/* ============================================================
   CHAHAT RAMCHANDANI — PORTFOLIO
   Palette: #03213E (navy) · #FF7913 (orange) · #C4E3FF (sky) · #FFF2E9 (blush)
   Background: #03213E throughout
   ============================================================ */

:root {
  --navy:        #03213E;
  --navy-card:   #062d50;
  --navy-deep:   #021929;
  --orange:      #FF7913;
  --sky:         #C4E3FF;
  --blush:       #FFF2E9;

  --border:      rgba(196,227,255,0.1);
  --text:        #FFF2E9;
  --text-muted:  rgba(196,227,255,0.55);

  --radius: 14px;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(3,33,62,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--orange);
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--blush); }

.nav-resume {
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  border: 1.5px solid var(--orange);
  padding: 8px 18px;
  border-radius: 100px;
  transition: background 0.2s, color 0.2s;
  letter-spacing: 0.5px;
}
.nav-resume:hover { background: var(--orange); color: #fff; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 140px 48px 80px;
  overflow: hidden;
  background: var(--navy);
}

.hero-bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -52%);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(160px, 30vw, 340px);
  color: rgba(196,227,255,0.04);
  user-select: none;
  pointer-events: none;
  letter-spacing: -10px;
  line-height: 1;
  white-space: nowrap;
  z-index: 0;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sky);
  background: rgba(196,227,255,0.08);
  border: 1px solid rgba(196,227,255,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--orange);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 100px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -3px;
  color: var(--blush);
  margin-bottom: 24px;
}
h1 .accent { color: var(--orange); }

.hero-sub {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--text-muted);
  margin-bottom: 40px;
  font-weight: 400;
  letter-spacing: 0.3px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  text-decoration: none;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 30px;
  border-radius: 100px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,121,19,0.4);
}

.btn-ghost {
  text-decoration: none;
  color: var(--blush);
  font-weight: 500;
  font-size: 15px;
  padding: 14px 30px;
  border-radius: 100px;
  border: 1.5px solid rgba(255,242,233,0.25);
  transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover {
  border-color: var(--blush);
  background: rgba(255,242,233,0.06);
}

/* Ticker */
.hero-skills-ticker {
  margin-top: 80px;
  overflow: hidden;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  position: relative;
  z-index: 1;
}
.hero-skills-ticker::before,
.hero-skills-ticker::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
}
.hero-skills-ticker::before { left: 0;  background: linear-gradient(to right, var(--navy), transparent); }
.hero-skills-ticker::after  { right: 0; background: linear-gradient(to left,  var(--navy), transparent); }

.ticker-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: ticker 28s linear infinite;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.ticker-track span { color: var(--orange); opacity: 0.5; }

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── ALL SECTIONS — same navy bg ── */
section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
  background: var(--navy);
}

/* Alternate sections get a very subtle tint so they don't all blur together */
#projects, #experience, #outside-work {
  background: var(--navy-deep);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 56px;
}

.section-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 2px;
  opacity: 0.85;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--blush);
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  align-items: start;
}

.about-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-muted);
  padding-top: 4px;
}

.about-text p {
  font-size: 18px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 700px;
}

.skills-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.skills-chips span {
  font-size: 13px;
  font-weight: 600;
  color: var(--sky);
  background: rgba(196,227,255,0.08);
  border: 1px solid rgba(196,227,255,0.18);
  padding: 6px 14px;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}
.skills-chips span:hover {
  background: var(--sky);
  color: var(--navy);
}

/* ── PROJECTS ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,121,19,0.45);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.project-card.featured {
  border-color: rgba(196,227,255,0.25);
  background: linear-gradient(135deg, var(--navy-card), rgba(196,227,255,0.06));
}

.featured-label {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--sky);
  background: rgba(196,227,255,0.1);
  border: 1px solid rgba(196,227,255,0.25);
  padding: 3px 10px;
  border-radius: 100px;
}

.project-icon { font-size: 28px; margin-bottom: 16px; }

.project-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--blush);
  margin-bottom: 12px;
  line-height: 1.3;
}

.project-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.project-tags span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(255,121,19,0.1);
  border: 1px solid rgba(255,121,19,0.25);
  padding: 3px 10px;
  border-radius: 4px;
}

/* ── EDUCATION ── */
.edu-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  padding: 40px;
  align-items: start;
}

.edu-degree {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--blush);
  line-height: 1.3;
  margin-bottom: 8px;
}

.edu-school {
  font-size: 16px;
  color: var(--orange);
  font-weight: 600;
}

.edu-focus-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.edu-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.edu-chips span {
  font-size: 13px;
  font-weight: 500;
  color: var(--sky);
  background: rgba(196,227,255,0.07);
  border: 1px solid rgba(196,227,255,0.16);
  padding: 6px 14px;
  border-radius: 6px;
}

/* ── EXPERIENCE TIMELINE ── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 6px; top: 8px; bottom: 0;
  width: 1px;
  background: rgba(255,121,19,0.3);
}

.timeline-item { position: relative; margin-bottom: 48px; }

.timeline-dot {
  position: absolute;
  left: -32px; top: 10px;
  width: 13px; height: 13px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  background: var(--navy);
  box-shadow: 0 0 0 4px rgba(255,121,19,0.15);
}

.tl-meta {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--orange);
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--blush);
  margin-bottom: 12px;
}

.timeline-content p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 680px;
}

/* ── LEADERSHIP ── */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.lead-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--sky);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-top-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.lead-card:hover {
  border-top-color: var(--orange);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.lead-icon { font-size: 26px; margin-bottom: 14px; }

.lead-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--blush);
  margin-bottom: 10px;
}
.lead-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ── OUTSIDE WORK ── */
.outside-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 720px;
}
.outside-card p { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }

.under-construction {
  margin-top: 28px;
  padding: 18px;
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-display);
  background: rgba(255,121,19,0.08);
  color: var(--orange);
  border: 2px dashed rgba(255,121,19,0.35);
  border-radius: 10px;
  letter-spacing: 1px;
}

/* ── CONTACT ── */
.contact-inner { text-align: center; }
.contact-inner .section-header { justify-content: center; }

.contact-sub {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 48px;
  font-weight: 300;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 28px;
  font-weight: 500;
  font-size: 15px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s, color 0.2s;
  min-width: 160px;
  justify-content: center;
}
.contact-item:hover {
  border-color: var(--orange);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255,121,19,0.18);
  color: var(--orange);
}

.contact-icon {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: rgba(255,121,19,0.13);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  flex-shrink: 0;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 32px;
  background: var(--navy-deep);
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 0.5px;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 16px 20px; }
  .nav-links { display: none; }
  #hero { padding: 120px 24px 60px; }
  .section-inner { padding: 0 24px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-label { display: none; }
  .edu-card { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .leadership-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .leadership-grid { grid-template-columns: 1fr; }
  h1 { letter-spacing: -2px; }
}