:root {
  --bg-dark: #070a13;
  --bg-surface: #0f172a;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-modal: #0d1527;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(6, 182, 212, 0.35);
  --border-glow: rgba(59, 130, 246, 0.5);
  
  --primary: #06b6d4;
  --primary-glow: #22d3ee;
  --accent: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-gold: #f59e0b;
  --accent-emerald: #10b981;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --shadow-subtle: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px -5px rgba(6, 182, 212, 0.25);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.65;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 15% 15%, rgba(6, 182, 212, 0.12) 0px, transparent 50%),
    radial-gradient(at 85% 25%, rgba(99, 102, 241, 0.12) 0px, transparent 55%),
    radial-gradient(at 50% 85%, rgba(14, 165, 233, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
}

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

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 78px;
  z-index: 1000;
  background: rgba(7, 10, 19, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-logo img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--primary);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #fff;
  box-shadow: 0 4px 20px -2px rgba(6, 182, 212, 0.45);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -2px rgba(6, 182, 212, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-coffee {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #fff;
  box-shadow: 0 4px 18px -2px rgba(245, 158, 11, 0.4);
}

.btn-coffee:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -2px rgba(245, 158, 11, 0.6);
}

.btn-coffee svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

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

/* Hero Section */
.hero-section {
  padding-top: 160px;
  padding-bottom: 90px;
  position: relative;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary-glow);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 780px;
  margin: 0 auto 38px auto;
  color: var(--text-secondary);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition-normal);
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-glow);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Sections General */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 60px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.75px;
  margin-bottom: 16px;
}

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

/* Glass Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.app-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-normal);
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  opacity: 0;
  transition: var(--transition-normal);
}

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

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

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.app-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--primary-glow);
  font-size: 1.7rem;
}

.app-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-flagship {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-mobile {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-android {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-macos {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-tool {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.app-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.app-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.app-features-list {
  list-style: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.app-features-list li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-features-list li svg {
  width: 16px;
  height: 16px;
  color: var(--accent-emerald);
  flex-shrink: 0;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.tech-tag {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

/* Oracle DBA Section */
.dba-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 24px;
}

.dba-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition-normal);
}

.dba-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px -10px rgba(59, 130, 246, 0.2);
}

.dba-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #60a5fa;
  margin-bottom: 18px;
}

.dba-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.dba-card p {
  font-size: 0.92rem;
  line-height: 1.6;
}

/* About Section */
.about-box {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.about-role {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary-glow);
  margin-bottom: 20px;
}

.about-text p {
  margin-bottom: 18px;
  font-size: 0.98rem;
}

.company-meta-list {
  list-style: none;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.company-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.94rem;
}

.company-meta-item strong {
  color: var(--text-primary);
  min-width: 100px;
}

.about-highlight-card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-glow);
}

.highlight-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(6, 182, 212, 0.15);
  color: var(--primary-glow);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-highlight-card h4 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.about-highlight-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}

.about-highlight-card li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Buy Me a Coffee Section */
.coffee-section {
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.03) 0%, rgba(245, 158, 11, 0.08) 100%);
  border-top: 1px solid rgba(245, 158, 11, 0.15);
  border-bottom: 1px solid rgba(245, 158, 11, 0.15);
  padding: 90px 0;
}

.coffee-card-main {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-xl);
  padding: 44px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: 0 15px 40px -10px rgba(245, 158, 11, 0.18);
}

.coffee-icon-large {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px auto;
  border-radius: 20px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fbbf24;
  font-size: 2rem;
}

.coffee-channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.coffee-channel-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.coffee-channel-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(245, 158, 11, 0.5);
  transform: translateY(-3px);
}

.coffee-channel-btn svg {
  width: 28px;
  height: 28px;
}

.zelle-info-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 460px;
  margin: 20px auto 0 auto;
}

.zelle-address {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary-glow);
  font-size: 0.98rem;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.copy-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
}

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

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-glow);
  flex-shrink: 0;
}

.contact-form {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
}

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

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(4, 7, 13, 0.95);
  padding: 60px 0 30px 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  margin-top: 12px;
  max-width: 320px;
  font-size: 0.92rem;
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* Modal System */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-modal);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  max-width: 580px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-card);
  transform: scale(0.95);
  transition: var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #0f172a;
  border: 1px solid var(--primary);
  box-shadow: 0 10px 25px -5px rgba(6, 182, 212, 0.4);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s forwards;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .about-box {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 78px;
    left: 0;
    right: 0;
    background: rgba(7, 10, 19, 0.98);
    flex-direction: column;
    padding: 30px;
    border-bottom: 1px solid var(--border-subtle);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.3s ease-in-out;
  }
  .nav-links.open {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
  .mobile-menu-toggle {
    display: block;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .dba-grid {
    grid-template-columns: 1fr;
  }
}