/* ──────────────────────────────────────────
   YELLAH BRAND — DEMETRIA HALLEY
   Design System: Gold · Black · White
────────────────────────────────────────── */

/* ── TOKENS ── */
:root {
  --yellow:     #F5C518;
  --yellow-lt:  #FFE066;
  --yellow-dk:  #C89A00;
  --black:      #0A0A0A;
  --black-2:    #111111;
  --black-3:    #1A1A1A;
  --black-4:    #222222;
  --white:      #FFFFFF;
  --gray-1:     #F4F4F4;
  --gray-2:     #AAAAAA;
  --gray-3:     #666666;
  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  40px;
  --shadow:     0 4px 32px rgba(0,0,0,0.35);
  --shadow-glow:0 0 40px rgba(245, 197, 24, 0.18);
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body:  'Inter', system-ui, sans-serif;
  --font-display:'Playfair Display', Georgia, serif;
  --max-w:      1180px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── UTILITIES ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}
.section { padding: 120px 0; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 40px;
}
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(245, 197, 24, 0.12);
  color: var(--yellow);
  border: 1px solid rgba(245, 197, 24, 0.3);
  border-radius: 100px;
  padding: 4px 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-xl);
  padding: 14px 32px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--yellow);
  color: var(--black);
}
.btn--primary:hover {
  background: var(--yellow-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 197, 24, 0.35);
}
.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn--ghost:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  transform: translateY(-2px);
}

/* scroll reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
.nav--scrolled {
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
}
.nav__logo-img {
  height: 40px;
  width: 40px;
  object-fit: contain;
  display: block;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav__links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-2);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--white); }
.nav__cta {
  background: var(--yellow) !important;
  color: var(--black) !important;
  font-weight: 700 !important;
  border-radius: 100px;
  padding: 8px 22px;
  font-size: 0.85rem !important;
  transition: background var(--transition), box-shadow var(--transition) !important;
}
.nav__cta:hover {
  background: var(--yellow-lt) !important;
  box-shadow: 0 4px 20px rgba(245,197,24,0.3) !important;
}
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  background: var(--black-2);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.nav__mobile.open {
  max-height: 400px;
  padding: 16px 0 24px;
  display: flex;
}
.mobile-link {
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-2);
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--yellow); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 28px 80px;
}
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,197,24,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,197,24,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero__bg-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 100%, rgba(245,197,24,0.07) 0%, transparent 70%),
              radial-gradient(ellipse 50% 50% at 10% 20%, rgba(245,197,24,0.05) 0%, transparent 60%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 24px;
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7.5vw, 6.2rem);
  font-weight: 700;
  line-height: 1.04;
  color: var(--white);
  margin-bottom: 28px;
}
.hero__headline em {
  font-style: normal;
  color: var(--yellow);
}
.hero__highlight {
  background: linear-gradient(135deg, var(--yellow) 0%, var(--yellow-lt) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gray-2);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 44px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* spinning badge */
.hero__badge {
  position: absolute;
  right: 100px;
  top: 50%;
  transform: translateY(-50%);
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.hero__badge-ring {
  position: absolute;
  width: 160px;
  height: 160px;
}
.badge-text {
  font-size: 13px;
  fill: var(--gray-3);
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.1em;
}
.hero__badge-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  position: relative;
  z-index: 3;
  filter: drop-shadow(0 0 12px rgba(245,197,24,0.4));
}

/* ── ABOUT ── */
.about { background: var(--black-2); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__text p {
  color: var(--gray-2);
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.75;
}
.about__text strong { color: var(--white); }
.about__stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--yellow);
  line-height: 1;
}
.stat__label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 6px;
}
.about__card {
  background: var(--black-3);
  border: 1px solid rgba(245,197,24,0.15);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-glow);
}
.about__card-icon { font-size: 2.5rem; margin-bottom: 24px; }
.about__card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 20px;
}
.quote {
  font-size: 1rem;
  color: var(--yellow);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 28px;
  border-left: 3px solid var(--yellow);
  padding-left: 16px;
}
.about__tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

/* ── PRODUCTS ── */
.products { background: var(--black); }
.products__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.product-card {
  background: var(--black-3);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  border-color: rgba(245,197,24,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.product-card--featured {
  grid-column: 1 / -1;
  background: var(--black-4);
  border-color: rgba(245,197,24,0.25);
}
.product-card__accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow), var(--yellow-lt));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.product-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.product-card__badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--yellow);
  color: var(--black);
  border-radius: 100px;
  padding: 4px 12px;
}
.product-card__name {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.product-card--featured .product-card__name { font-size: 2.4rem; }
.product-card__icon { font-size: 1.8rem; }
.product-card__desc {
  color: var(--gray-2);
  font-size: 1rem;
  line-height: 1.72;
  margin-bottom: 24px;
}
.product-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.product-card__sub-brand {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 4px;
}
.product-card__modules {
  list-style: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.product-card__modules li {
  font-size: 0.92rem;
  color: var(--gray-2);
  line-height: 1.55;
  padding-left: 16px;
  position: relative;
}
.product-card__modules li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--yellow);
  border-radius: 50%;
  opacity: 0.7;
}
.product-card__modules li strong { color: var(--white); }
.product-card__link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--yellow);
  letter-spacing: 0.04em;
  transition: letter-spacing var(--transition);
}
.product-card__link:hover { letter-spacing: 0.1em; }

/* ── JOURNEY ── */
.journey { background: var(--black-2); }
.journey__timeline {
  position: relative;
  padding-left: 48px;
  margin-top: 60px;
}
.journey__timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--yellow), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 56px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item__dot {
  position: absolute;
  left: -44px;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--yellow);
  border-radius: 50%;
  border: 3px solid var(--black-2);
  box-shadow: 0 0 0 3px rgba(245,197,24,0.25);
}
.timeline-item__date {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 8px;
  display: block;
}
.timeline-item h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 10px;
}
.timeline-item p {
  color: var(--gray-2);
  font-size: 0.98rem;
  line-height: 1.7;
  max-width: 560px;
}

/* ── PHILOSOPHY ── */
.philosophy { background: var(--black); }
.philosophy__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
  margin-bottom: 80px;
}
.pillar {
  background: var(--black-3);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.pillar:hover {
  border-color: rgba(245,197,24,0.3);
  transform: translateY(-4px);
}
.pillar__icon { font-size: 2rem; margin-bottom: 20px; }
.pillar h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 14px;
}
.pillar h4 span { color: var(--yellow); }
.pillar p {
  color: var(--gray-2);
  font-size: 0.92rem;
  line-height: 1.68;
}
.philosophy__quote {
  background: var(--black-3);
  border: 1px solid rgba(245,197,24,0.2);
  border-left: 4px solid var(--yellow);
  border-radius: var(--radius-md);
  padding: 44px 52px;
  text-align: center;
  box-shadow: var(--shadow-glow);
}
.philosophy__quote p,
.philosophy__quote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  color: var(--white);
  line-height: 1.6;
  font-weight: 400;
}
.philosophy__quote em {
  color: var(--yellow);
  font-style: italic;
}
.philosophy__quote cite {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 20px;
  font-style: normal;
}

/* ── CONTACT ── */
.contact { background: var(--black-2); }
.contact__box {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.contact__box .section-label { display: block; }
.contact__box .section-title { margin-bottom: 20px; }
.contact__sub {
  color: var(--gray-2);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 40px;
}
.contact__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── FOOTER ── */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 36px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer__logo-img {
  height: 36px;
  width: 36px;
  object-fit: contain;
  display: block;
}
.footer__copy {
  font-size: 0.82rem;
  color: var(--gray-3);
}
.footer__links {
  display: flex;
  gap: 28px;
}
.footer__links a {
  font-size: 0.82rem;
  color: var(--gray-3);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--yellow); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .philosophy__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__badge { display: none; }
}

@media (max-width: 820px) {
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .products__grid { grid-template-columns: 1fr; }
  .product-card--featured { grid-column: auto; }
  .section { padding: 80px 0; }
}

@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .hero { padding: 120px 20px 60px; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .about__stats { gap: 24px; flex-wrap: wrap; }
  .philosophy__grid { grid-template-columns: 1fr; }
  .philosophy__quote { padding: 28px 24px; }
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links { justify-content: center; }
  .br-lg { display: none; }
}