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

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-100: #f4f4f4;
  --gray-300: #d9d9d9;
  --gray-600: #6b6b6b;
  --gray-800: #1a1a1a;
  --max-w: 1180px;
  --pattern-url: url("../assets/pattern.svg");
}

html { scroll-behavior: smooth; }

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: "Arial Black", "Helvetica Neue", Arial, sans-serif;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 12px;
}
.eyebrow.center { text-align: center; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

.section-sub {
  color: var(--gray-600);
  max-width: 520px;
  margin-top: 8px;
  margin-bottom: 40px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 14px;
  text-decoration: none;
  border-radius: 2px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-solid {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.btn-solid:hover { background: var(--white); color: var(--black); }

.btn-outline {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn-outline:hover { background: var(--black); color: var(--white); }

.btn-outline-invert {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
  white-space: nowrap;
}
.btn-outline-invert:hover { background: var(--white); color: var(--black); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 1px solid #2a2a2a;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.logo-bird { width: 28px; height: auto; }

.main-nav {
  display: flex;
  gap: 32px;
}
.main-nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.85;
}
.main-nav a:hover { opacity: 1; text-decoration: underline; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  display: block;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  padding: 96px 0 120px;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: var(--pattern-url);
  background-size: 240px;
  opacity: 0.08;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero .eyebrow { color: var(--gray-300); }

.hero-title {
  font-size: clamp(48px, 9vw, 96px);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--gray-300);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero .btn-outline { color: var(--white); border-color: var(--white); }
.hero .btn-outline:hover { background: var(--white); color: var(--black); }

.hero-bird {
  position: absolute;
  right: -40px;
  bottom: -20px;
  width: 320px;
  max-width: 40vw;
  z-index: 1;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
}

/* ---------- Marquee ---------- */
.marquee {
  background: var(--white);
  border-top: 1px solid var(--gray-300);
  border-bottom: 4px solid var(--black);
  overflow: hidden;
  white-space: nowrap;
  padding: 14px 0;
}
.marquee-track {
  display: inline-block;
  animation: scroll-left 26s linear infinite;
}
.marquee-track span {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 15px;
}
@keyframes scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------- Mission ---------- */
.mission { padding: 100px 0; background: var(--white); }

.mission-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 64px;
  align-items: center;
}

.mission-text h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 24px;
}
.mission-text p { margin-bottom: 16px; color: #333; max-width: 560px; }
.mission-text p:last-child { margin-bottom: 0; }

.mission-art {
  display: flex;
  justify-content: center;
}
.mission-bird {
  width: 100%;
  max-width: 260px;
  opacity: 0.92;
}

/* ---------- Shop ---------- */
.shop { padding: 100px 0; background: var(--gray-100); }

.shop h2 { font-size: clamp(32px, 5vw, 48px); margin-top: 4px; }

.shop-group-title {
  font-size: 18px;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--black);
  padding-bottom: 10px;
  margin: 56px 0 28px;
}
.shop-group-title:first-of-type { margin-top: 24px; }

.group-note {
  color: var(--gray-600);
  max-width: 640px;
  font-size: 14px;
  margin: -14px 0 28px;
}

.product-spec {
  font-size: 13px;
  color: var(--gray-600);
  letter-spacing: 0.01em;
}

.price-was {
  text-decoration: line-through;
  color: var(--gray-300);
  font-weight: 400;
  margin-left: 6px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  display: flex;
  flex-direction: column;
}

.product-image {
  position: relative;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
}

.badge-soon {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: var(--white);
  color: var(--black);
  border: 2px solid var(--black);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 9px;
}

.product-card.is-soon .product-image img { opacity: 0.55; }

.btn.coming-soon,
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn.coming-soon:hover,
.btn:disabled:hover {
  transform: none;
  background: transparent;
  color: var(--black);
}
.product-image.dark { background: var(--black); }
.product-image.black-tee { background: var(--gray-800); }
.product-image.white-tee { background: var(--gray-100); border-bottom: 1px solid var(--gray-300); }
.product-image img { width: 100%; height: 100%; object-fit: contain; }

.product-info {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.product-info h4 {
  font-size: 15px;
  letter-spacing: 0.01em;
}
.product-info .price {
  font-weight: 700;
  color: var(--gray-600);
}
.product-info .btn { margin-top: auto; align-self: flex-start; }

/* ---------- FAQ ---------- */
.faq { padding: 100px 0; background: var(--white); }
.faq h2 { font-size: clamp(32px, 5vw, 48px); margin-bottom: 48px; }

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  border-top: 1px solid var(--gray-300);
}
.faq-list details {
  border-bottom: 1px solid var(--gray-300);
  padding: 20px 0;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 20px;
  font-weight: 400;
}
.faq-list details[open] summary::after { content: "\2212"; }
.faq-list p { margin-top: 14px; color: #333; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--black);
  color: var(--white);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(26px, 4vw, 36px); margin-bottom: 6px; }
.cta-band p { color: var(--gray-300); }
.cta-bird { width: 64px; opacity: 0.9; flex-shrink: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--black);
  color: var(--gray-300);
  border-top: 1px solid #2a2a2a;
  padding: 48px 0 32px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-word {
  display: block;
  color: var(--white);
  font-weight: 900;
  letter-spacing: 0.02em;
  font-size: 18px;
}
.footer-tag {
  display: block;
  font-size: 13px;
  color: var(--gray-600);
  margin-top: 4px;
}
.footer-links {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  font-size: 14px;
}
.footer-links a:hover { color: var(--white); }
.footer-meta { font-size: 13px; color: var(--gray-600); text-align: right; }
.footer-meta p { margin-bottom: 4px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .mission-inner { grid-template-columns: 1fr; text-align: left; }
  .mission-art { order: -1; }
  .mission-bird { max-width: 160px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-bird { width: 220px; }
}

@media (max-width: 640px) {
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--black);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
    border-bottom: 1px solid #2a2a2a;
  }
  .main-nav.open { max-height: 260px; }
  .main-nav a {
    padding: 16px 24px;
    border-top: 1px solid #2a2a2a;
  }
  .nav-toggle { display: flex; }

  .product-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 220px; }
  .hero-bird { width: 160px; right: 10px; }
  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }
  .cta-band-inner { flex-direction: column; text-align: center; }
}