/* =========================================================
   Portfolio — Modern Minimalist
   ========================================================= */

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

:root {
  --bg: #ffffff;
  --bg-alt: #fafafa;
  --text: #111111;
  --text-muted: #6b7280;
  --text-soft: #4b5563;
  --border: #e5e7eb;
  --border-strong: #111111;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --max-width: 1100px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ---------- Typography ---------- */
.mono {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  font-feature-settings: "tnum";
}

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; font-weight: 600; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { padding: clamp(4rem, 10vh, 7rem) 0; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.nav__logo span { color: var(--accent); }

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav__link {
  font-size: 0.9rem;
  color: var(--text-soft);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after,
.nav__link.is-active::after { width: 100%; }

.nav__toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav__toggle span {
  display: block;
  height: 1.5px;
  width: 22px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 18vh, 11rem) 0 clamp(5rem, 14vh, 9rem);
  background-image: url('../images/hero-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #ffffff;
  border-bottom: 1px solid #000;
}
/* Dark gradient overlay — heavier on the left where the text sits,
   lighter on the right so the car still reads as the focal point. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.78) 0%,
    rgba(0, 0, 0, 0.55) 45%,
    rgba(0, 0, 0, 0.25) 100%
  );
  z-index: 0;
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }

.hero__eyebrow {
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.75);
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
  color: #ffffff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.4);
}

.hero__title .accent { color: var(--accent); }

.hero__lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 36em;
  margin-bottom: 2.5rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4);
}

.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Button overrides inside the dark hero */
.hero .btn--primary { background: #ffffff; color: var(--text); }
.hero .btn--primary:hover { background: var(--accent); color: #ffffff; }
.hero .btn--ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
  background: transparent;
}
.hero .btn--ghost:hover {
  background: #ffffff;
  color: var(--text);
  border-color: #ffffff;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  border: 1px solid transparent;
}
.btn--primary { background: var(--text); color: var(--bg); }
.btn--primary:hover { background: var(--accent); transform: translateY(-1px); }
.btn--ghost { border-color: var(--border-strong); color: var(--text); }
.btn--ghost:hover { background: var(--text); color: var(--bg); transform: translateY(-1px); }
.btn__arrow { transition: transform var(--transition); }
.btn:hover .btn__arrow { transform: translate(2px, -2px); }

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about__heading {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}
.about__body p { color: var(--text-soft); margin-bottom: 1rem; font-size: 1.05rem; }

/* ---------- Section cards (home) ---------- */
.sections {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}
.sections__heading {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 0.5rem;
}
.sections__sub { color: var(--text-muted); margin-bottom: 3rem; }

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.section-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2.5rem 2rem;
  background: var(--bg);
  position: relative;
  transition: background var(--transition);
  min-height: 240px;
}
.section-card:hover { background: var(--bg-alt); }
.section-card__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.section-card__title {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.section-card__desc { color: var(--text-soft); flex: 1; font-size: 0.95rem; }
.section-card__arrow {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 500;
}
.section-card__arrow svg { transition: transform var(--transition); }
.section-card:hover .section-card__arrow svg { transform: translate(3px, -3px); }

/* ---------- Under-construction badge on home section cards ---------- */
.section-card--soon { cursor: pointer; }
.section-card--soon .section-card__title,
.section-card--soon .section-card__desc { color: var(--text-muted); }
.section-card--soon:hover .section-card__title { color: var(--text); }

.section-card__badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--bg);
}

/* ---------- Coming-soon block on sub-pages ---------- */
.coming-soon {
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) 1.5rem;
  border: 1px dashed var(--border-strong);
  background: var(--bg-alt);
  max-width: 640px;
  margin: 0 auto;
}
.coming-soon__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.coming-soon__heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.coming-soon__text {
  color: var(--text-soft);
  max-width: 32em;
  margin: 0 auto 1.5rem;
}
.coming-soon__back {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 1px;
  transition: color var(--transition), border-color var(--transition);
}
.coming-soon__back:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Contact ---------- */
.contact { border-top: 1px solid var(--border); }
.contact__heading {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 0.5rem;
}
.contact__lead { color: var(--text-soft); max-width: 36em; margin-bottom: 2rem; }
.contact__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.contact__item {
  display: block;
  padding: 2.25rem 1.75rem;
  background: var(--bg);
  transition: background var(--transition);
}
.contact__item:hover { background: var(--bg-alt); }
.contact__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.contact__value { font-size: 1rem; word-break: break-word; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- Sub-page header ---------- */
.page-header {
  padding: clamp(3rem, 8vh, 5rem) 0 clamp(2rem, 5vh, 3rem);
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.breadcrumb a:hover { color: var(--text); }
.breadcrumb__sep { padding: 0 0.5rem; }
.page-header__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.page-header__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.page-header__desc {
  color: var(--text-soft);
  font-size: 1.1rem;
  max-width: 50em;
}

/* ---------- Project grid ---------- */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}
.project {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.project:hover { border-color: var(--text); transform: translateY(-2px); }

.project__thumb {
  aspect-ratio: 16 / 10;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}
.project__thumb img { width: 100%; height: 100%; object-fit: cover; }
.project__thumb-placeholder {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  padding: 1rem;
}

.project__body { padding: 1.25rem 1.25rem 1.5rem; }
.project__tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.project__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.project__desc {
  color: var(--text-soft);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}
.project__links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
}
.project__link {
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: border-color var(--transition), color var(--transition);
}
.project__link:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--transition);
    padding: 0.5rem 0;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__link {
    display: block;
    padding: 0.85rem var(--gutter);
    width: 100%;
    border-top: 1px solid var(--border);
  }
  .nav__link::after { display: none; }
  .about__grid { grid-template-columns: 1fr; }
  .section-grid { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}