/*
Theme Name: NZIIS
Theme URI: https://www.nziis.org/
Description: Single-page bilingual (EN/中文) site for the NZ Institute of Interdisciplinary Studies. Forms are Contact Form 7, provisioned by inc/setup-forms.php.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.1
Text Domain: nziis
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root{
  --primary:#0b4f6c;
  --primary-d:#073b52;
  --primary-l:#12718f;
  --accent:#c8961e;
  --accent-l:#e6b93f;
  --ink:#0f1f2e;
  --muted:#5b6b7a;
  --line:#e3e9ee;
  --soft:#f5f8fa;
  --white:#fff;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 34px rgba(11,79,108,.09);
  --shadow-lg:0 22px 50px rgba(11,79,108,.16);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;letter-spacing:-.015em;font-weight:700}
p{margin:0 0 1em}
.container{width:min(1160px,92vw);margin-inline:auto}
section{scroll-margin-top:90px}

/* ============================================================
   HEADER + LANGUAGE SWITCH
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;padding:12px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;min-width:0}
.brand svg{flex:none}
.brand-text{min-width:0}
.brand-text strong{display:block;font-size:.98rem;line-height:1.25;letter-spacing:-.01em}
.brand-text span{display:block;font-size:.68rem;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;margin-top:2px}

.nav{display:flex;gap:22px;font-size:.9rem;font-weight:500}
.nav a{color:#33485c;position:relative;padding:4px 0;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--accent);transition:right .25s ease}
.nav a:hover{color:var(--primary)}
.nav a:hover::after{right:0}

.lang-switch{display:flex;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:3px;flex:none}
.lang-btn{
  border:0;background:transparent;padding:5px 13px;border-radius:999px;
  font:inherit;font-size:.78rem;font-weight:600;color:var(--muted);
  cursor:pointer;transition:all .22s ease;letter-spacing:.02em;
}
.lang-btn.active{background:var(--primary);color:#fff;box-shadow:0 2px 10px rgba(11,79,108,.32)}

@media (max-width:900px){
  .header-inner{gap:12px;padding:10px 0}
  .nav{order:3;width:100%;overflow-x:auto;padding-bottom:6px;gap:18px;font-size:.85rem;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .brand-text strong{font-size:.86rem}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(1100px 480px at 82% -12%,rgba(200,150,30,.30),transparent 62%),
    radial-gradient(900px 500px at 5% 110%,rgba(18,113,143,.55),transparent 60%),
    linear-gradient(140deg,#05202f,#0b4f6c 52%,#116b86);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 50% 35%,#000,transparent 78%);
  mask-image:radial-gradient(circle at 50% 35%,#000,transparent 78%);
}
.hero-inner{position:relative;z-index:1;padding:94px 0 100px;max-width:840px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent-l);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  padding:7px 15px;border-radius:999px;margin-bottom:26px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-l)}
.hero h1{font-size:clamp(2rem,4.6vw,3.35rem);letter-spacing:-.03em;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--accent-l)}
.hero p.lead{font-size:clamp(1rem,1.6vw,1.14rem);color:rgba(255,255,255,.86);max-width:680px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font:inherit;font-size:.92rem;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#20170a;box-shadow:0 8px 24px rgba(200,150,30,.32)}
.btn-primary:hover{background:var(--accent-l);transform:translateY(-2px);box-shadow:0 12px 30px rgba(200,150,30,.42)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-solid{background:var(--primary);color:#fff}
.btn-solid:hover{background:var(--primary-d);transform:translateY(-2px);box-shadow:0 10px 26px rgba(11,79,108,.3)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--primary);background:var(--soft)}
.btn-block{width:100%}

.hero-stats{display:flex;flex-wrap:wrap;gap:14px 34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stats div{font-size:.85rem;color:rgba(255,255,255,.75)}
.hero-stats strong{display:block;font-size:1.28rem;color:#fff;font-weight:700;letter-spacing:-.02em}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{padding:86px 0}
.section.alt{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:52px}
.section-head.center{margin-inline:auto;text-align:center}
.kicker{
  display:inline-block;font-size:.73rem;font-weight:700;letter-spacing:.19em;
  text-transform:uppercase;color:var(--primary);margin-bottom:14px;
}
.kicker::after{content:"";display:block;width:38px;height:3px;background:var(--accent);border-radius:2px;margin-top:9px}
.section-head.center .kicker::after{margin-inline:auto}
.section-head h2{font-size:clamp(1.6rem,3vw,2.25rem);margin-bottom:16px}
.section-head p{color:var(--muted);font-size:1.02rem;margin:0}

/* Grid + cards */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:940px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:all .28s ease;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe0ea}
.card h3{font-size:1.06rem;margin-bottom:9px}
.card p{color:var(--muted);font-size:.92rem;margin:0}
.card .icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,#e8f2f7,#d3e6ef);color:var(--primary);
  font-weight:700;font-size:.82rem;margin-bottom:18px;letter-spacing:.02em;
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .35s ease;
}
.card:hover::before{width:100%}

/* Feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:34px}}
.checklist{list-style:none;padding:0;margin:0}
.checklist li{position:relative;padding-left:32px;margin-bottom:14px;color:#2c3e4f;font-size:.95rem}
.checklist li::before{
  content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;
  background:var(--primary);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/14px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/14px no-repeat;
}

/* Panel */
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:34px;
}
.panel-head{border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:26px}
.panel-head h3{margin:0 0 6px;font-size:1.22rem}
.panel-head p{margin:0;color:var(--muted);font-size:.9rem}

/* ============================================================
   FORMS
   ============================================================ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
@media (max-width:700px){.form-grid{grid-template-columns:1fr}}

label{font-size:.83rem;font-weight:600;color:#2c3e4f;letter-spacing:.01em}
label .req{color:#c0392b;margin-left:3px}
.hint{font-size:.76rem;color:var(--muted);font-weight:400}

input[type=text],input[type=email],input[type=url],input[type=month],input[type=number],select,textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fbfdfe;font:inherit;font-size:.9rem;color:var(--ink);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--primary-l);background:#fff;
  box-shadow:0 0 0 4px rgba(18,113,143,.12);
}
textarea{resize:vertical;min-height:112px;line-height:1.6}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b6b7a' stroke-width='2.4' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;background-size:16px;padding-right:40px}

input[type=file]{
  width:100%;padding:14px;border:1.5px dashed #b9c8d4;border-radius:var(--radius-sm);
  background:var(--soft);font-size:.85rem;color:var(--muted);cursor:pointer;transition:.2s;
}
input[type=file]:hover{border-color:var(--primary-l);background:#eef6fa}
input[type=file]::file-selector-button{
  font:inherit;font-size:.83rem;font-weight:600;color:#fff;background:var(--primary);
  border:0;border-radius:8px;padding:9px 17px;margin-right:14px;cursor:pointer;transition:.2s;
}
input[type=file]::file-selector-button:hover{background:var(--primary-d)}

.form-note{
  margin-top:22px;padding:14px 18px;background:var(--soft);border-left:3px solid var(--accent);
  border-radius:0 8px 8px 0;font-size:.82rem;color:var(--muted);
}
.form-actions{margin-top:26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ============================================================
   JOURNAL
   ============================================================ */
.journal-hero{
  background:linear-gradient(135deg,#073b52,#0b4f6c 60%,#12718f);
  color:#fff;border-radius:var(--radius);padding:44px 40px;margin-bottom:34px;
  position:relative;overflow:hidden;
}
.journal-hero::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,150,30,.34),transparent 68%);
}
.journal-hero h3{font-size:clamp(1.3rem,2.6vw,1.85rem);margin-bottom:12px;position:relative}
.journal-hero p{color:rgba(255,255,255,.85);margin:0;max-width:640px;position:relative;font-size:.96rem}
.journal-hero .pub{margin-top:20px;font-size:.82rem;color:var(--accent-l);letter-spacing:.06em;text-transform:uppercase;font-weight:600;position:relative}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:1.5rem;font-weight:700;color:var(--accent);
  letter-spacing:-.03em;margin-bottom:10px;
}
.step h4{font-size:.98rem;margin-bottom:7px}
.step p{font-size:.86rem;color:var(--muted);margin:0}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-card{
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:46px;box-shadow:var(--shadow);
}
@media (max-width:820px){.contact-card{grid-template-columns:1fr;gap:28px;padding:32px}}
.contact-detail{list-style:none;padding:0;margin:0}
.contact-detail li{padding:14px 0;border-bottom:1px solid var(--line);font-size:.94rem}
.contact-detail li:last-child{border-bottom:0}
.contact-detail span{display:block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.contact-detail a{color:var(--primary);font-weight:600}
.contact-detail a:hover{text-decoration:underline}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:#08192a;color:rgba(255,255,255,.66);padding:56px 0 30px;font-size:.88rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px}
.site-footer a:hover{color:var(--accent-l)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:10px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand strong{color:#fff;font-size:1rem;display:block;line-height:1.3}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.8rem;color:rgba(255,255,255,.45)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   WORDPRESS + CONTACT FORM 7 ADJUSTMENTS
   ============================================================ */
.admin-bar .site-header{top:32px}
@media (max-width:782px){.admin-bar .site-header{top:46px}}

.wpcf7-form-control-wrap{display:block;position:relative}
.wpcf7-not-valid-tip{display:block;margin-top:6px;font-size:.76rem;font-weight:500;color:#c0392b}
input.wpcf7-not-valid,select.wpcf7-not-valid,textarea.wpcf7-not-valid{border-color:#e3a59d;background:#fffafa}
.wpcf7-spinner{margin:0 0 0 4px}
.nziis-submit input[type=submit]:disabled{opacity:.7;cursor:progress;transform:none;box-shadow:none}

.wpcf7 form .wpcf7-response-output{
  margin:22px 0 0;padding:14px 18px;border:0;border-left:3px solid var(--primary);
  border-radius:0 8px 8px 0;background:var(--soft);font-size:.88rem;color:var(--ink);
}
.wpcf7 form.sent .wpcf7-response-output{border-left-color:#2e8b57;background:#f1f9f4}
.wpcf7 form.invalid .wpcf7-response-output,
.wpcf7 form.unaccepted .wpcf7-response-output,
.wpcf7 form.payment-required .wpcf7-response-output{border-left-color:var(--accent);background:#fdf8ec}
.wpcf7 form.failed .wpcf7-response-output,
.wpcf7 form.aborted .wpcf7-response-output,
.wpcf7 form.spam .wpcf7-response-output{border-left-color:#c0392b;background:#fdf3f2}

.form-unavailable{margin:0;padding:16px 18px;background:#fdf8ec;border-left:3px solid var(--accent);border-radius:0 8px 8px 0;font-size:.9rem}
.form-unavailable a{color:var(--primary);font-weight:600}

/* Fallback template (index.php) */
.page-body{padding:72px 0 86px;min-height:52vh}
.page-body h1{font-size:clamp(1.6rem,3vw,2.25rem)}
.page-body a{color:var(--primary);text-decoration:underline}