/* ============================================================
   KUKUZA AI LAB — Design System & Styles
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --color-brand-navy: #053881;
  --color-brand-teal: #07A0B4;

  /* Backgrounds */
  --color-bg-deep: #020c1b;
  --color-bg-primary: #0a1929;
  --color-bg-secondary: #0d2137;
  --color-bg-card: #0d2137;
  --color-bg-glass: rgba(7, 160, 180, 0.06);

  /* Text */
  --color-text-primary: #ffffff;
  --color-text-secondary: #b8cce4;
  --color-text-muted: #7a8faa;
  --color-text-accent: #07A0B4;

  /* Accents */
  --color-accent: #07A0B4;
  --color-accent-light: #0ad4e8;
  --color-accent-glow: rgba(7, 160, 180, 0.3);
  --color-accent-subtle: rgba(7, 160, 180, 0.1);

  /* Borders */
  --color-border: rgba(7, 160, 180, 0.15);
  --color-border-hover: rgba(7, 160, 180, 0.4);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #020c1b 0%, #053881 50%, #0a1929 100%);
  --gradient-card: linear-gradient(135deg, rgba(7, 160, 180, 0.08) 0%, rgba(5, 56, 129, 0.08) 100%);
  --gradient-accent: linear-gradient(135deg, #07A0B4 0%, #053881 100%);
  --gradient-text: linear-gradient(135deg, #07A0B4, #0ad4e8);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 120px 0;
  --container-width: 1440px;
  --container-padding: 0 32px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Shadows */
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(7, 160, 180, 0.15);
  --shadow-glow-strong: 0 0 60px rgba(7, 160, 180, 0.25);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  zoom: 0.9;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-deep);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-light);
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  line-height: 1.8;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

/* Brighter text inside bg-image sections */
.research .section-title,
.impact .section-title,
.contact .section-title {
  color: #ffffff;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.7);
}

.research .section-subtitle,
.impact .section-subtitle,
.contact .section-subtitle {
  color: #d0e4f7;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

.research .section-label,
.impact .section-label,
.contact .section-label {
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

/* Cards inside bg-image sections must be fully opaque */
.research .pillar-card,
.research .sdg-card,
.research .stat-card,
.impact .sdg-card,
.impact .beneficiary-card,
.contact .contact-item,
.contact .contact-form-card {
  background: #0d2137;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}


.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered children */
.stagger-children .reveal:nth-child(1) {
  transition-delay: 0.05s;
}

.stagger-children .reveal:nth-child(2) {
  transition-delay: 0.15s;
}

.stagger-children .reveal:nth-child(3) {
  transition-delay: 0.25s;
}

.stagger-children .reveal:nth-child(4) {
  transition-delay: 0.35s;
}

.stagger-children .reveal:nth-child(5) {
  transition-delay: 0.45s;
}

.stagger-children .reveal:nth-child(6) {
  transition-delay: 0.55s;
}

.stagger-children .reveal:nth-child(7) {
  transition-delay: 0.65s;
}

.stagger-children .reveal:nth-child(8) {
  transition-delay: 0.75s;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 32px 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: 24px 0;
  background: rgba(2, 12, 27, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  height: 24px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  border-radius: var(--radius-sm) !important;
  background: var(--gradient-accent) !important;
  color: #fff !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-glow) !important;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
  background: transparent;
  border: none;
  outline: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 100px 32px 120px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-deep);
  overflow: hidden; /* to contain the scaled ::before */
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(5, 56, 129, 0.97), rgba(2, 10, 25, 0.99)), url('assets/bg.jpg') center/cover no-repeat;
  transform: scale(var(--scroll-zoom, 1.2));
  transform-origin: center;
  transition: transform 0.1s ease-out;
  pointer-events: none;
  z-index: 0;
}

.hero-video-container {
  position: relative;
  width: 100%;
  max-width: var(--container-width);
  min-height: calc(100vh - 100px);
  border-radius: 24px 24px 0 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  /* Shift video down to show more of the top content */
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 56, 129, 0.3);
  /* Lighter navy overlay */
  z-index: 1;
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1200px;
  padding: 0 32px;
}

/* Inline icon within hero heading */
.hero-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  margin: 0 6px;
  width: 0.72em;
  height: 0.72em;
  position: relative;
  top: -0.06em;
}

.hero-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 8px rgba(7, 160, 180, 0.8));
}

/* Icon inside the accent (teal) span inherits a stronger teal glow */
.accent .hero-icon svg {
  filter: drop-shadow(0 0 10px rgba(7, 160, 180, 1));
}



.hero h1 {
  font-size: clamp(3.2rem, 7vw, 5.5rem);
  font-weight: 900;
  margin-bottom: 28px;
  letter-spacing: -2px;
  line-height: 1.05;
  animation: fadeInUp 0.8s ease 0.4s backwards;
  text-shadow: 0 6px 24px rgba(0, 0, 0, 0.7);
}

/* "No Community" — slightly lighter so "Left Behind" dominates */
.hero h1 .line-top {
  display: block;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
}

/* "Left Behind" — teal gradient with animated underline */
.hero h1 .accent {
  display: block;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  text-shadow: none;
}

.hero h1 .accent::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  border-radius: 2px;
  background: var(--gradient-accent);
  animation: underlineGrow 1.2s ease 1s backwards;
}

@keyframes underlineGrow {
  from {
    width: 0;
    opacity: 0;
  }

  to {
    width: 140px;
    opacity: 1;
  }
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.8;
  margin-bottom: 48px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.6s backwards;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.8s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  background: var(--gradient-accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
  color: var(--color-accent-light);
  transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeInUp 1s ease 1.2s backwards;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-border);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--color-accent);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% {
    top: -50%;
  }

  100% {
    top: 150%;
  }
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  padding: 0 0 120px 0; /* Removed top padding so hero background extends down */
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text {
  display: flex;
  flex-direction: column;
}

.about-text .section-subtitle {
  margin-bottom: 32px;
}

.about-quote {
  position: relative;
  padding: 24px 28px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-glass);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: 24px;
}

.about-quote p {
  font-size: 1rem;
  font-style: italic;
  color: var(--color-accent-light);
  line-height: 1.7;
}

.about-origin {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 10px 20px;
  border-radius: 50px;
  background: rgba(5, 56, 129, 0.3);
  border: 1px solid rgba(5, 56, 129, 0.5);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.about-origin .icon {
  font-size: 1rem;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ============================================================
   RESEARCH SECTION
   ============================================================ */
.research {
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
  background: transparent;
}

.research::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(5, 56, 129, 0.82), rgba(10, 25, 41, 0.88)), url('assets/bg.jpg') center/cover no-repeat;
  transform: scale(var(--scroll-zoom, 1.2));
  transform-origin: center;
  z-index: -1;
  pointer-events: none;
}

.research-header {
  text-align: center;
  margin-bottom: 64px;
}

.research-header .section-subtitle {
  margin: 0 auto;
}

.pillars-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 64px;
}

/* Card link-preview layout */
.card-preview-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: rgba(7, 160, 180, 0.05);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.card-preview-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.pillar-card:hover .card-preview-img img {
  transform: scale(1.05);
}

.card-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-source {
  display: inline-block;
  margin-top: auto;
  padding-top: 16px;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.8;
}

.pillar-card {
  flex: 1 1 300px;
  max-width: 400px;
  position: relative;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: all var(--transition-base);
}

.pillar-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-6px);
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  transition: all var(--transition-base);
}

.pillar-card:hover .pillar-icon {
  background: rgba(7, 160, 180, 0.2);
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.pillar-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pillar-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================================
   RESOURCE TABS
   ============================================================ */
.resource-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.tab-btn {
  background: rgba(2, 12, 27, 0.5);
  border: 1px solid rgba(7, 160, 180, 0.3);
  color: var(--color-text-secondary);
  padding: 12px 24px;
  border-radius: 50px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.tab-btn:hover {
  background: rgba(7, 160, 180, 0.1);
  color: #fff;
  border-color: rgba(7, 160, 180, 0.6);
}

.tab-btn.active {
  background: rgba(7, 160, 180, 0.2);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 0 15px rgba(7, 160, 180, 0.3);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
  display: block;
}

/* Languages — Marquee */
.languages-section {
  text-align: center;
  margin-top: 64px;
}

.languages-section h3 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.lang-marquee-wrapper {
  position: relative;
  overflow: hidden;
  /* fade edges */
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.lang-marquee-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: marqueeScroll 32s linear infinite;
}

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

@keyframes marqueeScroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.lang-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 50px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  transition: border-color 0.25s, background 0.25s;
  cursor: default;
}

.lang-chip:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.lang-chip-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.lang-chip-speakers {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-accent);
  background: rgba(7, 160, 180, 0.12);
  padding: 2px 8px;
  border-radius: 20px;
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects {
  padding: var(--section-padding);
  padding-top: calc(var(--section-padding) + 80px);
  /* extra room for overflowing phones */
  position: relative;
  overflow: visible;
}

.projects-header {
  text-align: center;
  margin-bottom: 64px;
}

.projects-header .section-subtitle {
  margin: 0 auto;
}

.project-featured {
  max-width: 900px;
  margin: 80px auto 80px;
  /* top margin gives breathing room for the overflowing image */
  border-radius: var(--radius-xl);
  background: linear-gradient(rgba(5, 56, 129, 0.95), rgba(2, 10, 25, 0.97)), url('assets/bg-1.jpg') center/cover no-repeat;
  border: 1px solid var(--color-border);
  overflow: visible;
  /* allow mockup to overflow upward */
  transition: all var(--transition-base);
}

.project-featured:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.project-featured-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

/* App mockup that overflows the card top */
.project-app-mockup {
  width: 140%;
  max-width: 620px;
  display: block;
  object-fit: contain;
  margin-top: -170px;
  /* a little more upward protrusion */
  margin-left: -16%;
  align-self: flex-end;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.45));
  transition: transform 0.4s ease, filter 0.4s ease;
  position: relative;
  z-index: 2;
}

.project-featured:hover .project-app-mockup {
  transform: translateY(-8px) scale(1.02);
  filter: drop-shadow(0 32px 64px rgba(0, 0, 0, 0.55));
}

.project-visual {
  position: relative;
  padding: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(7, 160, 180, 0.04);
  border-right: 1px solid var(--color-border);
  min-height: 320px;
}

.project-visual-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-accent-subtle);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
}

.project-visual-icon::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  animation: ringPulse 3s ease-in-out infinite;
}

@keyframes ringPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }

  50% {
    transform: scale(1.15);
    opacity: 0;
  }
}

.project-visual-icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.5;
}

.project-visual-waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 40px;
}

.project-visual-waveform .bar {
  width: 3px;
  border-radius: 3px;
  background: var(--color-accent);
  opacity: 0.3;
  animation: waveformPulse 1.5s ease-in-out infinite;
}

.project-info {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 50px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
  width: fit-content;
}

.project-status .dot {
  width: 6px;
  height: 6px;
  background: #10b981;
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

.project-info h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.project-info p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tag {
  padding: 6px 14px;
  border-radius: 50px;
  background: var(--color-accent-subtle);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-accent);
}

/* Coming Soon Card */
.project-coming-soon {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border);
  text-align: center;
  background: var(--color-bg-card);
}

.project-coming-soon p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.project-coming-soon .icon {
  font-size: 2rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ============================================================
   IMPACT / SDG SECTION
   ============================================================ */
.impact {
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
  background: transparent;
}

.impact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(5, 56, 129, 0.82), rgba(10, 25, 41, 0.88)), url('assets/bg.jpg') center/cover no-repeat;
  transform: scale(var(--scroll-zoom, 1.2));
  transform-origin: center;
  z-index: -1;
  pointer-events: none;
}

.impact-header {
  text-align: center;
  margin-bottom: 64px;
}

.impact-header .section-subtitle {
  margin: 0 auto;
}

.sdg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}

.sdg-card {
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition-base);
}

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

.sdg-icon-img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sdg-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-primary);
}

.sdg-card p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Beneficiaries */
.beneficiaries {
  text-align: center;
}

.beneficiaries h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--color-text-primary);
}

.beneficiary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.beneficiary-card {
  padding: 24px 20px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-base);
}

.beneficiary-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
}

.beneficiary-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.beneficiary-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.beneficiary-card p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ============================================================
   PARTNERS SECTION
   ============================================================ */
.partners {
  padding: var(--section-padding);
  position: relative;
}

.partners-header {
  text-align: center;
  margin-bottom: 64px;
}

.partners-header .section-subtitle {
  margin: 0 auto;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto 48px;
}

.partner-card {
  padding: 32px 24px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-base);
}

.partner-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.partner-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.partner-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.partner-card p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.partners-cta {
  text-align: center;
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border);
  background: var(--color-bg-glass);
}

.partners-cta p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  font-size: 1rem;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
  background: transparent;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(5, 56, 129, 0.82), rgba(10, 25, 41, 0.88)), url('assets/bg.jpg') center/cover no-repeat;
  transform: scale(var(--scroll-zoom, 1.2));
  transform-origin: center;
  z-index: -1;
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 20px;
}

.contact-info .section-subtitle {
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.contact-item:hover {
  border-color: var(--color-border-hover);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.5;
}

.contact-item h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Contact Form */
.contact-form-card {
  padding: 40px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.contact-form-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--color-text-primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

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

.form-submit {
  width: 100%;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  background: var(--gradient-accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  padding: 6px 0;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-funding {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sdg-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .beneficiary-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 80px 40px;
    border-left: none;
    transition: right var(--transition-base);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .project-featured-inner {
    grid-template-columns: 1fr;
  }

  .project-visual {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    min-height: 200px;
  }

  .sdg-grid {
    grid-template-columns: 1fr;
  }

  .beneficiary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .partners-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .beneficiary-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   MOBILE RESPONSIVE — COMPREHENSIVE
   ============================================================ */
@media (max-width: 768px) {
  /* === HERO === */
  .hero {
    padding: 80px 16px 0 16px;
  }

  .hero-video-container {
    min-height: calc(100vh - 80px);
    border-radius: 16px 16px 0 0;
  }

  .hero-content {
    padding: 0 20px;
  }

  /* === PROJECTS FEATURED CARD (index.html) === */
  .project-featured {
    margin: 40px auto 40px;
  }

  .project-featured-inner {
    grid-template-columns: 1fr !important;
  }

  .project-visual {
    display: none !important; /* hide protruding image on mobile — show text only */
  }

  .project-info {
    padding: 32px 24px !important;
  }

  /* === RESEARCH PAGE CARDS === */
  /* Make research items stack vertically and contain images */
  .research-item {
    grid-template-columns: 1fr !important;
    direction: ltr !important;
    overflow: hidden !important;
    margin-bottom: 40px !important;
    padding: 28px !important;
  }

  .research-item:nth-child(even) {
    direction: ltr !important;
  }

  .research-item:nth-child(even) > * {
    direction: ltr !important;
  }

  /* Contain protruding images inside card on mobile */
  .research-img-wrapper {
    margin-left: 0 !important;
    margin-right: 0 !important;
    order: -1; /* image goes on top */
  }

  .research-item:nth-child(odd) .research-img-wrapper,
  .research-item:nth-child(even) .research-img-wrapper {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .research-img {
    width: 100% !important;
    max-width: 100% !important;
    margin-top: 0 !important;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.4)) !important;
  }

  .research-img-wrapper-contained {
    order: -1;
  }

  .research-content h3 {
    font-size: 1.4rem !important;
  }

  .research-content p {
    font-size: 1rem !important;
  }

  /* === PROJECTS PAGE CARDS === */
  /* VisualAid card — contain image, stack vertically */
  .project-visual-wrapper {
    height: auto !important;
    min-height: unset !important;
    flex-direction: column !important;
    align-items: stretch !important;
    margin-top: 24px !important;
    overflow: hidden !important;
    padding: 28px !important;
  }

  .project-visual-img {
    position: static !important;
    width: 100% !important;
    height: auto !important;
    max-height: 340px !important;
    object-fit: contain !important;
    margin: 0 auto 24px !important;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.5)) !important;
  }

  .project-visual-content {
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding: 0 !important;
  }

  .project-visual-content h2 {
    font-size: 1.6rem !important;
  }

  /* HF dataset preview image inside VoTexUg card */
  .project-visual-wrapper > div[style*="position: absolute"] {
    position: static !important;
    width: 100% !important;
    transform: none !important;
    margin-top: 24px !important;
  }

  /* === SECTION TITLES === */
  .section-title {
    font-size: clamp(1.5rem, 5vw, 2rem) !important;
  }

  .page-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem) !important;
  }

  /* === ABOUT SECTION === */
  .about {
    padding: 0 0 80px 0 !important;
  }

  .about-grid {
    gap: 32px !important;
  }

  /* === CONTACT GRID === */
  .contact-grid {
    gap: 32px !important;
  }

  /* === GENERAL CONTAINER === */
  .container {
    padding: 0 20px !important;
  }

  /* === NAV LOGO === */
  .nav-logo img {
    height: 28px !important;
  }
}

@media (max-width: 480px) {
  /* === RESEARCH ITEM TYPOGRAPHY === */
  .research-content h3 {
    font-size: 1.2rem !important;
  }

  /* === PROJECT VISUAL CONTENT === */
  .project-visual-content h2 {
    font-size: 1.4rem !important;
  }

  .project-visual-content p {
    font-size: 0.9rem !important;
  }

  /* === BTN === */
  .btn-primary,
  .btn-secondary {
    font-size: 0.9rem;
    padding: 12px 20px;
  }

  /* === FOOTER === */
  .footer-grid {
    gap: 24px !important;
  }
}