:root {
  --navy: #13264d;
  --rhino: #1b3b6a;
  --blue: #055989;
  --mid-blue: #6397b1;
  --light-blue: #b7c9e2;
  --yellow: #ffc015;
  --ink: #101a2f;
  --paper: #ffffff;
  --mist: #f4f7fb;
  --line: #dbe4ef;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Poppins, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { padding: 108px 0; }
.eyebrow { margin: 0 0 18px; color: var(--blue); font-size: .76rem; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.light { color: #dce9f5; }
h1, h2, h3 { font-family: Geologica, Poppins, "Segoe UI", "Microsoft YaHei", sans-serif; margin-top: 0; }
h1 { max-width: 830px; margin-bottom: 26px; font-size: clamp(3rem, 6.8vw, 6.6rem); line-height: .98; letter-spacing: -.055em; }
h2 { margin-bottom: 24px; font-size: clamp(2.2rem, 4.3vw, 4.5rem); line-height: 1.02; letter-spacing: -.045em; }
h3 { letter-spacing: -.025em; }
p { line-height: 1.75; }

.site-header { position: absolute; z-index: 20; top: 0; left: 0; display: flex; width: 100%; height: 92px; align-items: center; gap: 34px; padding: 0 max(28px, calc((100vw - 1320px) / 2)); border-bottom: 1px solid rgba(255,255,255,.17); color: white; }
.brand { width: 122px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.desktop-nav { display: flex; align-items: center; gap: 27px; margin-left: auto; }
.desktop-nav a { font-size: .84rem; font-weight: 550; opacity: .85; transition: .2s ease; }
.desktop-nav a:hover { opacity: 1; color: var(--yellow); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.language-switcher { display: flex; align-items: center; gap: 4px; padding: 4px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; }
.language-switcher a { padding: 6px 8px; border-radius: 999px; font-size: .7rem; font-weight: 700; opacity: .7; }
.language-switcher a.active { color: var(--navy); background: white; opacity: 1; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 14px 23px; border: 1px solid transparent; border-radius: 999px; font-size: .86rem; font-weight: 750; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 42px; padding: 10px 17px; font-size: .76rem; }
.button-yellow { color: var(--navy); background: var(--yellow); }
.button-yellow:hover { background: #ffd155; }
.button-ghost { color: white; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.06); backdrop-filter: blur(8px); }
.button-ghost:hover { color: var(--navy); background: white; }
.mobile-menu { display: none; position: relative; margin-left: auto; }
.mobile-menu summary { display: grid; width: 44px; height: 44px; place-content: center; gap: 5px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; list-style: none; cursor: pointer; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary span { display: block; width: 18px; height: 1px; background: white; }
.mobile-menu > div { position: absolute; top: 55px; right: 0; display: grid; width: 230px; overflow: hidden; border-radius: 18px; color: var(--navy); background: white; box-shadow: 0 18px 50px rgba(0,0,0,.2); }
.mobile-menu > div a { padding: 14px 18px; border-bottom: 1px solid var(--line); font-weight: 650; }

.hero { position: relative; display: flex; min-height: 850px; align-items: center; overflow: hidden; color: white; background: var(--navy); }
.hero-bg, .hero-overlay, .activity-bg, .activity-overlay { position: absolute; inset: 0; }
.hero-bg { background: url("/assets/images/hero.webp") center/cover no-repeat; }
.hero-overlay { background: linear-gradient(90deg, rgba(10,27,57,.97) 0%, rgba(10,31,65,.87) 34%, rgba(10,31,65,.35) 67%, rgba(10,31,65,.12) 100%); }
.hero-content { position: relative; z-index: 2; padding-top: 104px; }
.hero-copy { max-width: 650px; margin: 0 0 34px; color: #e6edf6; font-size: clamp(1rem, 1.5vw, 1.2rem); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 70px; color: #d5e0ed; font-size: .75rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.scroll-cue { position: absolute; z-index: 2; right: 34px; bottom: 28px; display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; }

.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 9vw; align-items: start; }
.lead { margin: 0; color: #42516a; font-size: 1.09rem; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 54px; border-top: 1px solid var(--line); }
.stat { padding: 25px 16px 0 0; }
.stat strong { display: block; color: var(--blue); font-size: 2.1rem; line-height: 1; }
.stat span { display: block; margin-top: 8px; color: #65738a; font-size: .75rem; line-height: 1.4; }
.image-band { position: relative; min-height: 480px; display: flex; align-items: flex-end; padding-bottom: 36px; color: white; background: linear-gradient(90deg, rgba(19,38,77,.12), rgba(19,38,77,.45)), url("/assets/images/community.webp") center/cover no-repeat; }
.band-copy { position: relative; z-index: 1; }
.band-copy p { display: inline-block; margin: 0; padding: 12px 18px; border-radius: 999px; background: rgba(19,38,77,.78); backdrop-filter: blur(9px); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }

.benefits { background: var(--mist); }
.section-heading { max-width: 760px; margin-bottom: 52px; }
.section-heading > p:last-child { max-width: 610px; margin: 0; color: #5e6c82; }
.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #ccd7e4; }
.benefit-card { min-height: 300px; padding: 28px 25px 12px 0; border-right: 1px solid #ccd7e4; }
.benefit-card + .benefit-card { padding-left: 25px; }
.benefit-card:last-child { border-right: 0; }
.benefit-card > span { color: var(--blue); font-size: .75rem; font-weight: 800; }
.benefit-card h3 { margin: 70px 0 18px; font-size: 1.25rem; }
.benefit-card p { margin: 0; color: #607087; font-size: .88rem; }

.pricing { background: var(--navy); color: white; }
.pricing .section-heading > p:last-child { color: #cfdae9; }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.price-card { display: flex; min-height: 365px; flex-direction: column; padding: 30px; border: 1px solid rgba(255,255,255,.18); border-radius: 16px; background: rgba(255,255,255,.055); }
.price-card.featured { border-color: var(--yellow); background: rgba(255,192,21,.085); }
.plan-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.plan-name { margin: 0 0 34px; color: #dce7f3; font-size: .75rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.plan-number { color: rgba(255,255,255,.36); font-family: Geologica, Poppins, sans-serif; font-size: .78rem; font-weight: 700; }
.plan-price { display: flex; min-height: 74px; flex-wrap: wrap; align-items: baseline; gap: 7px; }
.plan-price strong { font-family: Geologica, Poppins, sans-serif; font-size: 2.6rem; letter-spacing: -.04em; }
.plan-price span { color: #b9c9dc; font-size: .73rem; }
.plan-description { margin: 24px 0 32px; color: #ccd9e8; font-size: .86rem; }
.stripe-button { display: flex; min-height: 48px; align-items: center; justify-content: center; margin-top: auto; padding: 12px 18px; border-radius: 999px; color: var(--navy); background: white; font-size: .78rem; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.stripe-button:hover { transform: translateY(-2px); background: var(--yellow); }
.stripe-note { margin: 24px 0 0; color: #b9c9dc; font-size: .75rem; }
.stripe-note span { color: #79d49e; }

.network { background: white; }
.section-heading.horizontal { display: grid; max-width: none; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: end; }
.section-heading.horizontal p:last-child { margin-bottom: 14px; }
.logo-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.logo-card { display: flex; min-height: 132px; flex-direction: column; align-items: center; justify-content: center; padding: 15px 12px 11px; border: 1px solid var(--line); border-radius: 12px; background: white; transition: transform .2s ease, box-shadow .2s ease; }
.logo-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(19,38,77,.09); }
.logo-card img { width: 100%; height: 68px; object-fit: contain; mix-blend-mode: multiply; }
.logo-card span { margin-top: 9px; color: #7c8797; font-size: .62rem; text-align: center; }
.collaborator-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; margin: 90px 0 32px; padding-top: 35px; border-top: 1px solid var(--line); }
.collaborator-heading h3 { margin: 0; font-size: 2rem; }
.collaborator-heading p { max-width: 520px; margin: 0; color: #65738a; }

.activity { position: relative; overflow: hidden; color: white; background: var(--navy); }
.activity-bg { background: url("/assets/images/events.webp") center/cover no-repeat; }
.activity-overlay { background: linear-gradient(90deg, rgba(8,19,42,.96) 0%, rgba(12,30,61,.86) 55%, rgba(12,30,61,.5) 100%); }
.activity-content { position: relative; z-index: 2; }
.light-heading > p:last-child { color: #dce5f0; }
.activity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.activity-card { min-height: 280px; padding: 28px; border: 1px solid rgba(255,255,255,.18); border-radius: 15px; background: rgba(15,36,74,.68); backdrop-filter: blur(10px); }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: #6d7d93; font-size: .7rem; font-weight: 650; }
.post-meta span { color: var(--blue); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.post-meta time::before { content: "·"; margin-right: 10px; }
.activity-card .post-meta span { color: var(--yellow); }
.activity-card .post-meta { color: #cdd9e8; }
.activity-card h3 { margin: 58px 0 15px; font-size: 1.42rem; }
.activity-card p { margin: 0; color: #dce5f0; font-size: .9rem; }
.card-link { display: inline-block; margin-top: 22px; color: var(--yellow); font-size: .76rem; font-weight: 800; }
.news-button { margin-top: 36px; }

.blog-header { position: absolute; background: rgba(9,22,47,.34); }
.blog-masthead { padding: 210px 0 112px; color: white; background: radial-gradient(circle at 82% 15%, rgba(99,151,177,.45), transparent 34%), linear-gradient(125deg, #09162f, #163b69); }
.blog-masthead h1 { max-width: 900px; margin-bottom: 26px; font-size: clamp(3.2rem, 7vw, 6.8rem); }
.blog-masthead > .container > p:last-child { max-width: 720px; margin: 0; color: #dce5f0; font-size: 1.08rem; }
.blog-listing { background: var(--mist); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.blog-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: 0 18px 46px rgba(19,38,77,.06); }
.blog-card-image { display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--navy); }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.blog-card:hover .blog-card-image img { transform: scale(1.035); }
.blog-card-copy { padding: 28px; }
.blog-card h2 { margin: 22px 0 14px; font-size: 1.55rem; line-height: 1.16; letter-spacing: -.035em; }
.blog-card p { margin: 0 0 24px; color: #617088; font-size: .88rem; }
.article-header { padding: 190px 0 92px; color: white; background: linear-gradient(125deg, #09162f, #183f70); }
.article-heading { max-width: 950px; }
.article-back { display: inline-block; margin-bottom: 52px; color: #c8d7e7; font-size: .78rem; font-weight: 700; }
.article-header .post-meta { margin-bottom: 24px; color: #c8d7e7; }
.article-header .post-meta span { color: var(--yellow); }
.article-header h1 { margin-bottom: 28px; font-size: clamp(2.8rem, 6.2vw, 5.7rem); }
.article-header .article-heading > p:last-child { max-width: 760px; margin: 0; color: #dce5f0; font-size: 1.1rem; }
.article-image { width: min(1180px, calc(100% - 48px)); height: min(58vw, 620px); margin: 72px auto 0; overflow: hidden; border-radius: 20px; }
.article-image img { width: 100%; height: 100%; object-fit: cover; }
.article-body { max-width: 820px; padding-top: 72px; padding-bottom: 110px; }
.article-body > p { margin: 0 0 28px; color: #405068; font-size: 1.05rem; line-height: 1.9; }
.article-body > p:first-child::first-letter { float: left; margin: 10px 10px 0 0; color: var(--blue); font-family: Geologica, Poppins, sans-serif; font-size: 4.4rem; font-weight: 750; line-height: .72; }
.article-end { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 60px; padding-top: 28px; border-top: 1px solid var(--line); }
.article-end > span { color: var(--navy); font-weight: 800; letter-spacing: .14em; }

@media (min-width: 761px) {
  .price-card { position: relative; overflow: hidden; border-radius: 22px; background: linear-gradient(155deg, rgba(255,255,255,.1), rgba(255,255,255,.035)); box-shadow: 0 20px 45px rgba(2,11,29,.18); transition: transform .25s ease, border-color .25s ease, background .25s ease; }
  .price-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--mid-blue); }
  .price-card:nth-child(2)::before { background: #75b3d2; }
  .price-card:nth-child(3)::before { background: #9bb7df; }
  .price-card:nth-child(4)::before { background: #80cba3; }
  .price-card.featured::before { background: var(--yellow); }
  .price-card:hover { transform: translateY(-7px); border-color: rgba(255,255,255,.38); background: linear-gradient(155deg, rgba(255,255,255,.14), rgba(255,255,255,.055)); }
  .price-card.featured { transform: translateY(-10px); box-shadow: 0 27px 58px rgba(2,11,29,.28); }
  .price-card.featured:hover { transform: translateY(-14px); }
  .plan-number { display: grid; width: 34px; height: 34px; flex: 0 0 auto; place-items: center; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; }
}

.european { background: #edf4fa; }
.european-inner { display: grid; grid-template-columns: 1fr auto; gap: 80px; align-items: end; }
.european-inner > div { max-width: 790px; }
.european-inner p:last-child { max-width: 720px; margin-bottom: 0; color: #5e6c82; }
.text-link { padding-bottom: 8px; border-bottom: 2px solid var(--blue); color: var(--blue); font-size: .86rem; font-weight: 750; }

.contact { color: white; background: var(--blue); }
.contact-inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 9vw; align-items: center; }
.contact h2 { max-width: 720px; }
.contact p:last-child { max-width: 680px; color: #e2edf6; }
.contact-actions { display: flex; flex-direction: column; align-items: stretch; gap: 12px; }
.contact-email { padding-top: 18px; color: #e2edf6; font-size: .85rem; text-align: center; }
footer { padding: 30px 0; color: #cbd7e5; background: #09162f; }
.footer-inner { display: flex; align-items: center; gap: 24px; }
.footer-inner img { width: 90px; }
.footer-inner p { margin: 0; font-size: .72rem; }
.footer-inner > a { display: grid; width: 38px; height: 38px; margin-left: auto; place-items: center; border: 1px solid #52627d; border-radius: 50%; }

@media (max-width: 1050px) {
  .desktop-nav, .header-actions .button { display: none; }
  .header-actions { margin-left: auto; }
  .mobile-menu { display: block; margin-left: 0; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-card:nth-child(2) { border-right: 0; }
  .benefit-card:nth-child(3), .benefit-card:nth-child(4) { border-top: 1px solid #ccd7e4; }
  .logo-grid { grid-template-columns: repeat(5, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 30px, 620px); }
  .section { padding: 76px 0; }
  .site-header { height: 76px; padding: 0 15px; gap: 10px; }
  .brand { width: 98px; }
  .language-switcher a { padding: 5px 7px; font-size: .64rem; }
  .hero { min-height: 760px; }
  .hero-bg { background-position: 62% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(8,24,52,.96), rgba(8,28,58,.77)); }
  .hero-content { padding-top: 90px; }
  h1 { font-size: clamp(2.7rem, 13vw, 4.2rem); }
  h2 { font-size: clamp(2.1rem, 10vw, 3.2rem); }
  .hero-note { margin-top: 48px; line-height: 1.7; }
  .scroll-cue { display: none; }
  .split, .section-heading.horizontal, .contact-inner, .european-inner { grid-template-columns: 1fr; gap: 34px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 42px; border-top: 0; }
  .stat { display: flex; min-height: 132px; flex-direction: column; align-items: flex-start; justify-content: space-between; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: var(--mist); }
  .stat:nth-child(3) { grid-column: 1 / -1; min-height: 88px; flex-direction: row; align-items: center; justify-content: flex-start; gap: 18px; }
  .stat strong { font-size: 1.9rem; white-space: nowrap; }
  .stat span { margin-top: 10px; }
  .stat:nth-child(3) span { margin-top: 0; }
  .image-band { min-height: 390px; background-position: 45% center; }
  .benefit-grid, .activity-grid, .pricing-grid { grid-template-columns: 1fr; }
  .plan-number { display: none; }
  .benefit-card, .benefit-card + .benefit-card { min-height: 0; padding: 28px 0; border-right: 0; border-top: 1px solid #ccd7e4; }
  .benefit-card h3 { margin: 36px 0 12px; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-card { min-height: 120px; }
  .collaborator-heading { grid-template-columns: 1fr; gap: 12px; margin-top: 68px; }
  .activity-card { min-height: 250px; }
  .activity-card h3 { margin-top: 60px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-masthead { padding: 158px 0 82px; }
  .blog-masthead h1 { font-size: clamp(2.8rem, 14vw, 4.5rem); }
  .article-header { padding: 142px 0 70px; }
  .article-back { margin-bottom: 38px; }
  .article-image { width: calc(100% - 30px); height: 62vw; margin-top: 38px; border-radius: 14px; }
  .article-body { padding-top: 48px; padding-bottom: 76px; }
  .text-link { justify-self: start; }
  .footer-inner { flex-wrap: wrap; }
  .footer-inner p { max-width: 190px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}