/* KaixinVPN — style.css */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --color-bg: #f7f4ee;
  --color-bg-soft: #fff9f5;
  --color-surface: #ffffff;
  --color-text: #22252b;
  --color-text-strong: #10182c;
  --color-text-muted: #66728f;
  --color-primary: #f26b4d;
  --color-primary-strong: #ed573c;
  --color-primary-soft: #ffe4d8;
  --color-apricot: #ffd2c2;
  --color-success: #37a77a;
  --color-border: #e9e4de;
  --color-divider: #eeeae5;
  --shadow-card: 0 14px 40px rgba(34,37,43,.06);
  --shadow-card-hover: 0 18px 52px rgba(34,37,43,.10);
  --shadow-primary: 0 12px 28px rgba(242,107,77,.24);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-pill: 999px;
  --gradient-primary: linear-gradient(135deg,#f26b4d 0%,#ff8064 100%);
  --gradient-cta: linear-gradient(110deg,#fff1ea 0%,#ffd7c7 55%,#ffc5b1 100%);
  --container: 1320px;
  --header-h: 80px;
  --transition: 180ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;overflow-x:hidden;max-width:100%;}
body{font-family:'Inter',ui-sans-serif,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg);}
img{max-width:100%;height:auto;display:block;}
a{color:var(--color-primary);text-decoration:none;}
a:hover{text-decoration:underline;}
ul{list-style:none;padding:0;margin:0;}
h1,h2,h3,h4{margin-top:0;line-height:1.15;color:var(--color-text-strong);}
p{margin:0 0 16px;}
.container{width:min(100% - 48px,var(--container));margin-inline:auto;}

/* ─── HEADER ─── */
.site-header{position:sticky;top:0;z-index:1000;background:var(--color-surface);border-bottom:1px solid var(--color-border);}
.nav{max-width:var(--container);margin:0 auto;display:flex;align-items:center;padding:0 24px;height:var(--header-h);gap:24px;}
.brand{display:flex;align-items:center;flex-shrink:0;}
.logo{height:auto;max-height:44px;width:auto;max-width:160px;object-fit:contain;flex-shrink:0;display:block;}

.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-links>li>a{color:var(--color-text);font-size:15px;font-weight:500;padding:8px 14px;border-radius:var(--radius-sm);transition:color var(--transition),background var(--transition);white-space:nowrap;}
.nav-links>li>a:hover{color:var(--color-primary);background:var(--color-primary-soft);text-decoration:none;}

.nav-right{display:flex;align-items:center;gap:16px;flex-shrink:0;margin-left:auto;}
.mobile-lang{display:none;}

/* ─── DROPDOWN ─── */
.dropdown{position:relative;}
.dropdown-panel{position:absolute;top:100%;right:0;margin-top:0;padding-top:8px;display:none;min-width:160px;z-index:1000;}
.dropdown-panel-inner{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:0 8px 32px rgba(34,37,43,.12);}
.dropdown:hover .dropdown-panel,.dropdown:focus-within .dropdown-panel{display:block;}
.dropdown-panel a{display:block;padding:10px 16px;color:var(--color-text);font-size:14px;transition:background var(--transition);white-space:nowrap;}
.dropdown-panel a:hover{background:var(--color-bg-soft);text-decoration:none;}

.lang-btn{background:none;border:1px solid var(--color-border);color:var(--color-text);padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;gap:6px;font-size:14px;font-weight:500;white-space:nowrap;transition:border-color var(--transition),color var(--transition);}
.lang-btn:hover{border-color:var(--color-primary);color:var(--color-primary);}

/* ─── MOBILE TOGGLE ─── */
.nav-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--color-text);padding:4px 8px;order:99;}

/* ─── CTA BUTTONS ─── */
.btn-cta{display:inline-block;padding:0 26px;height:52px;line-height:52px;border-radius:var(--radius-md);background:var(--gradient-primary);color:#fff;font-weight:700;font-size:15px;white-space:nowrap;transition:transform var(--transition),box-shadow var(--transition);box-shadow:var(--shadow-primary);text-align:center;}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(242,107,77,.32);text-decoration:none;color:#fff;}
.btn-lg{padding:0 36px;height:58px;line-height:58px;font-size:17px;}

/* ─── EYEBROW ─── */
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--color-primary);margin-bottom:16px;}

/* ─── HERO ─── */
.hero{background:var(--color-bg);padding:96px 0;}
.hero-inner{width:min(100% - 48px,var(--container));margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;}
.hero-copy h1{font-size:clamp(36px,5vw,64px);font-weight:800;line-height:1.02;color:var(--color-text-strong);margin-bottom:20px;}
.hero-sub{font-size:18px;color:var(--color-text-muted);line-height:1.65;max-width:520px;margin-bottom:32px;}
.hero-cta{margin-top:8px;}
.hero-img{border-radius:var(--radius-xl);overflow:hidden;aspect-ratio:4/3;}
.hero-img img{width:100%;height:100%;object-fit:cover;}

/* ─── TRUST STRIP ─── */
.trust-strip{background:var(--color-surface);border-top:1px solid var(--color-divider);border-bottom:1px solid var(--color-divider);padding:32px 0;}
.trust-strip .container{display:flex;justify-content:center;gap:64px;flex-wrap:wrap;}
.trust-item{display:flex;flex-direction:column;align-items:center;text-align:center;}
.trust-item strong{font-size:28px;font-weight:800;color:var(--color-primary);line-height:1;}
.trust-item span{font-size:13px;color:var(--color-text-muted);margin-top:6px;font-weight:500;}

/* ─── SECTIONS ─── */
section{padding:96px 0;}
.bg-soft{background:var(--color-bg-soft);}
.section-head{text-align:center;margin-bottom:56px;}
.section-head h2{font-size:clamp(28px,4vw,40px);font-weight:800;color:var(--color-text-strong);margin-bottom:12px;}
.section-sub{font-size:17px;color:var(--color-text-muted);max-width:620px;margin:0 auto;}

/* ─── FEATURE GRID ─── */
.features{background:var(--color-bg);}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.feature-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:32px;transition:box-shadow var(--transition),transform var(--transition);}
.feature-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px);}
.icon-well{width:64px;height:64px;border-radius:var(--radius-md);background:var(--color-primary-soft);display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
.icon-well i{font-size:24px;color:var(--color-primary);}
.feature-card h3{font-size:19px;font-weight:700;color:var(--color-text-strong);margin-bottom:10px;}
.feature-card p{font-size:15px;color:var(--color-text-muted);line-height:1.65;margin:0;}

/* ─── STEPS ─── */
.steps{background:var(--color-bg-soft);}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;}
.step{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:32px;position:relative;}
.step-num{width:48px;height:48px;border-radius:var(--radius-pill);background:var(--gradient-primary);color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
.step h3{font-size:18px;font-weight:700;color:var(--color-text-strong);margin-bottom:10px;}
.step p{font-size:15px;color:var(--color-text-muted);line-height:1.65;margin:0;}

/* ─── SPLIT ROW ─── */
.split-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.split-text h2{font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--color-text-strong);margin-bottom:20px;}
.split-text p{font-size:16px;color:var(--color-text-muted);line-height:1.7;margin-bottom:16px;}
.split-img{border-radius:var(--radius-xl);overflow:hidden;}
.split-img img{width:100%;height:100%;object-fit:cover;}

/* ─── PRICING ─── */
.pricing{background:var(--color-bg);}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1000px;margin:0 auto;}
.pricing-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:32px;position:relative;}
.pricing-card.popular{border-color:var(--color-primary);background:linear-gradient(135deg,#fff5f2 0%,#fff 100%);}
.popular-badge{display:inline-block;background:var(--gradient-primary);color:#fff;font-size:11px;font-weight:700;padding:3px 12px;border-radius:var(--radius-pill);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px;}
.pricing-card h3{font-size:20px;font-weight:700;color:var(--color-text-strong);margin-bottom:8px;}
.price{font-size:36px;font-weight:800;color:var(--color-primary);line-height:1;margin-bottom:20px;}
.price span{font-size:16px;font-weight:500;color:var(--color-text-muted);}
.pricing-features{margin:0 0 24px;display:flex;flex-direction:column;gap:10px;}
.pricing-features li{font-size:14px;color:var(--color-text);display:flex;align-items:center;gap:8px;}
.pricing-features li::before{content:'\2713';color:var(--color-success);font-weight:700;flex-shrink:0;}
.pricing-cta{display:block;width:100%;padding:14px;border-radius:var(--radius-md);font-size:15px;font-weight:700;cursor:pointer;text-align:center;transition:all var(--transition);background:var(--gradient-primary);color:#fff;border:none;box-shadow:var(--shadow-primary);}
.pricing-cta:hover{transform:translateY(-2px);text-decoration:none;color:#fff;}

/* ─── FAQ ─── */
.faq{background:var(--color-bg-soft);}
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--color-text-strong);gap:12px;}
.faq-q i{color:var(--color-primary);flex-shrink:0;transition:transform var(--transition);}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{display:none;padding:0 24px 20px;font-size:15px;color:var(--color-text-muted);line-height:1.7;}
.faq-item.open .faq-a{display:block;}

/* ─── CTA BANNER ─── */
.cta-banner{background:var(--gradient-cta);border-radius:var(--radius-xl);margin:0 24px 96px;text-align:center;padding:80px 48px;}
.cta-banner h2{font-size:clamp(24px,4vw,38px);font-weight:800;color:var(--color-text-strong);margin-bottom:16px;}
.cta-banner p{font-size:17px;color:var(--color-text-muted);max-width:560px;margin:0 auto 32px;}
.cta-wrap{display:flex;justify-content:center;}

/* ─── PAGE HERO ─── */
.page-hero{background:var(--color-surface);padding:80px 0 64px;border-bottom:1px solid var(--color-divider);text-align:center;}
.page-hero h1{font-size:clamp(28px,5vw,52px);font-weight:800;color:var(--color-text-strong);margin-bottom:16px;}
.page-hero p{font-size:18px;color:var(--color-text-muted);max-width:600px;margin:0 auto;}

/* ─── NETWORK STATUS ─── */
.network-status{padding:24px 0;background:var(--color-surface);border-bottom:1px solid var(--color-divider);}
.status-strip{display:flex;align-items:center;gap:40px;flex-wrap:wrap;}
.status-chip{display:inline-flex;align-items:center;gap:8px;background:var(--color-success-soft,#e7f7ef);color:#1d7a52;padding:6px 14px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;}

/* ─── DOWNLOAD ─── */
.download-main{background:var(--color-bg);}
.platform-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;}
.platform-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;transition:box-shadow var(--transition),transform var(--transition);display:flex;flex-direction:column;align-items:center;gap:10px;}
.platform-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px);}
.platform-card i{font-size:40px;color:var(--color-primary);}
.platform-card span{font-size:16px;font-weight:700;color:var(--color-text-strong);}
.platform-card small{font-size:12px;color:var(--color-text-muted);}
.platform-card .btn-cta{margin-top:8px;height:40px;line-height:40px;padding:0 20px;font-size:14px;}

/* ─── PROSE ─── */
.prose-section{padding:80px 0;}
.prose{max-width:800px;margin:0 auto;font-size:16px;line-height:1.8;}
.prose h2{font-size:22px;font-weight:700;color:var(--color-text-strong);margin-top:48px;margin-bottom:16px;}
.prose p{margin-bottom:20px;color:var(--color-text-muted);}

/* ─── FOOTER ─── */
.site-footer{background:var(--color-surface);border-top:1px solid var(--color-divider);padding:80px 0 0;}
.footer-inner{max-width:var(--container);margin:0 auto;padding:0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:64px;}
.footer-brand .logo-footer{height:40px;width:auto;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--color-text-muted);line-height:1.7;max-width:280px;}
.footer-col h4{color:var(--color-text-strong);font-size:13px;font-weight:700;margin-bottom:16px;text-transform:uppercase;letter-spacing:.05em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--color-text-muted);font-size:14px;transition:color var(--transition);}
.footer-col ul li a:hover{color:var(--color-primary);text-decoration:none;}
.footer-bottom{border-top:1px solid var(--color-divider);padding:24px 0;margin-top:0;}
.footer-bottom p{font-size:13px;color:var(--color-text-muted);margin:0;text-align:center;}

/* ─── MOBILE ─── */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-img{display:none;}
  .hero-copy{align-items:center;text-align:center;}
  .hero-sub{margin-left:auto;margin-right:auto;}
  .split-row{grid-template-columns:1fr;}
  .split-img{display:none;}
  .pricing-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media(max-width:768px){
  .nav{padding:0 8px;height:64px;}
  .nav-links{
    display:none;
    position:absolute;top:100%;
    left:0;right:0;
    flex-direction:column;align-items:center;
    height:auto;max-height:none;overflow:visible;
    background:var(--color-surface);
    box-shadow:0 8px 16px rgba(34,37,43,.12);
    padding:12px 0;z-index:999;
    border-bottom:1px solid var(--color-border);
  }
  .nav-links.open{display:flex;}
  .nav-links>li{width:100%;text-align:center;}
  .nav-links>li>a{display:block;width:100%;padding:14px 0;font-size:17px;color:var(--color-text);}
  .nav-right{display:none;}
  .nav-toggle{display:block;margin-left:auto;padding:4px 4px;}

  .mobile-lang{
    display:flex;justify-content:center;gap:16px;
    padding:14px 0;border-top:1px solid var(--color-divider);width:100%;
  }
  .nav-links li.mobile-lang a{
    display:inline-block;width:auto;padding:4px 12px;font-size:15px;
    line-height:24px;white-space:nowrap;color:var(--color-text-muted);
  }
  .nav-links li.mobile-lang a.active{color:var(--color-primary);font-weight:700;}

  .trust-strip .container{gap:24px;}
  .trust-item strong{font-size:22px;}

  .btn-cta,.hero-cta .btn-cta,.btn-lg{
    display:block;margin-left:auto;margin-right:auto;
    text-align:center;width:max-content;max-width:90%;
  }
  .hero-cta{display:flex;justify-content:center;}
  .cta-wrap{justify-content:center;}

  .cta-banner{margin:0 0 64px;border-radius:var(--radius-lg);padding:56px 24px;}
  .footer-grid{grid-template-columns:1fr;}
}

@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr;}
  .pricing-grid{grid-template-columns:1fr;}
}