/* ============================================================
   AMIR AZIZ — PORTFOLIO
   Design: Editorial dark, gold accent
   Fonts: Cormorant (display) · Space Mono (labels) · DM Sans (body)
   ============================================================ */

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

:root {
  --bg:          #f4f5f8;
  --surface:     #eceef2;
  --border:      #d6d9e0;
  --accent:      #b07d20;
  --accent-dim:  rgba(176, 125, 32, 0.10);
  --accent-mid:  rgba(176, 125, 32, 0.30);
  --text:        #16181e;
  --text-sec:    #62656e;
  --text-muted:  #a8aab2;

  --font-display: 'Cormorant', Georgia, serif;
  --font-mono:    'Space Mono', monospace;
  --font-body:    'DM Sans', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── SELECTION ── */
::selection {
  background: var(--accent-dim);
  color: var(--accent);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(244, 245, 248, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color 0.3s;
}

#navbar.scrolled {
  border-color: rgba(200, 146, 42, 0.15);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-sec);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

/* Mobile hamburger — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  margin: -10px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text-sec);
  transition: transform 0.3s, opacity 0.3s, background 0.2s;
}

.nav-toggle.open span:first-child {
  transform: translateY(6px) rotate(45deg);
  background: var(--accent);
}
.nav-toggle.open span:last-child {
  transform: translateY(-6px) rotate(-45deg);
  background: var(--accent);
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 4rem 5rem;
  border-bottom: 1px solid var(--border);
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.75rem;
  animation: fadeUp 0.6s ease both;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(80px, 14vw, 190px);
  font-weight: 300;
  line-height: 0.88;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2.5rem;
  animation: fadeUp 0.8s 0.1s ease both;
}

.hero-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin-bottom: 2.5rem;
  animation: fadeUp 0.6s 0.25s ease both;
}

.hero-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  animation: fadeUp 0.6s 0.38s ease both;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 300;
  font-style: italic;
  color: var(--text-sec);
  line-height: 1.4;
  text-align: left;
}

.hero-desc {
  max-width: 520px;
  font-size: 16px;
  color: var(--text-sec);
  line-height: 1.75;
  text-align: left;
}

/* ============================================================
   SHARED SECTION STYLES
   ============================================================ */
section {
  padding: 6rem 4rem;
  border-bottom: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 300;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ============================================================
   PORTFOLIO GRID
   ============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
}

.portfolio-card {
  background: var(--bg);
  padding: 2.75rem;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  color: var(--text);
  /* Entrance animation */
  opacity: 0;
  transform: translateY(14px);
  transition: background 0.3s, opacity 0.55s ease, transform 0.55s ease;
}

.portfolio-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays */
.portfolio-card:nth-child(1) { transition-delay: 0s,    0s; }
.portfolio-card:nth-child(2) { transition-delay: 0s,    0.07s; }
.portfolio-card:nth-child(3) { transition-delay: 0s,    0.14s; }
.portfolio-card:nth-child(4) { transition-delay: 0s,    0.21s; }
.portfolio-card:nth-child(5) { transition-delay: 0s,    0.28s; }
.portfolio-card:nth-child(6) { transition-delay: 0s,    0.35s; }

/* Gold top-line reveal on hover */
.portfolio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover {
  background: var(--surface);
}

.portfolio-card:hover::before {
  transform: scaleX(1);
}

.card-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.card-logo {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-logo img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  display: block;
}

.card-logo img[src*="American_Express"],
.card-logo img[src*="philips"] {
  width: 140px;
  height: 140px;
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 300;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.card-desc {
  font-size: 13px;
  color: var(--text-sec);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.card-link {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}

.portfolio-card:hover .card-link {
  color: var(--accent);
}

/* ============================================================
   CAREER
   ============================================================ */
.career-list {
  display: flex;
  flex-direction: column;
}

.career-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 4rem;
  padding: 2.75rem 0;
  border-bottom: 1px solid var(--border);
  /* Entrance animation */
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.career-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.career-item:nth-child(1) { transition-delay: 0s; }
.career-item:nth-child(2) { transition-delay: 0.1s; }
.career-item:nth-child(3) { transition-delay: 0.2s; }
.career-item:nth-child(4) { transition-delay: 0.3s; }

.career-item:last-child {
  border-bottom: none;
}

.career-meta {
  padding-top: 4px;
}

.career-period {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
  line-height: 1.6;
}

.career-company {
  font-size: 12px;
  color: var(--text-sec);
  letter-spacing: 0.02em;
}

.career-role {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 300;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.career-detail {
  font-size: 13px;
  color: var(--text-sec);
  line-height: 1.85;
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.skill-pill {
  padding: 0.5rem 1.375rem;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-sec);
  transition: border-color 0.2s, color 0.2s;
  cursor: default;
}

.skill-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.skill-pill.featured {
  border-color: var(--accent-mid);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 88px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 0.5rem;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.contact-value {
  font-size: 15px;
  color: var(--text);
}

.contact-value a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: border-color 0.2s, color 0.2s;
}

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

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  padding: 2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .career-item {
    grid-template-columns: 180px 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 860px) {
  /* Nav */
  #navbar {
    padding: 1.25rem 1.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 15px;
    letter-spacing: 0.2em;
    padding: 0.5rem 1rem;
    -webkit-tap-highlight-color: transparent;
  }

  /* Hero */
  #hero {
    padding: 0 1.5rem 3.5rem;
  }

  .hero-bottom {
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
  }

  .hero-desc {
    text-align: left;
    max-width: 100%;
  }

  /* Sections */
  section {
    padding: 4rem 1.5rem;
  }

  /* Portfolio */
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  /* Career */
  .career-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  footer {
    padding: 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: clamp(64px, 18vw, 90px);
  }

  .section-title {
    font-size: 32px;
  }

  .portfolio-card {
    padding: 2rem 1.5rem;
  }
}

/* ============================================================
   CASE STUDY PAGES
   ============================================================ */

/* Back link */
.cs-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-sec);
  text-decoration: none;
  transition: color 0.2s;
}
.cs-back:hover { color: var(--accent); }
.cs-back::before { content: '←'; }

/* Case study page header */
.cs-header {
  padding: 9rem 4rem 5rem;
  border-bottom: 1px solid var(--border);
}

.cs-header-top {
  margin-bottom: 2.5rem;
}

.cs-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.cs-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

/* Case study body */
.cs-body {
  padding: 0 4rem;
}

/* Grid rows */
.cs-row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2.5rem;
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: stretch; /* equal-height columns per row */
}
.cs-row:last-child { border-bottom: none; }

/* Text columns align to top within stretched row */
.cs-text {
  align-self: start;
}

/* Column spans */
.cs-col-4  { grid-column: span 4; }
.cs-col-5  { grid-column: span 5; }
.cs-col-6  { grid-column: span 6; }
.cs-col-7  { grid-column: span 7; }
.cs-col-8  { grid-column: span 8; }
.cs-col-12 { grid-column: span 12; }

/* Text block */
.cs-text h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 300;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
  margin-top: 2.25rem;
  color: var(--text);
  line-height: 1.2;
}
.cs-text h2:first-child { margin-top: 0; }

.cs-text h6 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  font-weight: 300;
  color: var(--text-sec);
  margin-bottom: 0.75rem;
  line-height: 1.55;
}

.cs-text p {
  font-size: 13px;
  color: var(--text-sec);
  line-height: 1.9;
  margin-bottom: 0.75rem;
}

.cs-text ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}

.cs-text li {
  font-size: 13px;
  color: var(--text-sec);
  line-height: 1.9;
  padding-left: 1.25rem;
  position: relative;
}
.cs-text li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  top: 6px;
}
.cs-text li b {
  color: var(--text);
  font-weight: 400;
}

/* KPI highlights */
.cs-kpis {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.cs-kpi {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.cs-kpi:first-child { border-top: 1px solid var(--border); }
.cs-kpi-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}
.cs-kpi-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
}

/* Images */
.cs-img {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 2rem;
  gap: 1.5rem;
  box-shadow: 0 8px 32px rgba(30, 25, 18, 0.18), 0 2px 8px rgba(30, 25, 18, 0.12);
}
.cs-img img {
  /* Never upscale past natural size — prevents blur on small GIFs */
  max-width: 100%;
  width: auto;
  height: auto;
  display: block;
  /* Center within the panel */
  margin: 0 auto;
}
.cs-img + .cs-img { margin-top: 2.5rem; }

/* Case study footer separator */
.cs-footer-back {
  padding: 3rem 4rem;
  border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 860px) {
  .cs-header {
    padding: 7rem 1.5rem 3rem;
  }

  .cs-body {
    padding: 0 1.5rem;
  }

  .cs-footer-back {
    padding: 2rem 1.5rem;
  }

  .cs-row {
    padding: 3rem 0;
    gap: 2rem;
  }

  .cs-col-4,
  .cs-col-5,
  .cs-col-6,
  .cs-col-7,
  .cs-col-8,
  .cs-col-12 {
    grid-column: span 12;
  }
}