/* =============================================
   SNEHA NARAYAN PORTFOLIO — MAIN STYLESHEET
   Design: Navy & Gold Law-Firm Aesthetic
   ============================================= */

/* ---- CSS VARIABLES ---- */
:root {
  /* Color System */
  --navy-950: #060d17;
  --navy-900: #0b1828;
  --navy-800: #0f1c2e;
  --navy-700: #152436;
  --navy-600: #1a2f4b;
  --navy-500: #1e3a5f;
  --navy-400: #2a4f7c;
  --navy-300: #3a6899;

  --gold-600: #a07830;
  --gold-500: #c9973c;
  --gold-400: #d4a84b;
  --gold-300: #e6c455;
  --gold-200: #f0d780;
  --gold-100: #faf0cc;

  --teal-600: #0d4a4a;
  --teal-400: #1a7a7a;
  --teal-200: #4db8b8;

  --slate-600: #334155;
  --slate-400: #64748b;

  --success: #166534;
  --success-bg: #dcfce7;
  --success-border: #16a34a;
  --error: #991b1b;
  --error-bg: #fee2e2;
  --error-border: #dc2626;

  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.20);
  --shadow-gold: 0 4px 20px rgba(201,151,60,0.25);

  /* Border */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- TYPOGRAPHY SCALE ---- */
h1, h2, h3, h4 { font-family: var(--font-serif); line-height: 1.2; }
p { line-height: 1.7; }

/* ---- LAYOUT UTILITIES ---- */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

/* ---- NAVIGATION ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-5) 0;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

.navbar.scrolled {
  background: rgba(11, 24, 40, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  padding: var(--space-4) 0;
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.nav-logo .logo-dot { color: var(--gold-400); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.03em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold-400);
  transition: width var(--transition-base);
}

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

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

.nav-resume {
  color: var(--gold-400) !important;
  border: 1px solid var(--gold-400);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast) !important;
}

.nav-resume:hover {
  background: var(--gold-400);
  color: var(--navy-900) !important;
}

.nav-resume::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.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 SECTION ---- */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-800) 50%, var(--navy-600) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,151,60,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,151,60,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201,151,60,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(30,58,95,0.4) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 100px var(--space-6) var(--space-16);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-16);
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(201,151,60,0.12);
  border: 1px solid rgba(201,151,60,0.3);
  color: var(--gold-300);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(74,222,128,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 4px rgba(74,222,128,0); }
}

.hero-name {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.hero-name-gold { color: var(--gold-400); }

.hero-title {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.hero-institution {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-5);
}

.hero-location {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color: var(--navy-900);
  box-shadow: 0 4px 15px rgba(201,151,60,0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-300));
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201,151,60,0.4);
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.35);
}

.btn-outline {
  background: transparent;
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.25);
}

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

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

/* ---- HERO PHOTO ---- */
.hero-photo {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.photo-ring {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  padding: 5px;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-300), var(--gold-500));
  animation: rotate-ring 8s linear infinite;
}

@keyframes rotate-ring {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}

.photo-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--navy-700);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid var(--navy-800);
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.profile-initials {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 700;
  color: var(--gold-400);
  background: linear-gradient(135deg, var(--navy-700), var(--navy-600));
}

.photo-badge {
  position: absolute;
  bottom: 10px;
  right: -10px;
  background: var(--navy-700);
  border: 1px solid rgba(201,151,60,0.3);
  color: var(--gold-300);
  font-size: 0.78rem;
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-md);
  letter-spacing: 0.04em;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---- SECTION HEADERS ---- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--navy-800);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
}

/* ---- REVEAL ANIMATIONS ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.animate-fade-up {
  opacity: 0;
  transform: translateY(25px);
  animation: fadeUp 0.8s ease forwards;
}

.animate-fade-left {
  opacity: 0;
  transform: translateX(40px);
  animation: fadeLeft 0.9s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }
.delay-5 { animation-delay: 0.7s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeLeft {
  to { opacity: 1; transform: translateX(0); }
}

/* ---- ABOUT SECTION ---- */
.about {
  background: var(--gray-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-16);
  align-items: start;
}

.about-lead {
  font-size: 1.15rem;
  color: var(--navy-700);
  font-weight: 500;
  margin-bottom: var(--space-5);
  line-height: 1.7;
}

.about-body {
  color: var(--gray-600);
  margin-bottom: var(--space-6);
  font-size: 1rem;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  background: rgba(15,28,46,0.07);
  border: 1px solid rgba(15,28,46,0.12);
  color: var(--navy-700);
  font-size: 0.8rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--navy-800);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold-500);
}

.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: var(--space-2);
  line-height: 1.3;
}

/* ---- EDUCATION SECTION ---- */
.education { background: var(--white); }

.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.edu-timeline {
  position: relative;
  padding-left: var(--space-10);
}

.edu-timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold-400), var(--navy-300), var(--gray-200));
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-10);
}

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

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gray-300);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--gray-300);
}

.timeline-dot.gold {
  background: var(--gold-400);
  box-shadow: 0 0 0 2px var(--gold-400), 0 0 0 5px rgba(201,151,60,0.15);
}

.timeline-content {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-base);
}

.timeline-content:hover {
  box-shadow: var(--shadow-md);
}

.timeline-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  background: var(--gray-200);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.timeline-badge.current {
  color: var(--gold-600);
  background: rgba(201,151,60,0.12);
  border: 1px solid rgba(201,151,60,0.3);
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy-800);
  margin-bottom: var(--space-2);
}

.timeline-org {
  font-size: 0.9rem;
  color: var(--gray-600);
  font-weight: 500;
  margin-bottom: var(--space-1);
}

.timeline-period {
  font-size: 0.82rem;
  color: var(--gray-400);
  margin-bottom: var(--space-3);
}

.timeline-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.cert-heading {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy-800);
  margin-bottom: var(--space-4);
}

.cert-card {
  display: flex;
  gap: var(--space-5);
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  border: 1px solid rgba(201,151,60,0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  color: var(--white);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

.cert-logo {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: rgba(201,151,60,0.15);
  border: 1px solid rgba(201,151,60,0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-300);
}

.cert-issuer {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-300);
  display: block;
  margin-bottom: var(--space-2);
}

.cert-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.cert-focus {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.cert-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.78rem;
  color: var(--gold-300);
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-400);
  flex-shrink: 0;
}

.status-dot.pulse {
  animation: pulse-gold 2s infinite;
}

@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201,151,60,0.4); }
  50% { box-shadow: 0 0 0 5px rgba(201,151,60,0); }
}

.learning-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.learning-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: 0.875rem;
  color: var(--gray-700);
  font-weight: 500;
  transition: background var(--transition-fast);
}

.learning-card svg { color: var(--gold-500); flex-shrink: 0; }

.learning-card:hover { background: var(--white); }

/* ---- EXPERIENCE SECTION ---- */
.experience { background: var(--gray-50); }

.exp-filter {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
  justify-content: center;
}

.filter-btn {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gray-500);
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--navy-800);
  color: var(--white);
  border-color: var(--navy-800);
}

.exp-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-6);
}

.exp-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.exp-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  border-radius: 2px 0 0 2px;
}

.exp-card[data-category="psu"]::before { background: var(--gold-400); }
.exp-card[data-category="supreme"]::before { background: var(--teal-400); }
.exp-card[data-category="district"]::before { background: var(--slate-400); }
.exp-card[data-category="adr"]::before { background: #2563eb; }

.exp-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.exp-card.hidden { display: none; }

.exp-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.exp-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.exp-icon.psu { background: rgba(201,151,60,0.1); color: var(--gold-500); }
.exp-icon.supreme { background: rgba(26,122,122,0.1); color: var(--teal-400); }
.exp-icon.district { background: rgba(100,116,139,0.1); color: var(--slate-400); }
.exp-icon.adr { background: rgba(37,99,235,0.1); color: #3b82f6; }
.exp-icon.litigation { background: rgba(100,116,139,0.1); color: var(--slate-400); }

.exp-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.exp-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.psu-tag { color: var(--gold-600); background: rgba(201,151,60,0.1); }
.supreme-tag { color: var(--teal-400); background: rgba(26,122,122,0.1); }
.district-tag { color: var(--slate-600); background: rgba(100,116,139,0.1); }
.adr-tag { color: #1d4ed8; background: rgba(37,99,235,0.1); }

.exp-period {
  font-size: 0.78rem;
  color: var(--gray-400);
}

.exp-org {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy-800);
  margin-bottom: var(--space-1);
}

.exp-role {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.exp-sub {
  font-size: 0.78rem;
  color: var(--gray-400);
  line-height: 1.5;
  margin-bottom: var(--space-3);
  font-style: italic;
}

.exp-incoming-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #166534;
  background: #dcfce7;
  border: 1px solid #16a34a;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.exp-points {
  list-style: none;
  margin-bottom: var(--space-4);
}

.exp-points li {
  font-size: 0.85rem;
  color: var(--gray-600);
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  position: relative;
  border-bottom: 1px solid var(--gray-100);
  line-height: 1.5;
}

.exp-points li:last-child { border-bottom: none; }

.exp-points li::before {
  content: '›';
  position: absolute;
  left: 0;
  top: var(--space-2);
  color: var(--gold-500);
  font-weight: 700;
  font-size: 1rem;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.exp-tag-item {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-100);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

/* ---- PROJECTS SECTION ---- */
.projects { background: var(--white); }

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.project-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-number {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(15,28,46,0.05);
  line-height: 1;
  pointer-events: none;
}

.project-content {
  padding: var(--space-8);
}

.project-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-300);
  margin-bottom: var(--space-5);
}

.project-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy-800);
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

.project-scope {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.project-topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.topic-tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--navy-600);
  background: rgba(15,28,46,0.06);
  border: 1px solid rgba(15,28,46,0.1);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* ---- SKILLS SECTION ---- */
.skills-section { background: var(--gray-50); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.skills-col {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow var(--transition-base);
}

.skills-col:hover { box-shadow: var(--shadow-md); }

.skills-col-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--gray-100);
}

.skills-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-300);
  flex-shrink: 0;
}

.skills-col-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-800);
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.pill {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-700);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  opacity: 0;
  transform: scale(0.9);
  transition: background var(--transition-fast), color var(--transition-fast), opacity 0.4s ease, transform 0.4s ease;
}

.pill.visible {
  opacity: 1;
  transform: scale(1);
}

.pill:hover {
  background: var(--navy-800);
  color: var(--white);
  border-color: var(--navy-800);
}

.interests-section { margin-top: var(--space-4); }

.interests-heading {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy-800);
  text-align: center;
  margin-bottom: var(--space-8);
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.interest-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy-700);
  transition: all var(--transition-base);
  cursor: default;
}

.interest-card svg { color: var(--gold-500); }

.interest-card:hover {
  background: var(--navy-800);
  color: var(--white);
  border-color: var(--navy-800);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.interest-card:hover svg { color: var(--gold-300); }

/* ---- CONTACT SECTION ---- */
.contact { background: var(--white); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-intro {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-fast);
}

.contact-item:not(.no-link):hover {
  background: var(--navy-800);
  border-color: var(--navy-800);
}

.contact-item:not(.no-link):hover .contact-icon { background: rgba(255,255,255,0.1); color: var(--gold-300); }
.contact-item:not(.no-link):hover .contact-label { color: rgba(255,255,255,0.6); }
.contact-item:not(.no-link):hover .contact-value { color: var(--white); }

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(15,28,46,0.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-600);
  flex-shrink: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.contact-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 2px;
  transition: color var(--transition-fast);
}

.contact-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy-800);
  transition: color var(--transition-fast);
}

/* ---- CONTACT FORM ---- */
.contact-form-wrap {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--gray-800);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--navy-500);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--error-border);
}

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

.field-error {
  font-size: 0.78rem;
  color: var(--error);
  font-weight: 500;
  min-height: 1rem;
}

.form-message {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  margin-top: var(--space-4);
}

.form-message.success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.form-message.error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error-border);
}

/* Spin animation */
.spin {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---- FOOTER ---- */
.footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.6);
}

.footer-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer-top {
  padding: var(--space-16) 0 var(--space-12);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.footer-logo span { color: var(--gold-400); }

.footer-brand p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-1);
}

.footer-brand span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
}

.footer-nav h4,
.footer-contact-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: var(--space-5);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}

.footer-nav a:hover { color: var(--white); }

.footer-contact-col {
  display: flex;
  flex-direction: column;
}

.footer-contact-col a,
.footer-contact-col span {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
  display: block;
}

.footer-contact-col a:hover { color: var(--white); }

.footer-bottom {
  padding: var(--space-6) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom a {
  color: var(--gold-400);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover { color: var(--gold-300); }

/* ---- TOAST ---- */
.toast {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  background: var(--navy-800);
  color: var(--white);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
  border-left: 3px solid var(--gold-400);
  max-width: 320px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; gap: var(--space-10); }
  .hero-photo { order: -1; }
  .photo-ring { width: 220px; height: 220px; }
  .about-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .interests-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: var(--space-16) 0; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--navy-900);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-6);
    transition: right var(--transition-slow);
    border-left: 1px solid rgba(255,255,255,0.08);
    z-index: 999;
    padding: var(--space-20) var(--space-8);
  }

  .nav-links.open { right: 0; }

  .hamburger { display: flex; z-index: 1000; }

  .nav-link { font-size: 1.1rem; }

  .hero-name { font-size: 2.8rem; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }

  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .interests-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .exp-cards { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }

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

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .hero-container { padding: 90px var(--space-4) var(--space-12); }
  .section-title { font-size: 1.6rem; }
  .about-stats { grid-template-columns: 1fr; }
  .interests-grid { grid-template-columns: 1fr; }
  .toast { right: var(--space-4); left: var(--space-4); max-width: 100%; }
}