/* ===================================================
   PORTFOLIO – style.css
   Mohamed Abdelraouf | Architectural Engineer
   =================================================== */

/* ---------- CSS VARIABLES ---------- */
:root {
  color-scheme: dark;
  /* Dark theme (default) */
  --bg-primary: #0d0f14;
  --bg-secondary: #13161e;
  --bg-card: #1a1e29;
  --bg-card-hover: #1f2433;
  --border: rgba(255, 255, 255, 0.07);
  --text-primary: #f0f2f8;
  --text-secondary: #9ba3b8;
  --text-muted: #5a6280;

  --accent: #18adff;
  --accent-2: #00d4aa;
  --accent-hover: #008ed6;
  --gradient: linear-gradient(135deg, #18adff 0%, #00d4aa 100%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(24, 173, 255, 0.15);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --font-body: 'Inter', sans-serif;
  --font-display: 'Poppins', sans-serif;

  --nav-height: 70px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f4f6fc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f3ff;
  --border: rgba(0, 0, 0, 0.08);
  --text-primary: #0f1222;
  --text-secondary: #4a5272;
  --text-muted: #9ba3b8;
  --accent-2: #008e74;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.07);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 40px rgba(24, 173, 255, 0.10);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
  /* Content Protection: Prevent text selection */
  user-select: none;
  -webkit-user-select: none;
}

img {
  max-width: 100%;
  display: block;
  /* Content Protection: Prevent dragging missions */
  pointer-events: none;
}

/* Safety Blur Overlay */
.safety-blur-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(8, 10, 26, 0.4);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  opacity: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease-in-out;
}

.safety-blur-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.safety-message {
  color: #fff;
  text-align: center;
  font-family: var(--font-display);
  background: rgba(255, 255, 255, 0.03);
  padding: 3rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(20px) scale(0.9);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 200px;
}

.safety-blur-overlay.active .safety-message {
  transform: translateY(0) scale(1);
}

/* Phase 2: Image Guard Overlay */
.image-guard-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: transparent;
  pointer-events: auto;
  /* Catch all clicks/right-clicks */
}

.project-thumb {
  position: relative;
}

.safety-message i {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.safety-message h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

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

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

ul {
  list-style: none;
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}

/* ---------- SELECTION ---------- */
::selection {
  background: var(--accent);
  color: #fff;
}

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

/* ---------- SECTION BASE ---------- */
.section {
  padding-block: clamp(4rem, 10vw, 7rem);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(24, 173, 255, 0.12);
  padding: 0.35em 1em;
  border-radius: 100px;
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

/* ---------- GRADIENT TEXT ---------- */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent {
  color: var(--accent);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(24, 173, 255, 0.35);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(24, 173, 255, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(24, 173, 255, 0.08);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  transition: color var(--transition);
}

.nav-logo:hover {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 3px;
  transition: color var(--transition);
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(20deg);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =========================================
   HERO
   ========================================= */
.hero {
  min-height: 100svh;
  position: relative;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

@keyframes mesh-drift {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }

  50% {
    transform: translate(100px, 50px) rotate(5deg);
  }

  100% {
    transform: translate(0, 0) rotate(0deg);
  }
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--bg-primary);
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.22;
  will-change: transform;
}

.blob-1 {
  width: 800px;
  height: 800px;
  background: var(--accent);
  top: -200px;
  left: -200px;
  animation: mix-blobs-1 25s ease-in-out infinite;
}

.blob-2 {
  width: 700px;
  height: 700px;
  background: var(--accent-2);
  bottom: -150px;
  right: -150px;
  animation: mix-blobs-2 20s ease-in-out infinite;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  opacity: 0.5;
  /* Keep it subtle */
  z-index: 1;
}

/* ---------- INTERACTIVE BACKGROUND ---------- */
.interactive-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.click-pulse {
  position: absolute;
  width: 2px;
  height: 2px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 3;
  animation: pulse-out 0.8s cubic-bezier(0.2, 0, 0.2, 1) forwards;
}

@keyframes pulse-out {
  0% {
    width: 0;
    height: 0;
    opacity: 0.8;
    border-width: 5px;
  }

  100% {
    width: 500px;
    height: 500px;
    opacity: 0;
    border-width: 1px;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding-block: 5rem;
}

.hero-eyebrow {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 0.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.9rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  /* Reserve a fixed line so the typed animation never shifts elements below */
  min-height: 2.4em;
  display: block;
}

.hero-intro {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 2.2rem;
  line-height: 1.8;
}

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

.hero-socials {
  display: flex;
  gap: 0.9rem;
}

.hero-socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.hero-socials a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(24, 173, 255, 0.4);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  animation: bounce 2s infinite;
  z-index: 1;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* =========================================
   ABOUT
   ========================================= */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 4rem;
  align-items: start;
}

.photo-wrapper {
  position: relative;
  width: 280px;
}

.profile-photo {
  width: 260px;
  height: 310px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  object-position: center top;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
  display: block;
}

.photo-accent {
  position: absolute;
  bottom: -14px;
  right: -14px;
  width: 260px;
  height: 310px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--accent);
  opacity: 0.3;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.8rem;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 0.75rem;
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-size: 1.02rem;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-info {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.info-item i {
  color: var(--accent);
  width: 16px;
}

.info-item a:hover {
  color: var(--accent);
}

/* =========================================
   SKILLS
   ========================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.skill-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

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

.skill-card-icon {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
  width: 50px;
  height: 50px;
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tags span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(24, 173, 255, 0.08);
  border: 1px solid rgba(108, 99, 255, 0.15);
  padding: 0.3em 0.85em;
  border-radius: 100px;
  transition: all var(--transition);
}

.skill-tags span:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* =========================================
   PROJECTS
   ========================================= */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* Skeleton cards shown while JSON loads */
@keyframes shimmer {
  0% {
    background-position: -600px 0;
  }

  100% {
    background-position: 600px 0;
  }
}

.project-card-skeleton {
  height: 420px;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg,
      var(--bg-card) 25%,
      var(--bg-card-hover) 50%,
      var(--bg-card) 75%);
  background-size: 600px 100%;
  animation: shimmer 1.6s infinite linear;
  border: 1px solid var(--border);
}


.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  /* thumbnail fills edge-to-edge */
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  transition: all var(--transition);
  cursor: default;
}


.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(108, 99, 255, 0.3);
}

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-icon {
  font-size: 1.6rem;
  color: var(--accent);
  width: 48px;
  height: 48px;
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-links {
  display: flex;
  gap: 0.75rem;
}

.project-links a {
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--transition);
}

.project-links a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.65;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.5rem;
}

.project-tags span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  padding: 0.25em 0.8em;
  border-radius: 100px;
}

/* =========================================
   EXPERIENCE
   ========================================= */
.timeline {
  position: relative;
  max-width: 800px;
  margin-inline: auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 18px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2));
  border-radius: 2px;
}

.timeline-item {
  display: flex;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
  padding-left: 0;
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent);
  position: relative;
  z-index: 1;
  margin-top: 14px;
  box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.timeline-item:hover .timeline-dot {
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(108, 99, 255, 0.2);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  flex: 1;
  transition: all var(--transition);
}

.timeline-item:hover .timeline-content {
  border-color: rgba(108, 99, 255, 0.3);
  box-shadow: var(--shadow-md);
}

.timeline-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  align-items: baseline;
  margin-bottom: 1rem;
}

.timeline-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  width: 100%;
}

.timeline-company {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(24, 173, 255, 0.08);
  padding: 0.2em 0.8em;
  border-radius: 100px;
  margin-left: auto;
}

.timeline-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.timeline-bullets li {
  color: var(--text-secondary);
  font-size: 0.93rem;
  padding-left: 1.2rem;
  position: relative;
}

.timeline-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-2);
}

/* =========================================
   EDUCATION
   ========================================= */
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.edu-card:hover {
  border-color: rgba(24, 173, 255, 0.3);
  box-shadow: var(--shadow-lg);
}

.edu-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.edu-university {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.university-icon {
  font-size: 2.25rem;
  color: var(--accent);
  background: rgba(24, 173, 255, 0.1);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.edu-university h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.edu-dept {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.edu-duration {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(24, 173, 255, 0.08);
  padding: 0.4em 1em;
  border-radius: 100px;
  font-weight: 500;
}

.courses-title {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.course-badge {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition);
}

.course-badge:hover {
  background: rgba(24, 173, 255, 0.05);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.badge-name {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.badge-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

[data-theme="light"] .badge-date {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .edu-card {
    padding: 1.75rem;
  }

  .edu-card-header {
    flex-direction: column;
    gap: 1rem;
  }

  .edu-duration {
    align-self: flex-start;
  }
}

/* =========================================
   SERVICES
   ========================================= */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108, 99, 255, 0.3);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-icon {
  font-size: 2rem;
  color: var(--accent);
  width: 64px;
  height: 64px;
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--accent);
  color: #fff;
  transform: scale(1.05);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* =========================================
   CAREER OBJECTIVE
   ========================================= */
.objective {
  background: var(--bg-primary);
}

.objective-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 4rem);
  text-align: center;
  max-width: 880px;
  margin-inline: auto;
  position: relative;
  overflow: hidden;
}

.objective-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient);
}

.objective-icon {
  font-size: 2rem;
  color: var(--accent);
  width: 70px;
  height: 70px;
  background: rgba(24, 173, 255, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.objective-card .section-tag {
  margin-bottom: 1.5rem;
}

.objective-card blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.75;
  font-style: italic;
  border: none;
  padding: 0;
  position: relative;
}

.objective-card blockquote::before,
.objective-card blockquote::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--gradient);
  margin: 1.5rem auto;
  border-radius: 2px;
}

.objective-sub {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* =========================================
   CONTACT
   ========================================= */
.contact {
  background: var(--bg-secondary);
}

.contact-grid {
  max-width: 500px;
  margin: 0 auto;
}

.contact-lead {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.contact-detail-item i {
  color: var(--accent);
  width: 18px;
}

a.contact-detail-item:hover {
  color: var(--accent);
}

.contact-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition);
}

.social-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(24, 173, 255, 0.08);
  transform: translateY(-2px);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

input,
textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
  resize: vertical;
  width: 100%;
}

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

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
  background: var(--bg-card);
}

.form-note {
  font-size: 0.85rem;
  color: var(--accent-2);
  text-align: center;
  min-height: 1.2rem;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding-block: 1.75rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
}

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

.footer-top {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.footer-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}

/* =========================================
   SCROLL ANIMATIONS
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-photo {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* Project Grid Tablet Layout - sitting before 768px query so mobile can override it */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .hamburger {
    display: flex;
  }

  .timeline::before {
    left: 14px;
  }

  .timeline-dot {
    width: 30px;
    height: 30px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .about-stats {
    /* removed column stacking to allow 2x2 wrapping */
    gap: 0.75rem;
  }

  .contact-form {
    padding: 1.5rem 1.25rem;
  }

  .timeline-date {
    margin-left: 0;
  }
}



.project-thumb {
  position: relative;
  width: 100%;
  height: 320px;
  overflow: hidden;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  flex-shrink: 0;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s ease;
  display: block;
}

.project-card:hover .project-thumb img {
  transform: scale(1.06);
}

.project-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.65) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 0.9rem 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.project-thumb-overlay span {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(108, 99, 255, 0.7);
  padding: 0.3em 0.8em;
  border-radius: 100px;
  backdrop-filter: blur(4px);
}

.project-card-body {
  padding: 1.4rem 1.6rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.project-count {
  font-size: 0.78rem;
  color: var(--accent-2);
  font-weight: 600;
  background: rgba(0, 212, 170, 0.1);
  padding: 0.25em 0.8em;
  border-radius: 100px;
  border: 1px solid rgba(0, 212, 170, 0.2);
}

.btn-gallery {
  margin-top: auto;
  padding-block: 0.6rem;
  font-size: 0.88rem;
}

/* =========================================
   LIGHTBOX
   ========================================= */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5, 6, 12, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.lightbox-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-inner {
  width: 100%;
  max-width: 95vw;
  /* Expanded for wide content */
  height: 95svh;
  /* Use svh for better mobile support */
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transform: scale(0.93);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}


.lightbox-overlay.open .lightbox-inner {
  transform: scale(1);
}

/* Header */
.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.25rem;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.lightbox-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lightbox-counter {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  min-width: 48px;
  text-align: right;
}

.lightbox-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.lightbox-close:hover {
  background: #ef4444;
  border-color: #ef4444;
  transform: rotate(90deg);
}

/* Stage — main media area (transparent to adapt to ratio) */
.lightbox-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: visible;
  /* Allow shadow/glow expansion */
}


.lightbox-stage img,
.lightbox-stage video {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
  /* Moved background/border here for "adaptive" feel */
  background: rgba(23, 25, 35, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  animation: lbFadeIn 0.3s ease;
}


@keyframes lbFadeIn {
  from {
    opacity: 0;
    transform: scale(0.97);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Nav row */
.lightbox-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lightbox-btn {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.lightbox-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.lightbox-btn:disabled {
  opacity: 0.25;
  cursor: default;
}

/* Thumbnails strip */
.lightbox-thumbs {
  flex: 1;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.2rem 0;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}

.lightbox-thumbs::-webkit-scrollbar {
  height: 4px;
}

.lightbox-thumbs::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 2px;
}

.lb-thumb {
  flex-shrink: 0;
  width: 56px;
  height: 42px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  opacity: 0.55;
}

.lb-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lb-thumb.video-thumb {
  background: rgba(108, 99, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.lb-thumb.active,
.lb-thumb:hover {
  border-color: var(--accent);
  opacity: 1;
}

/* =========================================
   RESPONSIVE — lightbox & new cards
   ========================================= */
@media (max-width: 768px) {
  .project-thumb {
    height: 160px;
  }

  .lightbox-stage {
    max-height: calc(95svh - 180px);
  }

  .lb-thumb {
    width: 44px;
    height: 34px;
  }
}