/* ===== ROOT VARIABLES ===== */
:root {
  /* Primary colors */
  --primary: #4755ac; /* Main brand color */
  --primary-dark: #2d3a7c; /* Darker variation for hover states */
  --primary-light: #7e8cff; /* Lighter variation for highlights */

  /* Secondary colors */
  --secondary: #5a67d8; /* Secondary brand color */
  --accent-1: #ffd166; /* Warm gold for highlights/CTAs */
  --accent-2: #e63c80; /* Vibrant magenta for special elements */

  /* Neutrals */
  --dark: #12122d; /* Deep background for dark sections */
  --dark-200: #1e1e45; /* Slightly lighter dark for cards */
  --dark-100: #2c2c5a; /* Even lighter dark for hover states */
  --light: #f8f9fc; /* Off-white for light backgrounds */
  --gray: #6c7293; /* Muted text and details */
  --gray-light: #dbe1f2; /* Border colors and separators */

  /* Status colors */
  --success: #34c759; /* Success messages and buttons */
  --error: #ff3b30; /* Error messages */
  --warning: #ff9500; /* Warning messages */

  /* UI colors */
  --text-primary: #252544; /* Main text color */
  --text-secondary: #5c5c77; /* Secondary text color */
  --background: #f8f9fc; /* Main background color */
  --card-bg: #ffffff; /* Card background color */
  --card-hover: #f0f3ff; /* Card hover background */
  --card-shadow: 0 10px 20px rgba(41, 41, 97, 0.07); /* Standard shadow */
  --subtle-bg: rgba(126, 140, 255, 0.08); /* Subtle background for tags */

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--dark) 0%, #283366 100%);
  --gradient-card: linear-gradient(135deg, var(--card-bg) 0%, #f5f7ff 100%);
  --gradient-accent: linear-gradient(
    90deg,
    var(--primary) 0%,
    var(--accent-2) 100%
  );

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.1s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Header height */
  --header-height: 80px;
}

/* ===== DARK MODE ===== */
body.dark-mode {
  --background: #121220;
  --card-bg: #1e1e38;
  --card-hover: #2c2c52;
  --text-primary: #f0f2fc;
  --text-secondary: #c0c4e6;
  --gray-light: #3a3a68;
  --subtle-bg: rgba(126, 140, 255, 0.15);
  --card-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  --gradient-card: linear-gradient(135deg, var(--card-bg) 0%, #23234a 100%);
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-display: swap;
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
  transition: background-color var(--transition-normal),
    color var(--transition-normal);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: var(--primary);
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--primary-dark);
}

ul,
ol {
  list-style: none;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.container {
  max-width: 1280px;
  width: 90%;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ===== HEADER & NAVIGATION ===== */
header {
  background-color: rgba(18, 18, 45, 0.95);
  padding: var(--space-md) 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

header.sticky {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  padding: var(--space-sm) 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
}

.logo a {
  color: white;
}

.logo span {
  color: var(--primary-light);
}

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

.nav-links {
  display: flex;
  gap: calc(var(--space-xl) + 0.5rem);
}

.nav-links .nav-item {
  color: white;
  font-weight: 500;
  opacity: 0.8;
  position: relative;
  padding: var(--space-sm) var(--space-sm);
  transition: opacity var(--transition-normal);
}

.nav-links .nav-item:hover,
.nav-links .nav-item.active {
  opacity: 1;
}

.nav-links .nav-item::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  background-color: var(--primary-light);
  bottom: 0;
  left: 0;
  transition: width var(--transition-normal);
}

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

.theme-switch {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  cursor: pointer;
  margin-right: var(--space-md);
  transition: background-color var(--transition-normal),
    transform var(--transition-normal);
}

.theme-switch:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.mobile-menu {
  display: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  z-index: 1010;
}

.mobile-menu span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: white;
  transition: all var(--transition-normal);
}

.mobile-menu.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

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

.mobile-menu.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
#hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  color: white;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + var(--space-xl)) 0 var(--space-xl);
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  width: 100%;
}

.hero-text {
  flex: 1;
  max-width: 600px;
}

.hero-intro {
  margin-bottom: var(--space-xl);
}

.greeting {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: var(--space-sm);
  opacity: 0.9;
}

.title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: var(--space-xs);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-md);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: var(--space-xl);
  color: rgba(255, 255, 255, 0.9);
  max-width: 550px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-normal),
    transform var(--transition-normal), box-shadow var(--transition-normal);
  gap: var(--space-sm);
  text-align: center;
  font-size: 1rem;
}

.btn i {
  font-size: 0.9rem;
}

.btn-primary {
  background-color: var(--primary-light);
  color: white;
  box-shadow: 0 5px 15px rgba(126, 140, 255, 0.4);
}

.btn-primary:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(126, 140, 255, 0.5);
}

.btn-secondary {
  background-color: var(--accent-1);
  color: var(--dark);
  box-shadow: 0 5px 15px rgba(255, 209, 102, 0.3);
}

.btn-secondary:hover {
  background-color: #ffc633;
  transform: translateY(-3px);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary-light);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: white;
  transform: translateY(-3px);
  background-color: var(--primary-light);
}

.hero-social {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.social-icon:hover {
  background-color: var(--primary-light);
  transform: translateY(-3px);
}

.hero-image {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: none;
  animation: float 6s ease-in-out infinite;
}

.image-wrapper img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  display: block;
}

.backdrop-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(46, 58, 124, 0.4) 0%,
    rgba(231, 60, 126, 0.2) 100%
  );
  pointer-events: none;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  animation: bounce 2s infinite;
  z-index: 10;
}

.mouse {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-full);
  position: relative;
  margin: 0 auto var(--space-sm);
}

.wheel {
  width: 4px;
  height: 8px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-full);
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 1.5s infinite;
}

.scroll-text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== SECTION STYLING ===== */
section {
  padding: var(--space-xxl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xxl);
}

.section-tag {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary);
  background-color: var(--subtle-bg);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* ===== ABOUT SECTION ===== */
#about {
  background-color: var(--background);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  align-items: center;
}

.about-video {
  position: relative;
  width: 100%;
}

.video-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: none;
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-info p {
  margin-bottom: var(--space-lg);
}

/* ===== EXPERTISE SECTION ===== */
#expertise {
  background-color: var(--light);
}

body.dark-mode #expertise {
  background-color: var(--dark-200);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.expertise-card {
  background: var(--gradient-card);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
  text-align: center;
}

.expertise-card:hover {
  background: var(--card-hover);
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(41, 41, 97, 0.1);
}

.expertise-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
  background-color: var(--subtle-bg);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-md);
}

.expertise-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.skill-list li {
  background-color: var(--subtle-bg);
  color: var(--primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
}

/* ===== PROJECTS SECTION ===== */
#projects {
  background-color: var(--background);
}

.project-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  font-weight: 500;
  border-radius: var(--radius-full);
  background-color: var(--subtle-bg);
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  margin-bottom: var(--space-sm);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary);
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.project-card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: all var(--transition-normal);
  opacity: 0;
}

.project-card.show {
  opacity: 1;
  animation: fadeInUp 0.5s ease forwards;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(41, 41, 97, 0.1);
}

.project-image {
  position: relative;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-category {
  background-color: var(--primary);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  align-self: flex-start;
}

.project-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

.project-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: white;
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 1.2rem;
  transition: all var(--transition-normal);
}

.project-link:hover {
  background-color: var(--primary-light);
  color: white;
  transform: scale(1.1);
}

.project-content {
  padding: var(--space-lg);
}

.project-title {
  font-size: 1.4rem;
  margin-bottom: var(--space-sm);
}

.project-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tech-tag {
  background-color: var(--subtle-bg);
  color: var(--primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

.projects-more {
  text-align: center;
  margin-top: var(--space-xl);
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--card-shadow);
  position: relative;
  animation: slideIn 0.3s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--gray-light);
  position: sticky;
  top: 0;
  background: var(--card-bg);
  z-index: 10;
}

.modal-header h3 {
  font-size: 1.6rem;
}

.modal-close {
  font-size: 2rem;
  color: var(--gray);
  cursor: pointer;
  transition: color var(--transition-normal);
}

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

.modal-body {
  padding: var(--space-lg);
}

.project-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  transition: all var(--transition-normal);
}

.project-detail-image img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal);
}

.project-detail-content h3 {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}

.project-overview {
  margin-bottom: var(--space-lg);
}

.project-detail-section {
  margin-bottom: var(--space-lg);
}

.project-detail-section h4 {
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
  color: var(--primary);
}

.project-detail-section ul {
  list-style: disc;
  padding-left: var(--space-lg);
}

.project-detail-section li {
  margin-bottom: var(--space-sm);
}

.project-tech-stack {
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.tech-stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(71, 85, 172, 0.15);
  color: #fff;
  padding: 8px 15px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  flex: 0 0 auto;
  max-width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-item:hover {
  background-color: rgba(71, 85, 172, 0.25);
  transform: translateY(-2px);
}

.tech-item i {
  font-size: 1rem;
  color: #fff;
}

.project-detail .project-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: flex-start;
}
/* ===== PROJECT STATUS BADGES ===== */
.project-status-badges {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 10;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.status-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.status-live {
  background: var(--success);
  color: white;
}

.status-live i {
  color: #ffffff;
  animation: pulse 2s infinite;
}

/* Pulse animation for live status */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .project-status-badges {
    top: var(--space-sm);
    right: var(--space-sm);
  }

  .status-badge {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    gap: 0.25rem;
  }

  .status-badge i {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .status-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
  }
}

/* ===== DARK MODE ADJUSTMENTS ===== */
body.dark-mode .status-badge {
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

body.dark-mode .status-live {
  box-shadow: 0 2px 8px rgba(52, 199, 89, 0.3);
}

/* ===== EDUCATION SECTION ===== */
#education {
  background-color: var(--light);
  position: relative;
}

body.dark-mode #education {
  background-color: var(--dark-100);
}

.timeline-wrapper {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding: 0 var(--space-md);
}

.timeline {
  position: relative;
  padding: var(--space-xl) 0;
}

.timeline::before {
  content: "";
  position: absolute;
  width: 3px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    var(--primary-light),
    var(--primary-dark)
  );
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.7;
  border-radius: var(--radius-full);
}

.timeline-item {
  display: flex;
  justify-content: center;
  position: relative;
  margin-bottom: var(--space-xxl);
  z-index: 1;
}

.timeline-dot {
  width: 24px;
  height: 24px;
  background: var(--primary-light);
  border-radius: var(--radius-full);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 4px var(--background), 0 0 0 6px rgba(71, 85, 172, 0.3);
  transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-2);
  transform: translateX(-50%) scale(1.2);
}

.timeline-date {
  width: 180px;
  text-align: right;
  padding-right: var(--space-xl);
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.timeline-date span {
  font-weight: 600;
  color: var(--primary);
  background-color: var(--subtle-bg);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-date span {
  background-color: var(--primary);
  color: white;
  transform: translateX(-5px);
}

.timeline-content {
  width: 50%;
  background: var(--card-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  position: relative;
  transition: all var(--transition-normal);
  border-left: 4px solid var(--primary-light);
  margin-left: var(--space-xl);
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 24px;
  right: 100%;
  width: var(--space-xl);
  height: 2px;
  background-color: var(--primary-light);
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(even) .timeline-date {
  text-align: left;
  padding-right: 0;
  padding-left: var(--space-xl);
  justify-content: flex-start;
}

.timeline-item:nth-child(even):hover .timeline-date span {
  transform: translateX(5px);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 0;
  margin-right: var(--space-xl);
  border-left: none;
  border-right: 4px solid var(--primary-light);
}

.timeline-item:nth-child(even) .timeline-content::before {
  right: auto;
  left: 100%;
}

.timeline-item:hover .timeline-content {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(41, 41, 97, 0.15);
  background: var(--card-hover);
}

.timeline-content h3 {
  font-size: 1.4rem;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.timeline-content h4 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.timeline-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.timeline-tag {
  background: var(--subtle-bg);
  color: var(--primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-tag {
  background: rgba(126, 140, 255, 0.2);
}

/* ===== CONTACT SECTION ===== */
#contact {
  background-color: var(--background);
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0.03;
  top: -300px;
  left: -300px;
  z-index: 0;
}

#contact::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--accent-2);
  border-radius: 50%;
  opacity: 0.03;
  bottom: -200px;
  right: -200px;
  z-index: 0;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xxl);
  position: relative;
  z-index: 1;
}

.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-intro {
  background: var(--card-bg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  border-left: 4px solid var(--primary);
}

.contact-intro h3 {
  font-size: 1.6rem;
  margin-bottom: var(--space-md);
  color: var(--primary);
}

.contact-intro p {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 0;
}

.contact-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact-card {
  background: var(--card-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(41, 41, 97, 0.1);
  background: var(--card-hover);
}

.contact-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.contact-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.contact-card:hover .contact-icon {
  background: var(--accent-2);
  transform: scale(1.1) rotate(10deg);
}

.contact-card h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 600;
}

.contact-card p {
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.contact-link,
.contact-text {
  font-weight: 500;
  color: var(--primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
  word-break: keep-all;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  display: block;
}

.contact-link:hover {
  color: var(--accent-2);
  transform: translateX(5px);
}

.contact-socials {
  display: flex;
  gap: var(--space-md);
  margin-top: auto;
  flex-wrap: wrap;
}

.contact-socials .social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.contact-socials .social-icon:hover {
  background: var(--accent-2);
  transform: translateY(-5px);
}

.contact-form {
  background: var(--card-bg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
  border-top: 4px solid var(--primary);
}

.contact-form:hover {
  box-shadow: 0 20px 40px rgba(41, 41, 97, 0.1);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.input-wrapper {
  position: relative;
  transition: all var(--transition-normal);
}

.input-wrapper:focus-within {
  transform: translateY(-2px);
}

.input-wrapper i {
  position: absolute;
  top: 50%;
  left: var(--space-md);
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.input-wrapper.textarea i {
  top: 1.5rem;
}

.input-wrapper:focus-within i {
  color: var(--accent-2);
}

.input-wrapper input,
.input-wrapper textarea {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  transition: all var(--transition-normal);
  color: var(--text-primary);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.input-wrapper textarea {
  min-height: 150px;
  resize: vertical;
  padding-top: 1rem;
}

.input-wrapper input:focus,
.input-wrapper textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 5px 15px rgba(71, 85, 172, 0.1);
}

.form-status {
  margin-top: var(--space-md);
  font-size: 0.95rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.form-status.sending {
  background-color: rgba(255, 149, 0, 0.1);
  color: var(--warning);
}

.form-status.success {
  background-color: rgba(52, 199, 89, 0.1);
  color: var(--success);
}

.form-status.error {
  background-color: rgba(255, 59, 48, 0.1);
  color: var(--error);
}

/* ===== FOOTER ===== */
footer {
  background-color: var(--dark);
  color: white;
  padding: var(--space-xxl) 0 var(--space-md);
  position: relative;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
}

.footer-info {
  max-width: 400px;
}

.footer-logo h2 {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}

.footer-logo span {
  color: var(--primary-light);
}

.footer-info p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background-color: var(--primary-light);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  text-align: center;
}

.copyright p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.scroll-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 99;
}

#scrollToTop {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  background-color: var(--primary);
  border-radius: var(--radius-full);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

#scrollToTop.show {
  opacity: 1;
  visibility: visible;
}

#scrollToTop:hover {
  background-color: var(--primary-dark);
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* ===== ANIMATIONS ===== */
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

@keyframes scrollWheel {
  0% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateX(-50%) translateY(10px);
    opacity: 0;
  }
}

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

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1280px) {
  :root {
    --space-xxl: 2rem;
    --space-xl: 1.5rem;
  }
  .container {
    width: 95%;
    max-width: 1200px;
  }
  .section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  }
  .section-subtitle {
    font-size: 1.1rem;
  }
  .expertise-grid,
  .projects-grid {
    gap: var(--space-lg);
  }
}

@media (max-width: 1024px) {
  :root {
    --space-xl: 1.25rem;
    --space-xxl: 1.75rem;
  }
  .container {
    padding: 0 var(--space-md);
  }
  .hero-content {
    gap: var(--space-lg);
  }
  .hero-text {
    max-width: 500px;
  }
  .hero-image {
    max-width: 400px;
    padding: 0 var(--space-md);
  }
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .video-container {
    max-width: 100%;
    border-radius: var(--radius-lg);
  }
  .about-video {
    max-width: 90%;
    margin: 0 auto;
  }
  .about-info {
    padding: 0 var(--space-md);
    text-align: left;
  }
  .about-info p {
    text-align: left;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  .contact-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
  }
  .contact-info-wrapper {
    order: 1;
  }
  .contact-form {
    order: 0;
    max-width: 100%;
  }
  .contact-intro {
    text-align: center;
  }
  .contact-intro p {
    max-width: 90%;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1rem;
    --header-height: 64px;
  }
  .mobile-menu {
    display: flex;
  }

  .about-content {
    gap: var(--space-xl);
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    flex-direction: column;
    background-color: var(--dark);
    height: 100vh;
    width: clamp(250px, 75vw, 280px);
    padding: calc(var(--header-height) + var(--space-md)) var(--space-md)
      var(--space-md);
    gap: var(--space-md);
    z-index: 900;
    box-shadow: -8px 0 20px rgba(0, 0, 0, 0.3);
    transition: right var(--transition-normal);
    align-items: flex-start;
  }
  .nav-links.active {
    right: 0;
  }
  .nav-links .nav-item {
    font-size: 1.1rem;
    padding: var(--space-sm) 0;
    width: 100%;
    padding: var(--space-md) var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .theme-switch {
    margin-right: 0;
  }
  body.nav-open {
    overflow: hidden;
  }
  #hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-md)) 0 var(--space-lg);
  }
  .hero-content {
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: 0;
  }
  .hero-text {
    order: 1;
    text-align: center;
    padding: 0 var(--space-md);
    max-width: 100%;
    margin-bottom: var(--space-md);
  }
  .hero-image {
    order: 0;
    width: 100%;
    max-width: 80%;
    margin: 0 auto;
    padding: var(--space-md);
  }
  .image-wrapper {
    border-radius: var(--radius-lg);
  }
  .hero-image img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  .hero-description {
    max-width: 100%;
    margin: 0 auto var(--space-md);
  }
  .hero-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    justify-content: center;
    gap: var(--space-sm);
  }
  .hero-social {
    justify-content: center;
  }
  .scroll-indicator {
    display: none;
  }
  .video-container {
    max-width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-lg);
  }
  .about-video {
    max-width: 100%;
    padding: 0 var(--space-lg);
  }
  .video-container video {
    object-fit: fit;
    background-color: transparent;
  }
  .expertise-grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-md);
    gap: var(--space-md);
    scrollbar-width: none;
  }
  .expertise-grid::-webkit-scrollbar {
    display: none;
  }
  .expertise-card {
    flex: 0 0 80%;
    min-width: 250px;
    max-width: 300px;
    scroll-snap-align: center;
    margin-right: var(--space-xs);
  }
  .expertise-card:last-child {
    margin-right: var(--space-md);
  }
  .skill-list {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
  }
  .skill-list li {
    font-size: 0.85rem;
    padding: var(--space-xs) var(--space-sm);
    margin-bottom: var(--space-xs);
  }
  .projects-grid,
  .contact-details {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: var(--space-md);
    padding-left: var(--space-sm);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: var(--space-md);
    position: relative;
    mask-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 1) 80%,
      rgba(0, 0, 0, 0)
    );
    -webkit-mask-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 1) 80%,
      rgba(0, 0, 0, 0)
    );
  }
  .projects-grid::-webkit-scrollbar,
  .contact-details::-webkit-scrollbar {
    display: none;
  }
  .project-card,
  .contact-card {
    flex: 0 0 85%;
    scroll-snap-align: start;
    min-width: 280px;
    max-width: 350px;
    height: auto;
    margin-right: 0;
  }
  .project-card:last-child,
  .contact-card:last-child {
    margin-right: var(--space-xl);
  }
  .modal-content {
    max-width: 95%;
    padding: 1rem;
    border-radius: var(--radius-md);
  }
  .project-detail {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  .project-detail-image img {
    max-width: 100%;
    margin-bottom: var(--space-md);
  }
  .project-detail-content h3 {
    font-size: 1.6rem;
  }
  .tech-stack-grid {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  }
  .scroll-horizontal-indicator {
    display: flex;
    justify-content: center;
    margin-top: var(--space-md);
    gap: var(--space-xs);
    padding: var(--space-xs) 0;
  }
  .scroll-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--gray-light);
    transition: all var(--transition-normal);
  }
  .scroll-dot.active {
    background-color: var(--primary);
    transform: scale(1.5);
  }
  .timeline::before {
    left: 20px;
  }
  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: column;
    justify-content: flex-start;
    padding-left: 50px;
    margin-bottom: var(--space-xl);
  }
  .timeline-dot {
    left: 20px;
    width: 20px;
    height: 20px;
  }
  .timeline-date,
  .timeline-item:nth-child(even) .timeline-date {
    position: relative;
    top: 0;
    left: 0;
    text-align: left;
    padding: 0;
    width: auto;
    margin-bottom: var(--space-sm);
  }
  .timeline-date span {
    font-size: 0.9rem;
  }
  .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    border-left: 3px solid var(--primary-light);
    border-right: none;
    padding: var(--space-md);
  }
  .timeline-content::before,
  .timeline-item:nth-child(even) .timeline-content::before {
    left: -18px;
    right: auto;
    top: 20px;
    width: 16px;
  }
  .timeline-content h3 {
    font-size: 1.3rem;
  }
  .timeline-content h4 {
    font-size: 1rem;
  }
  .contact-card {
    padding: var(--space-md);
    min-height: 200px;
  }
  .contact-card-header {
    flex-direction: row;
    text-align: left;
    align-items: center;
    gap: var(--space-sm);
  }
  .contact-icon {
    margin: 0;
  }
  .section-header {
    margin-bottom: var(--space-lg);
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-lg);
    padding: var(--space-md);
  }
  .footer-info {
    max-width: 90%;
  }
  .footer-social {
    justify-content: center;
  }
  #scrollToTop {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    bottom: var(--space-md);
    right: var(--space-md);
  }
}

@media (max-width: 1200px) {
  .about-video .video-container {
    max-width: 85%;
  }
}

@media (max-width: 992px) {
  .about-video .video-container {
    max-width: 90%;
  }
}

@media (max-width: 576px) {
  :root {
    --space-md: 0.5rem;
    --space-lg: 0.75rem;
    --space-xl: 0.75rem;
    --header-height: 56px;
  }
  .container {
    width: 100%;
    padding: 0 var(--space-sm);
  }
  .logo {
    font-size: clamp(1.2rem, 5vw, 1.4rem);
  }
  .hero-image {
    max-width: 90%;
    padding: var(--space-md) var(--space-lg);
  }
  .image-wrapper {
    border-radius: var(--radius-lg);
  }
  .about-video {
    max-width: 100%;
    padding: 0 var(--space-md);
  }
  .title {
    font-size: clamp(1.5rem, 6vw, 1.8rem);
  }
  .subtitle {
    font-size: clamp(1rem, 4vw, 1.1rem);
  }
  .btn {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
  .section-title {
    font-size: clamp(1.4rem, 5vw, 1.6rem);
  }
  .timeline-date span,
  .timeline-item:nth-child(even) .timeline-date span {
    font-size: 0.8rem;
    padding: var(--space-xs) var(--space-xs);
  }
  .timeline-content {
    padding: var(--space-sm);
  }
  .timeline-content h3 {
    font-size: 1.1rem;
  }
  .timeline-content h4 {
    font-size: 0.9rem;
  }
  .timeline-dot {
    width: 16px;
    height: 16px;
  }
  .timeline::before {
    width: 2px;
  }
  .project-card .project-content,
  .contact-card {
    padding: var(--space-sm);
  }
  .project-title {
    font-size: 1.2rem;
  }
  .project-description,
  .contact-card p {
    font-size: 0.85rem;
  }
  .contact-intro h3 {
    font-size: 1.4rem;
  }
  .contact-card-header {
    flex-direction: row;
    align-items: center;
    gap: var(--space-xs);
  }
  .contact-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  .modal-header h3 {
    font-size: 1.2rem;
  }
  .project-detail-content h3 {
    font-size: 1.3rem;
  }
  .footer-logo h2 {
    font-size: 1.3rem;
  }
  .video-container {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 480px) {
  .hero-image {
    max-width: calc(100% - 2 * var(--space-xl));
    padding: var(--space-md);
    margin: var(--space-md) auto;
  }
  .hero-cta {
    grid-template-columns: 1fr;
  }
  .hero-text {
    padding: 0 var(--space-sm);
  }

  .contact-card .contact-link {
    font-size: 0.9rem;
  }
}

@media (max-width: 360px) {
  :root {
    --space-xs: 0.25rem;
    --space-sm: 0.35rem;
    --space-md: 0.5rem;
    --space-lg: 0.75rem;
    --space-xl: 1rem;
    --space-xxl: 1.5rem;
    --header-height: 50px;
  }
  .hero-text {
    padding: 0 var(--space-sm);
  }
  .title {
    font-size: clamp(1.4rem, 6vw, 1.8rem);
  }
  .subtitle {
    font-size: clamp(1rem, 4vw, 1.2rem);
  }
  .btn {
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
  }
  .hero-cta {
    grid-template-columns: 1fr;
  }
  .expertise-card {
    min-width: 240px;
    padding: var(--space-md);
  }
  .expertise-card h3 {
    font-size: 1.2rem;
  }
  .contact-form .btn-primary {
    padding: 0.8rem;
  }
  .project-card,
  .contact-card {
    min-width: 240px;
  }
  .social-icon,
  .contact-socials .social-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
}

/* ===== TOUCH DEVICE OPTIMIZATIONS ===== */
@media (hover: none) {
  .btn:active {
    transform: scale(0.98);
  }
  .expertise-card:active,
  .project-card:active,
  .contact-card:active,
  .timeline-item:active .timeline-content {
    transform: scale(0.98);
  }
  .project-overlay {
    opacity: 1;
    background: rgba(0, 0, 0, 0.5);
  }
  .contact-link:active,
  .social-icon:active,
  .social-link:active {
    transform: scale(0.95);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  body {
    background-color: white;
    color: black;
  }
  header,
  .scroll-indicator,
  .mobile-menu,
  .theme-switch,
  .scroll-top,
  footer {
    display: none;
  }
  .container {
    width: 100%;
    max-width: none;
  }
  section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }
  .hero-content,
  .about-content,
  .contact-container {
    grid-template-columns: 1fr;
  }
  .project-card,
  .expertise-card,
  .contact-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
  .project-overlay {
    display: none;
  }
  a {
    text-decoration: underline;
    color: #000;
  }
  a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
  .btn {
    border: 1px solid #000;
    padding: 0.5rem 1rem;
    text-decoration: none;
  }
  .btn::after {
    display: none;
  }
}