*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --navy:    #0c1828;
  --navy2:   #0f2040;
  --navy3:   #162d50;
  --arc:     #2a6fa8;
  --arc2:    #5294c8;
  --arc3:    #a8cce8;
  --steel:   rgba(255,255,255,0.55);
  --dim:     rgba(255,255,255,0.22);
  --line:    rgba(255,255,255,0.07);
  --line2:   rgba(42,111,168,0.2);
  --serif:   'Playfair Display', Georgia, serif;
  --sans:    'DM Sans', sans-serif;
  --mono:    'DM Mono', monospace;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--navy);
  color: #fff;
  overflow-x: hidden;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--arc); border-radius: 3px; }

/* ===== NAV ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height:120px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 64px;
  background: rgba(12,24,40,0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-logo { display: flex; align-items: center; cursor: pointer; }
.nav-logo img {
  height:110px; width: auto;
  filter: brightness(0) invert(1);
}
.nav-back {
  display: flex; align-items: center; gap: 10px;
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--steel); cursor: pointer;
  transition: color 0.2s;
  border: 1px solid var(--line2); padding: 8px 18px;
}
.nav-back:hover { color: var(--arc2); border-color: var(--arc); }
.nav-back svg {
  width: 14px; height: 14px; stroke: currentColor;
  stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.2s;
}
.nav-back:hover svg { transform: translateX(-3px); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 100px 64px 80px;
  position: relative; overflow: hidden;
}

/* Animated background */
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: var(--navy2);
}
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 75% 35%, rgba(42,111,168,0.18) 0%, transparent 65%),
    radial-gradient(ellipse 50% 70% at 15% 70%, rgba(42,111,168,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 30% 30% at 90% 85%, rgba(82,148,200,0.06) 0%, transparent 50%);
}

/* Connection network lines — SVG background */
.hero-network {
  position: absolute; inset: 0; z-index: 1;
  opacity: 0.4;
}

/* Fine grid */
.hero-grid {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image:
    linear-gradient(rgba(42,111,168,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,111,168,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
}

.hero-content {
  position: relative; z-index: 10;
  max-width: 1200px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.hero-eyebrow {
  font-size: 10px; letter-spacing: 0.38em; text-transform: uppercase;
  color: var(--arc2); margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px;
  animation: fadeUp 0.9s 0.1s both;
}
.hero-eyebrow::before {
  content: ''; display: block;
  width: 28px; height: 1px; background: var(--arc);
}
h1.hero-title {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 86px);
  font-weight: 400; line-height: 1.0;
  color: #fff; margin-bottom: 24px;
  animation: fadeUp 0.9s 0.2s both;
}
h1.hero-title em { font-style: italic; color: var(--arc2); }
.hero-desc {
  font-size: 15px; font-weight: 300; line-height: 1.85;
  color: var(--steel); max-width: 520px;
  animation: fadeUp 0.9s 0.35s both;
}

/* Stats column right */
.hero-right {
  display: flex; flex-direction: column; gap: 0;
  animation: fadeUp 0.9s 0.45s both;
  border: 1px solid var(--line2);
}
.hero-stat-item {
  padding: 28px 36px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 24px;
}
.hero-stat-item:last-child { border-bottom: none; }
.hero-stat-num {
  font-family: var(--serif);
  font-size: 44px; font-weight: 400; color: #fff;
  line-height: 1; min-width: 80px;
}
.hero-stat-num span { color: var(--arc2); font-size: 28px; }
.hero-stat-info {}
.hero-stat-label {
  font-size: 11px; letter-spacing: 0.12em;
  color: #fff; font-weight: 500; margin-bottom: 4px;
}
.hero-stat-sub {
  font-size: 11px; color: var(--dim); line-height: 1.5;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute; bottom: 28px; left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  animation: fadeIn 1s 1s both;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--arc), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
.hero-scroll-label {
  font-size: 8px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--dim);
}

/* ===== PARTNERS SECTION ===== */
.partners-section {
  padding: 100px 64px;
  max-width: 1360px; margin: 0 auto;
}

/* Category filter tabs */
.filter-bar {
  display: flex; align-items: center; gap: 0;
  border: 1px solid var(--line2);
  margin-bottom: 64px;
  overflow-x: auto;
}
.filter-tab {
  padding: 14px 28px;
  font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--steel); cursor: pointer;
  border-right: 1px solid var(--line2);
  white-space: nowrap;
  transition: all 0.2s;
  position: relative; background: transparent;
  border-top: none; border-left: none; border-bottom: none;
}
.filter-tab:last-child { border-right: none; }
.filter-tab::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: var(--arc);
  transform: scaleX(0); transition: transform 0.25s;
}
.filter-tab:hover { color: #fff; background: rgba(42,111,168,0.06); }
.filter-tab:hover::after { transform: scaleX(1); }
.filter-tab.active { color: var(--arc2); background: rgba(42,111,168,0.08); }
.filter-tab.active::after { transform: scaleX(1); }
.filter-count {
  display: inline-block;
  font-family: var(--mono); font-size: 9px;
  color: var(--arc); margin-left: 6px;
  opacity: 0.7;
}

/* Partners grid */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line2);
  border: 1px solid var(--line2);
}

.partner-card {
  background: var(--navy2);
  display: flex; flex-direction: column;
  transition: background 0.3s;
  position: relative; overflow: hidden;
  opacity: 1;
}
.partner-card.hidden { display: none; }
.partner-card:hover { background: #122240; }

/* Top accent bar per category */
.partner-card[data-cat="shipping"]::before   { content:''; position:absolute; top:0; left:0; right:0; height:2px; background: linear-gradient(90deg, #2a6fa8, #5294c8); }
.partner-card[data-cat="technology"]::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background: linear-gradient(90deg, #1a7a6b, #2aa89a); }
.partner-card[data-cat="academic"]::before   { content:''; position:absolute; top:0; left:0; right:0; height:2px; background: linear-gradient(90deg, #7a4a1a, #c87f2a); }
.partner-card[data-cat="trade"]::before      { content:''; position:absolute; top:0; left:0; right:0; height:2px; background: linear-gradient(90deg, #6b1a2a, #a82a3a); }

/* Logo area */
.partner-logo-wrap {
  height: 180px;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  padding: 36px 40px;
  position: relative; overflow: hidden;
  transition: all 0.3s;
}
.partner-logo-wrap img {
  max-width: 100%; max-height: 90px;
  object-fit: contain;
  transition: transform 0.4s ease, filter 0.3s;
  filter: grayscale(0%);
}
.partner-card:hover .partner-logo-wrap img {
  transform: scale(1.06);
}

/* Hover overlay */
.partner-logo-overlay {
  position: absolute; inset: 0;
  background: rgba(12,24,40,0.88);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s;
}
.partner-card:hover .partner-logo-overlay { opacity: 1; }
.partner-visit-btn {
  font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--arc2); border: 1px solid rgba(42,111,168,0.5);
  padding: 10px 20px;
  transition: all 0.2s;
  display: flex; align-items: center; gap: 8px;
}
.partner-visit-btn svg {
  width: 12px; height: 12px; stroke: currentColor;
  fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.partner-visit-btn:hover {
  background: var(--arc); color: #fff; border-color: var(--arc);
}

/* Card body */
.partner-body {
  padding: 24px 28px 28px;
  flex: 1; display: flex; flex-direction: column;
}
.partner-cat {
  font-size: 8px; letter-spacing: 0.28em; text-transform: uppercase;
  margin-bottom: 8px; font-family: var(--mono);
}
.partner-card[data-cat="shipping"]   .partner-cat { color: var(--arc2); }
.partner-card[data-cat="technology"] .partner-cat { color: #2aa89a; }
.partner-card[data-cat="academic"]   .partner-cat { color: #c87f2a; }
.partner-card[data-cat="trade"]      .partner-cat { color: #d94f5c; }

.partner-name {
  font-family: var(--serif);
  font-size: 20px; font-weight: 400; color: #fff;
  line-height: 1.2; margin-bottom: 10px;
}
.partner-desc {
  font-size: 12.5px; line-height: 1.8; color: var(--steel);
  flex: 1;
}
.partner-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px; font-size: 9px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--arc2);
  transition: gap 0.2s, color 0.2s;
  width: fit-content;
}
.partner-link svg {
  width: 12px; height: 12px; stroke: currentColor;
  fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.2s;
}
.partner-link:hover { gap: 10px; color: #fff; }
.partner-link:hover svg { transform: translateX(3px); }

/* ===== BOTTOM BANNER ===== */
.alliance-banner {
  margin: 0 64px 80px;
  padding: 56px 64px;
  background: var(--navy3);
  border: 1px solid var(--line2);
  display: grid; grid-template-columns: 1fr auto;
  gap: 64px; align-items: center;
  position: relative; overflow: hidden;
}
.alliance-banner::before {
  content: '';
  position: absolute; right: -80px; top: -80px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(42,111,168,0.12), transparent 70%);
}
.banner-title {
  font-family: var(--serif);
  font-size: 32px; font-weight: 400; color: #fff;
  margin-bottom: 12px; line-height: 1.2;
}
.banner-title em { font-style: italic; color: var(--arc2); }
.banner-desc {
  font-size: 13px; line-height: 1.8; color: var(--steel);
  max-width: 560px;
}
.banner-cta {
  display: flex; flex-direction: column; gap: 12px; align-items: flex-end;
}
.btn-primary {
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  background: var(--arc); color: #fff;
  padding: 14px 32px; white-space: nowrap;
  transition: background 0.2s; display: inline-block;
}
.btn-primary:hover { background: var(--arc2); }
.btn-ghost {
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--steel); border: 1px solid var(--line2);
  padding: 14px 32px; white-space: nowrap;
  transition: all 0.2s; display: inline-block;
}
.btn-ghost:hover { border-color: var(--arc); color: var(--arc2); }

/* ===== FOOTER ===== */
footer {
  background: #060d18;
  padding: 32px 64px;
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--line);
  flex-wrap: wrap; gap: 20px;
}
.footer-logo img { height: 36px; filter: brightness(0) invert(1); }
.footer-info {
  font-size: 11px; color: var(--dim); text-align: center; line-height: 1.8;
}
.footer-contact {
  text-align: right;
}
.footer-contact a {
  font-size: 11px; color: var(--arc2);
  transition: color 0.2s;
}
.footer-contact a:hover { color: #fff; }
.footer-contact p { font-size: 11px; color: var(--dim); margin-top: 2px; }

/* ===== SIDEBAR ===== */
.side-bar {
  position: fixed; left: 0; top: 50%;
  transform: translateY(-50%); z-index: 200;
  display: flex; flex-direction: column;
}
.side-btn {
  width: 44px; height: 44px;
  background: rgba(12,24,40,0.85);
  border-left: 2px solid transparent;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.25s;
  backdrop-filter: blur(10px); position: relative;
  text-decoration: none;
}
.side-btn:first-child { border-top: none; }
.side-btn:hover {
  background: rgba(42,111,168,0.2);
  border-left-color: var(--arc);
}
.side-btn.current { border-left-color: var(--arc); background: rgba(42,111,168,0.15); }
.side-btn svg {
  width: 17px; height: 17px; fill: none;
  stroke: var(--steel); stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
  transition: stroke 0.2s;
}
.side-btn:hover svg, .side-btn.current svg { stroke: var(--arc2); }
.side-label {
  position: absolute; left: 52px; top: 50%;
  transform: translateY(-50%) translateX(-6px);
  background: rgba(8,18,32,0.97);
  border: 1px solid rgba(42,111,168,0.3);
  border-left: 2px solid var(--arc);
  color: #fff; font-size: 9px; letter-spacing: 0.22em;
  text-transform: uppercase; white-space: nowrap;
  padding: 8px 14px; pointer-events: none;
  opacity: 0; transition: opacity 0.2s, transform 0.2s;
}
.side-btn:hover .side-label {
  opacity: 1; transform: translateY(-50%) translateX(0);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  nav, .hero { padding-left: 28px; padding-right: 28px; }
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .partners-section { padding: 72px 28px; }
  .partners-grid { grid-template-columns: 1fr 1fr; }
  .alliance-banner { margin: 0 28px 60px; padding: 40px 36px; grid-template-columns: 1fr; }
  .banner-cta { align-items: flex-start; flex-direction: row; }
  footer { padding: 28px; }
}
@media (max-width: 640px) {
  .partners-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-wrap: nowrap; }
  h1.hero-title { font-size: 44px; }
  .hero-right { display: none; }
}

/* === UNIFIED NAV (matches homepage) === */
.nav-links{display:flex;gap:36px;list-style:none;position:absolute;left:50%;transform:translateX(-50%);margin:0;padding:0}
.nav-links a{font-size:11px;font-weight:400;letter-spacing:0.18em;text-transform:uppercase;color:var(--steel);transition:color 0.2s;padding:4px 0;position:relative;display:inline-block}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:1px;background:var(--arc);opacity:0;transition:opacity 0.25s}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{opacity:1}.nav-links a:visited{color:rgba(255,255,255,0.55);text-decoration:none}.nav-links a:focus{outline:none}
.nav-right{display:flex;align-items:center;gap:20px}
.nav-contact{font-size:10px;letter-spacing:0.2em;text-transform:uppercase;color:var(--arc2);border:1px solid rgba(59,130,246,0.35);padding:8px 20px;transition:all 0.25s}
.nav-contact:hover{background:var(--arc);color:#fff;border-color:var(--arc)}
@media(max-width:1100px){.nav-links{display:none}}

/* === UNIFIED FOOTER (matches homepage) === */
footer{background:#080f1b;color:#fff;padding:80px 64px 32px;border-top:1px solid var(--line)}
.footer-top{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:64px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.footer-brand{display:flex;align-items:center;margin-bottom:16px}
.footer-brand img{height:64px;width:auto;filter:brightness(0) invert(1);opacity:0.9}
.footer-tagline{font-size:13px;line-height:1.7;color:var(--steel);margin-bottom:24px;max-width:380px}
.footer-social{display:flex;gap:8px}
.footer-social-btn{width:36px;height:36px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--steel);cursor:pointer;transition:all 0.2s;text-decoration:none}
.footer-social-btn:hover{border-color:var(--arc);background:rgba(59,130,246,0.1);color:#fff}
.footer-col-title{font-family:var(--mono);font-size:9px;letter-spacing:0.28em;text-transform:uppercase;color:var(--arc2);margin-bottom:18px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px;margin:0;padding:0}
.footer-links a{font-size:13px;color:var(--steel);transition:color 0.2s}
.footer-links a:hover{color:var(--arc2)}
.footer-bottom{max-width:1200px;margin:32px auto 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-copy{font-size:11px;color:rgba(255,255,255,0.35)}
.footer-badges{display:flex;gap:18px;font-family:var(--mono);font-size:9px;letter-spacing:0.22em;text-transform:uppercase;color:var(--dim)}
.footer-status{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:9px;letter-spacing:0.22em;text-transform:uppercase;color:var(--dim)}
.footer-status::before{content:'';display:block;width:6px;height:6px;border-radius:50%;background:#4ade80;animation:pulse-dot 2s infinite ease-in-out}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.3)}}
@media(max-width:900px){.footer-top{grid-template-columns:1fr 1fr;gap:40px}}
@media(max-width:600px){footer{padding:60px 28px 24px}.footer-top{grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:flex-start}}

/* === LANGUAGE SWITCHER (formal monospace pill) === */
.lang-switch{display:inline-flex;align-items:center;gap:10px;margin-right:18px;font-family:var(--mono,monospace);font-size:10px;letter-spacing:0.22em;text-transform:uppercase}
.lang-switch a{color:rgba(255,255,255,0.35);text-decoration:none;transition:color 0.2s;padding:4px 2px;border-bottom:1px solid transparent}
.lang-switch a:hover{color:#fff}
.lang-switch a.lang-active{color:var(--arc2);border-bottom-color:var(--arc)}
.lang-switch .lang-sep{color:rgba(255,255,255,0.25)}

/* ── MOBILE NAV ── */
@media(max-width:640px){
  nav{height:80px!important;padding:0 20px!important}
  .nav-logo img{height:68px!important}
  .nav-contact{padding:6px 14px;font-size:9px;letter-spacing:0.14em}
}
@media(max-width:400px){
  .nav-contact{display:none}
  .lang-switch{margin-right:0}
}

/* ── FILTER BAR – wrap tabs on mobile instead of horizontal scroll ── */
@media(max-width:640px){
  .filter-bar{flex-wrap:wrap!important;overflow-x:hidden!important;gap:6px;padding:12px 0}
  .filter-btn{flex:none}
}
@media(max-width:480px){
  .partners-section{padding:56px 16px!important}
}