/* ============================================
   DAVID JAM5S — Style
   ============================================ */

:root {
  --black: #0a0a0a;
  --dark: #141414;
  --gray-900: #1a1a1a;
  --gray-800: #252525;
  --gray-700: #333;
  --gray-400: #888;
  --gray-300: #aaa;
  --white: #f0f0f0;
  --accent: #dc2626;
  --accent-dim: #b91c1c;
  --radius: 4px;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- ACCESSIBILITY ---- */

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 200;
  padding: 12px 24px;
  background: var(--accent);
  color: var(--black);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

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

/* ---- BUTTONS ---- */

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 36px;
  background: var(--accent);
  color: var(--black);
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background: transparent;
  color: var(--accent);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: var(--gray-700);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* ---- NAV ---- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  transition: background var(--transition), padding var(--transition);
}

.nav--scrolled {
  background: rgba(10, 10, 10, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 14px 40px;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  gap: 16px;
}

.nav__links a {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.9;
  padding: 0.2em 0;
  display: inline-block;
  transition: color var(--transition);
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* ---- HERO ---- */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 65%;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.95) 0%,
    rgba(10, 10, 10, 0.5) 40%,
    rgba(10, 10, 10, 0.15) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 40px 80px;
  max-width: 700px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero__sub {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--gray-300);
  margin-bottom: 32px;
  max-width: 440px;
}

/* ---- SECTIONS ---- */

.section {
  padding: 60px 0;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section__title--center {
  text-align: center;
}

.section__subtitle {
  text-align: center;
  color: var(--gray-400);
  font-weight: 300;
  font-size: 1.05rem;
  margin-bottom: 36px;
}

/* ---- ABOUT ---- */

.about {
  background: var(--dark);
}

.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  grid-template-areas: "image text";
  gap: 24px;
  align-items: start;
  max-width: 1000px;
  margin: 0 auto;
}

.about__text {
  grid-area: text;
  min-width: 0;
}

.about__text .section__title {
  text-align: left;
}

.about__image {
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--gray-800);
  grid-area: image;
  justify-self: start;
  width: 100%;
  max-width: 220px;
}

.about__image img {
  width: 100%;
  max-height: 300px;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  filter: sepia(30%) saturate(110%) brightness(0.95) hue-rotate(-3deg);
}

.about__text p {
  color: var(--gray-300);
  font-weight: 300;
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.7;
}

.about__stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-800);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat__number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--accent);
}

.stat__label {
  font-size: 0.8rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat__tagline {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.2vw, 1.05rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--accent);
  letter-spacing: 0.03em;
  max-width: 14rem;
}

/* ---- PRODUCT ---- */

.product {
  background: var(--black);
}

.product__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.product__preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.product__photo-wrap {
  width: 100%;
  max-width: 260px;
  margin: 0 auto;
  overflow: hidden;
}

.product__photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.product__color-picker {
  display: flex;
  align-items: center;
  gap: 14px;
}

.product__color-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.product__colors {
  display: flex;
  gap: 8px;
}

.color-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  padding: 0;
}

.color-dot:hover {
  transform: scale(1.15);
}

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

.product__color-name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  min-width: 90px;
}

.product__features {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.feature {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.feature__icon svg {
  width: 24px;
  height: 24px;
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.feature p {
  font-size: 0.9rem;
  color: var(--gray-400);
  font-weight: 300;
  line-height: 1.5;
}

/* ---- SIGNATURE CONTRAST (campaign) ---- */

.campaign {
  background: var(--dark);
}

.campaign__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.campaign__card {
  overflow: hidden;
  position: relative;
  border-radius: 4px;
  border: 1px solid var(--gray-800);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 1px 0 rgba(0, 0, 0, 0.35);
}

.campaign__card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.4s ease;
  display: block;
}

.campaign__card:hover img {
  transform: scale(1.05);
}

/* ---- SIZE CHART ---- */

.sizechart {
  background: var(--dark);
}

.sizechart__wrap {
  max-width: 700px;
  margin: 0 auto;
}

.sizechart__table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
}

.sizechart__table th {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid var(--gray-700);
}

.sizechart__table td {
  font-size: 0.9rem;
  color: var(--gray-300);
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-800);
}

.sizechart__recommended {
  background: rgba(220, 38, 38, 0.1);
}

.sizechart__recommended td {
  color: var(--white);
  font-weight: 500;
}

.sizechart__badge {
  display: inline-block;
  background: var(--accent);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  margin-left: 8px;
  vertical-align: middle;
}

.sizechart__tips {
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  padding: 24px;
}

.sizechart__tips h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sizechart__tips p {
  font-size: 0.9rem;
  color: var(--gray-400);
  font-weight: 300;
  line-height: 1.6;
}

.sizechart__fine-print {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--gray-600);
  font-style: italic;
  font-style: oblique 12deg;
  margin-top: 12px;
  letter-spacing: 0.02em;
}

/* ---- PRICING ---- */

.pricing {
  background: var(--dark);
  padding-bottom: 28px;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.pricing__card {
  position: relative;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  padding: 22px 18px;
  text-align: center;
  transition: border-color var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pricing__card .btn {
  margin-top: auto;
}

.pricing__card:hover {
  border-color: var(--gray-700);
}

.pricing__card--featured {
  border-color: var(--accent);
  background: linear-gradient(to bottom, rgba(220, 38, 38, 0.08), var(--gray-900));
}

.pricing__card--featured:hover {
  border-color: var(--accent);
}

.pricing__badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 16px;
}

.pricing__card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-300);
  margin-bottom: 14px;
}

.pricing__amount {
  font-family: var(--font-display);
  font-size: 2.15rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}

.pricing__per {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 18px;
}

.pricing__list {
  text-align: left;
  margin-bottom: 22px;
}

.pricing__list li {
  font-size: 0.85rem;
  color: var(--gray-300);
  padding: 7px 0;
  border-bottom: 1px solid var(--gray-800);
  padding-left: 20px;
  position: relative;
}

.pricing__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-50%);
}

.pricing__crypto {
  margin-top: 18px;
  margin-bottom: 0;
}

.pricing__crypto-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  padding: 18px 20px;
  border-radius: 4px;
  max-width: 720px;
  margin: 0 auto;
}

.pricing__crypto-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  filter: invert(1);
  object-fit: contain;
}

.pricing__crypto-inner h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.pricing__crypto-inner p {
  font-size: 0.85rem;
  color: var(--gray-400);
  font-weight: 300;
  line-height: 1.5;
}


/* ---- FOOTER ---- */

.footer {
  background: var(--dark);
  border-top: 1px solid var(--gray-800);
  padding: 50px 0 30px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 36px;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.footer__brand p {
  font-size: 0.9rem;
  color: var(--gray-400);
  font-weight: 300;
  line-height: 1.6;
}

.footer__links h4,
.footer__contact h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--gray-300);
}

.footer__links a {
  display: block;
  font-size: 0.9rem;
  color: var(--gray-400);
  padding: 6px 0;
  transition: color var(--transition);
}

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

.footer__contact p {
  font-size: 0.9rem;
  color: var(--gray-400);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer__bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 24px;
  text-align: center;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--gray-700);
  letter-spacing: 0.04em;
}

/* ---- RESPONSIVE ---- */

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(10px);
    padding: 20px 24px;
    gap: 12px;
  }

  .nav__links.open a {
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--white);
    line-height: 1.9;
    padding: 0.2em 0;
    display: block;
  }

  .product__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
    grid-template-areas: "image text";
    gap: 18px;
  }

  .about__image {
    max-width: 200px;
    justify-self: start;
  }

  .product__photo-wrap {
    max-width: 240px;
  }

  .campaign__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 100%;
  }


  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .hero__content {
    padding: 0 24px 60px;
  }

  .sizechart__table th,
  .sizechart__table td {
    padding: 10px 10px;
    font-size: 0.8rem;
  }
}

@media (max-width: 600px) {
  .nav { padding: 16px 20px; }
  .section { padding: 40px 0; }

  .about__stats {
    flex-direction: column;
    gap: 20px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pricing__crypto-inner {
    flex-direction: column;
    text-align: center;
  }

  .pricing__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .pricing__card {
    padding: 18px 14px;
  }

  .pricing__amount {
    font-siz