/* ============================================================
   Celestine Ogbu — Portfolio Stylesheet
   ============================================================ */

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

/* ── VARIABLES ─────────────────────────────────────────────── */
:root {
  --cream:   #f7f4ef;
  --ink:     #1a1714;
  --warm:    #c8a96e;
  --muted:   #6e6760; /* darkened from #8a8178: now 4.77:1 on white — passes WCAG AA */
  --card-bg: #ffffff;
  --border:  #e2ddd6;
  --hero-bg: #1a1714;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
}

/* ── NAV ───────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.30rem 3rem;
  background: rgba(26,23,20,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid rgba(200,169,110,0.2);
}

.logo {
  height: 200px;
  width: auto;
}

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

.nav-links a {
  text-decoration: none;
  color: #D19A00; /* 6.8:1 on nav bg — passes WCAG AA */
  font-size: 1.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--warm); }

.menu-toggle {
  display: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--warm);
  background: none;
  border: none;
  padding: 0.2rem 0.5rem;
}

/* ── HERO ──────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: var(--hero-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 60%, rgba(200,169,110,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; max-width: 680px; }

.hero-img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--warm);
  margin-bottom: 1.5rem;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.hero-content h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 700;
  color: #f0ece5;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}

.hero-content h1 span { color: var(--warm); font-style: italic; }

.hero-content p {
  font-size: 1.05rem;
  color: #9b9390;
  min-height: 1.8em;
  margin-bottom: 2.4rem;
  font-weight: 300;
}

/* Base button — on dark hero background; --warm on #1a1714 = 7.95:1 (AAA) */
.btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  border: 1px solid var(--warm);
  color: var(--warm);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  transition: background 0.25s, color 0.25s;
}

.btn:hover { background: var(--warm); color: var(--ink); }

/* Button on light section backgrounds: --warm on --cream = 2.05:1 (FAIL).
   Override to ink-on-cream = 16.3:1 (AAA). */
.section .btn {
  color: var(--ink);
  border-color: var(--ink);
}

.section .btn:hover {
  background: var(--ink);
  color: var(--cream);
}

/* ── SECTIONS ──────────────────────────────────────────────── */
.section     { padding: 6rem 2rem; }
.section-alt { background: #f0ece5; }

.container { max-width: 900px; margin: 0 auto; }

h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  margin-bottom: 2.8rem;
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  display: block;
  width: 2.5rem;
  height: 1px;
  background: var(--warm);
  margin-top: 0.6rem;
}

/* ── ABOUT ─────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-grid p { color: #4a4540; margin-bottom: 1rem; font-weight: 300; }

.skills {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skills li {
  padding: 0.6rem 1rem;
  border-left: 2px solid var(--warm);
  background: white;
  font-size: 0.9rem;
  color: var(--ink);
  font-weight: 400;
}

/* ── PROJECTS ──────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

/* overflow: visible so .case-preview can float above the card boundary.
   border-radius was 99% (oval bug) — corrected to 4px. */
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  overflow: visible;
  border-radius: 4px;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26,23,20,0.1);
}

/* Image wrapper clips the zoom effect independently of the card */
.card-img-link {
  display: block;
  overflow: hidden;
  border-radius: 4px 4px 0 0;
}

.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

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

.project-card-body { padding: 1.2rem 1.4rem 1.6rem; }

.project-card-body h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

/* var(--muted) is now #6e6760 — 4.77:1 on white, passes WCAG AA */
.project-card-body p {
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.6;
}

/* ── CASE STUDY HOVER LINK ─────────────────────────────────── */
/* Wrapper holds both the visible link and the floating preview */
.case-preview-wrap {
  position: relative;
  display: inline-block;
  margin-top: 0.9rem;
}

/* "View case study →" text link */
.case-study-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--warm);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.case-study-link:hover {
  color: var(--warm);
}

/* Floating preview image — appears above the link on hover */
.case-preview {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 0;
  width: 210px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  z-index: 20;
}

.case-preview img {
  width: 100%;
  display: block;
  border-radius: 4px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(26,23,20,0.18);
}

/* Reveal on hover of the wrapper (covers both link and preview) */
.case-preview-wrap:hover .case-preview {
  opacity: 1;
  transform: translateY(0);
}

/* ── CONTACT ───────────────────────────────────────────────── */
.contact-form { max-width: 600px; }

.contact-form > p {
  margin-bottom: 2rem;
  color: #4a4540;
  font-weight: 300;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

input, textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  background: white;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

input:focus, textarea:focus { border-color: var(--warm); }

textarea {
  display: block;
  resize: vertical;
  margin-bottom: 1.2rem;
}

/* ── FOOTER ────────────────────────────────────────────────── */
.footer {
  background: var(--hero-bg);
  padding: 2rem 3rem;
  font-size: 0.82rem;
  color: #ffffff;
  letter-spacing: 0.05em;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.footer a {
  color:#D19A00 ;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  transition: color 0.2s, border-color 0.2s;
}

.footer a:hover {
  color: var(--warm);
  border-color: var(--warm);
}

.footer-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.footer-copy {
  color:#D19A00 ;
  white-space: nowrap;
}



/* HERO */
.hero-case {
  text-align: center;
  padding: 10rem 2rem 4rem;
}

.hero-case h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-tags {
  margin-top: 1rem;
}

.tag {
  display: inline-block;
  background: rgba(148,163,184,0.1);
  padding: 0.3rem 0.8rem;
  margin: 0.3rem;
  border-radius: 999px;
  font-size: 0.8rem;
}

/* PROJECT INFO BAR */
.project-info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

/* LAYOUT */
.content-wrapper {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  max-width: 1100px;
  margin: 4rem auto;
  padding: 0 2rem;
}

/* ACCORDION */
.accordion-item {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion-item.is-open .accordion-body {
  max-height: 500px;
  margin-top: 1rem;
}

/* IMAGE */
.case-image {
  width: 100%;
  margin: 1rem 0;
  border-radius: 0.5rem;
}

/* SIDEBAR */
.sidebar-nav ul {
  list-style: none;
  position: sticky;
  top: 120px;
}

.sidebar-nav a {
  display: block;
  padding: 0.5rem 0;
  color: var(--muted);
  cursor: pointer;
}

.sidebar-nav a.active {
  color: var(--accent);
}

/* FEATURED NAV LINK */
.nav-feature {
  position: relative;
  text-align: center;
  margin-top: 1rem;
}

/* LINK STYLE */
.featured-link {
  display: inline-block;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* IMAGE PREVIEW */
.hover-preview {
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  margin-top: 1rem;
}

.hover-preview img {
  width: 220px;
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

/* SHOW ON HOVER */
.nav-feature:hover .hover-preview {
  opacity: 1;
  transform: translateY(0);
}

.hover-preview img {
  width: 220px;
  border-radius: 0.5rem;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.nav-feature:hover img {
  transform: scale(1);
}

/* FEATURE LINK SECTION */
.nav-feature {
  text-align: center;
  margin-top: 1rem;
  position: relative;
}

/* LINK */
.featured-link {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* HOVER IMAGE */
.hover-preview {
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  margin-top: 1rem;
}

.hover-preview img {
  width: 220px;
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

/* SHOW ON HOVER */
.nav-feature:hover .hover-preview {
  opacity: 1;
  transform: translateY(0);
}

.nav-feature:hover img {
  transform: scale(1);
}
/* RESPONSIVE */
@media (max-width: 800px) {
  .content-wrapper {
    grid-template-columns: 1fr;
  }
  .sidebar-nav {
    display: none;
  }
}







/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 700px) {
  .nav { padding: 1rem 1.4rem; }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(26,23,20,0.97);
    padding: 1rem 0;
  }

  .nav-links.active { display: flex; }

  .nav-links li a {
    display: block;
    padding: 0.75rem 2rem;
  }

  .menu-toggle { display: block; }

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

  /* Prevent preview from overflowing viewport on mobile */
  .case-preview { display: none; }
}