/* =============================================
   ROOT & RESET
============================================= */
:root {
  --green-900: #052e16;
  --green-800: #14532d;
  --green-700: #15803d;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-400: #4ade80;
  --green-300: #86efac;
  --green-100: #dcfce7;
  --green-50:  #f0fdf4;

  --amber-500: #f59e0b;
  --amber-400: #fbbf24;
  --amber-100: #fef3c7;

  --earth-700: #78350f;
  --earth-600: #92400e;
  --earth-100: #fef3c7;

  --bg: #f8fffe;
  --bg-alt: #f0fdf4;
  --surface: rgba(255,255,255,0.85);
  --surface-strong: rgba(255,255,255,0.96);
  --text: #0a1a0f;
  --muted: #4b7259;
  --border: rgba(22,163,74,0.15);
  --border-strong: rgba(22,163,74,0.28);

  --shadow-sm: 0 4px 16px rgba(5,46,22,0.07);
  --shadow:    0 10px 30px rgba(5,46,22,0.10);
  --shadow-lg: 0 20px 50px rgba(5,46,22,0.15);

  --radius-sm: 14px;
  --radius: 20px;
  --radius-lg: 28px;

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

body.loading { overflow: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

/* =============================================
   INTRO LOADER
============================================= */
.intro-loader {
  position: fixed; inset: 0; z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}

.intro-panel {
  position: absolute; top: 0; bottom: 0;
  width: 50%;
  background: var(--green-900);
  transition: transform 1.1s cubic-bezier(0.77,0,0.18,1);
}
.intro-panel-left  { left: 0; transform-origin: left; }
.intro-panel-right { right: 0; transform-origin: right; }

.intro-center {
  position: relative; z-index: 2; text-align: center;
  opacity: 1; transition: opacity 0.4s ease 0.2s;
}

.intro-title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800; color: #fff;
  letter-spacing: -0.02em;
}

.intro-title span { color: var(--green-400); }

.intro-subtitle {
  font-family: var(--font-body);
  color: var(--green-300);
  font-size: 1rem; margin-top: 8px; letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
}

.intro-loader.open .intro-panel-left  { transform: translateX(-100%); }
.intro-loader.open .intro-panel-right { transform: translateX(100%); }
.intro-loader.open .intro-center { opacity: 0; }
.intro-loader.hide { display: none; }

/* =============================================
   HEADER / NAV
============================================= */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(248,255,254,0.88);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  height: 72px; display: flex; align-items: center;
}

.navbar {
  display: flex; align-items: center; justify-content: space-between;
  width: min(92%, var(--max-width)); margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem; font-weight: 800;
  color: var(--green-900);
  display: flex; align-items: center; gap: 10px;
}

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
}

.logo span { color: var(--green-600); }

.nav { display: flex; align-items: center; gap: 4px; }

.nav-link {
  font-family: var(--font-body);
  font-size: 0.88rem; font-weight: 500; color: var(--muted);
  padding: 8px 14px; border-radius: 99px;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  background: var(--green-100);
  color: var(--green-700);
}

.menu-toggle {
  display: none; background: none; border: none;
  font-size: 1.5rem; color: var(--text); cursor: pointer;
}

/* =============================================
   REVEAL
============================================= */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.show { opacity: 1; transform: translateY(0); }

/* =============================================
   HERO
============================================= */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  position: relative; overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 30%, rgba(22,163,74,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 10% 80%, rgba(245,158,11,0.08) 0%, transparent 60%);
}

.hero-dots {
  position: absolute; inset: 0; z-index: 0;
  background-image: radial-gradient(circle, rgba(22,163,74,0.18) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green-100); color: var(--green-700);
  font-family: var(--font-body);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 6px 14px; border-radius: 99px;
  margin-bottom: 20px; border: 1px solid var(--border-strong);
}

.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green-500);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -0.03em; color: var(--green-900);
  margin-bottom: 20px;
}

.hero h1 .hl { color: var(--green-600); }

.hero-desc {
  max-width: 650px;
  margin: 0 auto 32px;
}

.hero-actions {
  justify-content: center;
}

.btn-hero {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 99px; font-weight: 600;
  font-family: var(--font-body);
  font-size: 0.95rem; transition: var(--transition); cursor: pointer; border: none;
}

.btn-hero-primary {
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: #fff; box-shadow: 0 6px 24px rgba(22,163,74,0.35);
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(22,163,74,0.45);
}

.btn-hero-secondary {
  background: var(--surface-strong); color: var(--green-800);
  border: 1px solid var(--border-strong); box-shadow: var(--shadow-sm);
}

.btn-hero-secondary:hover {
  transform: translateY(-2px); box-shadow: var(--shadow);
}

.hero-badges {
  justify-content: center;
  padding-top: 4%;
}

.badge {
  background: var(--surface-strong); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 99px;
  font-family: var(--font-body);
  font-size: 0.82rem; font-weight: 500; color: var(--green-700);
}

/* Right panel */
.hero-visual {
  display: grid; gap: 14px; grid-template-columns: 1fr 1fr;
  padding: auto;
  padding-top: 5%;
}

.hero-card {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.hero-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.hero-card-wide { grid-column: 1 / -1; }

.hero-card-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px; font-size: 1.4rem;
}

.icon-green { background: var(--green-100); }
.icon-amber { background: var(--amber-100); }
.icon-earth { background: var(--earth-100); }

.hero-card h4 {
  font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700;
  color: var(--green-900); margin-bottom: 6px;
}

.hero-card p { 
  font-family: var(--font-body);
  font-size: 0.85rem; color: var(--muted); line-height: 1.6; 
}

.hero-stat-row { display: flex; gap: 10px; }

.hero-stat {
  flex: 1; text-align: center;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  border-radius: var(--radius-sm); padding: 18px 10px; color: #fff;
}

.hero-stat h3 {
  font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800;
}

.hero-stat p { 
  font-family: var(--font-body);
  font-size: 0.78rem; opacity: 0.85; margin-top: 2px; color: #fff; 
}

/* =============================================
   SECTION SHARED
============================================= */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-label {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  font-family: var(--font-body);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green-600); background: var(--green-100);
  border: 1px solid var(--border-strong);
  padding: 5px 14px; border-radius: 99px; margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.03em;
  color: var(--green-900); margin-bottom: 14px;
}

.section-subtitle {
  font-family: var(--font-body);
  color: var(--muted); max-width: 680px; line-height: 1.8;
  font-size: 1rem;
}

.section-header { margin-bottom: 52px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-subtitle { margin: 0 auto; }

/* =============================================
   DOMAIN / RESEARCH SECTION
============================================= */
.domain-grid {
  display: grid;
  gap: 22px;
  margin-top: 10px;
}

.domain-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(22, 163, 74, 0.12);
  border-radius: 24px;
  padding: 24px 28px;
  box-shadow: 0 10px 30px rgba(5, 46, 22, 0.08);
  transition: all 0.3s ease;
}

.domain-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 38px rgba(5, 46, 22, 0.12);
}

.domain-dropdown summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  font-size: 1.3rem;
  font-weight: 800;
  color: #0b4f49;
  line-height: 1.4;
  padding-right: 48px;
  transition: color 0.3s ease;
}

.domain-dropdown summary::-webkit-details-marker {
  display: none;
}

.domain-dropdown summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(11, 79, 73, 0.08);
  color: #0f766e;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.domain-dropdown[open] summary::after {
  content: "−";
  background: #0b4f49;
  color: #ffffff;
}

.domain-content {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(15, 118, 110, 0.12);
  display: grid;
  gap: 12px;
}

.domain-content p,
.domain-content li {
  font-size: 1rem;
  color: #0b4f49;
  line-height: 1.75;
}

.domain-content ul {
  margin: 0;
  padding-left: 20px;
}

.domain-content li + li {
  margin-top: 10px;
}

.domain-card:has(.domain-dropdown[open]) {
  border-color: rgba(11, 79, 73, 0.18);
  box-shadow: 0 18px 42px rgba(11, 79, 73, 0.12);
}

.domain-note {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
}

.method-title {
  margin-top: 20px;
  margin-bottom: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: #0b4f49;
}

.method-img {
  width: 100%;
  max-width: 700px;
  margin: 15px auto;
  display: block;
  border-radius: 14px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 10px;
}

.method-grid img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.method-grid img:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.1);
}

/* =============================================
   OBJECTIVES / TEAM TABLE
============================================= */
.objectives-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px; margin-top: 40px;
}

.obj-card {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative; overflow: hidden;
}

.obj-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-300));
}

.obj-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.obj-member {
  font-family: var(--font-body);
  font-size: 0.78rem; font-weight: 600; color: var(--green-600);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px;
}

.obj-card h4 {
  font-family: var(--font-heading); font-weight: 700; font-size: 1rem;
  color: var(--green-900); margin-bottom: 12px;
}

.obj-card p { 
  font-family: var(--font-body);
  font-size: 0.9rem; color: var(--muted); line-height: 1.75; 
}

.novelty-chip {
  display: inline-block; background: var(--green-100); color: var(--green-700);
  font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 600; padding: 4px 10px;
  border-radius: 99px; margin-top: 12px; border: 1px solid var(--border-strong);
}

/* =============================================
   TECHNOLOGIES SLIDER
============================================= */
.tech-section {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 0; overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin: 0 auto; width: min(92%, var(--max-width));
}

.tech-header { text-align: center; padding: 0 30px 30px; }
.tech-header h3 {
  font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800;
  color: var(--green-900); margin-bottom: 8px;
}
.tech-header p { 
  font-family: var(--font-body);
  color: var(--muted); font-size: 0.95rem; 
}

.tech-slider { overflow: hidden; position: relative; }

.tech-slider::before, .tech-slider::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 80px;
  z-index: 2; pointer-events: none;
}
.tech-slider::before { left: 0; background: linear-gradient(to right, var(--surface-strong), transparent); }
.tech-slider::after  { right: 0; background: linear-gradient(to left, var(--surface-strong), transparent); }

.tech-track {
  display: flex; gap: 24px; animation: slide 28s linear infinite;
  width: max-content; padding: 4px 0;
}

@keyframes slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.tech-track:hover { animation-play-state: paused; }

.tech-item {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px 20px; min-width: 110px;
  transition: var(--transition);
}

.tech-item:hover {
  transform: translateY(-4px); border-color: var(--green-400);
  box-shadow: var(--shadow);
}

.tech-item img { width: 44px; height: 44px; object-fit: contain; border-radius: 8px; }
.tech-item span { 
  font-family: var(--font-body);
  font-size: 0.8rem; font-weight: 600; color: var(--green-800); 
}

/* =============================================
   MILESTONES
============================================= */
.milestones-section { background: var(--green-900); padding: 96px 0; }

.milestones-section .section-title { color: #fff; }
.milestones-section .section-subtitle { color: var(--green-300); }
.milestones-section .section-label { color: var(--green-300); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); }

.timeline { position: relative; padding-left: 28px; }

.timeline::before {
  content: ''; position: absolute; left: 7px; top: 0; bottom: 0;
  width: 2px; background: rgba(74,222,128,0.25); border-radius: 2px;
}

.timeline-item {
  position: relative; margin-bottom: 6px;
}

.timeline-item summary {
  display: flex; align-items: center; gap: 16px; padding: 16px 20px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm); cursor: pointer; list-style: none;
  transition: var(--transition);
}

.timeline-item summary::-webkit-details-marker { display: none; }

.timeline-item[open] summary {
  background: rgba(74,222,128,0.1); border-color: rgba(74,222,128,0.25);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.timeline-dot {
  position: absolute; left: -24px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--green-500); border: 3px solid var(--green-900);
  box-shadow: 0 0 0 2px var(--green-500);
  flex-shrink: 0;
}

.timeline-item summary:hover { background: rgba(255,255,255,0.08); }

.timeline-title {
  font-family: var(--font-heading); font-weight: 600; font-size: 0.95rem; color: #fff;
  flex: 1;
}

.timeline-date {
  font-family: var(--font-body);
  font-size: 0.8rem; color: var(--green-400); font-weight: 500;
  white-space: nowrap;
}

.timeline-chevron { color: var(--green-400); font-size: 0.8rem; transition: transform 0.3s; }
.timeline-item[open] .timeline-chevron { transform: rotate(180deg); }

.timeline-body {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-top: none; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 16px 20px; 
  font-family: var(--font-body);
  color: var(--green-300); font-size: 0.9rem; line-height: 1.75;
}

.timeline-body strong { color: #fff; }

.timeline-mark {
  display: inline-block; background: rgba(74,222,128,0.2);
  color: var(--green-400); font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 700;
  padding: 3px 10px; border-radius: 99px; margin-top: 8px;
}

/* =============================================
   DOCUMENTS
============================================= */
.docs-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.doc-card {
  background: var(--surface-strong); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 24px;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  display: flex; flex-direction: column; gap: 14px;
}

.doc-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.doc-icon-row { display: flex; align-items: center; gap: 12px; }

.doc-icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--green-100); display: flex; align-items: center;
  justify-content: center; font-size: 1.4rem; flex-shrink: 0;
}

.doc-type-chip {
  font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 600; padding: 4px 10px;
  border-radius: 99px; border: 1px solid var(--border);
  background: var(--bg-alt); color: var(--muted);
}

.doc-status {
  font-family: var(--font-body);
  font-size: 0.72rem; font-weight: 700; padding: 4px 10px;
  border-radius: 99px; text-transform: uppercase; letter-spacing: 0.05em;
}

.status-done  { background: var(--green-100); color: var(--green-700); }
.status-review{ background: var(--amber-100); color: #92400e; }
.status-soon  { background: #f1f5f9; color: #64748b; }

.doc-card h3 {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 700;
  color: var(--green-900);
}

.doc-card p { 
  font-family: var(--font-body);
  font-size: 0.88rem; color: var(--muted); line-height: 1.7; flex: 1; 
}

.doc-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-body);
  font-size: 0.85rem; font-weight: 600; color: var(--green-600);
  padding: 10px 18px; border-radius: 99px;
  border: 1.5px solid var(--border-strong); background: var(--bg-alt);
  transition: var(--transition); align-self: flex-start;
}

.doc-btn:hover { background: var(--green-100); border-color: var(--green-400); }

/* =============================================
   SLIDES
============================================= */
.slides-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.slide-card {
  background: var(--surface-strong); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  display: flex; flex-direction: column; gap: 14px;
}

.slide-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.slide-icon {
  width: 50px; height: 50px; border-radius: 14px;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  display: flex; align-items: center; justify-content: center; color: #fff;
}

.slide-icon i { width: 28px; height: 28px; }
.slide-card h3 {
  font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem;
  color: var(--green-900);
}

.slide-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.slide-tags span {
  font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 600; padding: 4px 10px;
  border-radius: 99px; background: var(--green-100); color: var(--green-700);
  border: 1px solid var(--border-strong);
}

.slide-card p { 
  font-family: var(--font-body);
  font-size: 0.88rem; color: var(--muted); line-height: 1.75; flex: 1; 
}

.slide-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-body);
  font-size: 0.85rem; font-weight: 600; color: #fff;
  padding: 10px 20px; border-radius: 99px;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  transition: var(--transition); align-self: flex-start;
  box-shadow: 0 4px 14px rgba(22,163,74,0.3);
}

.slide-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22,163,74,0.4);
}

/* =============================================
   ABOUT / TEAM
============================================= */
.about-section {
  position: relative;
}

.about-header {
  text-align: center;
  margin-bottom: 50px;
}

.about-label {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(22, 163, 74, 0.12);
  color: var(--green-700);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.about-university {
  display: inline-block;
  text-align: center;
  color: var(--muted);
  font-weight: 600;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 18px;
  margin: 14px auto 0;
  box-shadow: var(--shadow-sm);
}

.about-grid {
  align-items: stretch;
}

.supervisor-grid {
  max-width: 760px;
  margin: 0 auto 32px;
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 20px;
}

.team-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.about-grid > div:empty {
  display: none;
}

.member-card {
  text-align: center;
  padding: 24px 20px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.member-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.member-image-wrap {
  position: relative;
  width: fit-content;
  margin: 0 auto 20px;
}

.member-img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 24px;
  border: 4px solid rgba(22, 163, 74, 0.12);
  box-shadow: 0 14px 28px rgba(5, 46, 22, 0.12);
}

.member-info {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.member-info h4 {
  color: var(--green-900);
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.member-role {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(22, 163, 74, 0.12);
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 700;
}

.member-dep,
.member-email {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 8px;
}

.member-dep {
  margin-bottom: 10px;
}

.member-email a {
  color: var(--muted);
  font-weight: 600;
  transition: var(--transition);
  word-break: break-word;
}

.member-email a:hover {
  text-decoration: underline;
  color: var(--green-800);
}

.member-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 10px 20px rgba(22, 163, 74, 0.18);
}

.member-link span {
  transition: transform 0.3s ease;
}

.member-link:hover {
  transform: translateY(-2px);
}

.member-link:hover span {
  transform: translate(3px, -2px);
}

/* =============================================
   MODULES GRID
============================================= */
.modules-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px; margin-top: 40px;
}

.module-card {
  background: var(--surface-strong); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 24px;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}

.module-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }

.module-num {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff; font-family: var(--font-heading); font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}

.module-card h4 {
  font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem;
  color: var(--green-900); margin-bottom: 10px;
}

.module-card p { 
  font-family: var(--font-body);
  font-size: 0.88rem; color: var(--muted); line-height: 1.7; 
}

/* =============================================
   DEMO
============================================= */
.demo-card {
  background: var(--surface-strong); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}

.demo-info { padding: 48px 40px; }

.demo-info h3 {
  font-family: var(--font-heading); font-size: 1.7rem; font-weight: 800;
  color: var(--green-900); margin-bottom: 16px;
}

.demo-info p { 
  font-family: var(--font-body);
  color: var(--muted); line-height: 1.8; margin-bottom: 24px; 
}

.demo-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }

.demo-tags span {
  font-family: var(--font-body);
  font-size: 0.8rem; font-weight: 600; padding: 6px 14px;
  border-radius: 99px; background: var(--green-100); color: var(--green-700);
  border: 1px solid var(--border-strong);
}

.demo-thumb {
  background: linear-gradient(135deg, var(--green-800), var(--green-900));
  display: flex; align-items: center; justify-content: center;
  min-height: 280px; position: relative;
}

.demo-thumb-inner {
  text-align: center; color: rgba(255,255,255,0.7);
}

.play-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(255,255,255,0.15); backdrop-filter: blur(8px);
  border: 2px solid rgba(255,255,255,0.3);
  font-size: 1.8rem; color: #fff; cursor: pointer;
  transition: var(--transition); text-decoration: none;
}

.play-btn:hover {
  background: rgba(255,255,255,0.25); transform: scale(1.08);
}

.demo-label-text {
  font-family: var(--font-body);
  margin-top: 14px; font-size: 0.9rem; letter-spacing: 0.05em; color: rgba(255,255,255,0.6);
}

/* =============================================
   CONTACT
============================================= */
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 28px;
}

.contact-info {
  background: linear-gradient(160deg, var(--green-800), var(--green-900));
  border-radius: var(--radius-lg); padding: 40px 32px; color: #fff;
}

.contact-info h3 {
  font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800;
  margin-bottom: 28px;
}

.contact-item {
  display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start;
}

.contact-item-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(255,255,255,0.12); display: flex;
  align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0;
}

.contact-item strong { 
  display: block; font-size: 0.85rem; opacity: 0.7; margin-bottom: 4px;
  font-family: var(--font-body);
}
.contact-item p { 
  font-family: var(--font-body);
  font-size: 0.95rem; color: rgba(255,255,255,0.9); 
}

.contact-note {
  margin-top: 32px; padding: 16px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08); 
  font-family: var(--font-body);
  font-size: 0.85rem; color: var(--green-300);
}

.contact-form-card {
  background: var(--surface-strong); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px 32px;
  box-shadow: var(--shadow);
}

.contact-form-card h3 {
  font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800;
  color: var(--green-900); margin-bottom: 24px;
}

.form-group { margin-bottom: 16px; }

.form-group input, .form-group textarea {
  width: 100%; padding: 13px 16px;
  font-family: var(--font-body);
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-alt); color: var(--text);
  transition: var(--transition); font-size: 0.95rem; outline: none;
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--green-500);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(74,222,128,0.15);
}

.contact-btn {
  width: 100%; padding: 14px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: #fff; font-weight: 700; font-family: var(--font-body);
  font-size: 1rem;
  border: none; cursor: pointer; transition: var(--transition);
  box-shadow: 0 4px 16px rgba(22,163,74,0.3);
}

.contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(22,163,74,0.4);
}

.form-status { 
  margin-top: 12px; 
  font-family: var(--font-body);
  font-size: 0.9rem; text-align: center; 
}
.form-status.success { color: var(--green-600); }
.form-status.error   { color: #dc2626; }
.form-status.sending { color: var(--muted); }

/* =============================================
   PROJECT INFO BANNER
============================================= */
.project-meta {
  justify-content: center;
  text-align: center;
  flex-wrap: wrap;
}

.meta-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface-strong); border: 1px solid var(--border);
  padding: 10px 18px; border-radius: 99px; box-shadow: var(--shadow-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.meta-chip-label { color: var(--muted); }
.meta-chip-value { font-weight: 700; color: var(--green-800); }

/* =============================================
   FOOTER
============================================= */
.footer {
  background: var(--green-900); color: rgba(255,255,255,0.6);
  padding: 36px 0; text-align: center;
}

.footer-logo {
  font-family: var(--font-heading); font-size: 1.2rem; font-weight: 800;
  color: #fff; margin-bottom: 8px;
}

.footer-logo span { color: var(--green-400); }
.footer p { 
  font-family: var(--font-body);
  font-size: 0.85rem; 
}

.footer-links { display: flex; justify-content: center; gap: 28px; margin-top: 16px; }

.footer-links a {
  font-family: var(--font-body);
  font-size: 0.82rem; color: var(--green-400); transition: var(--transition);
}

.footer-links a:hover { color: #fff; }

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 992px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .demo-card { grid-template-columns: 1fr; }
  .demo-thumb { min-height: 220px; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .menu-toggle { display: block; }
  .nav {
    display: none; position: fixed; top: 72px; left: 0; right: 0;
    background: rgba(248,255,254,0.97); backdrop-filter: blur(20px);
    flex-direction: column; gap: 6px; padding: 20px; border-bottom: 1px solid var(--border);
  }
  .nav.show { display: flex; }
  .nav-link { width: 100%; text-align: center; padding: 12px; }
}

@media (max-width: 600px) {
  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 1.9rem; }
  .section { padding: 64px 0; }
  .domain-grid, .team-grid, .slides-grid, .modules-grid { grid-template-columns: 1fr; }
  .supervisor-grid { grid-template-columns: 1fr; }
  .member-img { width: 140px; height: 140px; border-radius: 20px; }
  .hero-stat-row { flex-direction: column; }
  .demo-info { padding: 32px 24px; }
  .demo-info h3 { font-size: 1.3rem; }
  .contact-info, .contact-form-card { padding: 28px 20px; }
}