/* Kushagra Maheshwari — Portfolio
   Warm editorial · mobile-first · static Netlify */

:root {
  --bg: #f4efe6;
  --bg-deep: #ebe4d8;
  --surface: #fffdf9;
  --ink: #1c1915;
  --ink-soft: #3d3830;
  --muted: #6f675c;
  --faint: #9a9185;
  --line: rgba(28, 25, 21, 0.1);
  --line-strong: rgba(28, 25, 21, 0.18);
  --accent: #b84a28;
  --accent-deep: #8f3518;
  --accent-soft: rgba(184, 74, 40, 0.1);
  --teal: #1f6b66;
  --teal-soft: rgba(31, 107, 102, 0.1);
  --shadow: 0 18px 40px rgba(28, 25, 21, 0.08);
  --radius: 18px;
  --radius-sm: 10px;
  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-body: "DM Sans", system-ui, -apple-system, sans-serif;
  --max: 1120px;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 45% at 0% 0%, rgba(184, 74, 40, 0.08), transparent 55%),
    radial-gradient(ellipse 55% 40% at 100% 10%, rgba(31, 107, 102, 0.07), transparent 50%),
    linear-gradient(180deg, #f7f2ea 0%, var(--bg) 28%, var(--bg-deep) 100%);
}

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

a {
  color: var(--accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease;
}

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

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.chip:focus-visible,
.project-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  background: var(--ink);
  color: var(--surface);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

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

/* ——— Nav ——— */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(244, 239, 230, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.site-nav.scrolled {
  border-bottom-color: var(--line);
  background: rgba(244, 239, 230, 0.92);
  box-shadow: 0 8px 24px rgba(28, 25, 21, 0.04);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 550;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-links a {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
  background: rgba(28, 25, 21, 0.05);
}

.nav-cta {
  margin-left: 0.35rem;
  background: var(--ink) !important;
  color: var(--surface) !important;
}

.nav-cta:hover {
  background: var(--accent-deep) !important;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(var(--nav-h) + 0.5rem);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

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

  .nav-cta {
    margin-left: 0;
    text-align: center;
  }
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--ink);
  color: var(--surface);
}

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

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  background: var(--surface);
  color: var(--ink);
}

.btn-soft {
  background: var(--accent-soft);
  color: var(--accent-deep);
  border-color: transparent;
}

.btn-soft:hover {
  background: rgba(184, 74, 40, 0.16);
  color: var(--accent-deep);
}

.btn-sm {
  padding: 0.55rem 0.9rem;
  font-size: 0.85rem;
}

/* ——— Hero ——— */
.hero {
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: end;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.35fr 0.9fr;
    gap: 3rem;
  }
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.1rem;
}

.hero-kicker::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--teal);
  border-radius: 999px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 550;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
  max-width: 11ch;
}

.hero-lede {
  margin-top: 1.35rem;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--ink-soft);
  max-width: 34ch;
  line-height: 1.5;
}

.hero-meta {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.85rem;
}

.hero-aside {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.4rem 1.45rem;
  box-shadow: var(--shadow);
}

.hero-aside p {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.hero-aside .quote-mark {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.25rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--bg-deep);
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--line);
}

/* ——— Sections ——— */
section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.section-header {
  margin-bottom: clamp(1.6rem, 4vw, 2.4rem);
  max-width: 40rem;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.55rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-weight: 550;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
}

.section-header p {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.band {
  background: rgba(255, 253, 249, 0.55);
  border-block: 1px solid var(--line);
}

/* ——— Selected work ——— */
.work-featured {
  display: grid;
  gap: 1.1rem;
}

@media (min-width: 780px) {
  .work-featured {
    grid-template-columns: 1.15fr 0.85fr;
    grid-template-rows: auto auto;
  }

  .work-featured .project-card:first-child {
    grid-row: 1 / span 2;
  }
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem 1.4rem;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset;
  transition: border-color 0.25s ease, transform 0.25s var(--ease), box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.project-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.project-card.featured {
  background:
    linear-gradient(160deg, rgba(184, 74, 40, 0.06), transparent 42%),
    var(--surface);
}

.project-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
}

.tag {
  display: inline-flex;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  background: var(--teal-soft);
  color: var(--teal);
}

.tag.warm {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.project-dates {
  color: var(--faint);
  font-size: 0.82rem;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 550;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.65rem;
}

.project-summary {
  color: var(--ink-soft);
  flex: 1;
}

.project-summary[data-collapsed="true"] {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card.featured .project-summary[data-collapsed="true"] {
  -webkit-line-clamp: 8;
}

.project-toggle {
  margin-top: 0.65rem;
  align-self: start;
  background: none;
  border: none;
  color: var(--accent-deep);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.15rem;
}

.work-more {
  margin-top: 1.75rem;
}

.work-more-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.work-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .work-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card.compact h3 {
  font-size: 1.25rem;
}

.project-card.compact .project-summary[data-collapsed="true"] {
  -webkit-line-clamp: 3;
}

/* ——— About ——— */
.about-layout {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 860px) {
  .about-layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    align-items: start;
  }
}

.about-copy {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.55rem;
}

.about-copy p + p {
  margin-top: 1rem;
}

.about-copy p {
  color: var(--ink-soft);
}

.about-side {
  display: grid;
  gap: 1rem;
}

.side-card {
  background: var(--ink);
  color: #f3ebe0;
  border-radius: var(--radius);
  padding: 1.4rem 1.35rem;
}

.side-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.7rem;
  letter-spacing: -0.02em;
}

.side-card p,
.side-card li {
  color: rgba(243, 235, 224, 0.82);
  font-size: 0.95rem;
}

.side-card ul {
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.side-card li::before {
  content: "→ ";
  color: #e0a07a;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.skills .chip {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  color: #f3ebe0;
}

/* ——— Experience ——— */
.timeline {
  display: grid;
  gap: 1rem;
  position: relative;
}

.exp-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.exp-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.exp-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 1rem;
  margin-bottom: 0.35rem;
}

.exp-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.exp-card .company {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 0.15rem;
}

.badge {
  align-self: start;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  white-space: nowrap;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  color: var(--faint);
  font-size: 0.86rem;
  margin: 0.55rem 0 0.85rem;
}

.exp-card p {
  color: var(--ink-soft);
}

.exp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.95rem;
}

/* ——— Education / Writing ——— */
.edu-grid,
.pub-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 760px) {
  .edu-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .pub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.edu-card,
.pub-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
}

.edu-card h3,
.pub-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.edu-card .meta,
.pub-card .meta {
  color: var(--faint);
  font-size: 0.86rem;
  margin-bottom: 0.7rem;
}

.edu-card p,
.pub-card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ——— Recommendation ——— */
.quote-card {
  background:
    linear-gradient(135deg, rgba(31, 107, 102, 0.08), transparent 40%),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(1.4rem, 4vw, 2.2rem);
  box-shadow: var(--shadow);
}

.quote-card blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.45;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.quote-card footer {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.quote-card strong {
  color: var(--ink);
  font-weight: 650;
}

/* ——— Contact ——— */
.contact-panel {
  display: grid;
  gap: 1.5rem;
  background: var(--ink);
  color: #f3ebe0;
  border-radius: calc(var(--radius) + 6px);
  padding: clamp(1.6rem, 4vw, 2.5rem);
}

@media (min-width: 800px) {
  .contact-panel {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }
}

.contact-panel h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.contact-panel p {
  margin-top: 0.8rem;
  color: rgba(243, 235, 224, 0.78);
  max-width: 36ch;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.contact-panel .btn-primary {
  background: #f3ebe0;
  color: var(--ink);
}

.contact-panel .btn-primary:hover {
  background: #fff;
  color: var(--ink);
}

.contact-panel .btn-ghost {
  border-color: rgba(243, 235, 224, 0.28);
  color: #f3ebe0;
}

.contact-panel .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* ——— Footer ——— */
.site-footer {
  padding: 2rem 0 2.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent-deep);
}

/* ——— Motion ——— */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover,
  .project-card:hover {
    transform: none;
  }
}