/* ===========================
   CSS VARIABLES
=========================== */
:root {
  --bg:         #080b14;
  --bg-2:       #0d1117;
  --bg-card:    #0f1521;
  --border:     rgba(255,255,255,0.07);
  --accent:     #6366f1;
  --accent-2:   #a855f7;
  --accent-3:   #06b6d4;
  --text:       #e2e8f0;
  --text-muted: #64748b;
  --text-dim:   #94a3b8;
  --glow:       rgba(99,102,241,0.3);
  --font-display: 'Clash Display', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

/* ===========================
   RESET
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 99px; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
section { padding: 6rem 0; }
.section-dark { background: var(--bg-2); }

/* ===========================
   TYPOGRAPHY
=========================== */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.highlight {
  color: var(--accent);
  font-weight: 500;
}

/* ===========================
   LOADER
=========================== */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}

#loader.hidden { opacity: 0; visibility: hidden; }

.loader-inner { text-align: center; }

.loader-text {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 1rem;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}

.loader-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 99px;
  animation: loadFill 1.5s ease forwards;
}

@keyframes loadFill {
  to { width: 100%; }
}

/* ===========================
   SCROLL PROGRESS
=========================== */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 9998;
  width: 0%;
  transition: width 0.1s;
}

/* ===========================
   CUSTOM CURSOR
=========================== */
#cursor {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9997;
  transform: translate(-50%, -50%);
  transition: transform 0.1s;
}

#cursor-follower {
  width: 32px; height: 32px;
  border: 1px solid rgba(99,102,241,0.5);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9996;
  transform: translate(-50%, -50%);
  transition: all 0.15s ease;
}

@media (max-width: 768px) {
  #cursor, #cursor-follower { display: none; }
}

/* ===========================
   NAVBAR
=========================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,11,20,0.8);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.3s;
}

#navbar.scrolled {
  background: rgba(8,11,20,0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 3rem;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

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

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

.nav-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.25s;
}

.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }

.nav-resume {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.45rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
  flex-shrink: 0;
}

.nav-resume:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--glow);
}

.resume-arrow { font-size: 0.75rem; }

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

.hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text);
  transition: all 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.mobile-menu.open { display: flex; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-resume { display: none; }
  .hamburger { display: flex; }
}

/* ===========================
   SCROLL REVEAL
=========================== */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up    { transform: translateY(30px); }
.reveal-left  { transform: translateX(-30px); }
.reveal-right { transform: translateX(30px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ===========================
   SECTION HEADERS
=========================== */
.section-header { margin-bottom: 3.5rem; }

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
}

/* ===========================
   BUTTONS
=========================== */
.btn-glow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 20px var(--glow);
  position: relative;
  overflow: hidden;
}

.btn-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--glow);
}

.btn-glow:hover::before { opacity: 1; }
.btn-glow span, .btn-glow svg { position: relative; z-index: 1; }
.btn-glow svg { width: 18px; height: 18px; }
.btn-sm { padding: 0.6rem 1.25rem; font-size: 0.875rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all 0.3s;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-disabled-dark {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.03);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  border: 1px dashed var(--border);
  cursor: not-allowed;
}

/* ===========================
   TECH TAGS
=========================== */
.tech-tag {
  display: inline-block;
  background: rgba(99,102,241,0.1);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid rgba(99,102,241,0.2);
  transition: all 0.2s;
}

.tech-tag:hover {
  background: rgba(99,102,241,0.2);
  border-color: var(--accent);
}

/* ===========================
   HERO
=========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 68px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px; height: 500px;
  background: rgba(99,102,241,0.12);
  top: -100px; right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 350px; height: 350px;
  background: rgba(168,85,247,0.08);
  bottom: -50px; left: -50px;
  animation-delay: 3s;
}

.orb-3 {
  width: 250px; height: 250px;
  background: rgba(6,182,212,0.06);
  top: 50%; left: 40%;
  animation-delay: 6s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(20px, -20px) scale(1.05); }
  66%  { transform: translate(-10px, 15px) scale(0.95); }
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 6rem;
  align-items: center;
  padding: 6rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--accent);
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.25);
  padding: 7px 16px;
  border-radius: 99px;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
}

.badge-pulse {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--glow); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px transparent; }
}

.hero-heading {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-line {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-dim);
  font-weight: 400;
}

.hero-name {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.name-robins {
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  background: linear-gradient(135deg, #fff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.name-ranjan {
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  color: var(--text);
  line-height: 1;
}

.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--accent-3);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.role-prefix { color: var(--text-muted); }

.type-cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent);
}

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

.hero-bio {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 2rem;
}

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

.hero-socials {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 99px;
  text-decoration: none;
  transition: all 0.2s;
}

.social-pill svg { width: 15px; height: 15px; }
.social-pill:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(99,102,241,0.08);
}

/* Hero Photo */
.hero-right { display: flex; justify-content: center; }

.photo-container {
   position: relative;
  width: 340px;
  height: 460px;
}

.photo-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.photo-border {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(99,102,241,0.3);
  z-index: 1;
  box-shadow: 0 25px 60px rgba(0,0,0,0.4), 0 0 40px rgba(99,102,241,0.15);
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.photo-card {
  position: absolute;
  background: rgba(13,17,23,0.9);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 16px;
  z-index: 2;
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  animation: cardFloat 6s ease-in-out infinite;
}

.card-1 { bottom: 40px; left: -30px; animation-delay: 0s; }
.card-2 { top: 30px; right: -30px; animation-delay: 2s; }
.card-3 { bottom: 120px; right: -40px; animation-delay: 4s; }

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.card-icon { font-size: 1.25rem; }

.photo-card strong {
  display: block;
  font-size: 0.8rem;
  color: var(--text);
  font-weight: 600;
}

.photo-card span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.scroll-mouse {
  width: 22px; height: 36px;
  border: 1.5px solid var(--border);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--accent);
  border-radius: 99px;
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

.scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 2.5rem 0;
  }
  .hero-right { order: -1; }
  .photo-container { width: 260px; height: 310px; }
  .card-1 { left: -10px; }
  .card-2 { right: -10px; }
  .card-3 { display: none; }
}

/* ===========================
   ABOUT
=========================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 7rem;
  align-items: center;
}
.about-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.about-img-wrap img {
   width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: top 10%;
  display: block;
  filter: grayscale(20%);
  transition: filter 0.4s;
}

.about-img-wrap:hover img { filter: grayscale(0%); }

.about-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,11,20,0.4) 0%, transparent 50%);
}

.about-text-side p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.85;
  font-size: 1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s;
}

.stat-card:hover { border-color: var(--accent); }

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ===========================
   EXPERIENCE
=========================== */
.timeline { position: relative; padding-left: 2rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 6px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
}

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

.tl-dot {
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tl-dot.current { border-color: var(--accent-2); }

.tl-dot-inner {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.tl-dot.current .tl-dot-inner { background: var(--accent-2); }

.tl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.tl-card:hover {
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.current-card {
  border-color: rgba(168,85,247,0.2);
  background: rgba(168,85,247,0.03);
}

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

.tl-role {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

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

.tl-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 6px;
  white-space: nowrap;
}

.current-badge {
  color: var(--accent-2);
  border-color: rgba(168,85,247,0.3);
  background: rgba(168,85,247,0.08);
}

.tl-list {
  list-style: none;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.tl-list li {
  font-size: 0.95rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.7;
}

.tl-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7rem;
  top: 4px;
}

.tl-tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* ===========================
   PROJECTS TIMELINE
=========================== */
.projects-timeline {
  position: relative;
  padding: 1rem 0;
}

.projects-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border) 10%, var(--border) 90%, transparent);
  transform: translateX(-50%);
}

.pt-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 6rem;
}

.pt-line-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px; height: 14px;
  background: var(--bg);
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 15px var(--glow);
}

.pt-image {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  height: 420px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.pt-image:hover {
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.pt-content { padding: 0.5rem; }

.pt-left .pt-image { order: 1; }
.pt-left .pt-content { order: 2; }
.pt-right .pt-content { order: 1; }
.pt-right .pt-image { order: 2; }

.project-badge {
  display: inline-block;
  background: rgba(251,191,36,0.1);
  color: #fbbf24;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid rgba(251,191,36,0.2);
  margin-bottom: 0.75rem;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  margin-top: 0.5rem;
}

.project-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1.5rem;
}

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

/* Carousel */
.carousel {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 420px;
  overflow: hidden;
  background: var(--bg-card);
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.4s ease;
}

.carousel-track img {
  min-width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  flex-shrink: 0;
  background: var(--bg-card);
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(8,11,20,0.8);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px; height: 36px;
  cursor: pointer;
  color: var(--text);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 2;
  backdrop-filter: blur(8px);
}

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

.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }

.carousel-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 2;
}

.carousel-dots .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all 0.2s;
}

.carousel-dots .dot.active {
  background: var(--accent);
  width: 18px;
  border-radius: 99px;
}

@media (max-width: 860px) {
  .projects-timeline::before { left: 16px; }
  .pt-item {
    grid-template-columns: 1fr;
    padding-left: 2.5rem;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }
  .pt-line-dot { left: 16px; top: 0; transform: translateX(-50%); }
  .pt-left .pt-image, .pt-right .pt-image { order: 1; }
  .pt-left .pt-content, .pt-right .pt-content { order: 2; }
}

/* ===========================
   SKILLS
=========================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .skills-grid { grid-template-columns: 1fr; }
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.skill-card:hover {
  border-color: rgba(99,102,241,0.3);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.skill-icon { font-size: 1.5rem; }

.skill-card-header h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }

@media (max-width: 640px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* ===========================
   EDUCATION
=========================== */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.edu-card:hover {
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.edu-icon { font-size: 2rem; flex-shrink: 0; }

.edu-info h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.3;
}

.edu-school { font-size: 0.875rem; color: var(--accent); font-weight: 500; margin-bottom: 4px; }
.edu-date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); margin-bottom: 10px; }

.edu-gpa {
  display: inline-block;
  background: rgba(99,102,241,0.1);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid rgba(99,102,241,0.2);
  margin-bottom: 8px;
  display: block;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  transition: border-color 0.3s;
}

.cert-card:hover { border-color: rgba(99,102,241,0.3); }
.cert-icon { font-size: 1.25rem; flex-shrink: 0; }

.cert-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.4;
}

.cert-issuer {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.cert-icon-img {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  object-fit: contain;
}

.cert-verify-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--accent);
  text-decoration: none;
}

.cert-verify-link:hover {
  text-decoration: underline;
}
@media (max-width: 768px) {
  .edu-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
}

/* ===========================
   CONTACT
=========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

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

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s;
}

.contact-link:hover {
  border-color: rgba(99,102,241,0.3);
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.contact-link-icon {
  width: 40px; height: 40px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-link-icon svg { width: 18px; height: 18px; }

.contact-link-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  margin-bottom: 2px;
}

.contact-link-value {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ===========================
   FOOTER
=========================== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

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

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
}

.footer p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer strong { color: var(--text); }

.back-top {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(99,102,241,0.3);
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.2s;
}

.back-top:hover {
  background: rgba(99,102,241,0.1);
  box-shadow: 0 0 15px var(--glow);
}