/* airiderjp.com — portfolio: dark editorial, warm accent */

:root {
  --bg: #0f1110;
  --bg-elevated: #181b19;
  --text: #e8eae7;
  --text-muted: #9aa29a;
  --accent: #e8a54b;
  --accent-dim: rgba(232, 165, 75, 0.14);
  --border: rgba(255, 255, 255, 0.08);
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --radius: 14px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image: radial-gradient(ellipse 120% 80% at 50% -30%, rgba(232, 165, 75, 0.09), transparent 55%),
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(120, 160, 140, 0.06), transparent 50%);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #1a1208;
  font-weight: 600;
  border-radius: 6px;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
  outline: 2px solid var(--text);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #f0be6e;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 17, 16, 0.82);
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

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

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

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

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

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.hero {
  padding: clamp(3rem, 12vw, 6rem) 0 4rem;
  border-bottom: 1px solid var(--border);
}

.hero-kicker {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
  max-width: 18ch;
}

.hero-title-accent {
  color: var(--accent);
}

.hero-lede {
  max-width: 52ch;
  color: var(--text-muted);
  margin: 0 0 2rem;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #1a1208;
}

.btn-primary:hover {
  background: #f0be6e;
  color: #1a1208;
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.section {
  padding: 4rem 0;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-head h2,
#contact-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.section-sub {
  margin: 0;
  color: var(--text-muted);
  max-width: 48ch;
}

.project-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

.project-card:hover {
  border-color: rgba(232, 165, 75, 0.35);
  transform: translateY(-2px);
}

.project-meta {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.project-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0;
  letter-spacing: -0.02em;
}

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

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

.project-tags li {
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: var(--accent-dim);
  color: #d4c4a8;
}

.project-link {
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  margin-top: 0.25rem;
}

.project-link:hover {
  text-decoration: underline;
}

.section-about {
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 800px) {
  .about-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

.about-text {
  color: var(--text-muted);
  margin: 0 0 1rem;
  max-width: 55ch;
}

.about-aside {
  background: var(--accent-dim);
  border: 1px solid rgba(232, 165, 75, 0.25);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.about-aside-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 1rem;
}

.skill-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.skill-list li {
  margin-bottom: 0.5rem;
}

.section-contact {
  border-top: 1px solid var(--border);
  padding-bottom: 2rem;
}

.contact-text {
  color: var(--text-muted);
  max-width: 48ch;
  margin: 0 0 1rem;
}

.contact-mail {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}

.contact-mail:hover {
  text-decoration: underline;
}

.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer p {
  margin: 0;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

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