/*
Theme Name: Phyxera
Theme URI: http://phyxera.com/
Author: Phyxera
Description: Phyxera — Precision Rotating Transmission Solutions. Dark-blue bilingual (EN/中文) single-page theme. Images (hero, about, product photos & drawings) and contact details are managed from Appearance → Customize. Includes a working contact form.
Version: 2.0.0
License: GPL-2.0-or-later
Text Domain: phyxera
*/

:root{
  --navy-900:#060d22;
  --navy-800:#0a1430;
  --navy-700:#0e1c44;
  --navy-600:#13265c;
  --navy-500:#1b3478;
  --line:rgba(120,160,255,.14);
  --accent:#3b82f6;
  --accent-2:#38bdf8;
  --accent-grad:linear-gradient(135deg,#3b82f6 0%,#38bdf8 100%);
  --text:#eaf0ff;
  --text-soft:#9fb0d4;
  --text-dim:#6f80a8;
  --radius:16px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.6);
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'Inter','Noto Sans SC',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--navy-900);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
html[lang="zh"] body{font-family:'Noto Sans SC','Inter',system-ui,sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent-grad);border-radius:2px}
h1,h2,h3{line-height:1.18;font-weight:800;letter-spacing:-.02em}
.h2{font-size:clamp(28px,3.4vw,42px);margin-bottom:16px}
.lead{color:var(--text-soft);font-size:clamp(15px,1.5vw,18px);max-width:640px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;
  cursor:pointer;border:0;transition:.25s;white-space:nowrap;
}
.btn-primary{background:var(--accent-grad);color:#06122e;box-shadow:0 10px 30px -8px rgba(56,189,248,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -8px rgba(56,189,248,.65)}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(120,160,255,.3)}

/* ===== Header ===== */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:.3s;border-bottom:1px solid transparent;
}
header.scrolled{
  background:rgba(6,13,34,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:-.02em}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--accent-grad);
  display:grid;place-items:center;color:#06122e;font-weight:800;font-size:19px;
  box-shadow:0 6px 18px -4px rgba(56,189,248,.6);
}
.logo span{color:var(--accent-2)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;color:var(--text-soft);font-weight:500;transition:.2s;position:relative}
.nav-links a:hover{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:14px}
.lang-toggle{
  display:flex;background:rgba(255,255,255,.06);border:1px solid var(--line);
  border-radius:999px;overflow:hidden;font-size:13px;font-weight:600;
}
.lang-toggle button{background:none;border:0;color:var(--text-dim);padding:7px 13px;cursor:pointer;transition:.2s}
.lang-toggle button.active{background:var(--accent-grad);color:#06122e}
.menu-btn{display:none;background:none;border:0;color:var(--text);cursor:pointer}

/* ===== Hero ===== */
.hero{
  padding:160px 0 110px;position:relative;overflow:hidden;
  background:
    radial-gradient(900px 500px at 80% -10%,rgba(56,189,248,.16),transparent 60%),
    radial-gradient(700px 600px at 8% 20%,rgba(59,130,246,.18),transparent 55%),
    linear-gradient(180deg,var(--navy-800),var(--navy-900));
}
.hero-grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,160,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,160,255,.05) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(900px 500px at 70% 10%,#000,transparent 75%);}
.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,58px);margin-bottom:22px}
.hero h1 em{font-style:normal;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:clamp(16px,1.7vw,20px);margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:48px;flex-wrap:wrap}
.hero-stats .num{font-size:30px;font-weight:800;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .lab{font-size:13px;color:var(--text-dim);font-weight:500}
.hero-visual{position:relative;height:420px;display:grid;place-items:center}
.float-badge{
  position:absolute;right:6px;top:6px;z-index:3;
  display:flex;align-items:center;gap:10px;
  background:rgba(6,13,34,.9);border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow);
}
.float-badge .dot{width:9px;height:9px;border-radius:50%;background:#34d399;box-shadow:0 0 12px #34d399}
.rotor{width:100%;max-width:420px}
.rotor .spin{transform-origin:200px 200px;animation:spin 14s linear infinite}
.rotor .spin-rev{transform-origin:200px 200px;animation:spin 22s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.rotor .spin,.rotor .spin-rev{animation:none}}

/* ===== generic ===== */
.section-pad{padding:96px 0}
.center{text-align:center;margin:0 auto}
.center .lead{margin:0 auto}

/* ===== Trust ===== */
.trust{padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(10,20,48,.4)}
.trust-row{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.trust-row .t-lab{font-size:13px;color:var(--text-dim);letter-spacing:.1em;text-transform:uppercase;font-weight:600}
.trust-badges{display:flex;gap:34px;flex-wrap:wrap}
.trust-badges span{font-weight:700;color:var(--text-soft);font-size:16px;letter-spacing:.04em}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(160deg,var(--navy-600),var(--navy-800));aspect-ratio:4/3;box-shadow:var(--shadow);display:grid;place-items:center}
.feature-list{margin-top:26px;display:grid;gap:16px}
.feature-list li{display:flex;gap:14px;list-style:none}
.feature-list .ico{flex:none;width:38px;height:38px;border-radius:10px;background:rgba(56,189,248,.12);
  display:grid;place-items:center;color:var(--accent-2)}
.feature-list b{display:block;font-size:15px}
.feature-list p{color:var(--text-soft);font-size:14px}

/* ===== Products ===== */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px}
.prod-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(165deg,rgba(19,38,92,.45),rgba(10,20,48,.55));
  transition:.3s;position:relative;display:flex;flex-direction:column;
}
.prod-card:hover{transform:translateY(-6px);border-color:rgba(56,189,248,.4);box-shadow:var(--shadow)}
.prod-thumb{height:180px;position:relative;overflow:hidden;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--navy-600),var(--navy-800));border-bottom:1px solid var(--line)}
.prod-thumb svg{width:78%;height:78%}
.fill-img{width:100%;height:100%;object-fit:cover;display:block}
.prod-thumb .fill-img{position:absolute;inset:0}
.thumb-drawing{position:absolute;right:10px;bottom:10px;z-index:2;font-size:12px;font-weight:600;
  color:#06122e;background:var(--accent-grad);padding:5px 12px;border-radius:999px;
  box-shadow:0 6px 16px -4px rgba(56,189,248,.6)}
.hero-photo{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.16;mix-blend-mode:luminosity;pointer-events:none}
.form-status{border-radius:10px;padding:13px 16px;font-size:14px;font-weight:600;margin-bottom:18px}
.form-status.ok{background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.4);color:#86efac}
.form-status.err{background:rgba(248,113,113,.12);border:1px solid rgba(248,113,113,.4);color:#fca5a5}
.prod-body{padding:24px;display:flex;flex-direction:column;flex:1}
.prod-body h3{font-size:20px;margin-bottom:9px}
.prod-body>p{font-size:14px;color:var(--text-soft);margin-bottom:16px}
.spec-list{display:grid;gap:7px;margin-bottom:16px}
.spec-list div{display:flex;justify-content:space-between;font-size:13px;border-bottom:1px dashed var(--line);padding-bottom:6px}
.spec-list .k{color:var(--text-dim)}
.spec-list .v{color:var(--accent-2);font-weight:600}
.prod-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}
.prod-tags span{font-size:12px;color:var(--accent-2);background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.18);padding:4px 10px;border-radius:999px}
.prod-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;
  font-weight:600;color:var(--accent-2)}

/* ===== Capabilities ===== */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:46px}
.cap-card{padding:28px 24px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(10,20,48,.5);transition:.3s}
.cap-card:hover{border-color:rgba(56,189,248,.35);background:rgba(19,38,92,.45)}
.cap-card .ico{width:52px;height:52px;border-radius:14px;background:var(--accent-grad);
  display:grid;place-items:center;color:#06122e;margin-bottom:18px}
.cap-card h3{font-size:18px;margin-bottom:10px}
.cap-card p{font-size:14px;color:var(--text-soft)}

/* ===== Process ===== */
.process{background:
  radial-gradient(700px 400px at 90% 0,rgba(59,130,246,.12),transparent 60%),
  linear-gradient(180deg,var(--navy-900),var(--navy-800))}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:50px;position:relative}
.step{text-align:center;position:relative}
.step .n{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:20px;color:var(--accent-2);
  background:rgba(10,20,48,.8);border:1px solid rgba(56,189,248,.35)}
.step h4{font-size:16px;margin-bottom:7px}
.step p{font-size:13px;color:var(--text-soft)}
.steps::before{content:"";position:absolute;top:28px;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(56,189,248,.4),transparent);z-index:0}

/* ===== Quality ===== */
.qa-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.qa-list{display:grid;gap:18px;margin-top:24px}
.qa-item{display:flex;gap:14px;padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(10,20,48,.5)}
.qa-item .ico{flex:none;width:40px;height:40px;border-radius:10px;background:rgba(56,189,248,.12);
  display:grid;place-items:center;color:var(--accent-2)}
.qa-item b{font-size:15px}
.qa-item p{font-size:13.5px;color:var(--text-soft)}
.qa-visual{border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;
  background:linear-gradient(160deg,var(--navy-600),var(--navy-800));aspect-ratio:1/1;
  display:grid;place-items:center;box-shadow:var(--shadow)}

/* ===== Certs ===== */
.cert-row{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-top:40px}
.cert-chip{display:flex;align-items:center;gap:10px;padding:14px 22px;border:1px solid var(--line);
  border-radius:14px;background:rgba(10,20,48,.5);font-weight:700;color:var(--text-soft);font-size:15px}
.cert-chip svg{color:var(--accent-2)}

/* ===== CTA ===== */
.cta-banner{margin:0 auto;max-width:var(--maxw);}
.cta-inner{border-radius:24px;padding:56px;position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(135deg,var(--navy-500),var(--navy-700));border:1px solid rgba(56,189,248,.25)}
.cta-inner::after{content:"";position:absolute;inset:0;
  background:radial-gradient(500px 300px at 50% -40%,rgba(56,189,248,.3),transparent 70%)}
.cta-inner>*{position:relative;z-index:1}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-info{display:grid;gap:22px;margin-top:30px}
.ci-item{display:flex;gap:16px;align-items:flex-start}
.ci-item .ico{flex:none;width:46px;height:46px;border-radius:12px;background:rgba(56,189,248,.12);
  display:grid;place-items:center;color:var(--accent-2)}
.ci-item b{display:block;font-size:13px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em}
.ci-item p{font-size:16px;color:var(--text)}
.form{background:rgba(10,20,48,.6);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-soft);margin-bottom:7px;font-weight:500}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);
  background:rgba(6,13,34,.7);color:var(--text);font-family:inherit;font-size:15px;transition:.2s;}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--accent-2);
  box-shadow:0 0 0 3px rgba(56,189,248,.15)}
.field textarea{resize:vertical;min-height:110px}
.form .btn-primary{width:100%;justify-content:center;margin-top:6px}
.form-note{font-size:12.5px;color:var(--text-dim);margin-top:14px;text-align:center}

/* ===== Footer ===== */
footer{background:var(--navy-800);border-top:1px solid var(--line);padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-about p{color:var(--text-soft);font-size:14px;margin:16px 0;max-width:320px}
.foot-social{display:flex;gap:12px}
.foot-social a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-soft);transition:.2s}
.foot-social a:hover{color:#06122e;background:var(--accent-grad);border-color:transparent}
.foot-col h5{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:18px}
.foot-col a{display:block;color:var(--text-soft);font-size:14.5px;padding:6px 0;transition:.2s}
.foot-col a:hover{color:var(--accent-2)}
.foot-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;color:var(--text-dim);font-size:13.5px}

[data-anim]{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.3,1)}
[data-anim].in{opacity:1;transform:none}

@media(max-width:960px){
  .nav-links{display:none}
  .menu-btn{display:grid}
  .hero-inner,.about-grid,.qa-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:340px}
  .prod-grid{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;gap:30px}
  .steps::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
  .mobile-open{display:flex!important;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:rgba(6,13,34,.97);backdrop-filter:blur(14px);padding:20px 24px;gap:16px;
    border-bottom:1px solid var(--line)}
}
@media(max-width:560px){
  .cap-grid,.foot-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .cta-inner{padding:38px 22px}
  .hero{padding:130px 0 80px}
  .section-pad{padding:70px 0}
}