/* ============================================
   Adyanth Natarajan — Portfolio
   Global styles
   ============================================ */

:root {
  --bg: #0A0A0A;
  --text: #F0EDE6;
  --accent: #FF3C00;
  --surface: #141414;
  --divider: #222222;

  --font-headline: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --font-label: 'Space Mono', monospace;

  --container-max: 1200px;
  --gutter: 32px;
}

/* -------------------- Reset -------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* -------------------- Layout helpers -------------------- */

.site-header,
main > section,
.site-footer {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* -------------------- Header -------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  padding-bottom: 32px;
}

.logo {
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.main-nav {
  display: flex;
  gap: 32px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.main-nav a {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  opacity: 0.85;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.main-nav a:hover {
  opacity: 1;
  color: var(--accent);
}

.talk-link {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
  transition: text-decoration-color 0.2s ease;
}

.talk-link:hover {
  text-decoration-color: var(--accent);
}

/* -------------------- Hero -------------------- */

.hero {
  position: relative;
  padding-top: 64px;
  padding-bottom: 56px;
}

.status-badge {
  position: absolute;
  right: var(--gutter);
  bottom: 0;
  width: 80px;
  height: 80px;
}

.status-badge-svg {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: 40px 40px;
  animation: spin 20s linear infinite;
}

.status-badge-text {
  font-family: var(--font-label);
  font-size: 9px;
  letter-spacing: 0.08em;
  fill: var(--accent);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .status-badge-svg {
    animation: none;
  }
}

.hero-headline {
  font-family: var(--font-headline);
  font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: 14ch;
}

.hero-headline strong {
  font-weight: 900;
}

.hero-meta {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.55;
  margin-top: 28px;
}

.hero-links {
  display: flex;
  gap: 28px;
  margin-top: 20px;
  font-family: var(--font-body);
  font-size: 15px;
}

.link-accent {
  color: var(--accent);
  position: relative;
}

.link-accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.link-accent:hover::after {
  transform: scaleX(1);
}

.link-muted {
  color: var(--text);
  opacity: 0.55;
  transition: opacity 0.2s ease;
}

.link-muted:hover {
  opacity: 1;
}

/* -------------------- Selected work -------------------- */

.selected-work {
  padding-top: 72px;
  padding-bottom: 72px;
  border-top: 1px solid var(--divider);
}

.section-label {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.45;
  margin-bottom: 48px;
}

.work-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: start;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--divider);
  border-left: 3px solid transparent;
  transition: background 0.2s ease, border-left-color 0.2s ease;
}

.work-row:last-of-type {
  border-bottom: 1px solid var(--divider);
}

.work-row:hover {
  background: #1a1a1a;
  border-left-color: var(--accent);
}

.work-row:hover .work-info h2 {
  transform: translateX(8px);
}

.work-index {
  font-family: var(--font-label);
  font-size: 14px;
  color: var(--text);
  opacity: 0.35;
  padding-top: 6px;
}

.work-info h2 {
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  letter-spacing: -0.005em;
  margin-bottom: 10px;
  transition: transform 0.25s ease;
}

.work-info h2 a {
  transition: color 0.2s ease;
}

.work-info h2 a:hover {
  color: var(--accent);
}

.work-info p {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  opacity: 0.6;
  max-width: 48ch;
}

.work-tags {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  justify-content: flex-end;
  align-content: flex-start;
  max-width: 280px;
  padding-top: 6px;
}

.tag {
  font-family: var(--font-label);
  font-size: 10px;
  letter-spacing: 0.01em;
  color: var(--text);
  opacity: 0.7;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 4px;
  padding: 6px 8px;
  white-space: nowrap;
}

.more-work {
  text-align: center;
  margin-top: 56px;
}

.more-work a {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.6;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.more-work a:hover {
  opacity: 1;
  color: var(--accent);
}

.more-work .arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

.more-work a:hover .arrow {
  transform: translateX(4px);
}

/* -------------------- Strengths -------------------- */

.strengths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
  padding-top: 64px;
  padding-bottom: 80px;
  border-top: 1px solid var(--divider);
}

.strength h3 {
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  font-variant: small-caps;
  color: var(--text);
  margin-bottom: 16px;
  transition: color 0.2s ease;
}

.strength:hover h3 {
  color: var(--accent);
}

.strength p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  opacity: 0.65;
  max-width: 38ch;
}

/* -------------------- Page intro (subpages) -------------------- */

.page-intro {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 24px var(--gutter) 56px;
}

.page-heading {
  font-family: var(--font-headline);
  font-weight: 400;
  font-size: clamp(3rem, 9vw, 5rem);
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.page-subheading {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.45;
  margin-top: 14px;
}

/* -------------------- Work grid / project cards -------------------- */

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gutter);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter) 72px;
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-left: 3px solid transparent;
  padding: 32px;
  transition: background 0.2s ease, border-left-color 0.2s ease;
}

.project-card:hover {
  background: #1a1a1a;
  border-left-color: var(--accent);
}

.project-card:hover .project-title {
  transform: translateX(6px);
}

.project-number {
  font-family: var(--font-headline);
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--text);
  opacity: 0.12;
  line-height: 1;
  margin-bottom: 24px;
}

.project-title {
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  letter-spacing: -0.005em;
  margin-bottom: 12px;
  transition: transform 0.25s ease;
}

.project-outcome {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  opacity: 0.6;
  max-width: 46ch;
  margin-bottom: 20px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.pill {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 4px;
  padding: 6px 14px;
  white-space: nowrap;
}

.project-year {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--text);
  opacity: 0.35;
  margin-top: auto;
}

.rule {
  border: none;
  border-top: 1px solid var(--divider);
  max-width: var(--container-max);
  margin: 0 auto;
}

.contact-note {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.03em;
  text-align: center;
  color: var(--text);
  opacity: 0.4;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 40px var(--gutter) 72px;
}

@media (max-width: 720px) {
  .work-grid {
    grid-template-columns: 1fr;
  }
}

/* -------------------- Footer -------------------- */

.site-footer {
  border-top: 1px solid var(--divider);
  padding-top: 32px;
  padding-bottom: 32px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  opacity: 0.7;
}

.footer-nav,
.footer-social {
  display: flex;
  gap: 24px;
}

.footer-nav a:hover,
.footer-social a:hover {
  color: var(--accent);
  opacity: 1;
}

.footer-credit {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--text);
  opacity: 0.35;
  margin-top: 24px;
}

/* -------------------- Responsive -------------------- */

@media (max-width: 860px) {
  .strengths {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 720px) {
  .site-header {
    flex-wrap: wrap;
    row-gap: 16px;
  }

  .main-nav {
    position: static;
    transform: none;
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 24px;
  }

  .work-row {
    grid-template-columns: 40px 1fr;
  }

  .work-tags {
    grid-column: 1 / -1;
    flex-wrap: wrap;
    justify-content: flex-start;
    max-width: none;
    margin-top: 16px;
    padding-left: 56px;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  :root {
    --gutter: 20px;
  }

  .hero {
    padding-top: 40px;
    padding-bottom: 110px;
  }

  .hero-headline {
    font-size: clamp(2.2rem, 11vw, 2.8rem);
  }

  .status-badge {
    width: 80px;
    height: 80px;
    right: 50%;
    transform: translateX(50%);
  }

  .work-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .work-index {
    padding-top: 0;
  }

  .work-tags {
    padding-left: 0;
  }
}