/* manjulatasingh.com — accessible, self-contained styles */

:root {
  --color-bg: #f7f8fb;
  --color-surface: #ffffff;
  --color-text: #1a1f2e;
  --color-muted: #5a6478;
  --color-border: #e2e6ef;
  --color-accent: #1e4d8c;
  --color-accent-hover: #163a6b;
  --color-accent-soft: #e8f0fa;
  --color-hero-start: #0f2744;
  --color-hero-end: #1e4d8c;
  --color-hero-text: #ffffff;
  --color-hero-muted: #c5d4e8;
  --color-focus: #0b57d0;
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --max-width: 68rem;
  --space-xs: 0.35rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --radius: 0.5rem;
  --shadow: 0 1px 3px rgba(26, 31, 46, 0.08), 0 4px 12px rgba(26, 31, 46, 0.04);
  --line: 1.65;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1219;
    --color-surface: #1a2030;
    --color-text: #e8ecf4;
    --color-muted: #9aa3b5;
    --color-border: #2c3548;
    --color-accent: #6ba3e8;
    --color-accent-hover: #8bb8ef;
    --color-accent-soft: #1a2a42;
    --color-hero-start: #080c14;
    --color-hero-end: #152a4a;
    --color-hero-text: #f0f4fa;
    --color-hero-muted: #a8b8d0;
    --color-focus: #8bb8ef;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.2);
  }
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: var(--line);
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--color-accent-hover);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -100%;
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-md);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header / nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
}

.nav-brand:hover {
  color: var(--color-accent);
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-accent);
}

/* Hero */

.hero {
  position: relative;
  isolation: isolate;
  color: var(--color-hero-text);
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: var(--color-hero-start);
  background-image:
    linear-gradient(
      120deg,
      rgba(15, 39, 68, 0.88) 0%,
      rgba(15, 39, 68, 0.72) 42%,
      rgba(30, 77, 140, 0.55) 100%
    ),
    url("../img/photos/banner.jpeg");
  background-size: cover;
  background-position: center;
}

.hero-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
}

.hero-photo {
  flex-shrink: 0;
  width: clamp(8.5rem, 22vw, 11.5rem);
  height: clamp(8.5rem, 22vw, 11.5rem);
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 28px rgba(8, 16, 32, 0.35);
  background: #fff;
}

.hero-copy {
  flex: 1;
  min-width: min(100%, 18rem);
}

.hero h1 {
  margin: 0 0 var(--space-sm);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-role {
  margin: 0 0 var(--space-md);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-hero-muted);
  font-weight: 500;
}

.hero-hook {
  margin: 0 0 var(--space-lg);
  max-width: 40rem;
  font-size: 1.1rem;
  color: var(--color-hero-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: #ffffff;
  color: var(--color-hero-start);
}

.btn-primary:hover {
  background: var(--color-accent-soft);
  color: var(--color-hero-start);
}

.btn-ghost {
  background: transparent;
  color: var(--color-hero-text);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-hero-text);
}

@media (prefers-color-scheme: dark) {
  .btn-primary {
    background: var(--color-accent);
    color: #0a0e16;
  }

  .btn-primary:hover {
    background: var(--color-accent-hover);
    color: #0a0e16;
  }
}

/* Sections */

.section {
  padding: var(--space-xl) 0;
}

.section-alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  margin: 0 0 var(--space-xs);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  letter-spacing: -0.01em;
}

.section-header p {
  margin: 0;
  color: var(--color-muted);
  max-width: 36rem;
}

.about-text {
  max-width: 42rem;
  margin: 0;
  font-size: 1.1rem;
}

.about-text p + p {
  margin-top: var(--space-md);
}

/* Skills grid */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
}

.section-alt .skill-card {
  background: var(--color-bg);
}

.skill-card h3 {
  margin: 0 0 var(--space-sm);
  font-size: 1rem;
  color: var(--color-accent);
}

.skill-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
}

/* Experience timeline */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 3px solid var(--color-border);
  margin-left: 0.6rem;
}

.timeline-item {
  position: relative;
  padding: 0 0 var(--space-lg) var(--space-lg);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -0.55rem;
  top: 0.35rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
}

.section-alt .timeline-item::before {
  border-color: var(--color-surface);
}

.role-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.role-logo {
  flex-shrink: 0;
  width: 3.25rem;
  height: 3.25rem;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.25rem;
}

.role-meta {
  flex: 1;
  min-width: 12rem;
}

.role-meta h3 {
  margin: 0 0 0.15rem;
  font-size: 1.15rem;
}

.role-org {
  margin: 0;
  font-weight: 600;
  color: var(--color-muted);
}

.role-dates {
  margin: 0.15rem 0 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.role-bullets {
  margin: var(--space-sm) 0 0;
  padding-left: 1.15rem;
}

.role-bullets li {
  margin-bottom: 0.4rem;
}

.role-bullets li:last-child {
  margin-bottom: 0;
}

/* Education */

.edu-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow);
  max-width: 32rem;
}

.edu-card h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1.15rem;
}

.edu-card p {
  margin: 0;
  color: var(--color-muted);
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-item h3 {
  margin: 0 0 var(--space-xs);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  font-weight: 600;
}

.contact-item a,
.contact-item span {
  font-weight: 500;
  word-break: break-word;
}

/* Footer */

.site-footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}