/* ─────────────────────────────────────────────
   Deven Patel — Portfolio Styles
   ───────────────────────────────────────────── */

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

/* ─── VARIABLES ─── */
:root {
  --bg: #080b10;
  --bg2: #0e1318;
  --bg3: #141a22;
  --border: rgba(255,255,255,0.06);
  --text: #e8edf2;
  --text-dim: #7a8897;
  --text-dimmer: #3d4a56;
  --accent: #00d4aa;
  --accent2: #0088ff;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --red: #ff5757;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
}

/* ─── BASE ─── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── NOISE OVERLAY ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  background: rgba(8, 11, 16, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
nav.scrolled { padding: 0.875rem 3rem; }

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  transition: all 0.2s;
  letter-spacing: 0.03em;
}
.nav-links a:hover { color: var(--accent); background: var(--accent-glow); }
.nav-links .nav-resume {
  border: 1px solid var(--accent);
  color: var(--accent);
  margin-left: 0.5rem;
}
.nav-links .nav-resume:hover { background: var(--accent); color: var(--bg); }

/* ─── HERO ─── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,170,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,170,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.12) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,136,255,0.08) 0%, transparent 70%);
  bottom: 0; left: 10%;
}

.hero-inner {
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.2s forwards;
}
.hero-tag::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.35s forwards;
}
.hero-name .accent { color: var(--accent); }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.5s forwards;
}

.hero-bio {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.65s forwards;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.8s forwards;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: fadeUp 0.7s ease 1s forwards;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

.hero-socials {
  position: absolute;
  right: 3rem;
  bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  animation: fadeIn 0.7s ease 1.2s forwards;
}
.hero-socials::after {
  content: '';
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(transparent, var(--accent));
}
.hero-socials a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: all 0.2s;
}
.hero-socials a:hover { color: var(--accent); border-color: var(--accent); transform: scale(1.1); }

/* ─── SECTION BASE ─── */
section {
  padding: 6rem 3rem;
  position: relative;
}
.container { max-width: 1000px; margin: 0 auto; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 3.5rem;
  line-height: 1.1;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.25s;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--accent); color: var(--bg); font-weight: 500; }
.btn-primary:hover { background: #00f0c4; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,170,0.3); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ─── ABOUT ─── */
#about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--text-dim);
  line-height: 1.85;
  margin-bottom: 1.25rem;
  font-size: 1.02rem;
}
.about-text p strong { color: var(--text); }

.interest-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}
.interest-list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
  letter-spacing: 0.03em;
  transition: all 0.2s;
}
.interest-list li:hover { border-color: var(--accent); color: var(--accent); }

.aside-block {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  margin-bottom: 1.25rem;
}
.aside-block-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.875rem;
}

/* ─── EXPERIENCE ─── */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.exp-list::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), var(--border) 80%, transparent);
  opacity: 0.35;
}

.exp-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: all 0.2s;
}
.exp-item:first-child { padding-top: 0; }
.exp-item:last-child { border-bottom: none; }

.exp-meta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 0.15rem;
  padding-left: 1.75rem;
  position: relative;
}
.exp-meta::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--text-dimmer);
  transition: border-color 0.2s, box-shadow 0.2s;
  z-index: 1;
}
.exp-item.highlight .exp-meta::before {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,212,170,0.12);
  background: rgba(0,212,170,0.12);
}
.exp-item:hover .exp-meta::before { border-color: var(--accent); }

/* Date range pill */
.exp-date-range {
  display: inline-flex;
  flex-direction: column;
  width: fit-content;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  transition: border-color 0.2s;
}
.exp-item:hover .exp-date-range,
.exp-item.highlight .exp-date-range { border-color: rgba(0,212,170,0.3); }

.exp-date-from,
.exp-date-to {
  padding: 0.3rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.exp-date-from {
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.exp-date-from::before,
.exp-date-to::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-dimmer);
  flex-shrink: 0;
  transition: background 0.2s;
}
.exp-item.highlight .exp-date-from::before { background: var(--accent); }

.exp-date-to.is-current { color: var(--accent); background: rgba(0,212,170,0.06); }
.exp-date-to.is-current::before {
  background: var(--accent);
  animation: pulse 1.8s ease-in-out infinite;
}

.exp-duration {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dimmer);
  letter-spacing: 0.06em;
  background: var(--bg3);
  border: 1px dashed var(--border);
  border-radius: 100px;
  padding: 0.18rem 0.6rem;
}

.exp-company {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}
.exp-role {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.exp-item.highlight .exp-role { color: var(--accent); }

.exp-location {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dimmer);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}
.exp-desc {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.exp-desc li {
  font-size: 0.93rem;
  color: var(--text-dim);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.65;
}
.exp-desc li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
  top: 0.05em;
}

.exp-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.65rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

/* ─── SKILLS ─── */
#skills { background: var(--bg2); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.skill-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.skill-card:hover {
  border-color: rgba(0,212,170,0.3);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity 0.25s;
}
.skill-card:hover::before { opacity: 1; }

.skill-card-icon { font-size: 1.5rem; margin-bottom: 1rem; display: block; }
.skill-card-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.875rem;
  letter-spacing: -0.01em;
}
.skill-pills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
  transition: all 0.2s;
}
.skill-pill:hover { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }
.skill-pill.featured { background: var(--accent-glow); border-color: rgba(0,212,170,0.3); color: var(--accent); }

/* ─── PROJECTS ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: all 0.25s;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.project-card:hover {
  border-color: rgba(0,212,170,0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.project-card.featured {
  border-color: rgba(0,212,170,0.2);
  background: linear-gradient(135deg, rgba(0,212,170,0.04) 0%, var(--bg2) 100%);
}

.project-header { display: flex; justify-content: space-between; align-items: flex-start; }
.project-icon { font-size: 1.6rem; }
.project-links { display: flex; gap: 0.5rem; }
.project-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s;
}
.project-link:hover { color: var(--accent); border-color: var(--accent); }

.project-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.project-desc { font-size: 0.88rem; color: var(--text-dim); line-height: 1.7; flex: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: auto; }
.project-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.55rem;
  background: rgba(0,212,170,0.12);
  border: 1px solid rgba(0,212,170,0.3);
  border-radius: 100px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── EDUCATION ─── */
#education { background: var(--bg2); }

.edu-grid { display: flex; flex-direction: column; gap: 1.25rem; }
.edu-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  transition: border-color 0.2s;
}
.edu-card:hover { border-color: rgba(0,212,170,0.25); }

.edu-school {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.edu-degree { font-size: 0.9rem; color: var(--text-dim); margin-bottom: 0.25rem; }
.edu-gpa { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); }
.edu-meta { text-align: right; flex-shrink: 0; }
.edu-year { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-dim); }
.edu-location { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dimmer); margin-top: 0.25rem; }

/* ─── CONTACT ─── */
#contact {
  text-align: center;
  padding: 8rem 3rem;
  position: relative;
  overflow: hidden;
}

.contact-orb {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.06) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.contact-inner { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.25rem;
}
.contact-title span { color: var(--accent); }
.contact-sub { font-size: 1.05rem; color: var(--text-dim); line-height: 1.75; margin-bottom: 2.5rem; }
.contact-links { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-bottom: 3rem; }
.contact-info {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}
.contact-info a { color: var(--text-dim); text-decoration: none; transition: color 0.2s; }
.contact-info a:hover { color: var(--accent); }

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
footer p { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dimmer); }
.footer-links { display: flex; gap: 1.5rem; list-style: none; }
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dimmer);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

/* ─── DIVIDER ─── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ─── SVG ─── */
svg { display: inline-block; vertical-align: middle; }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.hidden { opacity: 0; transform: translateY(24px); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  section { padding: 4rem 1.5rem; }
  #hero { padding: 7rem 1.5rem 3rem; }
  .hero-socials { display: none; }
  .hero-stats { gap: 2rem; flex-wrap: wrap; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .exp-item { grid-template-columns: 1fr; gap: 0.75rem; }
  .exp-list::before { display: none; }
  .exp-meta { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 0.5rem; padding-left: 0; }
  .exp-meta::before { display: none; }
  .exp-date-range { flex-direction: row; border-radius: 100px; }
  .exp-date-from { border-bottom: none; border-right: 1px solid var(--border); }
  .exp-date-from, .exp-date-to { padding: 0.25rem 0.65rem; }
  .edu-card { flex-direction: column; align-items: flex-start; }
  .edu-meta { text-align: left; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}