/* ============================================================
   飛行種子英文 Global Seeds Academy — Official Site
   Palette drawn from the brand logo:
   brown ink / leaf green / seed gold / warm paper
   ============================================================ */
:root{
  --ink:      #4a3a28;   /* logo brown — primary text */
  --ink-soft: #7a6a55;
  --paper:    #fdfcf8;   /* warm white */
  --cream:    #f7f3ea;   /* alternate section bg */
  --mist:     #eae3d4;   /* hairline borders */
  --leaf:     #7aab3e;   /* logo green */
  --leaf-deep:#557f27;
  --gold:     #e2a136;   /* logo seed gold */
  --gold-soft:#f4e3c2;
  --white:    #ffffff;
  --radius:   14px;
  --shadow:   0 10px 40px rgba(74,58,40,.08);
  --font-display:"Noto Serif TC","Songti TC","LiSong Pro","PMingLiU",serif;
  --font-body:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Heiti TC",sans-serif;
  --font-en:"Cormorant Garamond","Noto Serif TC","Songti TC",serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.85;
  font-size:16.5px;
  letter-spacing:.02em;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:860px;margin:0 auto;padding:0 24px}

/* ---------- typography ---------- */
h1,h2,h3,.display{font-family:var(--font-display);font-weight:600;line-height:1.5}
.eyebrow{
  font-family:var(--font-en);
  font-size:15px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold);font-weight:600;
  display:flex;align-items:center;gap:14px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
.eyebrow.center{justify-content:center}
.eyebrow.center::after{content:"";width:34px;height:1px;background:var(--gold)}
.section-title{font-size:clamp(26px,3.4vw,36px);margin:14px 0 18px;color:var(--ink)}
.section-lede{color:var(--ink-soft);max-width:640px}
.center{text-align:center}
.center .section-lede{margin:0 auto}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(253,252,248,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--mist);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.nav-logo img{height:48px;width:auto}
.nav-links{display:flex;align-items:center;gap:24px;font-size:15px}
.nav-links a{position:relative;padding:6px 0;color:var(--ink)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--leaf);transition:width .25s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--leaf-deep);font-weight:500}
.btn{
  display:inline-block;padding:13px 30px;border-radius:999px;
  font-size:15.5px;font-weight:500;letter-spacing:.06em;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor:pointer;border:none;font-family:var(--font-body);
}
.btn-primary{background:var(--leaf);color:#fff;box-shadow:0 6px 18px rgba(122,171,62,.35)}
.btn-primary:hover{background:var(--leaf-deep);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 6px 18px rgba(226,161,54,.35)}
.btn-gold:hover{background:#c98a24;transform:translateY(-2px)}
.nav-cta{padding:10px 24px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.25s}

/* ---------- hero (home) ---------- */
.hero{position:relative;overflow:hidden}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:84px 0 96px;
}
.hero h1{font-size:clamp(32px,4.6vw,52px);line-height:1.45;margin:22px 0 20px}
.hero h1 em{font-style:normal;color:var(--leaf-deep);position:relative}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:var(--gold-soft);z-index:-1;border-radius:3px;
}
.hero-sub{color:var(--ink-soft);font-size:17.5px;max-width:480px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-note{margin-top:26px;font-size:14px;color:var(--ink-soft);display:flex;gap:22px;flex-wrap:wrap}
.hero-note span{display:flex;align-items:center;gap:7px}
.hero-note svg{flex:none}
.hero-figure{position:relative}
.hero-figure img{
  border-radius:var(--radius);box-shadow:var(--shadow);
  aspect-ratio:4/3.4;object-fit:cover;width:100%;
}
.hero-figure::before{
  content:"";position:absolute;inset:-18px -18px auto auto;width:58%;height:58%;
  border:1.5px solid var(--gold);border-radius:var(--radius);z-index:-1;
}
.seed-field{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.seed{position:absolute;opacity:.5;animation:drift 14s ease-in-out infinite}
.seed:nth-child(2){animation-delay:-5s;animation-duration:18s}
.seed:nth-child(3){animation-delay:-9s;animation-duration:16s}
@keyframes drift{
  0%,100%{transform:translate(0,0) rotate(0deg)}
  50%{transform:translate(14px,-22px) rotate(8deg)}
}

/* ---------- stat strip ---------- */
.strip{background:var(--ink);color:var(--paper)}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:38px 0;text-align:center}
.strip b{font-family:var(--font-display);font-size:26px;display:block;color:var(--gold)}
.strip small{font-size:14px;opacity:.85;letter-spacing:.05em}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section.alt{background:var(--cream)}
.section-head{margin-bottom:52px}

/* feature cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{
  background:var(--white);border:1px solid var(--mist);border-radius:var(--radius);
  padding:38px 32px;transition:transform .25s ease, box-shadow .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card-icon{
  width:54px;height:54px;border-radius:50%;
  background:var(--gold-soft);display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;
}
.card h3{font-size:20px;margin-bottom:12px}
.card p{color:var(--ink-soft);font-size:15.5px}

/* course rows */
.course-row{
  display:grid;grid-template-columns:96px 1fr;gap:28px;align-items:start;
  padding:34px 0;border-bottom:1px solid var(--mist);
}
.course-row:last-child{border-bottom:none}
.course-tag{
  font-family:var(--font-en);font-size:14px;letter-spacing:.14em;
  color:var(--leaf-deep);border:1px solid var(--leaf);
  border-radius:999px;padding:5px 0;text-align:center;font-weight:600;
}
.course-row h3{font-size:21px;margin-bottom:8px}
.course-row h3 span{font-family:var(--font-en);color:var(--gold);font-size:17px;margin-left:10px;letter-spacing:.04em}
.course-row p{color:var(--ink-soft);font-size:15.5px}

/* founder highlight */
.founder-band{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}
.founder-band img{border-radius:var(--radius);box-shadow:var(--shadow)}
.founder-figure{position:relative}
.founder-figure::after{
  content:"";position:absolute;inset:auto -16px -16px auto;width:52%;height:52%;
  border:1.5px solid var(--leaf);border-radius:var(--radius);z-index:-1;
}
.cred-list{margin:26px 0 32px}
.cred-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--mist);font-size:15.5px;
}
.cred-list li:last-child{border-bottom:none}
.cred-list svg{flex:none;margin-top:6px}

/* photo gallery */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.gallery figure{position:relative;overflow:hidden;border-radius:var(--radius)}
.gallery img{aspect-ratio:3/2;object-fit:cover;width:100%;transition:transform .5s ease}
.gallery figure:hover img{transform:scale(1.035)}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:38px 22px 16px;color:#fff;font-size:14.5px;letter-spacing:.05em;
  background:linear-gradient(transparent, rgba(40,30,18,.72));
}

/* testimonials */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quote{
  background:var(--white);border:1px solid var(--mist);border-radius:var(--radius);
  padding:34px 30px;display:flex;flex-direction:column;gap:16px;
}
.stars{color:var(--gold);letter-spacing:3px;font-size:15px}
.quote p{color:var(--ink-soft);font-size:15px;flex:1}
.quote footer{font-size:14px;font-weight:500}
.quote footer small{display:block;color:var(--ink-soft);font-weight:400}

/* form */
.form-panel{
  background:var(--white);border:1px solid var(--mist);border-radius:20px;
  box-shadow:var(--shadow);padding:54px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14.5px;font-weight:500}
.field label b{color:var(--gold);font-weight:600}
.field input,.field select,.field textarea{
  font-family:var(--font-body);font-size:15.5px;color:var(--ink);
  background:var(--paper);border:1px solid var(--mist);border-radius:10px;
  padding:13px 16px;transition:border-color .2s, box-shadow .2s;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--leaf);box-shadow:0 0 0 3px rgba(122,171,62,.15);
}
.form-actions{margin-top:30px;text-align:center}
.form-actions .btn{padding:15px 56px;font-size:16px}
.form-hint{margin-top:14px;font-size:13.5px;color:var(--ink-soft);text-align:center}

/* contact info */
.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:56px}
.info-card{
  background:var(--white);border:1px solid var(--mist);border-radius:var(--radius);
  padding:30px;text-align:center;
}
.info-card h3{font-size:17px;margin:14px 0 6px}
.info-card p{font-size:15px;color:var(--ink-soft)}
.map-frame{border:0;width:100%;height:420px;border-radius:var(--radius);box-shadow:var(--shadow)}

/* level path (courses page) */
.level-path{position:relative;margin:60px 0 20px}
.level-track{
  display:grid;grid-template-columns:repeat(10,1fr);gap:8px;position:relative;
}
.level-track::before{
  content:"";position:absolute;left:4%;right:4%;top:21px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--leaf));opacity:.5;
}
.level{position:relative;text-align:center;font-size:13px;color:var(--ink-soft)}
.level i{
  display:flex;width:44px;height:44px;margin:0 auto 10px;border-radius:50%;
  background:var(--white);border:2px solid var(--gold);
  align-items:center;justify-content:center;font-style:normal;
  font-family:var(--font-en);font-weight:700;font-size:15px;color:var(--ink);
  position:relative;z-index:1;
}
.level:nth-child(n+6) i{border-color:var(--leaf);color:var(--leaf-deep)}
.level-stage{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;font-size:14.5px}
.level-stage div{
  border-top:3px solid var(--gold);padding-top:14px;color:var(--ink-soft);
}
.level-stage div:nth-child(2){border-color:#b8a83a}
.level-stage div:nth-child(3){border-color:var(--leaf)}
.level-stage b{color:var(--ink);display:block;margin-bottom:4px;font-size:15.5px}

/* online course cards */
.online-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;
  background:var(--white);border:1px solid var(--mist);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow);margin-bottom:56px;
}
.online-card:nth-child(even){grid-template-columns:.95fr 1.05fr}
.online-card:nth-child(even) .online-media{order:2}
.online-media{background:var(--cream)}
.online-media img{width:100%;height:100%;object-fit:cover}
.online-body{padding:52px 48px;display:flex;flex-direction:column;justify-content:center}
.online-body h3{font-size:24px;margin:12px 0 6px}
.online-body .en-sub{font-family:var(--font-en);color:var(--gold);font-size:17px;letter-spacing:.05em;margin-bottom:18px}
.online-body ul{margin:6px 0 30px}
.online-body ul li{
  display:flex;gap:12px;padding:8px 0;font-size:15.5px;color:var(--ink-soft);
}
.online-body ul svg{flex:none;margin-top:7px}

/* about page */
.story-band{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.timeline{margin-top:8px}
.timeline li{
  position:relative;padding:0 0 26px 34px;border-left:1.5px solid var(--mist);
  margin-left:8px;font-size:15.5px;color:var(--ink-soft);
}
.timeline li::before{
  content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;
  border-radius:50%;background:var(--gold);border:2.5px solid var(--paper);
}
.timeline li:last-child{padding-bottom:0;border-color:transparent}
.timeline b{color:var(--ink);display:block;margin-bottom:2px}
.about-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}

/* page hero (inner pages) */
.page-hero{
  background:var(--cream);padding:76px 0 66px;text-align:center;
  border-bottom:1px solid var(--mist);position:relative;overflow:hidden;
}
.page-hero h1{font-size:clamp(28px,3.8vw,40px);margin-top:14px}
.page-hero p{color:var(--ink-soft);max-width:620px;margin:14px auto 0}

/* CTA band */
.cta-band{background:var(--ink);color:var(--paper);text-align:center;padding:84px 0}
.cta-band h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.cta-band p{opacity:.85;margin-bottom:34px}

/* footer */
.site-footer{background:#3b2e20;color:#d8cfbf;padding:64px 0 34px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;margin-bottom:44px}
.footer-grid img{height:52px;width:auto;background:var(--paper);padding:8px 14px;border-radius:10px;margin-bottom:18px}
.footer-grid h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:500;letter-spacing:.08em}
.footer-grid li{margin-bottom:10px}
.footer-grid a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;text-align:center;font-size:13px;opacity:.7}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-inner,.founder-band,.story-band{grid-template-columns:1fr;gap:44px}
  .grid-3,.quote-grid,.info-cards{grid-template-columns:1fr 1fr}
  .online-card,.online-card:nth-child(even){grid-template-columns:1fr}
  .online-card:nth-child(even) .online-media{order:0}
  .online-media img{aspect-ratio:16/9;height:auto}
  .strip-inner{grid-template-columns:repeat(2,1fr);gap:30px}
  .level-track{grid-template-columns:repeat(5,1fr);gap:20px 8px}
  .level-track::before{display:none}
  .about-cols{grid-template-columns:1fr}
}
@media (max-width:720px){
  .nav-links{
    position:fixed;inset:78px 0 auto 0;background:var(--paper);
    flex-direction:column;gap:0;padding:10px 24px 24px;
    border-bottom:1px solid var(--mist);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 0;width:100%;border-bottom:1px solid var(--mist)}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .grid-3,.grid-2,.quote-grid,.info-cards,.form-grid,.gallery,.level-stage{grid-template-columns:1fr}
  .section{padding:64px 0}
  .form-panel{padding:34px 24px}
  .course-row{grid-template-columns:1fr;gap:12px}
  .course-tag{width:130px}
  .hero-inner{padding:56px 0 64px}
}

/* instant reveal without animation (page-load, above the fold) */
.reveal.no-anim{transition:none}

/* ---------- speeches page ---------- */
.speech-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.speech-card{
  background:var(--white);border:1px solid var(--mist);border-radius:var(--radius);
  padding:32px 30px;display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.speech-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.speech-card h3{font-size:18.5px;line-height:1.6}
.speech-loc{
  align-self:flex-start;font-size:13px;letter-spacing:.08em;color:var(--gold);
  border:1px solid var(--gold);border-radius:999px;padding:3px 14px;
}
.speech-topic{color:var(--ink-soft);font-size:15px;border-top:1px dashed var(--mist);padding-top:12px}
.speech-topic b{color:var(--leaf-deep);font-weight:500;margin-right:8px}

/* ---------- articles page ---------- */
.article-list{border-top:1px solid var(--mist)}
.article-item{
  display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
  padding:26px 6px;border-bottom:1px solid var(--mist);
  transition:background .2s ease;
}
.article-item:hover{background:var(--cream)}
.article-date{font-family:var(--font-en);font-size:15px;letter-spacing:.1em;color:var(--gold);font-weight:600}
.article-item h3{font-size:18px;font-weight:600;line-height:1.65}
.article-arrow{
  font-family:var(--font-en);font-size:15px;color:var(--leaf-deep);
  white-space:nowrap;letter-spacing:.06em;
}
.article-item:hover .article-arrow{text-decoration:underline}
@media (max-width:720px){
  .speech-grid{grid-template-columns:1fr}
  .article-item{grid-template-columns:1fr;gap:8px;padding:22px 4px}
  .article-arrow{display:none}
}

/* ---------- article detail pages ---------- */
.article-prose{max-width:760px;margin:0 auto;font-size:16.5px;line-height:2}
.article-prose p{margin-bottom:22px;color:var(--ink)}
.article-prose h2{font-size:23px;margin:44px 0 18px;padding-left:16px;border-left:4px solid var(--leaf)}
.article-prose h3{font-size:19px;margin:32px 0 14px;color:var(--leaf-deep)}
.article-prose strong{color:var(--ink);font-weight:700}
.article-prose a{color:var(--leaf-deep);text-decoration:underline;text-underline-offset:3px}
.article-prose .caption{font-size:14px;color:var(--ink-soft);margin-bottom:22px}
.article-prose .prose-list{margin:0 0 22px 6px}
.article-prose .prose-list li{
  position:relative;padding:5px 0 5px 26px;color:var(--ink);
}
.article-prose .prose-list li::before{
  content:"";position:absolute;left:4px;top:16px;width:8px;height:8px;
  border-radius:50%;background:var(--gold);
}
.video-embed{position:relative;padding-bottom:56.25%;height:0;margin:10px 0 8px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.article-header{background:var(--cream);border-bottom:1px solid var(--mist);padding:66px 0 56px;text-align:center}
.article-header h1{font-size:clamp(25px,3.4vw,34px);max-width:800px;margin:14px auto 0;line-height:1.6}
.article-back{margin-top:56px;padding-top:34px;border-top:1px solid var(--mist);text-align:center}