/* Shared base styles for fatemeh.jam portfolio site */

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: #faf9f6;
  color: #1a1917;
  font-family: "Instrument Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  color: #1a1917;
  text-decoration: none;
}
a:hover {
  color: var(--hover, #5b3df5);
}
input,
textarea,
button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
::selection {
  background: var(--selection, #e86a9a);
  color: #1a1917;
}

@keyframes bobA {
  0%,
  100% {
    transform: rotate(-3deg) translateY(0);
  }
  50% {
    transform: rotate(-3deg) translateY(-9px);
  }
}
@keyframes bobB {
  0%,
  100% {
    transform: rotate(2.5deg) translateY(0);
  }
  50% {
    transform: rotate(2.5deg) translateY(-7px);
  }
}
@keyframes bobC {
  0%,
  100% {
    transform: rotate(-1.5deg) translateY(0);
  }
  50% {
    transform: rotate(-1.5deg) translateY(-6px);
  }
}
@keyframes ticker {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}
@keyframes blink {
  0%,
  45% {
    opacity: 1;
  }
  55%,
  100% {
    opacity: 0.25;
  }
}

/* ---------- site header / mobile nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 249, 246, 0.92);
  border-bottom: 1px solid #e4dfd5;
}
.site-header__inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 40px;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}
.site-header__brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
  z-index: 3;
}
.site-header__mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: #5b3df5;
  flex-shrink: 0;
}
.site-header__logo {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: #5f5b54;
}
.site-header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
.site-header__nav-label,
.site-header__nav a span {
  display: none;
}
.site-header__cta {
  background: #1a1917;
  color: #faf9f6 !important;
  padding: 8px 17px;
  border-radius: 999px;
}
.site-header__cta:hover {
  color: #faf9f6 !important;
  background: #5b3df5;
}
.site-header__toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 3;
  flex-shrink: 0;
}
.site-header__toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: #1a1917;
  border-radius: 20px;
  transition:
    transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.2s ease;
}
.site-header__toggle-bar + .site-header__toggle-bar {
  margin-top: 6px;
}
.site-header.is-open .site-header__toggle-bar:first-child {
  transform: translateY(3.75px) rotate(45deg);
}
.site-header.is-open .site-header__toggle-bar:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}
.site-header__backdrop {
  display: none;
}

@media (max-width: 900px) {
  .site-header__inner {
    padding: 0 20px;
  }
  .site-header__toggle {
    display: block;
  }
  .site-header__backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1;
    background: rgba(26, 25, 23, 0.28);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
  }
  .site-header.is-open .site-header__backdrop {
    opacity: 1;
    pointer-events: auto;
  }
  .site-header__nav {
    position: fixed;
    top: 66px;
    left: 12px;
    right: 12px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: min(calc(100dvh - 90px), 560px);
    padding: 22px 20px 24px;
    overflow: auto;
    background: #faf9f6;
    border: 1.5px dashed #5b3df5;
    border-radius: 10px;
    background-image: radial-gradient(#d9d3c7 1px, transparent 1px);
    background-size: 22px 22px;
    box-shadow: 0 24px 48px rgba(26, 25, 23, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.98);
    pointer-events: none;
    transition:
      opacity 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
      transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
      visibility 0.3s;
  }
  .site-header.is-open .site-header__nav {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }
  .site-header__nav-label {
    display: block;
    margin-bottom: 18px;
    font-family: "JetBrains Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #8a857c;
  }
  .site-header__nav a {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 15px 6px;
    border-bottom: 1px solid #e4dfd5;
    font-size: clamp(22px, 6vw, 28px);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(10px);
    transition:
      color 0.15s ease,
      opacity 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
      transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  .site-header.is-open .site-header__nav a {
    opacity: 1;
    transform: none;
  }
  .site-header.is-open .site-header__nav a:nth-child(2) {
    transition-delay: 0.04s;
  }
  .site-header.is-open .site-header__nav a:nth-child(3) {
    transition-delay: 0.08s;
  }
  .site-header.is-open .site-header__nav a:nth-child(4) {
    transition-delay: 0.12s;
  }
  .site-header.is-open .site-header__nav a:nth-child(5) {
    transition-delay: 0.16s;
  }
  .site-header.is-open .site-header__nav a:nth-child(6) {
    transition-delay: 0.2s;
  }
  .site-header__nav a span {
    display: inline-block;
    min-width: 1.6em;
    font-family: "JetBrains Mono", monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: #8a857c;
  }
  .site-header__nav a:not(.site-header__cta):hover {
    color: #5b3df5;
  }
  .site-header__nav a:not(.site-header__cta):hover span {
    color: #5b3df5;
  }
  .site-header__cta {
    margin-top: 20px;
    justify-content: center;
    gap: 0;
    border-bottom: 0 !important;
    padding: 14px 20px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    letter-spacing: 0 !important;
    text-align: center;
  }
  .site-header__cta span {
    display: none;
  }
  body.nav-open {
    overflow: hidden;
  }
}

/* Case-study responsive layout: pairs of desktop/mobile screenshots, two-up columns */
@media (max-width: 1000px) {
  [data-cols] {
    grid-template-columns: 1fr !important;
    gap: 36px !important;
  }
  [data-flip] > div:first-child {
    order: 2;
  }
  [data-pair] {
    grid-template-columns: 1fr !important;
  }
}
@media (max-width: 640px) {
  section {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
}