/* ==========================================================================
   RITIK YADAV - CLASSY LIGHT & MINIMALIST AESTHETIC PORTFOLIO DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Classy Light Color Palette */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-accent-subtle: #f1f5f9;

  --border-light: #e2e8f0;
  --border-hover: #cbd5e1;
  --border-glow: rgba(79, 70, 229, 0.25);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-indigo: #4f46e5;
  --accent-violet: #7c3aed;
  --accent-teal: #0d9488;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-blue: #2563eb;

  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --gradient-text: linear-gradient(135deg, #0f172a 20%, #4f46e5 100%);
  --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);

  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-main);
  --font-mono: 'JetBrains Mono', monospace;

  /* Elevation & Shadows */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 35px rgba(15, 23, 42, 0.09);
  --shadow-hover: 0 14px 40px rgba(79, 70, 229, 0.12);

  /* Layout */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --container-max: 1180px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Background Lighting */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
  animation: floatOrb 20s ease-in-out infinite alternate;
}

.glow-orb-1 {
  top: -10%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: #c7d2fe;
}

.glow-orb-2 {
  top: 45%;
  right: -5%;
  width: 550px;
  height: 550px;
  background: #ddd6fe;
  animation-delay: -7s;
}

.glow-orb-3 {
  bottom: -10%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: #ccfbf1;
  animation-delay: -14s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, 50px) scale(1.08); }
  100% { transform: translate(-25px, -30px) scale(0.95); }
}

/* Container & Grid */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: var(--radius-full);
  color: var(--accent-indigo);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--accent-indigo);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  background: #4338ca;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.45);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: var(--accent-indigo);
  color: var(--accent-indigo);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.88rem;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.85rem 0;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.brand-badge {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-indigo);
  transition: var(--transition-fast);
  border-radius: 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  padding-bottom: 4rem;
}

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

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(5, 150, 105, 0.1);
  border: 1px solid rgba(5, 150, 105, 0.25);
  border-radius: var(--radius-full);
  color: var(--accent-emerald);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

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

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.18rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* Quick Tech Badges */
.hero-tech-stack {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.hero-tech-title {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: 100%;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.tech-pill:hover {
  border-color: var(--accent-indigo);
  color: var(--accent-indigo);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Hero Right Profile Card */
.hero-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: var(--transition-normal);
}

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

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-primary);
}

.profile-avatar-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 1.5rem auto;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid #ffffff;
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.2);
  background: #f1f5f9;
}

.profile-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.profile-avatar-fallback {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
  border: 3px solid #ffffff;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  color: var(--accent-indigo);
}

.profile-info {
  text-align: center;
}

.profile-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.profile-role {
  font-size: 0.95rem;
  color: var(--accent-indigo);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

/* Metrics Banner Grid */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

.stat-item {
  background: #f8fafc;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition-fast);
}

.stat-item:hover {
  border-color: var(--accent-indigo);
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-indigo);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

/* ==========================================================================
   EXPERIENCE SECTION (TIMELINE)
   ========================================================================== */

.timeline {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-indigo) 0%, #cbd5e1 100%);
}

.timeline-item {
  position: relative;
  padding-left: 70px;
  margin-bottom: 3rem;
}

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

.timeline-icon {
  position: absolute;
  left: 12px;
  top: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--accent-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-indigo);
  font-size: 0.9rem;
  box-shadow: 0 0 10px rgba(79, 70, 229, 0.2);
  z-index: 2;
}

.timeline-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.timeline-content:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.company-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.company-title span {
  color: var(--accent-indigo);
  font-weight: 600;
}

.role-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: var(--radius-full);
  color: var(--accent-indigo);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.3rem;
}

.timeline-date {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  background: #f8fafc;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.timeline-bullets li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

.timeline-bullets li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent-indigo);
  font-size: 0.85rem;
}

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

/* ==========================================================================
   FEATURED PROJECTS SECTION
   ========================================================================== */

.project-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.55rem 1.35rem;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-indigo);
  border-color: var(--accent-indigo);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.project-banner {
  height: 190px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #e0e7ff 0%, #f1f5f9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-light);
}

.project-banner-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--accent-indigo);
  font-size: 2.6rem;
}

.project-banner-placeholder span {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.project-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.3rem 0.8rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--accent-indigo);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.25rem 0.65rem;
  background: #f1f5f9;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.project-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-indigo);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.project-link:hover {
  color: #3730a3;
  transform: translateX(3px);
}

/* ==========================================================================
   SKILLS MATRIX SECTION
   ========================================================================== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.skill-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-indigo);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.skill-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.skill-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-item-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition-fast);
}

.skill-item-badge:hover {
  border-color: var(--accent-indigo);
  background: rgba(79, 70, 229, 0.06);
  color: var(--accent-indigo);
  transform: translateY(-2px);
}

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

/* ==========================================================================
   EDUCATION & ACHIEVEMENTS
   ========================================================================== */

.edu-achieve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.edu-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.edu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--accent-indigo);
}

.edu-institution {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.edu-degree {
  font-size: 1rem;
  color: var(--accent-indigo);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.edu-cgpa {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  background: rgba(5, 150, 105, 0.1);
  border: 1px solid rgba(5, 150, 105, 0.25);
  color: var(--accent-emerald);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.coursework-title {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

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

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

.achieve-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.achieve-item:hover {
  border-color: var(--border-hover);
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.achieve-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(217, 119, 6, 0.1);
  border: 1px solid rgba(217, 119, 6, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-amber);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.achieve-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

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

.achieve-desc a {
  color: var(--accent-indigo);
  text-decoration: none;
  font-weight: 600;
}

.achieve-desc a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   CONTACT & FOOTER
   ========================================================================== */

.contact-card {
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.contact-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.6rem;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--accent-indigo);
  background: #ffffff;
  transform: translateY(-3px);
  color: var(--accent-indigo);
  box-shadow: var(--shadow-md);
}

.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-light);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: #ffffff;
}

.footer-socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.social-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #f8fafc;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

.social-circle:hover {
  border-color: var(--accent-indigo);
  color: var(--accent-indigo);
  background: #ffffff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .edu-achieve-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: #ffffff;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: var(--transition-normal);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }

  .timeline::before {
    left: 18px;
  }

  .timeline-item {
    padding-left: 50px;
  }

  .timeline-icon {
    left: 2px;
  }

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