/* --- Variables --- */
:root {
  --bg: #faf8f5;
  --bg-section: #f3f0eb;
  --text: #1c1917;
  --text-muted: #57534e;
  --accent: #c2410c;
  --accent-soft: #fef3e8;
  --border: #e7e5e4;
  --font-sans: "Outfit", system-ui, sans-serif;
  --font-serif: "Source Serif 4", Georgia, serif;
  --container: min(90vw, 720px);
  --space: 1.5rem;
  --radius: 12px;
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space) 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}
.logo:hover { text-decoration: none; }
.logo-kiwi { color: var(--accent); }

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.75rem;
}
.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* --- Hero --- */
.hero {
  padding: clamp(4rem, 12vw, 8rem) 5vw clamp(4rem, 10vw, 6rem);
  text-align: center;
  max-width: var(--container);
  margin: 0 auto;
}

.hero-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.75rem;
}
.name { color: var(--accent); }

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-muted);
  margin: 0 0 1rem;
  font-style: italic;
}

.hero-bio {
  color: var(--text-muted);
  max-width: 42ch;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #a63509;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(194, 65, 12, 0.35);
}
.btn-secondary {
  background: var(--bg-section);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--border);
  transform: translateY(-1px);
}

/* --- Sections --- */
.section {
  padding: clamp(3rem, 8vw, 5rem) 5vw;
}
.section:nth-child(even) { background: var(--bg-section); }

.container {
  max-width: var(--container);
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin: 0 0 1.5rem;
  color: var(--text);
}

/* --- Summary --- */
.summary-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text);
  margin: 0;
}

/* --- Education --- */
.edu-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.edu-item {
  padding: 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.edu-header {
  margin-bottom: 0.75rem;
}
.edu-school {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
}
.edu-meta {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.edu-details {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.edu-details li { margin-bottom: 0.25rem; }

/* --- Certifications --- */
.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.cert-tags span {
  padding: 0.4rem 0.9rem;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 999px;
}

/* --- Experience --- */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.exp-item {
  padding: 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.exp-item:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(194, 65, 12, 0.08);
}
.exp-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-bottom: 0.75rem;
}
.exp-role {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}
.exp-company {
  font-weight: 500;
  color: var(--text);
}
.exp-place,
.exp-date {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.exp-bullets {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.exp-bullets li { margin-bottom: 0.35rem; }

/* --- Projects --- */
.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.project-card {
  padding: 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.project-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(194, 65, 12, 0.08);
}

.project-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}
.project-meta {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.project-bullets {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.project-bullets li { margin-bottom: 0.35rem; }

/* --- AdityaKiwi --- */
.adityakiwi-intro {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 0 0 1.25rem;
  color: var(--text);
}

.adityakiwi-list {
  margin: 0 0 2rem;
  padding-left: 1.25rem;
}
.adityakiwi-list li {
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.adityakiwi-topics h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.topic-tags span {
  padding: 0.35rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.adityakiwi-cta {
  margin: 2rem 0 0;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-muted);
}

/* --- Contact --- */
.contact-text {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.contact-main {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
}
.contact-item {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
}
.contact-item:hover { text-decoration: none; }

.contact-email {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
}
.contact-email:hover { text-decoration: none; }

.contact-links {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}
.contact-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.contact-links a:hover { color: var(--accent); }

/* --- Footer --- */
.site-footer {
  padding: var(--space) 5vw;
  border-top: 1px solid var(--border);
  text-align: center;
}
.site-footer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.site-footer a { color: var(--text-muted); }

/* --- Mobile nav --- */
@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(280px, 85vw);
    background: var(--bg);
    flex-direction: column;
    padding: 5rem 1.5rem 1.5rem;
    gap: 1rem;
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 99;
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  .nav-toggle span { transition: transform 0.2s ease, opacity 0.2s ease; }
}