/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS Variables ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --border-glass: rgba(255, 255, 255, 0.08);
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --accent-1: #6c5ce7;
  --accent-2: #a855f7;
  --accent-3: #ec4899;
  --accent-4: #06b6d4;
  --gradient-primary: linear-gradient(135deg, #6c5ce7, #a855f7, #ec4899);
  --gradient-secondary: linear-gradient(135deg, #06b6d4, #6c5ce7);
  --gradient-glow: radial-gradient(ellipse at center, rgba(108,92,231,0.15) 0%, transparent 70%);
  --shadow-glow: 0 0 60px rgba(108, 92, 231, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-1) var(--bg-secondary);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  line-height: 1.2;
}

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

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

ul { list-style: none; }

::selection {
  background: var(--accent-1);
  color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--accent-1);
  border-radius: 10px;
}

/* ===== Background Ambient Effects ===== */
.bg-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-ambient .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
}

.bg-ambient .orb-1 {
  width: 500px;
  height: 500px;
  background: var(--accent-1);
  top: -15%;
  left: -10%;
  animation-delay: 0s;
}

.bg-ambient .orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-3);
  bottom: -10%;
  right: -10%;
  animation-delay: -7s;
}

.bg-ambient .orb-3 {
  width: 350px;
  height: 350px;
  background: var(--accent-4);
  top: 50%;
  left: 50%;
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.05); }
  66% { transform: translate(-30px, 20px) scale(0.95); }
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 0.7rem 2rem;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.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: 0.3rem 0;
}

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

.nav-links a:hover {
  color: var(--text-primary);
}

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

.nav-cta {
  padding: 0.5rem 1.3rem !important;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  color: #fff !important;
  font-weight: 600 !important;
  -webkit-text-fill-color: #fff !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 5px;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding: 6rem 2rem 4rem;
}

.hero-container {
  max-width: 1200px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-title .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(108, 92, 231, 0.4);
}

.btn-primary:hover::before { opacity: 1; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  backdrop-filter: blur(5px);
}

.btn-outline:hover {
  border-color: var(--accent-1);
  background: rgba(108, 92, 231, 0.1);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-glass);
}

.stat h3 {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat p {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
}

/* ===== 3D Cube ===== */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.cube-wrapper {
  width: 280px;
  height: 280px;
  perspective: 900px;
  cursor: grab;
}

.cube-wrapper:active { cursor: grabbing; }

.cube {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  animation: rotateCube 15s linear infinite;
}

.cube.paused {
  animation-play-state: paused;
}

.cube-face {
  position: absolute;
  width: 280px;
  height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  text-align: center;
  transition: border-color 0.3s;
  backface-visibility: visible;
}

.cube-face .face-icon {
  font-size: 2.8rem;
  margin-bottom: 0.2rem;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}

.cube-face .face-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.face-front {
  background: linear-gradient(135deg, rgba(108,92,231,0.6), rgba(168,85,247,0.4));
  transform: translateZ(140px);
}

.face-back {
  background: linear-gradient(135deg, rgba(236,72,153,0.6), rgba(168,85,247,0.4));
  transform: rotateY(180deg) translateZ(140px);
}

.face-right {
  background: linear-gradient(135deg, rgba(6,182,212,0.6), rgba(108,92,231,0.4));
  transform: rotateY(90deg) translateZ(140px);
}

.face-left {
  background: linear-gradient(135deg, rgba(168,85,247,0.6), rgba(236,72,153,0.4));
  transform: rotateY(-90deg) translateZ(140px);
}

.face-top {
  background: linear-gradient(135deg, rgba(34,197,94,0.6), rgba(6,182,212,0.4));
  transform: rotateX(90deg) translateZ(140px);
}

.face-bottom {
  background: linear-gradient(135deg, rgba(249,115,22,0.6), rgba(236,72,153,0.4));
  transform: rotateX(-90deg) translateZ(140px);
}

@keyframes rotateCube {
  0%   { transform: rotateX(-20deg) rotateY(0deg); }
  25%  { transform: rotateX(10deg)  rotateY(90deg); }
  50%  { transform: rotateX(-15deg) rotateY(180deg); }
  75%  { transform: rotateX(5deg)   rotateY(270deg); }
  100% { transform: rotateX(-20deg) rotateY(360deg); }
}

.cube-shadow {
  width: 200px;
  height: 20px;
  background: radial-gradient(ellipse, rgba(108,92,231,0.3), transparent 70%);
  margin: 2rem auto 0;
  border-radius: 50%;
  animation: shadowPulse 15s linear infinite;
}

@keyframes shadowPulse {
  0%, 50%, 100% { transform: scale(1); opacity: 0.5; }
  25%, 75% { transform: scale(0.85); opacity: 0.3; }
}

/* ===== Section Common ===== */
.section {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem;
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-2);
  margin-bottom: 0.8rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 550px;
  margin: 0 auto;
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-frame {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  position: relative;
  background: var(--bg-card);
}

.about-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-floating-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.about-floating-card .emoji { font-size: 1.5rem; }
.about-floating-card .info h4 { font-size: 0.9rem; font-weight: 700; }
.about-floating-card .info p { font-size: 0.75rem; color: var(--text-muted); }

.about-text h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.highlight-item:hover {
  border-color: var(--accent-1);
  background: rgba(108, 92, 231, 0.08);
  transform: translateX(5px);
}

.highlight-item .icon { font-size: 1.1rem; }

/* ===== Skills Section ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

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

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

.skill-card:hover {
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.skill-card:hover::before { transform: scaleX(1); }

.skill-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}

.skill-card:nth-child(1) .skill-icon { background: rgba(108,92,231,0.15); }
.skill-card:nth-child(2) .skill-icon { background: rgba(6,182,212,0.15); }
.skill-card:nth-child(3) .skill-icon { background: rgba(236,72,153,0.15); }

.skill-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.skill-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 1.2rem;
}

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

.skill-tag {
  padding: 0.3rem 0.8rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.skill-tag:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

/* ===== Projects Section ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  group: true;
}

.project-card:hover {
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(108, 92, 231, 0.15);
}

.project-thumbnail {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

.project-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.project-card:hover .project-thumbnail img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,15,0.9) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-smooth);
  display: flex;
  align-items: flex-end;
  padding: 1.2rem;
}

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

.project-overlay-links {
  display: flex;
  gap: 0.8rem;
}

.project-overlay-links a {
  padding: 0.4rem 1rem;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: 0.78rem;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.15);
  transition: var(--transition-fast);
}

.project-overlay-links a:hover {
  background: var(--accent-1);
  border-color: var(--accent-1);
}

.project-info {
  padding: 1.5rem;
}

.project-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-info p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1.5rem 1.5rem;
}

.project-tech span {
  padding: 0.2rem 0.6rem;
  background: var(--bg-glass);
  border-radius: 50px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ===== Timeline (Education & Experience) ===== */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), var(--accent-3), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

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

.timeline-dot {
  position: absolute;
  left: -2.85rem;
  top: 0.3rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-1);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.3);
  z-index: 2;
}

.timeline-dot.dot-accent {
  background: var(--accent-3);
  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.3);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateX(5px);
  box-shadow: var(--shadow-glow);
}

.timeline-content.experience-card {
  border-left: 3px solid var(--accent-3);
}

.timeline-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.timeline-header-row h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.timeline-date {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(168, 85, 247, 0.1);
  padding: 0.25rem 0.8rem;
  border-radius: 50px;
  white-space: nowrap;
}

.timeline-subtitle {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
  font-family: 'Inter', sans-serif;
}

.timeline-list {
  list-style: none;
  padding: 0;
}

.timeline-list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.timeline-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-size: 1rem;
}

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

/* ===== Certifications Section ===== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.4rem 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.cert-card:hover {
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.cert-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 92, 231, 0.1);
  border-radius: var(--radius-sm);
  font-size: 1.4rem;
}

.cert-card:nth-child(2) .cert-icon { background: rgba(236, 72, 153, 0.1); }
.cert-card:nth-child(3) .cert-icon { background: rgba(6, 182, 212, 0.1); }
.cert-card:nth-child(4) .cert-icon { background: rgba(249, 115, 22, 0.1); }
.cert-card:nth-child(5) .cert-icon { background: rgba(34, 197, 94, 0.1); }
.cert-card:nth-child(6) .cert-icon { background: rgba(168, 85, 247, 0.1); }

.cert-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.cert-issuer {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Achievements ===== */
.achievements-section {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.achievements-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.achievements-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}

.achievement-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1.2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.achievement-item:hover {
  border-color: var(--accent-1);
  transform: translateX(5px);
}

.achievement-icon {
  font-size: 1.3rem;
  min-width: 28px;
  padding-top: 2px;
}

.achievement-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Contact Section ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.contact-wrapper::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(108,92,231,0.1), transparent 60%);
  pointer-events: none;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.contact-method:hover {
  border-color: var(--accent-1);
  transform: translateX(5px);
}

.contact-method .method-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108,92,231,0.1);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
}

.contact-method .method-text h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

.contact-method .method-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  padding: 0.85rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

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

.form-submit {
  padding: 0.95rem 2rem;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.form-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(108, 92, 231, 0.4);
}

/* ===== Footer ===== */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-glass);
  padding: 3rem 2rem;
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

.footer-socials {
  display: flex;
  gap: 0.8rem;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: var(--transition-smooth);
}

.footer-socials a:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-3px);
}

/* ===== Scroll Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-subtitle { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image-frame { max-width: 350px; margin: 0 auto; }

  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .form-row { grid-template-columns: 1fr; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    height: 100vh;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
    border-left: 1px solid var(--border-glass);
  }

  .nav-links.open { right: 0; }
  .hamburger { display: flex; }
}

@media (max-width: 600px) {
  .hero-stats { flex-direction: column; gap: 1rem; align-items: center; }
  .about-highlights { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .achievements-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 1.8rem; }
  .timeline-dot { left: -2.15rem; width: 12px; height: 12px; }
  .timeline-content { padding: 1.3rem; }
  .timeline-header-row { flex-direction: column; gap: 0.5rem; }
  .timeline-date { align-self: flex-start; }
  .achievements-section { padding: 1.5rem; }
  .cube-wrapper { width: 200px; height: 200px; }
  .cube-face { width: 200px; height: 200px; }
  .face-front  { transform: translateZ(100px); }
  .face-back   { transform: rotateY(180deg) translateZ(100px); }
  .face-right  { transform: rotateY(90deg) translateZ(100px); }
  .face-left   { transform: rotateY(-90deg) translateZ(100px); }
  .face-top    { transform: rotateX(90deg) translateZ(100px); }
  .face-bottom { transform: rotateX(-90deg) translateZ(100px); }
}