/* =========================================================
   Portfolio / Case Study Styles
   Cleaned + deduplicated from pasted CSS
   ========================================================= */

/* =========================
   Design Tokens
   ========================= */
:root {
  --bg: #f5f6f7;
  --surface: #ffffff;
  --surface-2: #f2f1ef;
  --border: #e4e2de;
  --border-lt: #eeede9;
  --text: #171717;
  --text-2: #66615b;
  --muted: #66615b;
  --tag-bg: #e8e8e8;
  --tag-text: #171717;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w: 1140px;
  --px: clamp(20px, 5vw, 72px);
  --pad: clamp(20px, 5vw, 72px);

  --r-md: 10px;
  --r-lg: 14px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
}

/* =========================
   Reset / Base
   ========================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-top: 56px;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

/* =========================
   Top Navigation
   ========================= */
.portfolio-top-nav {
  position: fixed !important;
  inset: 0 0 auto 0 !important;
  z-index: 9999 !important;
  height: 56px !important;
  background: rgba(248, 247, 245, 0) !important;
  backdrop-filter: blur(20px) saturate(1.5) !important;
  -webkit-backdrop-filter: blur(20px) saturate(1.5) !important;
  display: block !important;
}

.portfolio-top-nav-inner {
  max-width: var(--max-w) !important;
  height: 56px !important;
  margin: 0 auto !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
}

.portfolio-nav-logo {
  font-family: var(--font) !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  letter-spacing: -0.01em !important;
  color: var(--text) !important;
  text-decoration: none !important;
}

.portfolio-nav-links {
  display: flex !important;
  align-items: center !important;
  gap: 32px !important;
}

.portfolio-nav-links a {
  font-family: var(--font) !important;
  font-size: 13px !important;
  color: var(--muted) !important;
  text-decoration: none !important;
  transition: color 0.15s ease !important;
}

.portfolio-nav-links a:hover {
  color: #1a1916 !important;
}

.portfolio-nav-avail {
  display: flex !important;
  align-items: center !important;
  gap: 7px !important;
  font-family: var(--font) !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  color: #22a55a !important;
  white-space: nowrap !important;
}

.portfolio-avail-dot {
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: #22a55a !important;
  box-shadow: 0 0 0 3px rgba(34, 165, 90, 0.18) !important;
  display: inline-block !important;
}

/* =========================
   Hero
   ========================= */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(40px + 64px) 0 0;
}

.hero-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}

.hero-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--muted);
}

.hero-title {
  margin-bottom: 20px;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text);
}

.hero-title .dim {
  color: var(--muted);
  font-weight: 200;
}

.hero-body {
  max-width: var(--max-w);
  margin-bottom: 36px;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.8;
  color: var(--text-2);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* =========================
   Buttons
   ========================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 99px;
  background: var(--text);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 500;
  transition: opacity 0.15s, transform 0.15s;
}

.btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn-secondary {
  padding: 11px 0;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
  transition: color 0.15s;
}

.btn-secondary:hover {
  color: var(--text);
}

/* =========================
   Stats
   ========================= */
.stats {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px) 80px;
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat {
  flex: 1;
  padding: 20px 24px 20px 0;
  border-right: 1px solid var(--border);
}

.stat:first-child {
  padding-left: 0;
}

.stat:last-child {
  padding-right: 0;
  padding-left: 24px;
  border-right: 0;
}

.stat-num {
  margin-bottom: 4px;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
}

/* =========================
   Section Header
   ========================= */
.section-head {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.section-head-label,
.about-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-head-count {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
}

/* =========================
   Projects
   ========================= */
.projects {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 0 80px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.proj-card {
  display: block;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: box-shadow 0.25s, transform 0.25s;
}

.proj-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.proj-thumb {
  width: 100%;
  overflow: hidden;
  background: var(--surface-2);
  position: relative;
}

.proj-thumb img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s cubic-bezier(.25, .46, .45, .94);
}

.proj-card:hover .proj-thumb img {
  transform: scale(1.03);
}

.proj-thumb-placeholder {
  width: 100%;
  aspect-ratio: 16 / 8;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
}

.proj-thumb-placeholder span {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.proj-card-body {
  padding: 24px 28px 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag {
  padding: 3px 9px;
  border: 1px solid var(--border-lt);
  border-radius: 99px;
  background: var(--tag-bg);
  color: var(--tag-text);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.proj-title {
  margin-bottom: 8px;
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
}

.proj-desc {
  max-width: 100%;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-2);
}

.proj-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  padding-top: 2px;
  flex-shrink: 0;
}

.proj-arrow {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.proj-card:hover .proj-arrow {
  background: var(--text);
  color: #ffffff;
  border-color: var(--text);
  transform: translate(2px, -2px);
}

.badge-cs,
.badge-nda,
.badge-soon {
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-cs {
  background: var(--text);
  color: #ffffff;
}

.badge-nda {
  background: var(--tag-bg);
  color: var(--tag-text);
  border: 1px solid var(--border-lt);
}

.badge-soon {
  background: #eff6ff;
  color: #3b82f6;
  border: 1px solid #bfdbfe;
}

.proj-footer {
  padding: 10px 28px;
  border-top: 1px solid var(--border-lt);
  background: var(--surface-2);
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.proj-meta {
  display: flex;
  gap: 4px;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--muted);
}

.proj-meta::before {
  content: '·';
  color: var(--border);
}

.proj-meta:first-child::before {
  display: none;
}

/* =========================
   About
   ========================= */
.about {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 0 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.about-label {
  margin-bottom: 16px;
}

.about-title {
  margin-bottom: 16px;
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text);
}

.about-body {
  margin-bottom: 14px;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.82;
  color: var(--text-2);
}

.about-right {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}

.skill-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border-lt);
  font-size: 0.875rem;
}

.skill-row:last-of-type {
  border-bottom: 0;
}

.skill-name {
  font-weight: 400;
  color: var(--text);
}

.skill-yrs {
  padding: 2px 8px;
  border: 1px solid var(--border-lt);
  border-radius: 99px;
  background: var(--tag-bg);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--muted);
}

.currently {
  padding: 14px 20px;
  background-color: #ebedf0;
  border-top: 1px solid var(--border);
}

.currently-label {
  margin-bottom: 5px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.currently-value {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-2);
}

/* =========================
   Contact
   ========================= */
.contact-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 0 80px;
}

.contact-inner {
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  background: var(--text);
  border-radius: var(--r-lg);
}

.contact-label {
  margin-bottom: 14px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

.contact-title {
  margin-bottom: 14px;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: #ffffff;
}

.contact-body {
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-md);
  transition: background 0.2s, transform 0.2s;
}

.contact-link:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.contact-link-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-link-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

.contact-link-value {
  font-size: 0.875rem;
  font-weight: 400;
  color: #ffffff;
}

.contact-link-arrow {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

/* =========================
   Case Study Back Button
   ========================= */
.case-back-wrap {
  max-width: var(--max-w) !important;
  margin: 0 auto !important;
  padding: 34px var(--pad) 0 !important;
  display: block !important;
}

.case-back-btn {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  padding: 10px 14px !important;
  border: 1px solid var(--line) !important;
  border-radius: 999px !important;
  background: #ffffff !important;
  color: var(--text) !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06) !important;
}

.case-back-btn:hover {
  transform: translateY(-1px) !important;
}

/* =========================
   Reveal Animation
   ========================= */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 768px) {
  .portfolio-top-nav-inner {
    padding: 0 24px !important;
  }

  .stats {
    flex-wrap: wrap;
  }

  .stat {
    flex: 1 0 40%;
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .proj-card-body {
    grid-template-columns: 1fr;
  }

  .proj-right {
    flex-direction: row;
    align-items: center;
  }

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

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 36px;
  }

  .case-back-wrap,
  .next-case-study {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
}

@media (max-width: 700px) {
  .portfolio-nav-links {
    gap: 18px !important;
  }

  .portfolio-nav-links a {
    font-size: 12px !important;
  }

  .portfolio-nav-avail {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .portfolio-top-nav-inner {
    padding: 0 16px !important;
  }

  .hero {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 50px 16px 0;
  }

  .hero-title {
    font-size: 1.875rem;
  }

  .section-head {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 1600px) {
  :root {
    --max-w: 1140px;
  }
}

@media (min-width: 2000px) {
  :root {
    --max-w: 1140px;
  }

  body {
    font-size: 17px;
  }
}


/* ===== Mobile & Tablet Spacing Fix ===== */
@media (max-width: 1024px){
  .hero,
  .section-head,
  .projects,
  .about,
  .contact-wrap,
  .stats,
  .case-back-wrap,
  .next-case-study,
  .portfolio-top-nav-inner{
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
}

@media (max-width: 480px){
  .hero,
  .section-head,
  .projects,
  .about,
  .contact-wrap,
  .stats,
  .case-back-wrap,
  .next-case-study,
  .portfolio-top-nav-inner{
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
}