/* ═══════════════════════════════════════════════════════════
   PANCHMELA — Educational Program Website
   Inspired by architectural poster design
   Green, Sustainable, Aesthetic, Educational
═══════════════════════════════════════════════════════════ */

/* ── CSS VARIABLES ── */
:root {
  /* Light Theme - Sacramento x Evergreen */
  --color-bg: #f3efe5;
  --color-bg-alt: #f7f2e9;
  --color-surface: #f4eee2;
  --color-surface-elevated: #efe6d8;
  --color-surface-rgb: 244, 238, 226;
  
  --color-primary: #1d5a43;
  --color-primary-rgb: 29, 90, 67;
  --color-primary-light: #2f775b;
  --color-primary-dark: #123d2f;
  --color-primary-pale: #e2ede4;
  
  --color-accent: #9a7547;
  --color-accent-rgb: 154, 117, 71;
  --color-accent-light: #c1a178;
  --color-on-primary: #f7f1e5;
  
  --color-text: #112019;
  --text-secondary: #355246;
  --text-muted: #5e766d;
  --text-light: #8ba097;
  
  --border-color: rgba(47, 41, 31, 0.10);
  --border-strong: rgba(47, 41, 31, 0.18);
  
  --shadow-sm: 0 4px 12px rgba(47, 41, 31, 0.06);
  --shadow-md: 0 12px 24px rgba(47, 41, 31, 0.08);
  --shadow-lg: 0 24px 48px rgba(47, 41, 31, 0.10);
  
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-xl: 48px;
  
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Manrope', 'Plus Jakarta Sans', system-ui, sans-serif;
  
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
  --color-bg: #102118;
  --color-bg-alt: #162c21;
  --color-surface: #1b3327;
  --color-surface-elevated: #214033;
  --color-surface-rgb: 27, 51, 39;
  
  --color-primary: #315340;
  --color-primary-rgb: 49, 83, 64;
  --color-primary-light: #4f775f;
  --color-primary-dark: #21392d;
  --color-primary-pale: rgba(79, 119, 95, 0.16);
  
  --color-accent: #b08b57;
  --color-accent-rgb: 176, 139, 87;
  --color-accent-light: #d0b182;
  --color-on-primary: #f4e8d5;
  
  --color-text: #f2eadb;
  --text-secondary: #ddcfb8;
  --text-muted: #bcae96;
  --text-light: #8e866f;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 12px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

/* ── RESET & BASE ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  color-scheme: light;
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* Animated background gradient */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(47, 119, 91, 0.07), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(188, 170, 138, 0.14), transparent);
  pointer-events: none;
  z-index: -1;
  animation: gradientShift 20s ease-in-out infinite;
}

[data-theme="dark"] body::before {
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(127, 176, 149, 0.16), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(90, 141, 116, 0.12), transparent);
}

@keyframes gradientShift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(2%, -2%) scale(1.02); }
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ── NAVIGATION ── */
.main-nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 1280px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 8px 24px;
  background: rgba(var(--color-surface-rgb), 0.85);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border: 1px solid var(--border-strong);
  border-radius: 99px;
  box-shadow: 
    0 4px 20px rgba(47, 41, 31, 0.08),
    0 1px 0 rgba(255, 255, 255, 0.1) inset,
    0 -1px 0 rgba(0, 0, 0, 0.05) inset;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.main-nav > *,
.nav-brand,
.nav-links,
.nav-actions {
  display: flex;
  align-items: center;
}

.main-nav:hover {
  background: rgba(var(--color-surface-rgb), 0.92);
  box-shadow: 
    0 8px 32px rgba(47, 41, 31, 0.12),
    0 1px 0 rgba(255, 255, 255, 0.15) inset;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  width: 58px;
  height: 58px;
  border-radius: 0;
  object-fit: contain;
  border: 0;
  padding: 2px;
  background: transparent;
}

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

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: rgba(var(--color-surface-rgb), 0.5);
  border-radius: 99px;
  border: 1px solid var(--border-color);
}

.nav-link {
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 999px;
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.25);
}

/* Nav dropdown styling */
.nav-dropdown {
  position: relative;
}

.nav-dropdown .dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dropdown-arrow {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 200px;
  background: rgba(var(--color-surface-rgb), 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-primary-pale);
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  background: rgba(var(--color-surface-rgb), 0.5);
  border-radius: 99px;
  border: 1px solid var(--border-color);
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--color-surface);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
}

.icon-btn:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* Donate button in nav */
.donate-btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-on-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 999px;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.3);
}

.donate-btn-nav svg {
  width: 16px;
  height: 16px;
}

.donate-btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.4);
}


.login-btn {
  padding: 10px 24px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.22);
}

.login-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--color-primary-rgb), 0.28);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

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

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

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

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(var(--color-surface-rgb), 0.96);
  backdrop-filter: blur(20px);
  padding: 24px;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid var(--border-color);
  z-index: 999;
}

.mobile-link {
  padding: 12px 0;
  font-size: 1.1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
}

.mobile-login-btn {
  padding: 14px 24px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}

/* ── HERO SECTION ── */
.hero-section {
  min-height: 100vh;
  padding: 120px 48px 48px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
  flex: 1;
}

.hero-vision {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
  padding: 6px 12px;
  background: rgba(var(--color-accent-rgb), 0.10);
  border-radius: 4px;
  width: fit-content;
}

.section-tag.centered {
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 90%;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.feature-icon {
  color: var(--color-primary-light);
  font-size: 0.8rem;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.cta-primary, .cta-secondary {
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cta-primary {
  background: var(--color-primary-dark);
  color: var(--color-on-primary);
  border: none;
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.2);
}

.cta-primary:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(var(--color-primary-rgb), 0.28);
}

.cta-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--border-strong);
}

.cta-secondary:hover {
  background: var(--color-surface-elevated);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.cta-primary.large, .cta-secondary.large {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-image-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-image-container:hover .hero-image {
  transform: scale(1.02);
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
}

.overlay-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(var(--color-surface-rgb), 0.95);
  color: var(--color-text);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 6px;
}

.building-params {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.param-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.param-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.param-value {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Concept Strip */
.concept-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 32px 48px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.concept-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.concept-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

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

.concept-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.concept-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.concept-arrow {
  font-size: 1.5rem;
  color: var(--text-light);
}

/* ── CONTEXT SECTION ── */
.context-section {
  padding: 80px 48px;
  background: var(--color-bg-alt);
}

.context-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  max-width: 1400px;
  margin: 0 auto;
  align-items: center;
}

.context-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.context-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 500;
  color: var(--color-text);
}

.context-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.context-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
  list-style: none;
  margin-top: 8px;
}

.context-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.list-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary-pale);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.context-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.context-image {
  width: 100%;
  height: auto;
}

/* ── PLANS SECTION ── */
.plans-section {
  padding: 100px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

.plans-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 500;
  color: var(--color-text);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  width: 100%;
}

.plan-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  transition: all var(--transition-normal);
}

.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.plan-card[role="button"] {
  cursor: pointer;
}

.plan-card.highlight {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.plan-card.highlight .plan-level,
.plan-card.highlight .plan-name {
  color: var(--color-on-primary);
}

.plan-card.highlight .plan-features li {
  color: rgba(var(--color-surface-rgb), 0.9);
}

.plan-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.plan-card.highlight .plan-circle {
  border-color: rgba(255,255,255,0.4);
}

.plan-level {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.plan-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
}

.plan-features {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.secret-plan-btn {
  border: 1px dashed var(--border-strong);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 10px 18px;
  font: inherit;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.secret-plan-btn:hover,
.secret-plan-btn:focus-visible {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.hero-image-wrap {
  position: relative;
  cursor: pointer;
}

.concept-narrative-section {
  padding: 96px 48px;
  background: linear-gradient(180deg, rgba(226, 239, 226, 0.35), transparent);
}

.concept-narrative-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.concept-narrative-title,
.hidden-founder-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.9rem);
  color: var(--color-text);
  margin-top: 10px;
}

.concept-narrative-copy,
.hidden-founder-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.concept-narrative-text,
.hidden-founder-card p {
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--text-secondary);
  text-align: justify;
}

.concept-narrative-visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  background: var(--color-surface);
}

.concept-narrative-image {
  width: 100%;
  height: auto;
  display: block;
}

.concept-video-link {
  display: block;
  color: inherit;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.concept-video-link:hover {
  transform: translateY(-4px);
}

.concept-video-thumb-wrap {
  position: relative;
  overflow: hidden;
}

.concept-video-thumb-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.14) 100%);
}

.concept-video-play {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: rgba(163, 34, 34, 0.92);
  color: #fff7ef;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.22);
  z-index: 1;
}

.concept-video-play svg {
  width: 34px;
  height: 34px;
  margin-left: 4px;
}

.concept-video-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(19, 24, 20, 0.82);
  color: #f7f1e5;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.concept-video-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px 18px;
}

.concept-video-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.concept-video-caption {
  display: block;
  font-size: 0.92rem;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hidden-founder-section {
  padding: 0 48px 96px;
}

.hidden-founder-card {
  max-width: 960px;
  margin: 0 auto;
  padding: 36px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.vision-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  padding: 24px;
}

.vision-overlay.active {
  display: flex;
}

.vision-overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 12, 0.7);
  backdrop-filter: blur(6px);
}

.vision-overlay-card {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  border-radius: var(--radius-xl);
  overflow: auto;
  max-height: calc(100vh - 48px);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  background: var(--color-surface);
}

.vision-overlay-image {
  width: 100%;
  height: auto;
  display: block;
  border-bottom: 1px solid var(--border-color);
}

.vision-overlay-copy {
  padding: 20px 24px 24px;
}

.vision-overlay-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: rgba(var(--color-primary-rgb), 0.82);
  color: var(--color-on-primary);
  font-size: 1.4rem;
  cursor: pointer;
}

.hidden-founder-signoff {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text);
}

/* ── SUSTAINABILITY SECTION ── */
.sustainability-section {
  padding: 100px 48px;
  background: var(--color-bg-alt);
}

.sustain-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.sustain-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.sustain-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 500;
  color: var(--color-text);
  margin: 16px 0;
}

.sustain-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.sustain-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sustain-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-normal);
}

.sustain-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.sustain-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.sustain-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.sustain-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ── CTA SECTION ── */
.cta-section {
  padding: 120px 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.cta-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  margin-top: 16px;
}

/* ── FOOTER ── */
.main-footer {
  padding: 64px 48px 32px;
  background: var(--color-surface);
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-color);
}

.footer-brand {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-brand-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-cta-banner {
  background: var(--color-surface-elevated);
  padding: 60px 48px;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer-cta-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-cta-content h3 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-text);
}

.footer-logo {
  width: 86px;
  height: 86px;
  border-radius: 0;
  object-fit: contain;
}

.footer-tagline {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-style: italic;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-col a, .footer-col span {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  max-width: 1400px;
  margin: 32px auto 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── LOGIN MODAL ── */
.login-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.login-modal.active {
  display: flex;
}

.login-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.login-modal-content {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.4s ease;
  border: 1px solid var(--border-color);
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(30px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-primary-pale);
  color: var(--color-text);
}

.modal-header {
  text-align: center;
  margin-bottom: 32px;
}

.modal-logo {
  width: 82px;
  height: 82px;
  border-radius: 0;
  margin: 0 auto 20px;
  object-fit: contain;
}

.modal-header h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.modal-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.modal-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  background: var(--color-bg-alt);
  padding: 4px;
  border-radius: 999px;
}

.tab-btn {
  flex: 1;
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.tab-content {
  display: none;
}

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

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-group input,
.form-group select {
  padding: 14px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.form-group select {
  cursor: pointer;
}

.submit-btn {
  padding: 14px 24px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 8px;
}

.submit-btn:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.forgot-link {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-primary-light);
  margin-top: 8px;
}

.forgot-link:hover {
  text-decoration: underline;
}

/* ── RESPONSIVE ── */
@media (max-width: 1200px) {
  .plans-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .sustain-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .context-grid {
    grid-template-columns: 1fr;
  }
  
  .context-visual {
    order: -1;
  }
  
  .concept-strip {
    flex-wrap: wrap;
    gap: 24px;
  }
  
  .concept-arrow {
    display: none;
  }
}

@media (max-width: 768px) {
  .main-nav {
    top: 16px;
    width: calc(100% - 20px);
    height: 60px;
    padding: 0 16px;
  }
  
  .nav-brand {
    gap: 10px;
    min-width: 0;
  }
  
  .nav-logo {
    width: 38px;
    height: 38px;
  }
  
  .brand-title {
    font-size: 1.1rem;
    white-space: nowrap;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
    flex: 0 0 auto;
  }
  
  .mobile-menu.active {
    display: flex;
  }
  
  .mobile-menu {
    top: 84px;
    left: 10px;
    right: 10px;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
  }
  
  .hero-section {
    padding: 100px 24px 40px;
  }
  
  .hero-features {
    grid-template-columns: 1fr;
  }
  
  .building-params {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .context-section,
  .plans-section,
  .sustainability-section {
    padding: 60px 24px;
  }
  
  .plans-grid {
    grid-template-columns: 1fr;
  }
  
  .sustain-cards {
    grid-template-columns: 1fr;
  }
  
  .cta-section {
    padding: 80px 24px;
  }
  
  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .login-modal-content {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .brand-subtitle {
    display: none;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .context-list {
    grid-template-columns: 1fr;
  }
  
  .concept-item {
    flex-direction: column;
    text-align: center;
  }
}

/* ── ANIMATIONS ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Hover effects */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
body[data-theme="dark"] {
  color-scheme: dark;
}

/* ═══════════════════════════════════════════════════════════
   NEW HOMEPAGE STYLES - Mission First Design
═══════════════════════════════════════════════════════════ */

/* ── Navigation Dropdowns ── */
.nav-dropdown {
  position: relative;
}

.dropdown-arrow {
  width: 16px;
  height: 16px;
  margin-left: 4px;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 20px;
  color: var(--color-text);
  font-size: 0.9rem;
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-light);
}

.nav-link-highlight {
  background: var(--color-primary);
  color: var(--color-surface) !important;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}

.nav-link-highlight:hover {
  background: var(--color-primary-light);
}

/* Brand link */
.brand-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

/* ── Mobile Menu Sections ── */
.mobile-menu-section {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.mobile-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding: 0 24px;
}

.mobile-link-highlight {
  color: var(--color-primary-light);
  font-weight: 600;
}

/* ── Hero Minimal ── */
.hero-minimal {
  min-height: auto;
  padding: 180px 0 80px;
}

.hero-minimal .hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 0 24px;
}

.hero-label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
  margin-bottom: 24px;
}

.hero-title-large {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: 24px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtext {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
}

.hero-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-image-wrap {
  max-width: 700px;
  margin: 60px auto 0;
  padding: 0 24px;
}

.hero-image-main {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-image-caption {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Stats Bar ── */
.stats-bar {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-accent) 100%);
  padding: 32px 0;
}

.stats-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 0 24px;
}

.stat-item {
  text-align: center;
  color: var(--color-surface);
}

.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Strategy Section ── */
.strategy-section {
  padding: 100px 0;
  background: var(--color-bg);
}

.section-header {
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 0 24px;
}

.section-header.centered {
  text-align: center;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--color-text);
  margin: 16px 0 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
}

.strategy-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 0 24px;
}

.strategy-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--color-primary-light);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
  text-align: justify;
}

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

.strategy-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--color-accent);
}

.strategy-icon svg {
  width: 100%;
  height: 100%;
}

.strategy-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

.strategy-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Model Section (3 Pillars) ── */
.model-section {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.model-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 0 24px;
}

.model-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.model-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.model-number {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.15;
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
}

.model-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--color-text);
  position: relative;
}

.model-card > p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  text-align: justify;
}

.model-card ul {
  list-style: none;
}

.model-card li {
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.model-card li:last-child {
  border-bottom: none;
}

.model-card.academic {
  border-top: 4px solid var(--color-primary);
}

.model-card.practical {
  border-top: 4px solid var(--color-accent);
}

.model-card.cultural {
  border-top: 4px solid var(--color-primary-light);
}

/* ── CTA Download ── */
.cta-download {
  margin-top: 32px;
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary-light);
  font-size: 1rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.download-link:hover {
  color: var(--color-primary);
}

.download-link svg {
  width: 20px;
  height: 20px;
}

/* ── Plans CTA ── */
.plans-cta {
  text-align: center;
  margin-top: 48px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* ── Footer Updates ── */
.footer-address {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ── Responsive ── */
@media (max-width: 992px) {
  .strategy-grid,
  .model-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-minimal {
    padding: 100px 0 40px;
  }
  
  .hero-title-large {
    font-size: 2rem;
  }
  
  .hero-subtext {
    font-size: 1rem;
  }
  
  .hero-cta-row {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }
  
  .hero-cta-row > * {
    width: 100%;
  }
  
  .hero-image-wrap {
    margin-top: 36px;
    padding: 0 20px;
  }
  
  .hero-image-caption {
    font-size: 0.82rem;
    padding: 0 8px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 0 20px;
  }
  
  .stat-num {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.75rem;
  }
  
  .strategy-grid,
  .model-grid {
    grid-template-columns: 1fr;
  }
  
  .model-number {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .strategy-card,
  .model-card {
    padding: 24px;
  }
}

/* ═══════════════════════════════════════════════════════════
   COMPACT MODE & REALITY ALIGNMENT STYLES
═══════════════════════════════════════════════════════════ */

/* Compact section padding */
section {
  padding: 40px 24px;
}

.page-header {
  padding: 48px 24px 32px;
}

/* Compact typography */
h1 { margin-bottom: 12px; }
h2 { margin-bottom: 10px; }
h3 { margin-bottom: 8px; }

p {
  line-height: 1.5;
  margin-bottom: 10px;
}

/* Vertical spacing between large texts */
h1 + p, h2 + p, h3 + p {
  margin-top: 10px;
}

.section-tag + h2 {
  margin-top: 8px;
}

.page-subtitle {
  margin-top: 10px;
  line-height: 1.5;
}

/* Compact cards and grids */
.strategy-grid,
.model-grid,
.cards-grid {
  gap: 16px;
}

.strategy-card,
.model-card {
  padding: 20px;
}

/* Compact lists */
ul, ol {
  margin: 10px 0;
}

li {
  padding: 3px 0;
}

/* Donate Button Styles */
.donate-btn,
.donate-btn:visited,
.donate-btn-nav,
.donate-btn-nav:visited {
  background: linear-gradient(135deg, #1d5a43 0%, #2f775b 100%);
  color: #f7f1e5 !important;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(17, 32, 25, 0.08);
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(var(--color-primary-rgb), 0.18);
}

.donate-btn:hover,
.donate-btn-nav:hover {
  background: linear-gradient(135deg, #184835 0%, #275f49 100%);
  color: #f7f1e5 !important;
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(var(--color-primary-rgb), 0.24);
}

.donate-btn svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.donate-btn-nav {
  margin-left: 8px;
}

.donate-btn-hero {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.donate-btn-hero svg {
  width: 20px;
  height: 20px;
}

button.donate-btn,
button.donate-btn-nav {
  font: inherit;
}

/* Funding Disclaimer Banner */
.funding-banner {
  background: rgba(var(--color-accent-rgb), 0.12);
  border-left: 3px solid var(--color-accent);
  padding: 18px 24px;
  margin: 16px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: 0 8px 8px 0;
  line-height: 1.4;
}

.funding-banner strong {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .funding-banner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    padding: 16px;
  }
  
  .funding-banner .donate-btn {
    margin-left: 0;
    align-self: center;
  }
}

@media (max-width: 480px) {
  .funding-banner {
    font-size: 0.9rem;
    padding: 14px;
  }
}

/* Navigation equal spacing */
.nav-link, .dropdown-trigger {
  line-height: 1.4;
  padding: 4px 0;
}

/* Fixed/Sticky Image Container */
.sticky-image-container {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow: hidden;
}

.sticky-image-container img {
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
}

.image-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 12px;
  font-style: italic;
}

/* Apply Now link */
.apply-link {
  font-size: 0.85rem;
  color: var(--color-primary-light);
  text-decoration: none;
  margin-top: 8px;
  display: inline-block;
}

.apply-link:hover {
  text-decoration: underline;
}

/* Team placeholder with icon */
.team-card.placeholder .team-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
}

.team-card.placeholder .team-avatar svg {
  width: 40px;
  height: 40px;
  stroke: var(--text-muted);
}

/* Empty state for journal */
.empty-state {
  text-align: center;
  padding: 40px 24px;
  max-width: 500px;
  margin: 0 auto;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.empty-state h3 {
  margin-bottom: 8px;
}

/* Responsive for compact mode */
@media (max-width: 768px) {
  section {
    padding: 32px 20px;
  }
  
  .page-header {
    padding: 36px 20px 24px;
  }
  
  .sticky-image-container {
    position: relative;
    top: 0;
    max-height: none;
  }
  
  .donate-btn-nav {
    display: none; /* Hide in nav on mobile, show in menu */
  }

  .concept-narrative-section,
  .hidden-founder-section {
    padding: 48px 20px;
  }

  .concept-narrative-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hidden-founder-card {
    padding: 24px;
  }
  
  .concept-narrative-title,
  .hidden-founder-title {
    font-size: 2rem;
  }
  
  .concept-narrative-text,
  .hidden-founder-card p {
    font-size: 0.96rem;
    line-height: 1.7;
  }
  
  .concept-video-caption {
    padding: 12px 14px 16px;
    font-size: 0.82rem;
  }
  
  .vision-overlay {
    padding: 12px;
  }
  
  .vision-overlay-card {
    width: 100%;
    max-height: calc(100vh - 24px);
    border-radius: 24px;
  }
  
  .vision-overlay-copy.hidden-founder-card {
    padding: 18px 18px 22px;
  }
  
  .vision-overlay-close {
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 480px) {
  .main-nav {
    width: calc(100% - 16px);
    padding: 0 12px;
  }
  
  .brand-title {
    font-size: 1rem;
  }
  
  .hero-section {
    padding: 92px 16px 32px;
  }
  
  .hero-minimal .hero-content {
    padding: 0 16px;
  }
  
  .hero-title-large {
    font-size: 1.8rem;
    line-height: 1.1;
  }
  
  .hero-subtext {
    font-size: 0.95rem;
  }
  
  .hero-image-wrap {
    padding: 0 16px;
  }
  
  .stats-grid {
    gap: 12px;
    padding: 0 16px;
  }
  
  .stat-item {
    padding: 0 4px;
  }
  
  .strategy-card,
  .model-card,
  .plan-card {
    padding: 18px;
  }
  
  .plan-circle {
    width: 102px;
    height: 102px;
  }
  
  .mobile-menu {
    top: 78px;
    left: 8px;
    right: 8px;
    padding: 18px;
  }
}

/* ── DONATION SECTION STYLES ── */
.donation-section {
  padding: 80px 24px;
  background: var(--color-bg);
}

.donation-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}

.donation-poster {
  width: 100%;
  max-width: 800px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.donation-poster-image {
  width: 100%;
  height: auto;
  display: block;
}

.donation-counter {
  text-align: center;
  padding: 32px 48px;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.donation-counter-label {
  display: block;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.donation-counter-amount {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-primary);
  display: block;
}

.donation-wall-card {
  width: 100%;
  max-width: 760px;
  margin-top: 24px;
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  text-align: left;
}

.donation-wall-header {
  margin-bottom: 18px;
}

.donation-wall-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-text);
  margin: 10px 0 8px;
}

.donation-wall-copy {
  color: var(--text-secondary);
}

.donation-wall {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.donation-wall-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--color-bg-alt);
  border: 1px solid var(--border-color);
}

.donation-wall-name {
  color: var(--color-text);
  font-weight: 600;
}

.donation-wall-amount {
  color: var(--color-primary);
  font-weight: 700;
}

.donation-wall-empty {
  color: var(--text-muted);
  margin-top: 10px;
}

.donation-form-container {
  width: 100%;
  max-width: 600px;
  background: var(--color-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.donation-form-header {
  text-align: center;
  margin-bottom: 32px;
}

.donation-form-header .section-title {
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

.donation-form-subtext {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 1rem;
}

.donation-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.donation-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.donation-form label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.donation-form input[type="text"],
.donation-form input[type="email"],
.donation-form input[type="number"],
.donation-form input[type="file"] {
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.donation-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.donation-form input[type="file"] {
  cursor: pointer;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.donation-submit-btn {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-top: 8px;
}

.donation-submit-btn:hover {
  background: var(--color-primary-light);
}

.form-status {
  text-align: center;
  font-size: 0.9rem;
  margin-top: 12px;
  min-height: 20px;
}

.form-status.success {
  color: var(--color-primary);
}

.form-status.error {
  color: #ef4444;
}

.donation-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 2200;
}

.donation-modal.active {
  display: flex;
}

.donation-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 18, 13, 0.72);
  backdrop-filter: blur(8px);
}

.donation-modal-panel {
  position: relative;
  z-index: 1;
  width: min(1040px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: var(--color-surface);
  border-radius: 32px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.donation-modal-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
}

.donation-modal-media {
  padding: 36px;
  background:
    radial-gradient(circle at top left, rgba(47, 119, 91, 0.14), transparent 48%),
    linear-gradient(180deg, rgba(226, 239, 226, 0.38), rgba(243, 239, 229, 0.8));
  border-right: 1px solid var(--border-color);
}

.donation-modal-media h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.6rem);
  line-height: 1.1;
  color: var(--color-text);
  margin: 14px 0;
}

.donation-modal-media p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.donation-modal-qr {
  width: min(280px, 100%);
  margin: 28px auto 20px;
  border-radius: 24px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  background: #fff;
  padding: 12px;
}

.donation-modal-note {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.donation-modal-form-wrap {
  padding: 36px;
}

.donation-form-modal {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group textarea {
  padding: 14px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1rem;
  resize: vertical;
  min-height: 110px;
  transition: border-color var(--transition-fast);
}

.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.donation-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: rgba(var(--color-surface-rgb), 0.9);
  color: var(--color-text);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.donation-modal-close:hover {
  background: var(--color-primary-pale);
}

/* Responsive Design for Donation Section */
@media (max-width: 768px) {
  .donation-section {
    padding: 48px 20px;
  }
  
  .donation-container {
    gap: 32px;
  }
  
  .donation-counter {
    padding: 24px 32px;
  }
  
  .donation-counter-amount {
    font-size: 2.2rem;
  }
  
  .donation-form-container {
    padding: 28px;
  }
  
  .donation-form-header .section-title {
    font-size: 1.6rem;
  }
  
  .donation-form-subtext {
    font-size: 0.95rem;
  }

  .donation-modal {
    padding: 14px;
  }

  .donation-modal-grid {
    grid-template-columns: 1fr;
  }

  .donation-modal-media,
  .donation-modal-form-wrap {
    padding: 24px;
  }

  .donation-modal-media {
    border-right: 0;
    border-bottom: 1px solid var(--border-color);
  }
}

@media (max-width: 480px) {
  .donation-section {
    padding: 36px 16px;
  }
  
  .donation-counter {
    padding: 20px 24px;
  }
  
  .donation-counter-amount {
    font-size: 1.8rem;
  }
  
  .donation-form-container {
    padding: 20px;
  }
  
  .donation-form-header .section-title {
    font-size: 1.4rem;
  }
  
  .donation-submit-btn {
    padding: 14px 24px;
    font-size: 0.95rem;
  }
}