/* ============================================================
   yaseenmalik.com — Stylesheet
   Warm editorial aesthetic. Source Serif 4 + DM Sans.
   ============================================================ */

/* === TOKENS === */
:root {
  --ink: #1C1C1A;
  --ink-mid: #4A4A45;
  --ink-light: #7A7A72;
  --accent: #8B5E3C;
  --accent-light: #C49A6C;
  --rule: #E2E0DA;
  --card: #F3F2EE;
  --highlight: #FDF6EE;
  --page: #FAFAF8;
  --bg: #E8E6E0;
  --green: #3D6B50;
  --green-bg: #EDF5F0;

  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;

  --transition: 160ms ease;
}

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
}

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

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

ul {
  list-style: none;
}

/* === PAGE WRAPPER === */
.page-wrap {
  background: var(--page);
  max-width: 1040px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 0 64px 100px;
  position: relative;
}

/* Subtle shadow to create document-in-space feeling */
.page-wrap::before,
.page-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--rule);
  opacity: 0.6;
}
.page-wrap::before { left: 0; }
.page-wrap::after  { right: 0; }

/* === NAVIGATION === */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 28px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 0;
}

.nav-home {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: color var(--transition);
}
.nav-home:hover { color: var(--ink); }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-light);
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

/* Dropdown */
.nav-dropdown-wrap {
  position: relative;
}

.nav-dropdown-trigger {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-light);
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}

.nav-dropdown-trigger.active,
.nav-dropdown-wrap:hover .nav-dropdown-trigger {
  color: var(--accent);
}

.nav-caret {
  font-size: 8px;
  opacity: 0.6;
  transition: transform var(--transition);
}

.nav-dropdown-wrap:hover .nav-caret {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  padding-top: 10px; /* bridge gap — mouse stays inside element */
  min-width: 190px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 50;
  background: transparent;
}

.nav-dropdown-box {
  background: var(--page);
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: 6px 0;
  box-shadow: 0 4px 16px rgba(28,28,26,0.08);
}

.nav-dropdown-wrap:hover .nav-dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-mid);
  letter-spacing: 0.02em;
  transition: color var(--transition), background var(--transition);
}

.nav-dropdown-item:hover {
  color: var(--accent);
  background: var(--highlight);
}

.nav-dropdown-num {
  font-size: 9px;
  color: var(--ink-light);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.nav-motion-trigger {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-light);
  cursor: pointer;
  transition: color var(--transition);
  text-decoration: none;
}

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

/* === TYPOGRAPHY SYSTEM === */

.eyebrow {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}

.eyebrow--light {
  color: var(--ink-light);
}

h1.hero-name {
  font-family: var(--font-serif);
  font-size: 52px;
  font-weight: 600;
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.01em;
}

h1.case-title {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 600;
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-top: 4px;
}

h2.section-heading {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
}

h3.card-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 10px;
}

.hero-role {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-mid);
  letter-spacing: 0.02em;
  margin-top: 8px;
}

.case-subtitle {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  font-style: italic;
  color: var(--ink-mid);
  margin-top: 10px;
  line-height: 1.4;
}

.body-text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-mid);
}

.body-text p + p {
  margin-top: 18px;
}

.meta-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-light);
  display: block;
  margin-bottom: 8px;
}

.meta-value {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.5;
}

/* === DIVIDERS === */
.divider {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 52px 0;
}

.divider--tight {
  margin: 32px 0;
}

.divider--loose {
  margin: 64px 0;
}

/* === TAGS === */
.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  background: var(--card);
  color: var(--ink-mid);
  border: 1px solid var(--rule);
  line-height: 1.4;
}

.tag--accent {
  background: var(--highlight);
  color: var(--accent);
  border-color: var(--accent-light);
}

.tag--constraint {
  background: var(--card);
  color: var(--ink-mid);
  border-color: var(--rule);
}

/* === PULL QUOTE === */
.pull-quote {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  font-style: italic;
  color: var(--ink);
  line-height: 1.55;
  border-left: 3px solid var(--accent-light);
  padding-left: 22px;
  margin: 36px 0;
}

/* === CASE STUDY METADATA GRID === */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 36px 0;
}

.meta-cell {
  padding: 22px 0 22px;
  padding-right: 20px;
}

.meta-cell + .meta-cell {
  border-left: 1px solid var(--rule);
  padding-left: 20px;
  padding-right: 0;
}

/* === NUMBERED SECTION HEADER === */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 22px;
}

.section-num {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  flex-shrink: 0;
  padding-top: 4px;
}

/* === COMPONENT CARDS (2x2 grid) === */
.component-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0;
}

.component-card {
  background: var(--card);
  border-radius: 5px;
  padding: 22px 24px;
}

.component-card .eyebrow {
  margin-bottom: 8px;
}

.component-card .card-title {
  margin-bottom: 12px;
}

.component-card .body-text {
  font-size: 13px;
  line-height: 1.65;
}

/* === PHASE TIMELINE === */
.phase-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 24px 0;
}

.phase-item {
  background: var(--card);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: start;
}

.phase-item:first-child { border-radius: 5px 5px 0 0; }
.phase-item:last-child  { border-radius: 0 0 5px 5px; }

.phase-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 2px;
}

.phase-text {
  font-size: 13px;
  color: var(--ink-mid);
  line-height: 1.6;
}

/* === CALLOUT BLOCK === */
.callout {
  background: var(--highlight);
  border-left: 3px solid var(--accent-light);
  padding: 16px 20px;
  border-radius: 0 4px 4px 0;
  margin: 24px 0;
  font-size: 13px;
  color: var(--ink-mid);
  line-height: 1.65;
}

/* ============================================================
   RESUME PAGE
   ============================================================ */

.resume-hero {
  padding: 64px 0 48px;
}

.resume-contact {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.resume-contact a,
.resume-contact span {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-light);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

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

.resume-contact .sep {
  color: var(--rule);
}

.resume-section {
  margin-bottom: 56px;
}

.resume-section:last-child {
  margin-bottom: 0;
}

/* Experience entry */
.exp-entry {
  margin-bottom: 36px;
}

.exp-entry:last-child {
  margin-bottom: 0;
}

.exp-company {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.exp-role {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
}

.exp-dates {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-light);
  margin-top: 4px;
  margin-bottom: 12px;
}

.exp-body {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-mid);
}

.exp-body li {
  padding-left: 14px;
  position: relative;
  margin-bottom: 6px;
}

.exp-body li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--ink-light);
  font-size: 11px;
  top: 2px;
}

/* Sub-role within same company */
.exp-sub {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}

/* Key initiatives */
.initiatives {
  margin-top: 20px;
}

.initiatives-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 10px;
}

.initiative-item {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
  align-items: baseline;
}

.initiative-name {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  flex-shrink: 0;
}

.initiative-desc {
  font-size: 12px;
  color: var(--ink-light);
  line-height: 1.5;
}

/* Core strengths list */
.strengths-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.strengths-list li {
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--ink-mid);
  line-height: 1.5;
  padding: 9px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 10px;
}

.strengths-list li:first-child {
  border-top: 1px solid var(--rule);
}

.strengths-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-light);
  flex-shrink: 0;
}

/* Tools section */
.tools-group {
  margin-bottom: 14px;
}

.tools-group-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 8px;
}

/* Earlier experience compact list */
.earlier-exp {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.earlier-item {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.earlier-title {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-mid);
}

.earlier-company {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--ink-light);
}

/* Motion work link / modal trigger */
.motion-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  cursor: pointer;
  margin-top: 16px;
  transition: opacity var(--transition);
  border: none;
  background: none;
  padding: 0;
}

.motion-trigger:hover {
  opacity: 0.7;
}

.motion-trigger-arrow {
  font-size: 13px;
  transition: transform var(--transition);
}

.motion-trigger:hover .motion-trigger-arrow {
  transform: translate(2px, -2px);
}

/* Education & Languages */
.edu-item {
  margin-bottom: 10px;
}

.edu-degree {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

.edu-meta {
  font-size: 11px;
  color: var(--ink-light);
  margin-top: 2px;
}

.languages-list {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ink-mid);
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.lang-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-item + .lang-item::before {
  content: '·';
  color: var(--rule);
  margin-right: 0;
}

.lang-level {
  font-size: 10px;
  color: var(--ink-light);
}

/* ============================================================
   CASE STUDY PAGE
   ============================================================ */

.case-hero {
  padding: 64px 0 0;
}

.case-section {
  margin-bottom: 52px;
}

.case-section:last-child {
  margin-bottom: 0;
}

/* Page number indicator (top right) */
.page-indicator {
  font-family: var(--font-sans);
  font-size: 10px;
  color: var(--ink-light);
  letter-spacing: 0.06em;
  text-align: right;
  margin-bottom: 12px;
}

/* ============================================================
   WORK INDEX PAGE
   ============================================================ */

.work-hero {
  padding: 64px 0 40px;
}

.work-list {
  display: flex;
  flex-direction: column;
}

.work-item {
  display: block;
  padding: 40px 0;
  border-top: 1px solid var(--rule);
  transition: background var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.work-item:last-child {
  border-bottom: 1px solid var(--rule);
}

.work-item-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
}

.work-item-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  margin: 6px 0 8px;
  transition: color var(--transition);
  line-height: 1.2;
}

.work-item:hover .work-item-title {
  color: var(--accent);
}

.work-item-subtitle {
  font-family: var(--font-serif);
  font-size: 14px;
  font-style: italic;
  color: var(--ink-light);
  line-height: 1.4;
  margin-bottom: 14px;
}

.work-item-arrow {
  font-size: 22px;
  color: var(--rule);
  transition: color var(--transition), transform var(--transition);
  margin-top: 10px;
  flex-shrink: 0;
}

.work-item:hover .work-item-arrow {
  color: var(--accent);
  transform: translate(3px, -3px);
}

/* ============================================================
   MODAL
   ============================================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 28, 26, 0.72);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  backdrop-filter: blur(2px);
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--page);
  border-radius: 6px;
  width: 100%;
  max-width: 720px;
  padding: 32px;
  position: relative;
  transform: translateY(12px);
  transition: transform 220ms ease;
}

.modal-backdrop.is-open .modal-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.modal-subtitle {
  font-size: 11px;
  color: var(--ink-light);
  margin-top: 4px;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-light);
  font-size: 20px;
  line-height: 1;
  padding: 4px;
  transition: color var(--transition);
  flex-shrink: 0;
}

.modal-close:hover {
  color: var(--ink);
}

.modal-video-wrap {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: 4px;
  background: var(--bg);
}

.modal-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.modal-note {
  font-size: 11px;
  color: var(--ink-light);
  margin-top: 14px;
  text-align: center;
}

/* ============================================================
   PAGE LOAD ANIMATION
   ============================================================ */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: fadeUp 500ms ease forwards;
}

.animate-in--delay-1 { animation-delay: 60ms; }
.animate-in--delay-2 { animation-delay: 130ms; }
.animate-in--delay-3 { animation-delay: 200ms; }
.animate-in--delay-4 { animation-delay: 280ms; }
.animate-in--delay-5 { animation-delay: 360ms; }

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 36px 0;
  margin-top: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-contact {
  display: flex;
  gap: 20px;
  align-items: center;
}

.footer-contact a {
  font-size: 11px;
  color: var(--ink-light);
  font-weight: 400;
  transition: color var(--transition);
  letter-spacing: 0.02em;
}

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

.footer-mark {
  font-family: var(--font-sans);
  font-size: 10px;
  color: var(--rule);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1000px) {
  .page-wrap {
    padding: 0 40px 80px;
  }
}

@media (max-width: 640px) {
  .page-wrap {
    padding: 0 20px 64px;
    max-width: 100%;
  }

  .page-wrap::before,
  .page-wrap::after {
    display: none;
  }

  h1.hero-name {
    font-size: 38px;
  }

  h1.case-title {
    font-size: 34px;
  }

  .meta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .meta-cell + .meta-cell:nth-child(3) {
    border-left: none;
    padding-left: 0;
    padding-right: 20px;
    border-top: 1px solid var(--rule);
  }

  .meta-cell + .meta-cell:nth-child(4) {
    border-top: 1px solid var(--rule);
  }

  .component-grid {
    grid-template-columns: 1fr;
  }

  .work-item-inner {
    grid-template-columns: 1fr;
  }

  .work-item-arrow {
    display: none;
  }

  .nav-links {
    gap: 18px;
  }

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

  .phase-item {
    grid-template-columns: 60px 1fr;
  }
}

@media (max-width: 400px) {
  .meta-grid {
    grid-template-columns: 1fr;
  }

  .meta-cell + .meta-cell {
    border-left: none;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-right: 0;
  }
}