:root {
  --bg: #07111f;
  --bg-soft: #0b1728;
  --panel: rgba(16, 31, 50, 0.78);
  --panel-strong: #102035;
  --text: #eff6ff;
  --muted: #9fb0c5;
  --line: rgba(166, 195, 224, 0.16);
  --accent: #66e3c4;
  --accent-2: #7aa8ff;
  --accent-3: #d7ff7a;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --container: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(55, 102, 173, 0.16), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(55, 211, 180, 0.09), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #062015; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container { width: var(--container); margin-inline: auto; }
.section-shell { padding: 104px 0; position: relative; }

.page-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.12;
  pointer-events: none;
  z-index: -1;
}
.glow-a { background: var(--accent-2); left: -160px; top: 16vh; }
.glow-b { background: var(--accent); right: -180px; top: 54vh; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: 0.25s ease;
}
.site-header.scrolled {
  background: rgba(7, 17, 31, 0.86);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05121f;
  box-shadow: 0 12px 32px rgba(102, 227, 196, 0.16);
}
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-size: 0.95rem; }
.brand-copy small { color: var(--muted); font-size: 0.72rem; margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 24px; }
.nav a { color: #cad7e5; font-size: 0.9rem; font-weight: 600; }
.nav a:hover { color: var(--text); }
.nav-cta {
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
}
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 3px; }

.hero { padding-top: 120px; min-height: calc(100vh - 40px); display: grid; align-items: center; }
.hero-grid { display: grid; grid-template-columns: 1.35fr 0.85fr; gap: 64px; align-items: center; }
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.hero h1, .section-heading h2, .contact-card h2, .education-card h2 {
  font-family: "Manrope", sans-serif;
  letter-spacing: -0.04em;
  line-height: 1.06;
  margin: 0;
}
.hero h1 { font-size: clamp(3.2rem, 7vw, 6.8rem); max-width: 970px; }
.hero h1 span { color: #c5d9f6; }
.hero h1 span:nth-of-type(2) { color: var(--accent); }
.hero h1 span:nth-of-type(3) { color: var(--accent-2); }
.hero-lead { font-size: 1.12rem; color: #b7c6d8; max-width: 820px; margin: 28px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.92rem;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #89f0d7); color: #062015; }
.btn-secondary { border: 1px solid var(--line); background: rgba(255,255,255,0.03); color: var(--text); }

.hero-meta { margin-top: 48px; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; max-width: 780px; }
.hero-meta div { border-left: 1px solid var(--line); padding-left: 16px; }
.hero-meta strong { display: block; font-family: "Manrope", sans-serif; font-size: 1.45rem; }
.hero-meta span { display: block; color: var(--muted); font-size: 0.78rem; margin-top: 4px; }

.hero-card {
  background: linear-gradient(180deg, rgba(16, 34, 57, 0.92), rgba(9, 23, 39, 0.88));
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 30px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -80px -120px auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122,168,255,.2), transparent 68%);
}
.signal-line { display: flex; gap: 7px; margin-bottom: 28px; }
.signal-line span { width: 9px; height: 9px; border-radius: 50%; background: #28415f; }
.signal-line span:first-child { background: var(--accent); }
.card-kicker { color: var(--muted); font-size: 0.72rem; letter-spacing: .14em; margin: 0; }
.hero-card h2 { font-family: "Manrope", sans-serif; font-size: 2rem; line-height: 1.08; margin: 10px 0 14px; }
.hero-card p { color: #afc0d4; }
.role-stack { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.role-stack span, .project-tags span {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: #c7d6e7;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}
.mini-code {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: grid;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  color: #86a0bb;
}
.mini-code .indent { padding-left: 18px; color: #b6d8f8; }

.split-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 100px; }
.section-heading h2 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
.section-heading.centered { text-align: center; max-width: 780px; margin: 0 auto 48px; }
.section-subtitle { color: var(--muted); max-width: 760px; margin: 18px 0 0; }
.about-copy { color: #b7c6d8; font-size: 1.08rem; }
.about-copy p:first-child { margin-top: 0; }

.impact-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.impact-card, .project-card, .skill-group {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
  border-radius: var(--radius);
}
.impact-card { padding: 26px; min-height: 260px; }
.impact-number { font-family: "Manrope", sans-serif; font-size: 3rem; color: var(--accent); font-weight: 800; letter-spacing: -0.05em; }
.impact-card h3 { margin: 18px 0 8px; font-size: 1.04rem; }
.impact-card p { color: var(--muted); margin: 0; font-size: 0.9rem; }

.timeline { margin-top: 56px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 114px; top: 0; bottom: 0; width: 1px; background: var(--line); }
.timeline-item { display: grid; grid-template-columns: 90px 1fr; gap: 50px; padding: 0 0 56px; position: relative; }
.timeline-item::before { content: ""; position: absolute; left: 108px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 3px solid var(--accent); }
.timeline-year { font-family: "Manrope", sans-serif; font-weight: 800; color: var(--accent); text-align: right; line-height: 1.1; }
.timeline-content { max-width: 850px; }
.role-level { text-transform: uppercase; color: var(--accent-2); font-size: .72rem; letter-spacing: .13em; font-weight: 800; }
.timeline-content h3 { font-family: "Manrope", sans-serif; font-size: 1.55rem; margin: 5px 0 3px; }
.role-place { color: var(--muted); margin: 0 0 12px; font-size: .9rem; }
.timeline-content ul { margin: 0; padding-left: 18px; color: #b7c6d8; }
.timeline-content li { margin: 7px 0; }

.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; margin-top: 48px; }
.project-card { padding: 26px; position: relative; overflow: hidden; }
.project-card::after { content: ""; position: absolute; inset: auto -60px -80px auto; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(102,227,196,.08), transparent 70%); }
.project-topline { display: flex; justify-content: space-between; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: .69rem; font-weight: 800; }
.project-card h3 { font-family: "Manrope", sans-serif; font-size: 1.35rem; line-height: 1.2; margin: 24px 0 12px; }
.project-card p { color: var(--muted); }
.project-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.project-proof { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); color: #b8c7d8; font-size: .86rem; }
.project-proof strong { color: var(--text); }

.skills-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.skill-groups { display: grid; gap: 14px; }
.skill-group { padding: 22px 24px; }
.skill-group h3 { margin: 0 0 6px; font-size: 1rem; color: var(--accent); }
.skill-group p { margin: 0; color: #b7c6d8; }

.education-card, .contact-card {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(16,33,53,.9), rgba(11,23,40,.76));
  box-shadow: var(--shadow);
}
.education-card { padding: 34px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.education-card h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
.education-card p { color: var(--muted); margin-bottom: 0; }
.gpa { min-width: 140px; text-align: right; }
.gpa span, .gpa small { display: block; color: var(--muted); }
.gpa strong { font-family: "Manrope", sans-serif; font-size: 3.2rem; line-height: 1; color: var(--accent); }

.contact-section { padding-bottom: 80px; }
.contact-card { padding: 44px; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.contact-card h2 { font-size: clamp(2rem, 4vw, 3.5rem); max-width: 760px; }
.contact-card p { color: var(--muted); max-width: 760px; }
.contact-actions { display: grid; gap: 10px; min-width: 240px; }

.site-footer { border-top: 1px solid var(--line); padding: 24px 0 34px; color: var(--muted); font-size: .82rem; }
.footer-wrap { display: flex; justify-content: space-between; gap: 20px; }
.footer-note { color: #647b93; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }

@media (max-width: 980px) {
  .section-shell { padding: 82px 0; }
  .hero-grid, .split-grid, .skills-layout { grid-template-columns: 1fr; gap: 46px; }
  .hero { min-height: auto; padding-top: 92px; }
  .hero-card { max-width: 680px; }
  .impact-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .project-grid { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; }
  .contact-actions { display: flex; flex-wrap: wrap; }

  .nav-toggle { display: block; }
  .nav {
    position: absolute;
    top: 70px;
    left: 20px;
    right: 20px;
    padding: 18px;
    border: 1px solid var(--line);
    background: rgba(7,17,31,.97);
    border-radius: 18px;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 12px; }
  .nav-cta { text-align: center; }
}

@media (max-width: 680px) {
  :root { --container: min(100% - 28px, 1180px); }
  .section-shell { padding: 68px 0; }
  .nav-wrap { min-height: 68px; }
  .brand-copy small { display: none; }
  .hero { padding-top: 78px; }
  .hero h1 { font-size: clamp(2.7rem, 15vw, 4.6rem); }
  .hero-lead { font-size: 1rem; }
  .hero-meta { grid-template-columns: 1fr; }
  .hero-meta div { padding: 0 0 12px; border-left: 0; border-bottom: 1px solid var(--line); }
  .impact-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 7px; }
  .timeline-item { grid-template-columns: 1fr; gap: 12px; padding-left: 30px; }
  .timeline-item::before { left: 1px; top: 4px; }
  .timeline-year { text-align: left; }
  .education-card { align-items: flex-start; flex-direction: column; }
  .gpa { text-align: left; }
  .contact-card, .education-card, .hero-card { padding: 26px; border-radius: 24px; }
  .contact-actions { display: grid; width: 100%; }
  .footer-wrap { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}


/* Contact icon buttons */
.contact-icon-actions {
  align-items: center;
}

.contact-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}

.contact-icon-btn svg {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
  fill: currentColor;
}

@media (max-width: 520px) {
  .contact-icon-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
  }

  .contact-icon-btn {
    padding-inline: 0.7rem;
  }

  .contact-icon-btn span {
    font-size: 0.82rem;
  }
}


/* V2.9 — compact contact buttons */
.contact-icon-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: flex-start;
  width: auto;
}

.contact-icon-btn,
.contact-icon-actions .btn {
  width: auto !important;
  min-width: 0 !important;
  min-height: 0 !important;
  padding: 0.72rem 1rem !important;
  border-radius: 999px !important;
  gap: 0.5rem !important;
  font-size: 0.9rem !important;
  line-height: 1 !important;
}

.contact-icon-btn svg {
  width: 1.05rem !important;
  height: 1.05rem !important;
  flex: 0 0 1.05rem;
  fill: currentColor !important;
}

.contact-icon-btn span {
  font-size: 0.9rem !important;
  line-height: 1 !important;
}

.contact-icon-actions .btn-primary {
  background: var(--accent) !important;
  color: #07111f !important;
  border-color: var(--accent) !important;
}

.contact-icon-actions .btn-secondary {
  background: rgba(255, 255, 255, 0.055) !important;
  color: var(--text) !important;
  border-color: rgba(226, 238, 255, 0.22) !important;
}

.contact-icon-actions .btn-secondary:hover {
  background: rgba(104, 226, 202, 0.12) !important;
  color: var(--accent) !important;
  border-color: rgba(104, 226, 202, 0.5) !important;
}

@media (max-width: 520px) {
  .contact-icon-actions {
    display: flex !important;
    flex-direction: row;
    flex-wrap: wrap;
    width: 100%;
    gap: 0.6rem;
  }

  .contact-icon-btn,
  .contact-icon-actions .btn {
    flex: 0 0 auto !important;
    width: auto !important;
    padding: 0.68rem 0.85rem !important;
  }

  .contact-icon-btn span {
    font-size: 0.82rem !important;
  }

  .contact-icon-btn svg {
    width: 0.95rem !important;
    height: 0.95rem !important;
    flex-basis: 0.95rem;
  }
}