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

:root {
  --color-primary: #7C3AED;
  --color-primary-light: #EDE9FE;
  --color-primary-hover: #6D28D9;
  --color-bg: #FAFAF9;
  --color-surface: #FFFFFF;
  --color-text: #1C1917;
  --color-text-muted: #78716C;
  --color-border: #E7E5E4;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius: 0.75rem;
  --radius-pill: 9999px;
  --shadow: 0 1px 3px rgba(0,0,0,0.07), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-hover: 0 4px 16px rgba(124,58,237,0.12), 0 1px 4px rgba(0,0,0,0.08);
  --max-width: 900px;
  --nav-height: 64px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ── HEADER / NAV ─────────────────────────────── */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav-logo:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover {
  color: var(--color-text);
  background: var(--color-primary-light);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-primary-light);
}

.nav-links .nav-cta a {
  background: var(--color-primary);
  color: #fff;
  padding: 0.4rem 1rem;
}

.nav-links .nav-cta a:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.4rem;
  border: none;
  background: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MAIN / LAYOUT ────────────────────────────── */

main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 4rem 0;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.purple-label{
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ── HERO ─────────────────────────────────────── */

.hero {
  padding: 5rem 0 4rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.hero-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── BUTTONS ──────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  text-decoration: none;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(124,58,237,0.25);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  box-shadow: 0 4px 14px rgba(124,58,237,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ── PROJECT CARDS ────────────────────────────── */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--color-primary-light);
}

.card-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
}

.badge-early {
  background: #FEF3C7;
  color: #92400E;
}

.badge-active {
  background: #D1FAE5;
  color: #065F46;
}

.card p {
  font-size: 0.95rem;
  flex: 1;
}

.card-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.25rem;
}

.card-link:hover { text-decoration: underline; }

/* ── ABOUT ────────────────────────────────────── */

.about-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: start;
}

.avatar-placeholder {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--color-primary-light);
  border: 3px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 500;
  text-align: center;
  flex-shrink: 0;
}

.about-text h2 {
  margin-bottom: 1rem;
}

.about-text p {
  margin-bottom: 0.75rem;
  max-width: 55ch;
}

/* ── CONTACT ──────────────────────────────────── */

#contact {
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 500px;
}

.contact-inner h2 {
  margin-bottom: 0.25rem;
}

.contact-inner p {
  margin-top: -0.5rem;
}

.contact-email {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.contact-email a {
  color: var(--color-primary);
}

.contact-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── DIVIDER ──────────────────────────────────── */

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* ── FOOTER ───────────────────────────────────── */

footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

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

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  transition: color 0.15s, background 0.15s;
}

.footer-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
  text-decoration: none;
}

/* ── PAGE HERO (inner pages) ──────────────────── */

.page-hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 3rem;
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.page-hero p {
  margin-top: 0.5rem;
  font-size: 1.05rem;
}

/* ── RESPONSIVE ───────────────────────────────── */

@media (max-width: 640px) {
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.5rem 1.25rem;
    gap: 0.25rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    border-radius: var(--radius);
    padding: 0.6rem 0.75rem;
  }

  .nav-links .nav-cta { margin-top: 0.5rem; }
  .nav-links .nav-cta a { justify-content: center; }

  .about-layout {
    grid-template-columns: 1fr;
  }

  .avatar-placeholder {
    width: 100px;
    height: 100px;
  }

  .contact-inner {
    padding: 1.75rem;
  }

  section { padding: 2.5rem 0; }
  .hero { padding: 3rem 0 2.5rem; }
}