/* CSS Design System for Mohammad Rameez Portfolio */

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

:root {
  /* Default Dark Theme Variables */
  --bg-primary: #0b0f19;
  --bg-secondary: #131924;
  --bg-tertiary: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #d946ef;
  --accent-indigo: #6366f1;
  --accent-gold: #f59e0b;
  --gradient-primary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-indigo) 100%);
  --gradient-text: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(19, 25, 36, 0.7);
  --glass-blur: blur(16px);
  --selection-bg: var(--accent-cyan);
  --selection-text: #0b0f19;
  --transition-speed: 0.3s;
}

[data-theme="light"] {
  /* Light Theme Variables */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-cyan: #0284c7;
  --accent-blue: #1d4ed8;
  --accent-purple: #9333ea;
  --accent-indigo: #4338ca;
  --accent-gold: #d97706;
  --gradient-primary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-indigo) 100%);
  --gradient-text: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.1);
  --border-color: rgba(15, 23, 42, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(16px);
  --selection-bg: var(--accent-blue);
  --selection-text: #ffffff;
}

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

::selection {
  background: var(--selection-bg);
  color: var(--selection-text);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  height: 100%;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-speed);
}

/* Utility Layouts */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-speed);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-speed);
}

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

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

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.6rem 0.8rem;
  border-radius: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
  font-size: 1rem;
}

.theme-toggle-btn:hover {
  background: var(--border-color);
  transform: scale(1.05);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  transition: all var(--transition-speed);
  border-radius: 2px;
}

/* Page Banner (For secondary pages) */
.page-banner {
  padding: 140px 0 60px 0;
  position: relative;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(11, 15, 25, 0.8) 0%, var(--bg-primary) 100%);
  z-index: 1;
}

[data-theme="light"] .page-banner::before {
  background: linear-gradient(to bottom, rgba(248, 250, 252, 0.8) 0%, var(--bg-primary) 100%);
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.banner-title {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.banner-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Glassmorphism Card Style */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 40px -15px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] .card:hover {
  border-color: rgba(15, 23, 42, 0.15);
  box-shadow: 0 15px 40px -15px rgba(15, 23, 42, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #0b0f19;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-secondary);
}

.btn-secondary:hover {
  background: var(--border-color);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

/* Content Sections */
.main-content {
  flex: 1;
  padding: 4rem 0;
}

/* Home Section Styles */
.hero-section {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding: 120px 0 60px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-cols: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h3 {
  color: var(--accent-cyan);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.hero-text h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-links {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  background: var(--glass-bg);
}

.hero-links a:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 242, 254, 0.2);
}

.hero-ctas {
  display: flex;
  gap: 1.5rem;
}

.hero-image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image-wrapper {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  padding: 10px;
  background: var(--gradient-primary);
  box-shadow: 0 20px 40px -10px rgba(0, 242, 254, 0.3);
  position: relative;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--bg-secondary);
}

/* Skills Section Styles */
.skills-grid {
  display: grid;
  grid-template-cols: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.skills-category {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.skills-category h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

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

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  font-weight: 500;
}

.skill-name {
  color: var(--text-primary);
}

.skill-level {
  color: var(--text-secondary);
}

.skill-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  border-radius: 10px;
  background: var(--gradient-primary);
  transform: translateX(-100%);
  animation: fillProgress 1.5s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

.skills-category:nth-child(even) .skill-progress {
  background: var(--gradient-secondary);
}

@keyframes fillProgress {
  to {
    transform: translateX(0);
  }
}

/* Projects Section Styles */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--gradient-primary);
  color: #0b0f19;
  border-color: transparent;
  transform: translateY(-2px);
}

.projects-grid {
  display: grid;
  grid-template-cols: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-details {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.project-details h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-metrics {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

[data-theme="light"] .project-metrics {
  background: rgba(0, 0, 0, 0.02);
}

.metric {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.project-card:nth-child(even) .metric-value {
  color: var(--accent-purple);
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

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

/* Experience Section Styles */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background: var(--border-color);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  width: 50%;
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background-color: var(--bg-primary);
  border: 4px solid var(--accent-cyan);
  top: 30px;
  border-radius: 50%;
  z-index: 1;
  transition: all var(--transition-speed);
}

.timeline-item:nth-child(even)::after {
  left: -10px;
  border-color: var(--accent-purple);
}

.timeline-item:hover::after {
  background-color: var(--accent-cyan);
  transform: scale(1.2);
}

.timeline-item:nth-child(even):hover::after {
  background-color: var(--accent-purple);
}

.timeline-content {
  position: relative;
}

.timeline-date {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.timeline-item:nth-child(even) .timeline-date {
  color: var(--accent-purple);
}

.timeline-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-company span {
  font-size: 0.85rem;
  font-weight: normal;
  color: var(--text-secondary);
}

.timeline-location {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: block;
}

.timeline-details {
  list-style-type: none;
}

.timeline-details li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.timeline-details li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: bold;
}

.timeline-item:nth-child(even) .timeline-details li::before {
  color: var(--accent-purple);
}

/* Education Section Styles */
.education-layout {
  display: grid;
  grid-template-cols: 1.2fr 0.8fr;
  gap: 4rem;
}

.education-cards {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.education-card {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.education-icon {
  background: var(--gradient-primary);
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #0b0f19;
  flex-shrink: 0;
}

.education-card:nth-child(even) .education-icon {
  background: var(--gradient-secondary);
}

.education-info h3 {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.education-school {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.education-school span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.education-duration {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.education-card:nth-child(even) .education-duration {
  color: var(--accent-purple);
}

.education-grade {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.education-grade strong {
  color: var(--text-primary);
}

.achievements-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.achievement-card {
  border-left: 4px solid var(--accent-gold);
}

.achievement-card h3 {
  color: var(--accent-gold);
  margin-bottom: 1rem;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.achievement-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.achievement-list li {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.achievement-list strong {
  color: var(--text-primary);
}

/* Contact Section Styles */
.contact-layout {
  display: grid;
  grid-template-cols: 0.8fr 1.2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--glass-bg);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-card:nth-child(even) .contact-icon {
  color: var(--accent-purple);
}

.contact-details h4 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.contact-details p, .contact-details a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-details a:hover {
  color: var(--accent-cyan);
}

.contact-form-card {
  position: relative;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.form-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-speed);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

.form-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

textarea.form-input {
  resize: vertical;
  min-height: 150px;
}

.form-status {
  padding: 1rem;
  border-radius: 8px;
  font-weight: 500;
  margin-top: 1rem;
  display: none;
  text-align: center;
}

.form-status.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgb(16, 185, 129);
  color: #10b981;
  display: block;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgb(239, 68, 68);
  color: #ef4444;
  display: block;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0;
  margin-top: auto;
  text-align: center;
  transition: background-color var(--transition-speed);
}

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

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

.footer-socials {
  display: flex;
  gap: 1.5rem;
}

.footer-socials a {
  color: var(--text-secondary);
  font-size: 1.2rem;
}

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

/* Responsive Design */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-cols: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 3.2rem;
  }

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

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

  .timeline::after {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    left: 0 !important;
    padding-left: 70px;
    padding-right: 20px;
  }

  .timeline-item::after {
    left: 21px !important;
    right: auto !important;
  }

  .education-layout {
    grid-template-cols: 1fr;
    gap: 3rem;
  }

  .contact-layout {
    grid-template-cols: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    text-align: center;
  }

  .page-banner {
    padding: 120px 0 40px 0;
  }

  .banner-title {
    font-size: 2.2rem;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
  }
}

.project-card.hidden {
  display: none !important;
}

.next-page-section {
  display: flex;
  justify-content: flex-end;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}