:root {
  --bg-main: #060913;
  --bg-secondary: #0b1120;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 245, 212, 0.25);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-cyan: #00f5d4;
  --accent-blue: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --eu-blue: #003399;
  --eu-yellow: #ffcc00;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --shadow-glow: 0 0 35px rgba(0, 245, 212, 0.15);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(0, 245, 212, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(168, 85, 247, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(6, 9, 19, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
  transition: var(--transition);
}

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

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-group img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 245, 212, 0.3);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.logo-text span {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-selector {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.lang-selector:hover {
  border-color: var(--accent-cyan);
}

.btn-header-cta {
  background: linear-gradient(135deg, var(--accent-cyan), #00b4d8);
  color: #050811;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 245, 212, 0.25);
}

.btn-header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 245, 212, 0.4);
}

/* Hero Section */
.hero-section {
  padding: 70px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
}

.eu-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 51, 153, 0.25);
  border: 1px solid rgba(0, 51, 153, 0.5);
  color: #93c5fd;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.eu-pill-flag {
  display: inline-block;
  width: 16px;
  height: 11px;
  background: var(--eu-blue);
  border-radius: 2px;
  position: relative;
  box-shadow: 0 0 4px rgba(255, 204, 0, 0.5);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 580px;
}

/* Store Buttons side by side */
.store-badges-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 30px;
}

.store-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Google Play / APK Store Badge */
.store-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #111827;
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  padding: 12px 22px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  min-width: 220px;
  position: relative;
  overflow: hidden;
}

.store-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transform: translateX(-100%);
  transition: 0.5s;
}

.store-btn:hover::before {
  transform: translateX(100%);
}

.store-btn:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 24px rgba(0, 245, 212, 0.2);
}

.store-btn.apple-btn:hover {
  border-color: #38bdf8;
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.25);
}

.store-btn .store-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
}

.store-btn .store-text-group {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.store-btn .store-subtitle {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.store-btn .store-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: #fff;
}

.badge-tag {
  display: inline-block;
  background: rgba(0, 245, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 245, 212, 0.3);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

.store-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}

.store-note svg {
  color: var(--accent-cyan);
}

/* Key stats row */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  max-width: 560px;
}

.stat-item .stat-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Smartphone Simulator (The Web App Experience!) */
.phone-mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-glow-effect {
  position: absolute;
  width: 320px;
  height: 520px;
  background: radial-gradient(circle, rgba(0, 245, 212, 0.25) 0%, rgba(99, 102, 241, 0.15) 50%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}

.phone-frame {
  position: relative;
  z-index: 1;
  width: 340px;
  max-width: 100%;
  height: 690px;
  background: #02040a;
  border-radius: 48px;
  border: 10px solid #1e293b;
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.8),
    0 0 0 2px rgba(255, 255, 255, 0.1),
    0 0 40px rgba(0, 245, 212, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
}

/* Dynamic Island & Status Bar */
.phone-status-bar {
  height: 38px;
  padding: 8px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  background: #02040a;
}

.dynamic-island {
  width: 95px;
  height: 22px;
  background: #000;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
}

.island-camera {
  width: 9px;
  height: 9px;
  background: #111;
  border-radius: 50%;
  border: 1px solid #222;
}

.island-sensor {
  width: 7px;
  height: 7px;
  background: #050d1a;
  border-radius: 50%;
}

/* Phone Screen Content Container */
.phone-screen {
  flex: 1;
  background: #090e17;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
}

.phone-screen::-webkit-scrollbar {
  display: none;
}

/* App Header in Phone */
.app-header {
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(9, 14, 23, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
}

.app-brand-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.app-level-pill {
  background: rgba(0, 245, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 245, 212, 0.3);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
}

/* Phone Views */
.phone-view {
  display: none;
  padding: 16px;
  animation: fadeIn 0.25s ease-out;
}

.phone-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* View: Home */
.daily-tip-card {
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.15), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(0, 245, 212, 0.3);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 16px;
}

.daily-tip-badge {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.daily-tip-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: #fff;
}

.daily-tip-text {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 14px 0 10px;
}

.module-mini-card {
  background: rgba(18, 26, 43, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  cursor: pointer;
  transition: var(--transition);
}

.module-mini-card:hover {
  border-color: var(--accent-cyan);
  background: rgba(25, 36, 60, 0.95);
}

.module-mini-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.module-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: rgba(255, 255, 255, 0.06);
}

.module-mini-info h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.module-mini-info p {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.module-arrow {
  color: var(--accent-cyan);
  font-weight: bold;
  font-size: 0.85rem;
}

/* View: Learn & Quiz */
.quiz-box {
  background: rgba(18, 26, 43, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 10px;
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.quiz-question-tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.quiz-question-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 14px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-opt-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.quiz-opt-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.quiz-opt-btn.correct {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--success);
  color: #34d399;
}

.quiz-opt-btn.wrong {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--danger);
  color: #f87171;
}

.quiz-feedback {
  margin-top: 12px;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  display: none;
}

.quiz-feedback.show {
  display: block;
}

.quiz-feedback.correct-bg {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #a7f3d0;
}

.quiz-feedback.wrong-bg {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fecaca;
}

/* View: Resources (PDF Guides) */
.resource-item {
  background: rgba(18, 26, 43, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.resource-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pdf-icon-badge {
  background: #dc2626;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 4px 6px;
  border-radius: 4px;
}

.resource-info h5 {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
}

.resource-info p {
  font-size: 0.68rem;
  color: var(--text-dim);
}

.btn-pdf-dl {
  background: rgba(0, 245, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 245, 212, 0.3);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-pdf-dl:hover {
  background: var(--accent-cyan);
  color: #050811;
}

/* View: Alerts */
.alert-item-card {
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 10px;
  border-left: 3px solid;
}

.alert-item-card.danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--danger);
}

.alert-item-card.warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--warning);
}

.alert-item-card.info {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--accent-blue);
}

.alert-item-card h5 {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}

.alert-item-card p {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* Phone Bottom Tab Bar */
.phone-tab-bar {
  height: 60px;
  background: #02040a;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 4px;
}

.tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.65rem;
  font-weight: 600;
  cursor: pointer;
  gap: 3px;
  padding: 6px 10px;
  border-radius: 8px;
  transition: var(--transition);
}

.tab-btn svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.tab-btn.active {
  color: var(--accent-cyan);
}

.tab-btn:hover {
  color: #fff;
}

/* Simulator Hint Under Phone */
.sim-indicator {
  margin-top: 14px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.sim-indicator span {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 245, 212, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0); }
}

/* Section: Features */
.features-section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-subtext {
  font-size: 1.05rem;
  color: var(--text-muted);
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0, 245, 212, 0.1);
  border: 1px solid rgba(0, 245, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--accent-cyan);
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Section: Curriculum Modules */
.modules-section {
  padding: 80px 0;
  background: rgba(11, 17, 32, 0.5);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

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

.module-box {
  background: #0f172a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.module-box:hover {
  border-color: var(--accent-blue);
  transform: translateY(-3px);
}

.module-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.module-box h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.module-topics-list {
  list-style: none;
  margin: 16px 0;
}

.module-topics-list li {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.module-topics-list li::before {
  content: '•';
  color: var(--accent-cyan);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Section: Downloads & Install Guide */
.download-center {
  padding: 90px 0;
}

.download-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 960px;
  margin: 0 auto;
}

.dl-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.7));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
}

.dl-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.dl-platform-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.dl-card h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.dl-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.dl-meta {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.dl-meta code {
  color: var(--accent-cyan);
}

.btn-primary-dl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-cyan), #00b4d8);
  color: #050811;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
}

.btn-primary-dl:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 245, 212, 0.35);
}

.btn-secondary-dl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
}

.btn-secondary-dl:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #38bdf8;
}

/* Erasmus+ Accountability & Sustainability Banner */
.sustainability-banner {
  background: linear-gradient(135deg, rgba(0, 51, 153, 0.15), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(0, 51, 153, 0.35);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin: 60px auto 0;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 36px;
}

.sustainability-content h3 {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}

.sustainability-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.guarantee-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
}

.consortium-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.consortium-box h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.partner-item {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.partner-item strong {
  color: #fff;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  background: #03060c;
  padding: 50px 0 30px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-eu-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: 480px;
}

.footer-eu-logo {
  width: 50px;
  height: 34px;
  background: var(--eu-blue);
  border-radius: 3px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--eu-yellow);
  font-size: 0.6rem;
  font-weight: 900;
  border: 1px solid rgba(255, 204, 0, 0.3);
}

.footer-links h5 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-eu-banner-wrap {
  margin: 36px 0 28px;
}

.footer-eu-banner-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-eu-banner-card {
  background: #ffffff;
  padding: 14px 26px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 51, 153, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  max-width: 100%;
  box-sizing: border-box;
  flex-shrink: 0;
}

.footer-eu-banner-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5), 0 0 32px rgba(0, 51, 153, 0.35);
}

.footer-eu-large-logo {
  width: 100%;
  max-width: 380px;
  height: auto;
  display: block;
}

.footer-eu-banner-notice {
  max-width: 460px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--accent-cyan);
  padding: 14px 20px;
  border-radius: 10px;
  backdrop-filter: blur(8px);
}

.footer-eu-banner-notice p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: #cbd5e1;
}

.footer-eu-banner-notice strong {
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-description, .hero-stats {
    margin-left: auto;
    margin-right: auto;
  }
  .store-badges-row {
    justify-content: center;
  }
  .features-grid, .modules-grid {
    grid-template-columns: 1fr;
  }
  .download-cards-grid, .sustainability-banner {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-eu-banner-row {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  .footer-eu-banner-notice {
    text-align: center;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-top: 3px solid var(--accent-cyan);
  }
}

/* iOS Safari PWA Install Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 7, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #0d1527;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  max-width: 520px;
  width: 100%;
  padding: 32px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 245, 212, 0.15);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.modal-app-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  box-shadow: 0 4px 15px rgba(0, 245, 212, 0.3);
}

.modal-header-text h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 3px;
}

.modal-header-text p {
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.modal-steps-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 22px 0;
}

.modal-step-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 12px 16px;
}

.step-num-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 245, 212, 0.15);
  border: 1px solid rgba(0, 245, 212, 0.4);
  color: var(--accent-cyan);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-body h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-body p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-modal-primary {
  background: linear-gradient(135deg, var(--accent-cyan), #00b4d8);
  color: #050811;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 20px;
  border-radius: 12px;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-modal-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 245, 212, 0.4);
}

.btn-modal-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #93c5fd;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 10px 18px;
  border-radius: 10px;
  text-align: center;
  text-decoration: none;
  transition: var(--transition);
}

.btn-modal-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* Standalone Mobile App Mode (When added to Home Screen or opened via ?app=true) */

body.app-mode-active {
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  background-color: #02040a !important;
  background-image: none !important;
  height: 100vh !important;
  height: 100dvh !important;
}

body.app-mode-active .navbar,
body.app-mode-active .hero-text-content,
body.app-mode-active .sim-indicator,
body.app-mode-active .features-section,
body.app-mode-active .modules-section,
body.app-mode-active .download-center,
body.app-mode-active footer,
body.app-mode-active .modal-backdrop,
body.app-mode-active .phone-glow-effect {
  display: none !important;
}

body.app-mode-active .hero-section {
  padding: 0 !important;
  margin: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
}

body.app-mode-active .container {
  max-width: 100vw !important;
  padding: 0 !important;
  margin: 0 !important;
  width: 100% !important;
  height: 100% !important;
}

body.app-mode-active .hero-grid {
  display: block !important;
  width: 100% !important;
  height: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}

body.app-mode-active .phone-mockup-wrapper {
  width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
}

body.app-mode-active .phone-frame {
  width: 100vw !important;
  max-width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  margin: 0 !important;
  padding: 0 !important;
  background: #02040a !important;
}

/* Hide simulated fake status bar in standalone since real iOS status bar is present */
body.app-mode-active .phone-status-bar {
  display: none !important;
}

body.app-mode-active .app-header {
  padding-top: calc(12px + env(safe-area-inset-top, 0px)) !important;
  background: #090e17 !important;
}

body.app-mode-active .phone-screen {
  flex: 1 !important;
  width: 100% !important;
  height: auto !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
}

body.app-mode-active .phone-tab-bar {
  padding-bottom: calc(6px + env(safe-area-inset-bottom, 14px)) !important;
  height: calc(60px + env(safe-area-inset-bottom, 14px)) !important;
  background: #02040a !important;
}