/* --- Variables: cinematic car photography --- */
:root {
  --bg-dark: #08080a;
  --bg-card: #0f0f11;
  --bg-elevated: #161618;
  --accent: #c9a227;
  --accent-dim: rgba(201, 162, 39, 0.15);
  --accent-glow: rgba(201, 162, 39, 0.25);
  --text: #e6e4e0;
  --text-muted: #7a7672;
  --border: #1e1d1b;
  --track: #141414;
  --track-line: #252422;
  --white: #faf9f6;
  --font-display: "Orbitron", sans-serif;
  --font-body: "Rajdhani", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: 120px;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 1.5rem;
  background: rgba(8, 8, 10, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.15em;
}

.nav-logo:hover {
  color: var(--accent);
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.05rem;
  transition: color 0.2s ease;
}

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

.nav-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 50% 30%, var(--accent-dim) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 80% 70%, rgba(30, 29, 27, 0.6) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 8vw, 4rem);
  letter-spacing: 0.2em;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  color: var(--accent);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 30px var(--accent-glow);
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.hero-accent {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-line {
  width: 40px;
  height: 2px;
  background: var(--border);
}

.hero-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* --- Sections --- */
.section {
  padding: 4rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--white);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.section-text {
  color: var(--text-muted);
  max-width: 60ch;
}

.section-text-wide {
  max-width: none;
}

.section-lead {
  color: var(--text);
  font-size: 1.1rem;
  max-width: 55ch;
  margin-bottom: 1rem;
}

.about-list {
  list-style: none;
  color: var(--text-muted);
  max-width: 55ch;
}

.about-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
}

.about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.section-about,
.section-projects,
.section-contact {
  background: var(--bg-dark);
  padding-bottom: 5rem;
}

.section-about .section-lead {
  max-width: none;
}

.section-skills {
  background: var(--bg-card);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

.skills-group-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.skills-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.skills-list li {
  padding: 0.5rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-weight: 500;
}

.skills-list li:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px var(--accent-dim);
}

.container {
  width: 100%;
}

/* --- Project cards --- */
.project-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.project-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-dim);
}

.project-card-placeholder {
  opacity: 0.85;
}

.project-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--white);
  margin: 0;
}

.project-card-role {
  font-size: 0.85rem;
  color: var(--accent);
  margin: 0.25rem 0 0.5rem 0;
}

.project-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

.project-card-desc-hidden {
  display: none;
}

.project-card-cta {
  font-weight: 600;
  color: var(--accent);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

button.project-card {
  width: 100%;
  text-align: left;
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-card-tech {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

.project-card-tech li {
  padding: 0.25rem 0.6rem;
  background: var(--track);
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.project-card-link {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  margin-top: 0.25rem;
  transition: color 0.2s ease;
}

.project-card-link:hover {
  color: var(--white);
}

.project-card-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.project-card-link-muted {
  color: var(--text-muted);
  cursor: default;
}

.project-card-link-muted:hover {
  color: var(--text-muted);
}

/* --- Project modal --- */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.project-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.project-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  cursor: pointer;
}

.project-modal-box {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem 2rem 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.project-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.project-modal-close:hover {
  background: var(--border);
  color: var(--accent);
}

.project-modal-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--white);
  margin: 0 2.5rem 0.25rem 0;
  padding-right: 2rem;
}

.project-modal-role {
  font-size: 0.9rem;
  color: var(--accent);
  margin: 0 0 1rem 0;
}

.project-modal-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 1rem 0;
}

.project-modal-tech {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.project-modal-tech li {
  padding: 0.25rem 0.6rem;
  background: var(--track);
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Contact --- */
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.contact-link {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px var(--accent-dim);
}

.contact-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Cars at bottom of browser (no track) --- */
.racetrack-wrap {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  margin: 0;
  padding: 0;
  height: 112px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.racetrack-wrap.at-bottom {
  opacity: 1;
  pointer-events: auto;
}

.racetrack {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.racetrack-bg {
  position: absolute;
  top: 0;
  bottom: 0;
  background-repeat: no-repeat;
  background-position: center bottom;
}

.racetrack-bg-left {
  left: 0;
  width: 50%;
  background-image: url("images/racetrack2.png");
  background-size: 100% 100%;
}

.racetrack-bg-right {
  left: 50%;
  width: 50%;
  background-image: url("images/racetrack.png");
  background-size: 100% 100%;
}

/* --- Racing cars (position set by JS, right-to-left) --- */
.car-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 320px;
  height: 128px;
  z-index: 1;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
  transition: z-index 0s;
}

.car-container.car-bmw {
  bottom: -10px;
}

.car-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .nav-links {
    gap: 1rem;
  }

  .hero-title {
    letter-spacing: 0.1em;
  }

  .hero-tagline {
    letter-spacing: 0.2em;
  }

  .car-container {
    width: 200px;
    height: 80px;
  }

.car-container.car-bmw {
  bottom: -20px;
  z-index: 2;
  transform: scale(1.08);
  transform-origin: bottom left;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.6));
}
}