/* ==========================================================================
   Bahar Khazei — site styles
   --------------------------------------------------------------------------
   Everything you'll usually want to tweak (colors, fonts, spacing) lives in
   the :root block below. Change a value there and it updates site-wide.
   ========================================================================== */

:root {
  /* Colors */
  --color-paper: #f7f5f0;      /* page background */
  --color-ink: #1a1714;        /* main text */
  --color-muted: #6f675e;      /* secondary text */
  --color-line: #e2ddd3;       /* borders / dividers */
  --color-accent: #9a6b4f;     /* links, highlights */
  --color-accent-dark: #774f38;
  --color-card: #fffdf9;       /* cards / raised surfaces */

  /* Typography */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Layout */
  --max-width: 1080px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.25rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1.2em; }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.25rem;
  color: var(--color-muted);
  max-width: 60ch;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-ink);
  background: var(--color-ink);
  color: var(--color-paper);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  background: transparent;
  color: var(--color-ink);
  text-decoration: none;
}

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

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

/* --------------------------------------------------------------------------
   Site header / navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.nav__brand:hover { text-decoration: none; }

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav__links a.is-active {
  color: var(--color-accent);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ink);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.section--tight { padding-block: clamp(2rem, 5vw, 3.5rem); }

.hero {
  padding-block: clamp(4rem, 12vw, 8rem);
}

.hero h1 { max-width: 14ch; }

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

/* Two-column layout (e.g. bio + portrait) */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

@media (min-width: 800px) {
  .split { grid-template-columns: 1.3fr 1fr; }
  .split--media-first { grid-template-columns: 1fr 1.3fr; }
}

.portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--color-line);
}

/* --------------------------------------------------------------------------
   Cards / grids (projects, events)
   -------------------------------------------------------------------------- */

.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

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

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(26, 23, 20, 0.08);
}

.card h3 { margin: 0; }

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

.card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.5rem;
}

.card__links a {
  font-size: 0.9rem;
  font-weight: 600;
}

/* Platform links row */
.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.platforms a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 2px;
}

.platforms a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Events list
   -------------------------------------------------------------------------- */

.events {
  list-style: none;
  margin: 0;
  padding: 0;
}

.event {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 700px) {
  .event {
    grid-template-columns: 160px 1fr auto;
    align-items: center;
  }
}

.event__date {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-ink);
}

.event__title { font-weight: 600; }

.event__venue { color: var(--color-muted); font-size: 0.95rem; }

.event__action { justify-self: start; }

@media (min-width: 700px) {
  .event__action { justify-self: end; }
}

.event--past { opacity: 0.65; }

.tabs {
  display: inline-flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 4px;
  background: var(--color-card);
}

.tab {
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--color-muted);
}

.tab.is-active {
  background: var(--color-ink);
  color: var(--color-paper);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 800px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.field input,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-card);
  color: var(--color-ink);
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 0;
  border-color: transparent;
}

.contact-detail {
  margin-bottom: 1.25rem;
}

.contact-detail span {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  margin-bottom: 0.2rem;
}

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

.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: 3rem;
  margin-top: 2rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer p { margin: 0; color: var(--color-muted); font-size: 0.9rem; }

.social {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.social a {
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Mobile navigation
   -------------------------------------------------------------------------- */

@media (max-width: 720px) {
  .nav__toggle { display: flex; }

  .nav__links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-line);
    padding: 0.5rem var(--gutter) 1.5rem;
    transform: translateY(-150%);
    transition: transform 0.25s ease;
  }

  .nav__links.is-open { transform: translateY(0); }

  .nav__links li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-line);
  }
}