/* ============================================================
   Jessica Feto — Portfolio
   Design system: clean / precise — white & ink, burgundy accent
   Inspired by Apple's clarity and precision.
   Inter (sans) throughout; Fraunces for key display moments.
   ============================================================ */

:root {
  --bg: #FFFFFF;
  --bg-alt: #F5F5F7;
  --ink: #1D1D1F;
  --text: #1D1D1F;
  --text-light: #6E6E73;
  --accent: #7A1E2E;
  --accent-dark: #54101C;
  --accent-light: #FAF0F2;
  --border: rgba(0, 0, 0, 0.10);
  --border-solid: #E0E0E5;
  --white: #FFFFFF;
  --radius: 14px;
  --radius-sm: 8px;
  --max-width: 1180px;
  --shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 28px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Helvetica, Arial, sans-serif;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em 0;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 {
  font-family: 'Fraunces', Georgia, 'Times New Roman', serif;
  font-weight: 600;
  font-size: 3.8rem;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

h2 { font-size: 2rem; letter-spacing: -0.015em; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em 0; }

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------------- Labels / eyebrows ---------------- */
.eyebrow,
.section-head .eyebrow {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-light);
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 24px;
}

.hero .eyebrow::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 1px;
  background: var(--accent);
}

.section-head .eyebrow {
  display: block;
  margin-bottom: 12px;
}

/* ---------------- Navbar ---------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  transition: padding 0.3s cubic-bezier(0.2,0.8,0.2,1);
}

/* Shrink on scroll */
.navbar.scrolled .container {
  padding-top: 11px;
  padding-bottom: 11px;
}

.navbar .logo {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.navbar .logo span { color: var(--accent); }

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

/* Nav text links */
.nav-links a:not(.btn) {
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.86rem;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s ease;
}

/* Animated underline */
.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.25s cubic-bezier(0.2,0.8,0.2,1);
}

.nav-links a:not(.btn):hover,
.nav-links a:not(.btn).active {
  color: var(--accent);
  text-decoration: none;
}

.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn).active::after {
  width: 100%;
}

/* Ghost button variant */
.btn.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  box-shadow: none;
}
.btn.btn-ghost:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(122,30,46,0.22);
}

.nav-links .btn { margin-left: 4px; }

/* Hamburger button */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  z-index: 60;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary,
.btn-primary:visited {
  background: var(--accent);
  color: #fff !important;
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff !important;
  box-shadow: 0 6px 18px rgba(122,30,46,.24);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-solid);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-dark {
  background: var(--ink);
  color: #fff;
}
.btn-dark:hover {
  background: var(--accent-dark);
}

.btn-sm { padding: 9px 18px; font-size: 0.82rem; }

/* ---------------- Hero (2-column) ---------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 0 0 80px;
  min-height: 100vh;

  background:
    radial-gradient(
      circle at 78% 42%,
      rgba(122,30,46,0.12),
      transparent 42%
    ),
    #fafafa;
}

.hero::before {
  content: "";
  position: absolute;

  right: -100px;
  top: 50%;

  transform: translateY(-50%);

  width: 850px;
  height: 850px;

  border-radius: 50%;

  background:
    radial-gradient(
      circle,
      rgba(122,30,46,.18) 0%,
      rgba(122,30,46,.08) 35%,
      transparent 70%
    );

  filter: blur(100px);

  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: 92vh;
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero h1 {
  font-size: 3.8rem;
  max-width: 620px;
  margin-bottom: 22px;
}

.hero .lede {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero .actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-photo {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-top: 40px;
}

.hero-photo img {
  display: block;
  width: 100%;
  max-width: 700px;
  max-height: 95vh;
  object-fit: contain;
  transform: scale(1.08);
  transform-origin: bottom center;

  filter:
    drop-shadow(0 30px 60px rgba(0,0,0,0.08));
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin: 50px 0;
}

.hero-stat {
  position: relative;
  padding-left: 0px;
}

.hero-stat:not(:first-child)::before {

  content: "";
  position: absolute;
  left: -20px;
  top: 8px;
  width: 1px;
  height: 56px;
  background: rgba(122,30,46,.15);
}

.hero-stat strong {
  display: block;
  font-family: -apple-system, 'Inter', sans-serif;
  font-weight: 800;
  font-size: 2.8rem;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat span {
  display: block;
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: .6rem;
  color: var(--text-light);
}

/* ---------------- Sections ---------------- */
section {
  padding: 88px 0;
}
section.alt {
  background: var(--bg-alt);
}

section.dark {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.86);
}

section.dark h2,
section.dark h3 {
  color: #fff;
}

section.dark p {
  color: rgba(255, 255, 255, 0.6);
}

section.dark .section-head .eyebrow {
  color: rgba(255, 255, 255, 0.45);
}

.section-head {
  max-width: 680px;
  margin-bottom: 44px;
}

.section-head p {
  color: var(--text-light);
  font-size: 1rem;
  margin: 0;
}

/* ---------------- Grids & Cards ---------------- */
.grid {
  display: grid;
  gap: 16px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card h3 { margin-bottom: 8px; }
.card p {
  color: var(--text-light);
  font-size: 0.93rem;
  margin-bottom: 0;
}


/* Tags */
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text);
  padding: 4px 11px;
  border-radius: 999px;
  margin: 0 5px 6px 0;
  letter-spacing: 0.01em;
  border: 1px solid var(--border);
}

/* ---------------- About / profile ---------------- */
/* –––––––– About –––––––– */
#about {
    min-height: 100vh;
    display: flex;
    align-items: center;
}
.about-grid{
    display:grid;
    grid-template-columns:340px 1fr;
    gap:90px;
    align-items:center;
}

.about-photo img{
width:360px;
height:460px;
object-fit:cover;
border-radius:32px;
box-shadow:0 30px 60px rgba(0,0,0,.08);
}

.about-degrees {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.about-degree {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(122,30,46,0.15);
  border-radius: 999px;
  padding: 5px 14px;
}

.about-sponsorship {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-light);
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-solid);
}

.about-copy h2{
font-size:1.8rem;
line-height:1.05;
letter-spacing:-0.04em;
max-width:520px;
margin-bottom:28px;
}

.about-lede{
font-size:1.05rem;
color:var(--ink);
margin-bottom:24px;
max-width:700px;
}

.about-highlight{
color:var(--accent);
font-weight:600;
margin-bottom:24px;
}

.about-copy p{
max-width:760px;
}

.about-info{
margin-top:24px;
}

.about-group{
    border-top:1px solid rgba(0,0,0,.08);
    padding-top:14px;
    margin-top:14px;
}

.about-copy p:last-of-type{
margin-bottom:8px;
}

.about-group-label{
display:block;
font-size:.72rem;
text-transform:uppercase;
letter-spacing:.22em;
color:var(--text-light);
margin-bottom:10px;
}

.about-credentials{
display:grid;
grid-template-columns:1fr 1fr;
gap:8px 40px;
}

.about-credentials div{
font-size:1rem;
font-weight:500;
color:var(--ink);
}

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

.about-photo{
    text-align:center;
}

.about-photo img{
    width:240px;
    height:320px;
}

.about-copy h2{
    font-size:2.8rem;
}

.about-credentials{
    grid-template-columns:1fr;
    gap:14px;
}
}

.about{
    min-height:100vh;
    display:flex;
    align-items:center;
}
/* ---------------- Work Experience ---------------- */
#experience {
    border-top: 1px solid rgba(0,0,0,.08);
}

#experience::before{

    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:1px;
    background:rgba(0,0,0,.08);
}

#experience::after{
    content:"";
    position:absolute;

    top:-150px;
    right:-250px;

    width:700px;
    height:700px;

    border-radius:50%;

    background:
      radial-gradient(
        circle,
        rgba(122,30,46,.10) 0%,
        rgba(122,30,46,.04) 40%,
        transparent 70%
      );

    filter:blur(80px);

    pointer-events:none;
    z-index:0;
}
.experience-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.experience-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.experience-meta {
  padding-top: 2px;
}

.experience-meta .exp-company {
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  margin: 0 0 4px;
}

.experience-meta .exp-date {
  font-size: 0.82rem;
  color: var(--text-light);
  margin: 0 0 4px;
}

.experience-meta .exp-location {
  font-size: 0.82rem;
  color: var(--text-light);
  margin: 0;
}

.experience-content .exp-role {
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
  margin: 0 0 10px;
}

.experience-content p {
  font-size: 0.93rem;
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

/* ---------------- Project Grid Layout (Apple-style) ---------------- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 0;
}

.projects-grid--three {
  grid-template-columns: repeat(3, 1fr);
}

.projects-grid--two {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 20px;
}

/* Oxyzn card visual */
.project-card .project-visual.oxyzn-visual {
  background: linear-gradient(145deg, #0a2e1f 0%, #0f3d28 50%, #0a2015 100%);
}
.project-card .project-visual.oxyzn-visual::before {
  background: radial-gradient(circle, rgba(20,120,70,0.5) 0%, transparent 68%);
}
/* GA / Analytics card visual */
.project-card .project-visual.ga-visual {
  background: linear-gradient(145deg, #0d1f3c 0%, #1a3a6b 50%, #0a1628 100%);
}
.project-card .project-visual.ga-visual::before {
  background: radial-gradient(circle, rgba(66,133,244,0.45) 0%, transparent 68%);
}

.tag.oxyzn-tag {
  background: rgba(10,46,31,0.09);
  color: #0a2e1f;
  border: 1px solid rgba(10,46,31,0.18);
}

/* ---------------- Project Cards (Apple-style) ---------------- */
.project-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: none;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.05);
  margin-bottom: 0;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card:hover {
  transform: translateY(-8px) scale(1.012);
  box-shadow: 0 24px 64px rgba(0,0,0,0.13), 0 0 0 1px rgba(0,0,0,0.05);
}

/* Featured card — spans full grid width, horizontal layout */
.project-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.project-card--featured .project-visual {
  width: 42%;
  height: auto;
  min-height: 300px;
}

.project-card--featured .project-body {
  flex: 1;
  padding: 40px 44px;
  justify-content: center;
}

/* Visual area */
.project-card .project-visual {
  background: linear-gradient(145deg, #F0EDE8 0%, #E8E4E0 100%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 14px 18px;
  height: 110px;
  position: relative;
  overflow: hidden;
}

/* Ambient glow orb — colour set per brand */
.project-card .project-visual::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

/* intellimation */
.project-card .project-visual.in-visual {
  background: linear-gradient(145deg, #0F0F10 0%, #1A1A1C 50%, #2E0A12 100%);
}

.project-card .project-visual.in-visual::before {
  background: radial-gradient(circle, rgba(122,30,46,0.7) 0%, transparent 68%);
}

/* Glass-pill badge */
.project-card .project-visual .in-mark {
  font-family: -apple-system, 'Inter', sans-serif;
  font-weight: 800;
  font-size: 0.52rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.2em;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 7px;
  width: auto;
  height: auto;
  display: inline-block;
  padding: 6px 11px;
  text-align: left;
  line-height: 1.7;
  text-transform: uppercase;
  position: relative;
  z-index: 2;
}

/* Card body */
.project-card .project-body {
  padding: 20px 22px 24px;
  display: grid;
  grid-template-rows: auto 4.75rem auto 1fr;
  flex: 1;
}

.card-meta {
  font-size: 0.55rem;
  color: var(--text-light);
  letter-spacing: 0.01em;
  margin: 0 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-card .project-body .tags {
  margin-bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-card .project-body h3 {
  font-size: 1.08rem;
  margin-bottom: 0;
  color: var(--ink);
  display: flex;
  align-items: flex-start;
}

.project-card .project-body > p {
  color: var(--text-light);
  font-size: 0.88rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 0;
}

/* Labels for project type */
.project-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
}

.project-label.real { color: var(--accent); }

/* Stats row with dividers */
.project-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 0 16px;
  padding: 12px 0;
  border-top: 1px solid var(--border-solid);
  gap: 0;
}

.project-stats .stat {
  padding: 0 12px;
  border-right: 1px solid var(--border-solid);
}

.project-stats .stat:first-child { padding-left: 0; }
.project-stats .stat:last-child { border-right: none; }

.project-stats .stat strong {
  display: block;
  font-family: -apple-system, 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}

.project-stats .stat span {
  font-size: 0.58rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.35;
  display: block;
}

/* Card text-link CTA — Apple "Learn more ›" pattern */
.proj-link {
  display: inline-flex;
  align-items: center;
  align-self: end;
  gap: 5px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  margin-top: 4px;
  transition: gap 0.2s ease;
}
.proj-link:hover { gap: 9px; }

/* ---------------- Concept Cards (compact app-drawer style) ---------------- */
.projects-grid--concept {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.concept-card {
  background: #EEE9E0;
  border-radius: 18px;
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 8px rgba(0,0,0,0.05), 0 0 0 1px rgba(0,0,0,0.04);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.concept-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.1), 0 0 0 1px rgba(0,0,0,0.04);
}

.concept-card.hl-concept {
  background: #FAE0EF;
}

.concept-badge {
  font-family: -apple-system, 'Inter', sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 14px;
}

.concept-icon {
  width: 26px;
  height: 26px;
  margin-bottom: 14px;
  color: var(--rt-sage-dark, #4F6249);
  flex-shrink: 0;
}

.concept-card.hl-concept .concept-icon {
  color: var(--hl-magenta-dark, #A1144A);
}

.concept-desc {
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.45;
  margin: 0 0 14px;
  flex: 1;
}

.concept-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  transition: gap 0.2s ease;
}

.concept-link:hover {
  text-decoration: none;
  gap: 8px;
}

@media (max-width: 860px) {
  .projects-grid--concept { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .projects-grid--concept { grid-template-columns: 1fr; }
}

/* ---------------- Results — Apple-style metric display ---------------- */
.results-block {
  border-top: 1px solid rgba(255,255,255,0.09);
  padding: 36px 0;
}

.results-group-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-bottom: 32px;
}

.results-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.metric {
  padding-right: 32px;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.metric:last-child {
  border-right: none;
  padding-right: 0;
}

.metric + .metric {
  padding-left: 32px;
}

.metric-number {
  font-family: -apple-system, 'Inter', sans-serif;
  font-weight: 800;
  font-size: 2.9rem;
  color: #F2F2F7;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 10px;
}

.metric-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.4;
  margin-bottom: 5px;
}

.metric-source {
  font-size: 0.62rem;
  color: rgba(255,255,255,0.22);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (max-width: 860px) {
  .results-row { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .metric { border-right: none; padding: 0; }
  .metric + .metric { padding-left: 0; }
}

@media (max-width: 480px) {
  .results-row { grid-template-columns: repeat(2, 1fr); }
}

/* Legacy stat-card — kept for any other pages using it */
.stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px 18px;
}

.stat-card strong,
.stat-display {
  display: block;
  font-family: -apple-system, 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #F2A9B6;
  margin-bottom: 4px;
}

.stat-card span {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.01em;
  line-height: 1.3;
  display: block;
}

/* ---------------- Skills (Apple-style premium cards) ---------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-card {
  background: var(--white);
  border: none;
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05), 0 0 0 1px rgba(0,0,0,0.05);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0,0,0,0.1), 0 0 0 1px rgba(0,0,0,0.05);
}

.skill-icon-wrap {
  width: 42px;
  height: 42px;
  background: var(--ink);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  flex-shrink: 0;
}

.skill-icon-wrap svg {
  width: 20px;
  height: 20px;
  color: rgba(255,255,255,0.85);
}

.skill-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}

.skill-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.62;
  margin-bottom: 18px;
  flex: 1;
}

.skill-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-solid);
}

.skill-tool {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-light);
  background: var(--bg-alt);
  border-radius: 999px;
  padding: 4px 10px;
}

@media (max-width: 860px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* Legacy .skill-card .skill-icon selector kept for safety */
.skill-card .skill-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--ink);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-card .skill-icon svg {
  width: 18px;
  height: 18px;
  fill: rgba(255,255,255,0.8);
}

.skill-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.skill-card p {
  color: var(--text-light);
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0;
}

/* ---------------- Testimonials ---------------- */
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.testimonial-card .quote {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--ink);
  flex-grow: 1;
  margin-bottom: 18px;
}

.testimonial-card .quote::before { content: '\201C'; color: var(--accent); }
.testimonial-card .quote::after  { content: '\201D'; color: var(--accent); }

.testimonial-card .person strong { display: block; font-size: 0.9rem; }
.testimonial-card .person span   { font-size: 0.8rem; color: var(--text-light); }

/* ---------------- Certifications (Apple card style) ---------------- */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cert-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--white);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05), 0 0 0 1px rgba(0,0,0,0.05);
  text-decoration: none;
  color: inherit;
  transition: transform 0.35s cubic-bezier(0.2,0.8,0.2,1),
              box-shadow 0.35s cubic-bezier(0.2,0.8,0.2,1);
}

.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0,0,0,0.1), 0 0 0 1px rgba(0,0,0,0.05);
  text-decoration: none;
}

.cert-logo {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.56rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: white;
  overflow: hidden;
}

.cert-logo svg { display: block; }

.cert-logo--ibm      { background: #1F70C1; }
.cert-logo--google   { background: #fff; border: 1px solid var(--border-solid); }
.cert-logo--stanford { background: #8C1515; }
.cert-logo--udemy    { background: #A435F0; }
.cert-logo--jw       { background: var(--ink); }
.cert-logo--ielts    { background: #003A70; font-size: 0.5rem; letter-spacing: 0.04em; }

.cert-body { flex: 1; min-width: 0; }

.cert-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 3px;
  line-height: 1.3;
}

.cert-issuer {
  font-size: 0.76rem;
  color: var(--text-light);
  margin: 0 0 12px;
}

.cert-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.cert-tag {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-light);
  background: var(--bg-alt);
  border-radius: 999px;
  padding: 3px 9px;
}

.cert-year {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 680px) {
  .cert-grid { grid-template-columns: 1fr; }
}

/* Legacy cert list — kept in case used on case study pages */
#certifications .cert-list {
  border-top: 1px solid var(--border);
}

.cert-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

a.cert-item {
  color: inherit;
  text-decoration: none;
  transition: background 0.1s ease;
}

a.cert-item:hover {
  text-decoration: none;
  background: none;
}

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

.cert-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 4px;
  transition: color 0.15s ease;
}

.cert-issuer {
  font-size: 0.84rem;
  color: var(--text-light);
  margin: 0 0 6px;
}

.cert-subjects {
  font-size: 0.82rem;
  color: var(--text-light);
  margin: 0;
  line-height: 1.5;
}

.cert-year {
  font-size: 0.82rem;
  color: var(--text-light);
  white-space: nowrap;
  padding-top: 2px;
}

/* ---------------- Case study template ---------------- */
.case-hero {
  padding: 60px 0 64px;
}

.case-hero .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 32px;
}

.case-hero .back-link:hover { color: var(--accent); }

.case-hero h1 {
  max-width: 840px;
  font-size: 3.2rem;
}

.case-hero .lede {
  max-width: 660px;
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 24px;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.case-meta .meta-item span {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 5px;
}

.case-meta .meta-item strong {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

.case-step-number {
  font-family: -apple-system, 'Inter', sans-serif;
  font-weight: 800;
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

/* Visual placeholder blocks */
.visual-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.visual-block .visual-frame {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px;
  background: var(--bg-alt);
}

.visual-block .visual-frame.square { aspect-ratio: 4 / 3; }

.visual-block .visual-caption {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 0.84rem;
  color: var(--text-light);
}

.visual-block .visual-label {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-light);
}

/* Learnings list */
.learnings-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.learnings-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
}

.learnings-list .num {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
}

/* Next project */
.case-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.case-next .case-next-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 8px;
}

.case-next h2 { margin-bottom: 0; }

/* in-navy tag used in intellimation pages */
.tag.in-navy {
  background: rgba(29, 29, 31, 0.08);
  color: var(--ink);
  border-color: rgba(29, 29, 31, 0.12);
}

/* ---------------- Contact section ---------------- */
.contact-section {
  padding: 56px 0 64px;
  background: var(--white);
}

/* ---------------- Footer ---------------- */
.site-footer {
  background: var(--accent);
  padding: 44px 0 0;
  color: rgba(255,255,255,0.75);
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-brand { display: flex; flex-direction: column; gap: 10px; }

.footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: #fff;
}

.footer-tagline {
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.55);
  margin: 0;
}

.footer-email {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}
.footer-email:hover { color: #fff; }

.footer-heading {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  margin: 0 0 10px;
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.footer-nav a {
  color: rgba(255,255,255,0.68);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 450;
  transition: color 0.2s;
}
.footer-nav a:hover { color: #fff; }

.footer-bottom {
  padding: 14px 0;
  font-size: 0.74rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

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

/* ---------- 1024px — large tablet ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero h1 { font-size: 3.2rem; }
}

/* ---------- 860px — tablet portrait ---------- */
@media (max-width: 860px) {
  .container { padding: 0 20px; }
  section { padding: 72px 0; }
  .section-head { margin-bottom: 36px; }

  /* Nav */
  .nav-links { gap: 18px; }

  /* Hero */
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding-bottom: 40px; }
  .hero-text { padding-top: 56px; }
  .hero h1 { font-size: 2.8rem; }
  .hero .lede { font-size: 1rem; max-width: 100%; }
  .hero-stats { gap: 24px; margin: 32px 0; }
  .hero-photo { display: none; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-photo { order: -1; text-align: center; }
  .about-photo img { width: 240px; height: 300px; margin: 0 auto; }
  .about-copy h2 { font-size: 2.2rem; }
  .about-credentials { grid-template-columns: 1fr; gap: 10px; }

  /* Projects */
  .projects-grid, .projects-grid--three, .projects-grid--two { grid-template-columns: 1fr; }
  .project-card--featured { flex-direction: column; }
  .project-card--featured .project-visual { width: 100%; height: 240px; min-height: unset; }
  .project-card--featured .project-body { padding: 24px; }

  /* Concept cards */
  .projects-grid--concept { grid-template-columns: repeat(2, 1fr); }

  /* Results */
  .results-row { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .metric { border-right: none; padding: 0; }
  .metric + .metric { padding-left: 0; }

  /* Skills */
  .skills-grid { grid-template-columns: repeat(2, 1fr); }

  /* Certs */
  .cert-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }

  /* Misc */
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr 1fr; }
  .experience-item { grid-template-columns: 1fr; gap: 8px; }
  .case-hero h1 { font-size: 2.4rem; }
}

/* ---------- 600px — large phone ---------- */
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  section { padding: 56px 0; }
  .section-head { margin-bottom: 28px; }

  /* Nav — hamburger mode */
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-solid);
    padding: 12px 20px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) {
    font-size: 1rem;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
    color: var(--ink);
  }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-links .btn { margin: 16px 0 0; width: 100%; text-align: center; }

  /* Hero */
  .hero-text { padding-top: 40px; }
  .hero h1 { font-size: 2.2rem; letter-spacing: -0.03em; }
  .hero .lede { font-size: 0.95rem; margin-bottom: 28px; }
  .hero-stats { gap: 18px; margin: 24px 0; flex-wrap: wrap; }
  .hero-stat strong { font-size: 2.2rem; }
  .hero-stat:not(:first-child)::before { display: none; }
  .hero .actions { flex-direction: column; }
  .hero .actions .btn { width: 100%; text-align: center; }

  /* About */
  .about-copy h2 { font-size: 1.9rem; }

  /* Concept cards */
  .projects-grid--concept { grid-template-columns: 1fr 1fr; }

  /* Results */
  .results-row { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .metric-number { font-size: 2.2rem; }

  /* Skills */
  .skills-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-section .actions { flex-direction: column; }
  .contact-section .actions .btn { width: 100%; text-align: center; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }

  /* Misc */
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .grid-5 { grid-template-columns: 1fr 1fr; }
  .case-meta { grid-template-columns: 1fr 1fr; }
  .case-hero h1 { font-size: 2rem; }
}

/* ---------- 480px — standard phone ---------- */
@media (max-width: 480px) {
  section { padding: 44px 0; }

  .hero h1 { font-size: 2rem; }
  .hero-stat strong { font-size: 2rem; }
  .hero-stats { gap: 14px; }

  .about-copy h2 { font-size: 1.7rem; }
  .about-photo img { width: 200px; height: 260px; }

  .projects-grid--concept { grid-template-columns: 1fr; }
  .results-row { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .metric-number { font-size: 2rem; }

  .skill-card { padding: 20px; }
  .cert-card { padding: 16px; }
}