/* ==========================================================================
   PORTFOLIO STYLESHEET - DARK TECH AESTHETIC
   Designed for Fresher @ VIT Vellore
   ========================================================================== */

/* --- CSS Variables & Theme Tokens --- */
:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-surface: rgba(18, 24, 38, 0.7);
  --bg-surface-hover: rgba(30, 41, 59, 0.85);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(56, 189, 248, 0.35);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-purple: #a855f7;
  
  --gradient-accent: linear-gradient(135deg, #38bdf8 0%, #6366f1 50%, #a855f7 100%);
  --gradient-glow: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, rgba(99, 102, 241, 0.05) 50%, transparent 70%);

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.2);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

::selection {
  background: rgba(56, 189, 248, 0.3);
  color: #ffffff;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* --- Container --- */
.container {
  width: 90%;
  max-width: 1140px;
  margin: 0 auto;
}

/* --- Ambient Background Lights --- */
.ambient-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.45;
}

.glow-1 {
  top: -100px;
  right: -50px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.35), transparent 70%);
}

.glow-2 {
  top: 40%;
  left: -150px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25), transparent 70%);
}

.glow-3 {
  bottom: 10%;
  right: -100px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.2), transparent 70%);
}

/* Interactive Cursor Follower */
.cursor-glow {
  position: fixed;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.08), transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 999;
  transition: opacity 0.3s ease;
  opacity: 0;
}

@media (pointer: fine) {
  .cursor-glow {
    opacity: 1;
  }
}

/* --- Typography & Utilities --- */
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.highlight-text {
  color: var(--accent-cyan);
  font-weight: 600;
}

.text-white {
  color: #fff;
}

.highlight-link {
  color: var(--accent-cyan);
  transition: var(--transition);
}

.highlight-link:hover {
  text-decoration: underline;
  color: #fff;
}

/* Glass Card Component */
.glass-card {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.12);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.btn-outline:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* --- Sections Common Header --- */
.section {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 50px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-block;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

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

/* ================= NAVBAR ================= */
.navbar-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(9, 13, 22, 0.75);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar-wrapper.scrolled {
  background: rgba(9, 13, 22, 0.92);
  box-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.7);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

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

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-accent);
  transition: width 0.25s ease;
  border-radius: 2px;
}

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

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

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
}

/* ================= HERO SECTION ================= */
.hero-section {
  padding-top: 110px;
  padding-bottom: 72px;
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
  gap: 40px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: #34d399;
  margin-bottom: 24px;
}

.status-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 20px;
  height: 40px;
}

.typing-text {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.cursor-blink {
  color: var(--accent-cyan);
  animation: blink 0.8s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.social-bar {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-icon:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: #fff;
  transform: translateY(-3px);
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 38px;
}

.portrait-card {
  padding: 12px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.portrait-frame {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(99, 102, 241, 0.14));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 8px;
}

.portrait-frame img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
  box-shadow: 0 18px 30px -18px rgba(0, 0, 0, 0.8);
}

.portrait-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 12px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #86efac;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 10px rgba(52, 211, 153, 0.8);
}

/* Hero Code Window Visual */
.code-window {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.8), 0 0 25px rgba(56, 189, 248, 0.08);
  overflow: hidden;
  font-family: var(--font-mono);
}

.window-header {
  background: #161b22;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.window-title {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.window-badge {
  font-size: 0.7rem;
  color: var(--text-faint);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
}

.code-body {
  padding: 20px;
  font-size: 0.86rem;
  line-height: 1.7;
  overflow-x: auto;
}

.c-key { color: #7ee787; }
.c-str { color: #a5d6ff; }
.c-num { color: #79c0ff; }
.c-bool { color: #ff7b72; }

/* ================= ABOUT SECTION ================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
}

.about-card {
  padding: 36px;
}

.about-card h3 {
  font-size: 1.5rem;
  margin-bottom: 18px;
  color: #fff;
}

.about-card p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.stat-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

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

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.highlight-card {
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.highlight-icon {
  width: 46px;
  height: 46px;
  min-width: 46px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.2rem;
}

.highlight-card h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: #fff;
}

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

/* ================= SKILLS SECTION ================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.skill-group {
  padding: 28px;
}

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

.skill-group-icon {
  font-size: 1.3rem;
  color: var(--accent-cyan);
}

.skill-group h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.skill-badge i {
  color: var(--accent-cyan);
}

.skill-badge:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.35);
  color: #fff;
  transform: translateY(-2px);
}

/* ================= PROJECTS SECTION ================= */
.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 38px;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
  background: var(--gradient-accent);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.25);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.project-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.project-type-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  background: rgba(56, 189, 248, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.project-links {
  display: flex;
  gap: 14px;
}

.project-links a {
  color: var(--text-muted);
  font-size: 1.15rem;
  transition: var(--transition);
}

.project-links a:hover {
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.project-title {
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 12px;
}

.project-description {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.project-features {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-features li i {
  color: var(--accent-emerald);
  font-size: 0.75rem;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.project-tech-stack span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
}

/* ================= EDUCATION TIMELINE ================= */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-indigo), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-dot {
  position: absolute;
  left: -29px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  border: 3px solid var(--bg-primary);
}

.timeline-content {
  padding: 30px;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.timeline-badge {
  font-size: 0.75rem;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent-cyan);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.timeline-title {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 4px;
}

.timeline-institution {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.timeline-text {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.timeline-courses {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.course-pill {
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

/* ================= ACHIEVEMENTS ================= */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.achievement-card {
  padding: 28px;
  text-align: center;
}

.achievement-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.4rem;
}

.achievement-card h3 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 10px;
}

.achievement-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ================= CONTACT SECTION ================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
}

.contact-info {
  padding: 36px;
}

.contact-info h3 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 30px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.c-icon {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

.c-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.c-value {
  font-size: 0.94rem;
  color: var(--text-main);
  font-weight: 500;
}

.contact-form-card {
  padding: 36px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
  background: rgba(10, 14, 23, 0.9);
}

.form-notification {
  margin-top: 18px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.hidden {
  display: none !important;
}

/* ================= MODAL ================= */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.show {
  display: flex;
}

.modal-dialog {
  max-width: 500px;
  width: 100%;
  padding: 30px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.modal-header h3 {
  font-size: 1.3rem;
  color: #fff;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover {
  color: #fff;
}

.modal-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.resume-preview-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.resume-icon {
  font-size: 2.2rem;
  color: #ef4444;
}

.resume-preview-box strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
}

.resume-preview-box p {
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-bottom: 0;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ================= FOOTER ================= */
.footer {
  border-top: 1px solid var(--border-color);
  background: rgba(9, 13, 22, 0.85);
  padding: 40px 0 25px;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.footer-info p {
  font-size: 0.88rem;
  color: var(--text-faint);
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.82rem;
  color: var(--text-faint);
}

/* ================= RESPONSIVE DESIGN ================= */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 28px;
  }

  .hero-visual {
    padding-top: 0;
  }

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

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

@media (max-width: 768px) {
  .hero-section {
    padding-top: 96px;
    padding-bottom: 56px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(9, 13, 22, 0.97);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    transform: translateY(-150%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
  }

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

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
    height: 32px;
  }

  .portrait-frame img {
    height: 200px;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .about-stats-grid {
    grid-template-columns: 1fr;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
}