/* =====================================================
   FONTS
   ===================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

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

:root {
  --navy: #0F172A;
  --navy-80: rgba(15,23,42,0.8);
  --navy-60: rgba(15,23,42,0.6);
  --navy-20: rgba(15,23,42,0.2);
  --navy-10: rgba(15,23,42,0.08);
  --muted: #64748B;
  --border: rgba(15,23,42,0.12);
  --bg: #FFFFFF;
  --surface: #F8FAFC;

  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-pill: 9999px;

  --nav-h: 80px;
  --max-w: 1280px;
  --max-w-text: 720px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--navy);
  line-height: 1.6;
}

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

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

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--navy);
  transition: opacity 0.2s;
}

.navbar__name:hover {
  opacity: 0.6;
}

.navbar__resume {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy);
  transition: opacity 0.2s;
}

.navbar__resume:hover {
  opacity: 0.6;
}

/* =====================================================
   SHARED PAGE WRAPPER
   ===================================================== */
.page {
  padding-top: calc(var(--nav-h) + 32px);
  padding-bottom: 120px;
}

/* =====================================================
   DESIGN PROCESS SECTION (index.html)
   ===================================================== */
.process-section {
  max-width: var(--max-w);
  margin: 48px auto 0;
  padding: 0 24px;
}

.process-section__inner {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 56px 64px;
  border: 1px solid var(--border);
}

.process-section__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 40px;
}

.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.process-step__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.process-step__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.process-step__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
}

.process-step__desc {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}

.process-connector {
  display: flex;
  align-items: flex-start;
  padding-top: 14px;
  flex-shrink: 0;
  margin: 0 12px;
}

/* =====================================================
   HERO SECTION (index.html)
   ===================================================== */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.work-page-intro {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.work-page-intro__inner {
  background: linear-gradient(135deg, #EAE5F9 0%, #FCE7F3 50%, #FEF3C7 100%);
  border-radius: var(--radius-lg);
  padding: 56px 64px 64px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.work-page-header__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--navy);
  margin: 0;
}

.card-gradient {
  background: linear-gradient(135deg, #EAE5F9 0%, #FCE7F3 50%, #FEF3C7 100%);
  border-radius: var(--radius-lg);
  padding: 48px 64px;
  margin-left: -32px;
  margin-right: -32px;
}

.hero__card {
  background: linear-gradient(135deg, #EAE5F9 0%, #FCE7F3 50%, #FEF3C7 100%);
  border-radius: var(--radius-lg);
  padding: 80px 64px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.3);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy-80);
  margin-bottom: 32px;
  backdrop-filter: blur(6px);
}

.hero__badge-icon {
  font-size: 1rem;
  line-height: 1;
}

.hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--navy);
  max-width: 860px;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
  padding: 0 32px;
  height: 52px;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: scale(1.035);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 4px 14px rgba(15,23,42,0.18);
}

.btn--primary:hover {
  box-shadow: 0 6px 20px rgba(15,23,42,0.28);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy-20);
}

.btn--outline:hover {
  background: var(--navy-10);
}

/* =====================================================
   CASE STUDY CARDS (index.html)
   ===================================================== */
.work-section {
  max-width: var(--max-w);
  margin: 112px auto 0;
  padding: 0 32px;
  display: flex;
  flex-direction: column;
  gap: 112px;
}

.case-card {
  display: block;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.case-card__meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.case-card__category {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--navy);
  transition: color 0.2s;
  max-width: 720px;
}

.case-card:hover .case-card__title {
  color: var(--navy-80);
}

.case-card__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--surface);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: box-shadow 0.4s ease, transform 0.4s ease;
}

.case-card:hover .case-card__image-wrap {
  box-shadow: 0 16px 48px rgba(0,0,0,0.14);
  transform: translateY(-6px);
}

.case-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-card:hover .case-card__image-wrap img {
  transform: scale(1.04);
}

.case-card__image-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.04);
  opacity: 0;
  transition: opacity 0.4s;
}

.case-card:hover .case-card__image-overlay {
  opacity: 1;
}

/* =====================================================
   CASE STUDY PAGE (work.html)
   ===================================================== */
.case-study {
  max-width: var(--max-w-text);
  margin: 0 auto;
  padding: 0 24px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 48px;
  transition: color 0.2s;
  text-decoration: none;
}

.back-link:hover {
  color: var(--navy);
}

.back-link svg {
  width: 16px;
  height: 16px;
}

.cs-category {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 24px;
}

.cs-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin-bottom: 48px;
}

.cs-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 64px;
}

.cs-meta__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}

.cs-meta__value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
}

.cs-hero {
  max-width: var(--max-w);
  margin: 0 auto 80px;
  padding: 0 24px;
}

.cs-hero__image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #F1F5F9;
  box-shadow: 0 8px 40px rgba(0,0,0,0.12);
}

.cs-hero__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-content {
  max-width: var(--max-w-text);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.cs-section__heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 20px;
}

.cs-section__body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--navy-80);
}

.cs-inline-image {
  margin: 16px 0;
}

.cs-inline-image__wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
}

.cs-inline-image__wrap img {
  width: 100%;
  height: auto;
}

.cs-inline-image__caption {
  font-size: 0.8125rem;
  color: var(--muted);
  text-align: center;
  margin-top: 14px;
  font-style: italic;
}

.cs-next {
  max-width: var(--max-w-text);
  margin: 80px auto 0;
  padding: 64px 24px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.cs-next__heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 32px;
}

/* =====================================================
   ABOUT PAGE (about.html)
   ===================================================== */
.about {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--surface);
  box-shadow: 0 8px 40px rgba(0,0,0,0.1);
}

.about__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__content {
  padding: 32px 0;
}

.about__headline {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 2.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.about__bio {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 48px;
}

.about__bio p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--navy-80);
}

.about__section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 20px;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.skill-tag {
  display: inline-block;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy);
  transition: border-color 0.2s, background 0.2s;
}

.skill-tag:hover {
  background: var(--navy-10);
  border-color: var(--navy-20);
}

.experience-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 64px;
}

.experience-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

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

.experience-item__left { }

.experience-item__role {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 2px;
}

.experience-item__company {
  font-size: 0.9375rem;
  color: var(--muted);
}

.experience-item__period {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
  font-family: 'Courier New', monospace;
  white-space: nowrap;
}

.about__cta {
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

/* =====================================================
   SCROLL ANIMATIONS
   ===================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }

.fade-in {
  opacity: 0;
  transition: opacity 0.9s ease;
}

.fade-in.is-visible {
  opacity: 1;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
  :root {
    --nav-h: 64px;
  }

  .navbar__inner {
    padding: 0 20px;
  }

  .process-section__inner {
    padding: 40px 24px;
  }

  .process-steps {
    flex-direction: column;
    gap: 32px;
  }

  .process-connector {
    display: none;
  }

  .process-step {
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
  }

  .hero__card {
    padding: 48px 28px;
    border-radius: 24px;
  }

  .hero { padding: 0 16px; }

  .work-section {
    padding: 0 20px;
    gap: 80px;
    margin-top: 80px;
  }

  .case-card__image-wrap {
    border-radius: 20px;
  }

  .cs-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .cs-hero, .cs-content, .case-study {
    padding: 0 20px;
  }

  .about { padding: 0 20px; }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__image-wrap {
    aspect-ratio: 3 / 4;
    max-height: 480px;
  }
}

@media (max-width: 480px) {
  .hero__card {
    padding: 40px 20px;
  }

  .cs-meta {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}