form__note { font-size: 13px; color: var(--muted); text-align: center; }
.form__error { font-size: 14px; color: #c0283e; text-align: center; font-weight: 600; }
.hp-field { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__choice { border: 0; margin: 0; padding: 0; min-width: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.form__choice legend { float: left; margin-right: 6px; padding: 0; font-size: 13.5px; font-weight: 700; color: #3d5068; }
.form .form__choice label { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 16px; border: 1.5px solid #dbe6f3; border-radius: 999px; background: #f6f9fd; cursor: pointer; }
.form .form__choice label:has(input:checked) { border-color: #2f7bff; background: #eaf3ff; color: #0b2a55; }
.form .form__choice input { width: 16px; height: 16px; margin: 0; padding: 0; accent-color: #2f7bff; }
.form__privacy { font-size: 13.5px; line-height: 1.55; color: #3d5068; background: #f3f8ff; border-left: 4px solid #2f7bff; border-radius: 8px; padding: 10px 14px; }
.form .form__check { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; font-weight: 600; color: #3d5068; cursor: pointer; }
.form .form__check input { width: 18px; height: 18px; margin: 2px 0 0; padding: 0; flex: none; accent-color: #2f7bff; }
.form__status { font-size: 15px; font-weight: 700; text-align: center; padding: 12px 14px; border-radius: 10px; }
.form__status--ok { color: #0d6b3a; background: #e8f7ee; }
.form__status--fail { color: #a3182f; background: #fdecef; }
@media (max-width: 560px) { .form__choice legend { float: none; width: 100%; margin: 0 0 2px; } }

/* Footer */
.footer { background: #040b14; color: var(--muted-light); padding: 44px 0; font-size: 14px; }
.footer__inner { display: grid; grid-template-columns: 1fr auto; gap: 16px 40px; align-items: center; }



.footer__copy { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.08); padding-top: 18px; font-size: 13px; }

/* ===== Multi-page ===== */
.nav a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.12); box-shadow: inset 0 -2px 0 var(--aqua); }

.page-hero {
  position: relative; overflow: hidden; color: #fff; text-align: center;
  background: radial-gradient(120% 120% at 70% 0%, #123a5c 0%, var(--ink) 60%);
  padding: 170px 0 100px;
}
.page-hero .container { position: relative; }
.page-hero h1 {
  font-family: var(--display); font-weight: 600; letter-spacing: -.015em;
  font-size: clamp(40px, 6vw, 76px); margin: 18px 0 18px;
  background: linear-gradient(120deg, #fff 30%, #cdeaff 60%, #f1d9a9 100%); -webkit-background-clip: text; background-clip: text; color: transparent;
}
html[lang^="zh"] .page-hero h1 { letter-spacing: .04em; }
.page-hero p { color: rgba(233,242,250,.78); font-size: clamp(16px, 1.6vw, 19px); max-width: 640px; margin-inline: auto; }
.crumbs { display: inline-flex; gap: 10px; font-size: 13.5px; font-weight: 600; color: var(--muted-light); }
.crumbs a:hover { color: var(--aqua-2); }
.crumbs span[aria-current] { color: var(--aqua-2); }

.more { display: flex; justify-content: center; margin-top: 44px; }

.card__more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 800; font-size: 14.5px; color: #1d5fd1; }
.card__more::after { content: "→"; transition: transform .25s; }













.ticks { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
.ticks li { position: relative; padding-left: 30px; font-weight: 600; font-size: 15px; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23071320' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat, linear-gradient(135deg, #4cc9ff, #6fb8ff);
}


























.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value { padding: 34px 30px; border-radius: var(--radius); background: linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.1); transition: transform .3s, border-color .3s; }
.value:hover { transform: translateY(-4px); border-color: rgba(138,220,255,.45); }
.value__n { font-family: var(--display); font-size: 44px; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.value h3 { font-size: 20px; font-weight: 800; margin: 18px 0 8px; }
.value p { color: var(--muted-light); font-size: 15.5px; }

/* CTA band */
.cta-band { position: relative; overflow: hidden; padding: 70px 0; background: var(--grad); }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 90% 0%, rgba(255,255,255,.5), transparent 70%); }
.cta-band__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { font-family: var(--display); font-weight: 600; font-size: clamp(28px, 3.4vw, 42px); color: var(--ink); }
.cta-band p { color: #13304c; font-size: 17px; margin-top: 8px; font-weight: 600; }
.cta-band__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band .btn--glow { background: var(--ink); color: #fff; box-shadow: 0 14px 30px -12px rgba(7,19,32,.6); }
.cta-band .btn--ghost { color: var(--ink); border-color: rgba(7,19,32,.35); background: rgba(255,255,255,.3); }
.cta-band .btn--ghost:hover { background: rgba(255,255,255,.55); }

/* Footer (multi-column) */
.footer { padding: 64px 0 36px; }
.footer__inner { grid-template-columns: 1.4fr 1fr 1fr; align-items: start; gap: 40px; }
.footer__brand p { margin-top: 16px; max-width: 320px; }
.footer__h { color: #fff; font-size: 13px; letter-spacing: .16em; text-transform: uppercase; margin: 0 0 16px; }
.footer__col { display: grid; gap: 10px; }
.footer__col a:hover, .footer__col a[aria-current] { color: var(--aqua-2); }
.footer__tel small { display: block; font-size: 12px; opacity: .7; }

/* ===== Reveal ===== */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
/* Header breakpoints are wider than the page's because Spanish nav labels are the longest;
   Spanish has no room for the header CTA (Contacto is already in the nav) */
html[lang="es"] .header__cta { display: none; }
@media (max-width: 1240px) {
  .header__cta { display: none; }
}
@media (max-width: 1140px) {
  .burger { display: block; }
  .nav {
    position: fixed; inset: 72px 16px auto 16px; flex-direction: column; gap: 4px;
    background: rgba(7,19,32,.96); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.1); border-radius: 20px; padding: 12px;
    opacity: 0; visibility: hidden; transform: translateY(-10px); transition: opacity .25s, transform .25s, visibility .25s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 14px 16px; font-size: 16px; }
  .header__tools { margin-left: auto; }
}
@media (max-width: 960px) {
  .hero { padding-top: 120px; min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; text-align: center; gap: 20px; }
  .hero__lead { margin-inline: auto; }
  .hero__actions, .hero__tags { justify-content: center; }
  .hero__art { width: min(100%, 420px); order: -1; }
  .eyebrow { margin-top: 0; }

  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .steps::before { display: none; }
  .why, .contact__inner { grid-template-columns: 1fr; gap: 44px; }
  .why__intro { text-align: center; }
  .page-hero { padding: 140px 0 80px; }





  .values { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .brand__text small { display: none; }
  .brand__text strong { font-size: 17px; }
  .lang a { padding: 6px 8px; min-width: 32px; }
  .cards, .materials, .why__grid, .form__row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .chip { font-size: 12px; padding: 7px 12px 7px 7px; }
  .chip i { width: 18px; height: 18px; }
  .chip--1 { left: 0; } .chip--3 { left: 0; } .chip--2 { right: 0; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__art { width: min(100%, 330px); }
  .ticks { grid-template-columns: 1fr; }
  .cta-band__actions, .cta-band__actions .btn { width: 100%; }

}

/* ===== Brochure-based layout (v3) ===== */
.brand__text small { max-width: 190px; }
html[lang^="zh"] .brand__text small { font-size: 11.5px; letter-spacing: .12em; }
.footer__tagline { color: var(--aqua-2); font-weight: 700; letter-spacing: .08em; margin: 14px 0 6px !important; }

/* Hero photo */
.hero__photo {
  position: absolute; inset: 13%; width: auto; height: auto; border-radius: 50%; overflow: hidden; filter: none;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 40px 80px -20px rgba(0,0,0,.7), 0 0 0 12px rgba(255,255,255,.04), 0 0 80px rgba(76,201,255,.35);
  animation: bob 7s ease-in-out infinite;
}
.hero__photo img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); }
.hero__photo::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: linear-gradient(160deg, rgba(255,255,255,.25), transparent 40%, rgba(7,19,32,.25)); }

/* Stats band */
.stats-band { background: var(--ink); color: #fff; border-top: 1px solid rgba(255,255,255,.08); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 44px 12px; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 30%; bottom: 30%; width: 1px; background: rgba(255,255,255,.12); }
.stat__n { display: block; white-space: nowrap; font-family: var(--display); font-weight: 700; font-size: clamp(34px, 4.6vw, 58px); line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__l { display: block; margin-top: 10px; color: var(--muted-light); font-weight: 600; font-size: 14.5px; }

/* Category cards with photos */
.cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cat {
  display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden; background: var(--paper);
  box-shadow: var(--shadow); border: 1px solid rgba(7,19,32,.06); transition: transform .35s, box-shadow .35s;
}
.cat:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -25px rgba(20,60,140,.4); }
.cat__img { aspect-ratio: 4 / 3; overflow: hidden; background: #0c1f33; }
.cat__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.cat:hover .cat__img img { transform: scale(1.07); }
.cat__body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.cat__body h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.cat__body p { color: var(--muted); font-size: 15px; flex: 1; }

/* Split block (text + visual) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split h2 { font-family: var(--display); font-weight: 600; font-size: clamp(30px, 3.8vw, 48px); margin: 14px 0 18px; }
.split p:not(.kicker) { color: var(--muted); font-size: 17px; margin-bottom: 16px; }
.section--dark .split p:not(.kicker) { color: var(--muted-light); }
.split__img { border-radius: 28px; overflow: hidden; box-shadow: 0 40px 80px -30px rgba(7,19,32,.5); aspect-ratio: 4 / 3; background: #0c1f33; }
.split__img img { width: 100%; height: 100%; object-fit: cover; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.tile { border-radius: 18px; overflow: hidden; aspect-ratio: 3 / 4; background: #fff; position: relative; box-shadow: var(--shadow); }
.tile img { width: 100%; height: 100%; object-fit: cover; }
.tile span { position: absolute; left: 10px; right: 10px; bottom: 10px; padding: 8px 10px; border-radius: 10px; font-size: 12.5px; font-weight: 700; color: #fff; background: rgba(7,19,32,.72); backdrop-filter: blur(6px); }
.tile:nth-child(2) { transform: translateY(28px); }

/* Product sections */
.prod { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; scroll-margin-top: 100px; }
.prod + .prod { margin-top: 110px; }
.prod:nth-of-type(even) .prod__text { order: 2; }
.prod__num { font-family: var(--display); color: var(--sky); font-weight: 700; letter-spacing: .12em; }
.prod h2 { font-family: var(--display); font-weight: 600; font-size: clamp(30px, 3.6vw, 46px); margin: 8px 0 16px; }
.prod__text > p { color: var(--muted); font-size: 16.5px; margin-bottom: 24px; }
.pills { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.pills li { padding: 9px 16px 9px 34px; border-radius: 999px; background: #fff; border: 1px solid rgba(47,123,255,.2); font-weight: 700; font-size: 14px; position: relative; box-shadow: 0 6px 16px -10px rgba(20,60,140,.4); }
.pills li::before { content: ""; position: absolute; left: 14px; top: 50%; width: 10px; height: 10px; margin-top: -5px; border-radius: 50%; background: var(--grad); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 170px; gap: 14px; }
.gallery figure { margin: 0; border-radius: 18px; overflow: hidden; background: #0c1f33; box-shadow: var(--shadow); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figure:first-child { grid-column: span 2; grid-row: span 2; }
.gallery--4 { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 210px; }
.gallery--4 figure:first-child { grid-column: auto; grid-row: auto; }










/* Product cards (products page + related products) */
.pcards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; margin-top: 44px; }
.pcards + .prod { margin-top: 110px; }
.pcard .cat__body { padding: 20px 20px 22px; }
.pcard .cat__body h3 { font-size: 17px; }
.pcard .cat__body p { font-size: 14.5px; }


.has-badge { position: relative; }
.r3d-badge { position: absolute; right: 10px; bottom: 10px; padding: 4px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700; letter-spacing: .04em; color: #dbeafe; background: rgba(7,19,32,.6); border: 1px solid rgba(138,220,255,.35); backdrop-filter: blur(6px); pointer-events: none; }

/* Product detail */
.page-hero--product { padding-bottom: 70px; }
.page-hero--product .crumbs { flex-wrap: wrap; justify-content: center; }
.pd { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.pd__main { aspect-ratio: 1; border-radius: 28px; overflow: hidden; background: #0c1f33; box-shadow: 0 40px 80px -30px rgba(7,19,32,.5); }
.pd__main img { width: 100%; height: 100%; object-fit: cover; }


.pd__thumbs { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.pd__thumb { width: 78px; height: 78px; padding: 0; border-radius: 14px; overflow: hidden; cursor: pointer; border: 2px solid transparent; background: #0c1f33; opacity: .7; transition: opacity .2s, border-color .2s; }
.pd__thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd__thumb[aria-pressed="true"], .pd__thumb:hover { opacity: 1; border-color: var(--sky); }
.pd__tag { display: inline-block; padding: 7px 14px; border-radius: 999px; background: #e3f3ff; color: #1d5fd1; font-weight: 800; font-size: 13px; letter-spacing: .04em; }
.pd__info h2 { font-family: var(--display); font-weight: 600; font-size: clamp(32px, 3.8vw, 48px); margin: 16px 0 16px; }
.pd__sum { color: var(--muted); font-size: 17.5px; margin-bottom: 30px; }
.pd__h { font-size: 12.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--sky); margin-bottom: 14px; }
html[lang^="zh"] .pd__h { font-size: 14px; letter-spacing: .1em; }
.pd .ticks { grid-template-columns: 1fr; margin-bottom: 28px; }
.pd__ind { padding: 20px 22px; border-radius: 18px; background: #fff; border: 1px solid rgba(47,123,255,.18); box-shadow: 0 10px 30px -20px rgba(20,60,140,.35); margin-bottom: 30px; }
.pd__ind .pd__h { margin-bottom: 8px; }
.pd__ind p { color: #26446b; font-weight: 600; }
.pd__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn--outline { border-color: rgba(7,19,32,.2); color: var(--ink); background: #fff; }
.btn--outline:hover { border-color: var(--sky); color: #1d5fd1; }
.pd__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 70px; }
.pd__nav a { padding: 20px 24px; border-radius: 18px; background: #fff; border: 1px solid rgba(7,19,32,.08); display: grid; gap: 4px; font-weight: 800; transition: border-color .2s, transform .2s; }
.pd__nav a:hover { border-color: var(--sky); transform: translateY(-2px); }
.pd__nav small { color: var(--muted); font-weight: 700; font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; }
.pd__nav small::before { content: "← "; }
.pd__next { text-align: right; }
.pd__next small::before { content: ""; }
.pd__next small::after { content: " →"; }
.pd__more { padding-top: 0; }
.pd__more .pcards { margin-top: 0; }

@media (max-width: 960px) {
  .pd { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 620px) {
  .pd__nav { grid-template-columns: 1fr; }
  .pd__next { text-align: left; }

}

/* Equipment cards */
.eq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.eq { border-radius: var(--radius); overflow: hidden; background: var(--paper); box-shadow: var(--shadow); border: 1px solid rgba(7,19,32,.06); transition: transform .35s; }
.eq:hover { transform: translateY(-5px); }
.eq__img { aspect-ratio: 16 / 10; background: #eef2f6; overflow: hidden; }
.eq__img img { width: 100%; height: 100%; object-fit: cover; }
.eq__body { padding: 24px; }
.eq__body h3 { font-size: 18.5px; font-weight: 800; margin-bottom: 8px; }
.eq__body p { color: var(--muted); font-size: 15px; }
.callout { margin-top: 56px; padding: 26px 30px; border-radius: 22px; background: rgba(255,255,255,.05); border: 1px solid rgba(138,220,255,.3); color: #dbeafe; font-size: 16.5px; display: flex; gap: 18px; align-items: center; }
.callout svg { width: 34px; height: 34px; flex: none; fill: none; stroke: var(--aqua-2); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.section--dark .step__num { background: var(--grad); color: var(--ink); box-shadow: 0 0 0 8px var(--ink), 0 0 0 9px rgba(76,201,255,.35); }
.section--dark .step p { color: var(--muted-light); }

/* Material blocks */
.matx { display: grid; grid-template-columns: 420px 1fr; gap: 50px; align-items: center; padding: 34px; border-radius: 30px; background: var(--paper); box-shadow: var(--shadow); border: 1px solid rgba(7,19,32,.06); }
.matx + .matx { margin-top: 30px; }
.matx:nth-child(even) { grid-template-columns: 1fr 420px; }
.matx:nth-child(even) .matx__img { order: 2; }
.matx__img { border-radius: 22px; overflow: hidden; aspect-ratio: 4 / 3; background: #0c1f33; }
.matx__img img { width: 100%; height: 100%; object-fit: cover; }
.matx h2 { font-family: var(--display); font-weight: 600; font-size: clamp(28px, 3vw, 40px); margin-bottom: 22px; }
.matx__pts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 22px; }
.matx__pts h3 { font-size: 16px; font-weight: 800; margin-bottom: 6px; color: var(--sky); }
.matx__pts p { color: var(--muted); font-size: 14.5px; }
.matx__use { padding: 14px 18px; border-radius: 14px; background: #f0f7ff; font-size: 14.5px; font-weight: 600; color: #26446b; }
.matx__use b { color: var(--sky); margin-right: 8px; }

/* About feature rows */
.about-pts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 80px; }

@media (max-width: 1080px) {
  .cats { grid-template-columns: repeat(2, 1fr); }
  .matx__pts { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3)::before { display: none; }
  .split, .prod { grid-template-columns: 1fr; gap: 36px; }
  .prod:nth-of-type(even) .prod__text { order: 0; }
  .eq-grid, .about-pts { grid-template-columns: repeat(2, 1fr); }
  .matx, .matx:nth-child(even) { grid-template-columns: 1fr; padding: 22px; gap: 26px; }
  .matx:nth-child(even) .matx__img { order: 0; }
}
@media (max-width: 620px) {
  .cats, .eq-grid, .about-pts { grid-template-columns: 1fr; }
  .gallery { grid-auto-rows: 110px; gap: 10px; }
  .gallery--4 { grid-auto-rows: 150px; }



  .tile:nth-child(2) { transform: none; }
  .tile span { font-size: 11px; }
  .stat { padding: 30px 8px; }
}

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

/* How it works / Send a Case */
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.flow__step { position: relative; background: #fff; border: 1px solid rgba(7,19,32,.08); border-radius: var(--radius); padding: 30px 28px 28px; box-shadow: var(--shadow); }
.flow__n { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--grad); color: #fff; font-weight: 800; font-size: 18px; margin-bottom: 18px; }
.flow__step h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.flow__step p { color: var(--muted); font-size: 15.5px; margin: 0; }
.more { gap: 12px; flex-wrap: wrap; }
.sc { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.sc__rx, .sc__inc { background: #fff; border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.sc h2 { font-family: var(--display); font-weight: 600; font-size: clamp(24px, 2.6vw, 32px); margin: 0 0 14px; }
.sc__rx p { color: var(--muted); font-size: 16px; margin-bottom: 22px; }
.sc__rx .sc__note { font-size: 13px; margin: 12px 0 0; }
.ticks--1 { grid-template-columns: 1fr; }
.sc__pick { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center; background: var(--ink); color: #fff; border-radius: var(--radius); padding: 30px 34px; box-shadow: var(--shadow); }
.sc__pick .feat__icon { margin: 0; background: rgba(255,255,255,.08); }
.sc__pick h2 { color: #fff; margin-bottom: 6px; }
.sc__pick p { color: var(--muted-light); margin: 0; font-size: 16px; }
.sc__pick-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.sc__pick .btn--outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
@media (max-width: 960px) { .flow, .sc, .sc__pick { grid-template-columns: 1fr; } }

/* Small phones: four language buttons + burger must still fit next to the logo */
@media (max-width: 380px) {
  .header__inner { gap: 8px; }
  .header__tools { gap: 8px; }
  .brand { gap: 8px; }
  .brand__text strong { font-size: 15px; letter-spacing: .1em; }
  .lang a { padding: 6px 3px; min-width: 26px; }
  .stat__n { font-size: 30px; }
}

/* Send a Case: the long phone and download buttons must not widen the grid on phones */
.sc > * { min-width: 0; }
@media (max-width: 620px) {
  .sc__pick-actions .btn, .sc__rx .btn { width: 100%; white-space: normal; text-align: center; }
}

/* ===== Legal (privacy policy) ===== */
.legal { max-width: 760px; }
.legal h2 { font-family: var(--display); font-weight: 600; font-size: clamp(21px, 2.2vw, 26px); margin: 36px 0 10px; }
.legal p { color: #3d5068; font-size: 16.5px; line-height: 1.7; margin: 0 0 12px; }
.legal__date { font-size: 14px !important; font-weight: 700; }
.footer__copy a { text-decoration: underline; text-underline-offset: 3px; }
.footer__copy a:hover, .footer__copy a[aria-current] { color: var(--aqua-2); }
.form__note a { text-decoration: underline; text-underline-offset: 2px; }