/* ==========================================================================
   MB — UX Designer Portfolio — Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500&display=swap');

:root{
  --ink: #15181b;
  --ink-soft: #3d4247;
  --muted: #6f7580;
  --line: #e4ded2;
  --paper: #faf7f1;
  --paper-alt: #f1ead9;
  --card: #ffffff;
  --accent: #4b4fe0;
  --accent-ink: #ffffff;
  --accent-2: #e2704e;
  --accent-2-soft: #fbe6dc;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(21,24,27,.05), 0 1px 1px rgba(21,24,27,.04);
  --shadow-md: 0 12px 32px rgba(21,24,27,.08);
  --shadow-lg: 0 30px 70px rgba(21,24,27,.14);

  --wrap: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.08;
  font-weight: 600;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
p{ margin: 0 0 1.1em; }
:focus-visible{ outline: 3px solid var(--accent); outline-offset: 3px; }

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

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 500;
  margin-bottom: 16px;
}
.eyebrow::before{ content:""; width: 22px; height: 1px; background: var(--accent-2); }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 15px 28px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--ink); color: var(--paper); }
.btn-primary:hover{ background: var(--accent); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline{ background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-outline:hover{ background: var(--ink); color: var(--paper); }
.btn-light{ background: var(--paper); color: var(--ink); border-color: rgba(21,24,27,.14); }
.btn-light:hover{ background: var(--card); box-shadow: var(--shadow-sm); }
.btn-block{ width: 100%; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,247,241,.86);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-row{ display:flex; align-items:center; justify-content:space-between; height: 88px; gap: 20px; }
.brand{ display:flex; align-items:center; gap: 12px; }
.brand-mark{
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 600; font-size: 17px;
  letter-spacing: .02em;
  flex: none;
}
.brand-text{ font-family: var(--font-display); font-weight: 600; font-size: 16px; color: var(--ink); line-height: 1.2; }
.brand-text span{ display:block; font-family: var(--font-mono); font-weight: 500; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

.main-nav{ display:flex; align-items:center; gap: 36px; }
.main-nav a{
  font-size: 14.5px; font-weight: 600; color: var(--ink-soft);
  padding: 6px 2px; border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.main-nav a:hover, .main-nav a.active{ color: var(--ink); border-color: var(--accent-2); }
.header-cta{ display:flex; align-items:center; gap: 14px; }

.nav-toggle{
  display:none; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--card);
  align-items:center; justify-content:center; cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width: 18px; height: 2px; background: var(--ink);
  position: relative; transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

/* ---------- Hero ---------- */
.hero{ padding: 96px 0 88px; position: relative; overflow: hidden; }
.hero-grid{ display:grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items:center; }
.hero h1{ font-size: clamp(38px, 5vw, 68px); margin-bottom: 26px; }
.hero h1 em{ font-style: italic; color: var(--accent); }
.hero-sub{ font-size: 18px; color: var(--ink-soft); max-width: 48ch; margin-bottom: 34px; }
.hero-actions{ display:flex; gap: 16px; flex-wrap: wrap; }
.hero-tags{ display:flex; gap: 10px; flex-wrap: wrap; margin-top: 38px; }
.hero-tag{
  font-family: var(--font-mono); font-size: 12px; letter-spacing:.03em;
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 15px; color: var(--ink-soft);
}
.hero-visual{ position: relative; }
.hero-visual svg{ width: 100%; height: auto; }

/* ---------- Section scaffolding ---------- */
section{ padding: 100px 0; }

/* ===== Scroll & entrance animations ===== */
@media (prefers-reduced-motion: no-preference){
  .reveal{ opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.16,.8,.3,1), transform .7s cubic-bezier(.16,.8,.3,1); }
  .reveal.is-visible{ opacity: 1; transform: translateY(0); }
  .reveal-stagger.is-visible .reveal-item{ opacity: 1; transform: translateY(0); }
  .reveal-stagger .reveal-item{ opacity: 0; transform: translateY(24px); transition: opacity .6s cubic-bezier(.16,.8,.3,1), transform .6s cubic-bezier(.16,.8,.3,1); }
  .reveal-stagger .reveal-item:nth-child(1){ transition-delay: .05s; }
  .reveal-stagger .reveal-item:nth-child(2){ transition-delay: .15s; }
  .reveal-stagger .reveal-item:nth-child(3){ transition-delay: .25s; }
  .reveal-stagger .reveal-item:nth-child(4){ transition-delay: .35s; }

  .hero h1, .hero-sub, .hero-actions, .hero-tags{
    opacity: 0; transform: translateY(18px);
    animation: heroIn .8s cubic-bezier(.16,.8,.3,1) forwards;
  }
  .hero h1{ animation-delay: .08s; }
  .hero-sub{ animation-delay: .2s; }
  .hero-actions{ animation-delay: .32s; }
  .hero-tags{ animation-delay: .44s; }
  .hero-visual{ opacity: 0; transform: translateY(18px) scale(.97); animation: heroIn .9s cubic-bezier(.16,.8,.3,1) .2s forwards; }

  @keyframes heroIn{ to{ opacity: 1; transform: translateY(0) scale(1); } }

  .project-thumb svg{ transition: transform .6s cubic-bezier(.16,.8,.3,1); }
  .project-card:hover .project-thumb svg{ transform: scale(1.035); }

  .value-card, .project-card{ transition: transform .3s cubic-bezier(.16,.8,.3,1), box-shadow .3s ease; }
  .value-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-md); }

  .btn{ transition: transform .2s ease, box-shadow .2s ease, background-color .15s ease, color .15s ease, border-color .15s ease; }
  .btn:hover{ transform: translateY(-2px); }
  .btn-primary:hover{ box-shadow: var(--shadow-md); }

  .split-media svg, .split-media img{ transition: transform .5s cubic-bezier(.16,.8,.3,1); }
  .split:hover .split-media svg, .split:hover .split-media img{ transform: translateY(-4px); }

  .case-full-media, .case-two-col svg{ transition: transform .5s cubic-bezier(.16,.8,.3,1); }
}
@media (prefers-reduced-motion: reduce){
  .reveal, .reveal-item{ opacity: 1 !important; transform: none !important; }
}
.section-head{ max-width: 640px; margin-bottom: 52px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size: clamp(28px, 3.4vw, 42px); }
.section-head p{ color: var(--ink-soft); font-size: 17px; }
.bg-alt{ background: var(--paper-alt); }
.bg-ink{ background: var(--ink); color: var(--paper); }
.bg-ink h2, .bg-ink h3, .bg-ink .section-head p{ color: var(--paper); }
.bg-ink .eyebrow{ color: var(--accent-2); }

/* ---------- Project cards ---------- */
.project-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.project-card{
  background: var(--card); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  display:flex; flex-direction:column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.project-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-thumb{ aspect-ratio: 4/3; overflow:hidden; background: var(--paper-alt); }
.project-thumb svg{ width:100%; height:100%; display:block; }
.project-body{ padding: 26px 26px 30px; display:flex; flex-direction:column; flex-grow:1; }
.project-tag{ font-family: var(--font-mono); font-size: 11.5px; letter-spacing:.06em; text-transform:uppercase; color: var(--accent); margin-bottom: 10px; }
.project-card h3{ font-size: 22px; margin-bottom: 10px; }
.project-card p{ color: var(--ink-soft); font-size: 14.8px; flex-grow:1; margin-bottom: 20px; }
.project-link{ font-family: var(--font-mono); font-size: 12.5px; letter-spacing:.03em; color: var(--ink); font-weight: 600; display:inline-flex; align-items:center; gap:6px; }
.project-card:hover .project-link{ color: var(--accent); }

/* ---------- Journey / bio split ---------- */
.split{ display:grid; grid-template-columns: .95fr 1.05fr; gap: 64px; align-items:center; }
.split.reverse{ grid-template-columns: 1.05fr .95fr; }
.split.reverse .split-media{ order: -1; }
.split-media svg, .split-media img{ border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.lead{ font-size: 19px; color: var(--ink-soft); }

/* ---------- Values grid ---------- */
.value-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.value-card{
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
}
.value-num{ font-family: var(--font-mono); font-size: 12px; color: var(--accent-2); letter-spacing:.06em; margin-bottom: 14px; display:block; }
.value-card h3{ font-size: 19px; margin-bottom: 10px; }
.value-card p{ font-size: 14.6px; color: var(--ink-soft); margin: 0; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items:start; }
.contact-info h2{ font-size: clamp(30px,3.6vw,44px); }
.contact-email{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-mono); font-size: 15px; color: var(--paper);
  border-bottom: 1px solid rgba(250,247,241,.4); padding-bottom: 6px; margin-top: 10px;
}
.contact-email:hover{ color: var(--accent-2); border-color: var(--accent-2); }
.form-card{ background: var(--card); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-md); }
.field{ margin-bottom: 20px; }
.field label{ display:block; font-size: 13px; font-weight:600; color: var(--ink); margin-bottom: 7px; }
.field input, .field textarea{
  width:100%; padding: 14px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); font-family: var(--font-body); font-size: 14.5px;
  background: var(--paper); color: var(--ink);
}
.field textarea{ resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus{ border-color: var(--accent); }
.form-success{ display:none; background: #e9f7ee; border:1px solid #9fd8b2; color:#1c7a3d; padding:14px 16px; border-radius: var(--radius-sm); font-size:14px; font-weight:600; margin-bottom:18px; }
.form-error{ display:none; background:#fdecea; border:1px solid #f3b4ac; color:#b3261e; padding:14px 16px; border-radius: var(--radius-sm); font-size:14px; font-weight:600; margin-bottom:18px; }
.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; pointer-events:none; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--ink); color: rgba(250,247,241,.68); padding: 50px 0 30px; }
.footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 18px; margin-bottom: 30px; }
.footer-row .brand-text{ color: var(--paper); }
.footer-row .brand-text span{ color: rgba(250,247,241,.55); }
.footer-links{ display:flex; gap: 26px; flex-wrap: wrap; }
.footer-links a{ font-size: 14px; color: rgba(250,247,241,.72); }
.footer-links a:hover{ color: var(--paper); }
.footer-bottom{ border-top: 1px solid rgba(250,247,241,.14); padding-top: 22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap: 10px; font-size: 12.5px; color: rgba(250,247,241,.45); }

/* ---------- Page hero (interior) ---------- */
.page-hero{ padding: 60px 0 70px; border-bottom: 1px solid var(--line); }
@media (prefers-reduced-motion: no-preference){
  .page-hero .breadcrumb, .page-hero .eyebrow, .page-hero h1, .page-hero p{
    opacity: 0; transform: translateY(16px);
    animation: heroIn .7s cubic-bezier(.16,.8,.3,1) forwards;
  }
  .page-hero .eyebrow{ animation-delay: .05s; }
  .page-hero h1{ animation-delay: .12s; }
  .page-hero p{ animation-delay: .22s; }
  .site-header{ transition: box-shadow .25s ease, background-color .25s ease; }
  .site-header.scrolled{ box-shadow: var(--shadow-sm); }
}
.breadcrumb{ font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); margin-bottom: 20px; }
.breadcrumb a{ color: var(--accent); }
.page-hero h1{ font-size: clamp(30px, 3.8vw, 46px); }
.page-hero p{ color: var(--ink-soft); max-width: 62ch; font-size: 17px; }

/* ---------- Case study layout ---------- */
.case-hero-media{ border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); margin: 0 0 0; }
.meta-row{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 40px 0; border-bottom: 1px solid var(--line); margin-bottom: 60px; }
.meta-item h4{ font-family: var(--font-mono); font-size: 11.5px; text-transform:uppercase; letter-spacing:.08em; color: var(--accent-2); margin-bottom: 8px; font-weight: 500; }
.meta-item p{ font-size: 15px; color: var(--ink); margin:0; font-weight: 600; }
.case-block{ max-width: 760px; margin: 0 auto 88px; }
.case-block h2{ font-size: clamp(24px, 2.6vw, 32px); }
.case-block p{ font-size: 17px; color: var(--ink-soft); }
.case-full-media{ margin: 0 auto 88px; }
.case-full-media svg{ width:100%; height:auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.case-two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 980px; margin: 0 auto 88px; }
.case-two-col svg{ width:100%; height:auto; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.wireframe-placeholder{
  max-width: 980px; margin: 0 auto 88px; border-radius: var(--radius-lg);
  border: 2px dashed var(--line); background: var(--paper-soft, #f6f1e6);
  padding: 48px 32px; text-align: center;
}
.wireframe-placeholder img{ width:100%; height:auto; border-radius: var(--radius-md); display:block; margin: 0 auto 18px; box-shadow: var(--shadow-sm); }
.wireframe-placeholder .wf-icon{ width: 40px; height: 40px; margin: 0 auto 16px; color: var(--ink-soft); }
.wireframe-placeholder h4{ font-size: 16px; margin-bottom: 8px; }
.wireframe-placeholder p{ font-size: 14.5px; color: var(--ink-soft); max-width: 46ch; margin: 0 auto; }
.case-list{ max-width: 760px; margin: 0 auto 88px; }
.case-list li{ display:flex; gap: 14px; align-items:flex-start; margin-bottom: 16px; font-size: 16px; color: var(--ink-soft); }
.case-list svg{ flex:none; width: 22px; height: 22px; stroke: var(--accent); margin-top: 3px; }
.next-project{
  background: var(--ink); color: var(--paper); border-radius: var(--radius-lg);
  padding: 56px; text-align:center;
}
.next-project .eyebrow{ justify-content:center; }
.next-project h2{ color: var(--paper); }

/* ---------- Utilities ---------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ order:-1; max-width: 360px; margin: 0 auto; }
  .project-grid{ grid-template-columns: repeat(2,1fr); }
  .split, .split.reverse{ grid-template-columns: 1fr; }
  .split.reverse .split-media{ order:0; }
  .value-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .meta-row{ grid-template-columns: repeat(2,1fr); }
  .case-two-col{ grid-template-columns: 1fr; }
}
@media (max-width: 760px){
  .main-nav{
    position: fixed; inset: 88px 0 0 0; background: var(--paper);
    flex-direction: column; align-items:flex-start; gap:0;
    padding: 12px 28px; transform: translateX(100%); transition: transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{ width:100%; padding: 16px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle{ display:flex; }
  .project-grid{ grid-template-columns: 1fr; }
  .footer-row{ flex-direction:column; align-items:flex-start; }
  .next-project{ padding: 38px 26px; }
}