/* ============================================================
   UNGVNBL — styles.css
   Season 01 | First Position
   Design System: Void Black / Bone White / Scar Red
   ============================================================ */

/* --- RESET & BASE --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --void-black: #0A0A0A;
  --bone-white: #F2EDE6;
  --raw-concrete: #8A8680;
  --scar-red: #C41E1E;
  --iron: #3A3835;
  --font: "Helvetica Neue", "Arial", sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--void-black);
  color: var(--bone-white);
  font-family: var(--font);
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  line-height: 1.1;
}

p {
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.8;
}

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 3rem;
  mix-blend-mode: normal;
}

.nav__logo {
  font-weight: 900;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bone-white);
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-white);
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.nav__links a:hover {
  opacity: 1;
}

/* Mobile nav */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--bone-white);
  transition: all 0.3s ease;
}

/* --- HERO --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--void-black);
  overflow: hidden;
}

.hero__wordmark {
  font-size: clamp(2.5rem, 10vw, 9rem);
  font-weight: 100;
  letter-spacing: 0.6em;
  text-transform: uppercase;
  color: var(--bone-white);
  text-align: center;
  line-height: 1;
  padding-right: 0.6em; /* compensate for trailing letter-spacing */
}

.hero__sub {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--bone-white);
  opacity: 0.4;
  margin-top: 1.2rem;
  text-align: center;
}

.hero__cta {
  position: absolute;
  bottom: 3.5rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero__cta a {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bone-white);
  opacity: 0.5;
  transition: opacity 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.hero__cta a:hover {
  opacity: 1;
}

.hero__cta-arrow {
  display: block;
  width: 1px;
  height: 40px;
  background: var(--bone-white);
  opacity: 0.3;
  margin: 0 auto;
  animation: pulseDown 2s ease-in-out infinite;
}

@keyframes pulseDown {
  0%, 100% { opacity: 0.15; transform: scaleY(0.7); }
  50% { opacity: 0.5; transform: scaleY(1); }
}

/* --- SECTION LAYOUT --- */
.section {
  padding: 8rem 3rem;
}

.section--narrow {
  max-width: 680px;
  margin: 0 auto;
}

.section__label {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--raw-concrete);
  margin-bottom: 1rem;
}

.section__title {
  font-size: clamp(1.4rem, 4vw, 2.5rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 4rem;
}

/* --- COLLECTION GRID (Homepage preview) --- */
.collection-preview {
  padding: 8rem 3rem;
  background: var(--void-black);
}

.collection-preview__header {
  margin-bottom: 5rem;
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (min-width: 1100px) {
  .products-grid--3col {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- PRODUCT CARD --- */
.product-card {
  cursor: pointer;
}

.product-card__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  background-color: var(--iron);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.product-card__image-placeholder {
  width: 40%;
  opacity: 0.08;
}

.product-card__image-label {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bone-white);
  opacity: 0.3;
}

.product-card__body {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.product-card__name {
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-white);
}

.product-card__price {
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--raw-concrete);
}

.product-card__desc {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--raw-concrete);
  margin-top: 0.6rem;
}

/* --- BUTTONS --- */
.btn {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--bone-white);
  padding: 1.1rem 2.5rem;
  border: 1px solid rgba(242, 237, 230, 0.2);
  cursor: pointer;
  background: none;
  transition: border-color 0.3s ease, color 0.3s ease;
  font-family: var(--font);
}

.btn:hover {
  border-color: var(--bone-white);
}

.btn--notify {
  width: 100%;
  text-align: center;
  margin-top: 1.2rem;
}

.btn--scar {
  border-color: var(--scar-red);
  color: var(--scar-red);
}

.btn--scar:hover {
  background: var(--scar-red);
  color: var(--void-black);
}

/* --- VIEW ALL LINK --- */
.view-all {
  text-align: center;
  margin-top: 6rem;
}

.view-all a {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bone-white);
  opacity: 0.4;
  transition: opacity 0.3s ease;
  border-bottom: 1px solid rgba(242, 237, 230, 0.15);
  padding-bottom: 0.3rem;
}

.view-all a:hover {
  opacity: 1;
}

/* --- COLLECTION PAGE --- */
.collection-header {
  padding: 14rem 3rem 6rem;
}

.collection-header__season {
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--raw-concrete);
  margin-bottom: 1rem;
}

.collection-header__title {
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.collection-header__statement {
  max-width: 480px;
  margin-top: 3rem;
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.9;
  color: var(--raw-concrete);
}

.collection-grid {
  padding: 0 3rem 10rem;
}

/* --- PRODUCT DETAIL ROW --- */
.product-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  padding: 6rem 0;
  border-top: 1px solid rgba(242, 237, 230, 0.05);
}

@media (min-width: 768px) {
  .product-row {
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
  }

  .product-row:nth-child(even) .product-row__image {
    order: 2;
  }

  .product-row:nth-child(even) .product-row__info {
    order: 1;
  }
}

.product-row__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  background-color: var(--iron);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-row__image-inner {
  width: 35%;
  opacity: 0.06;
}

.product-row__info {
  padding-top: 1rem;
}

.product-row__num {
  font-size: 0.55rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--raw-concrete);
  margin-bottom: 1.5rem;
}

.product-row__name {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.product-row__subtitle {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--raw-concrete);
  margin-bottom: 2rem;
}

.product-row__price {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--bone-white);
  margin-bottom: 2.5rem;
}

.product-row__desc {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.9;
  color: var(--raw-concrete);
  margin-bottom: 3rem;
}

.product-row__spec {
  list-style: none;
  margin-bottom: 3rem;
}

.product-row__spec li {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--iron);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(242, 237, 230, 0.04);
}

.product-row__spec li:first-child {
  border-top: 1px solid rgba(242, 237, 230, 0.04);
}

/* --- ABOUT PAGE --- */
.about-hero {
  padding: 16rem 3rem 8rem;
  max-width: 760px;
}

.about-hero__title {
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 5rem;
}

.about-body {
  padding: 0 3rem 12rem;
  max-width: 620px;
}

.about-body p {
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 2;
  color: var(--bone-white);
  margin-bottom: 2.5rem;
}

.about-body .about-body__tagline {
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-white);
  margin-top: 5rem;
  margin-bottom: 0;
}

/* --- CONTACT PAGE --- */
.contact-hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 0 3rem;
}

.contact-hero__label {
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--raw-concrete);
  margin-bottom: 2rem;
}

.contact-hero__email {
  font-size: clamp(1rem, 4vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--bone-white);
  border-bottom: 1px solid rgba(242, 237, 230, 0.15);
  padding-bottom: 0.3rem;
  transition: border-color 0.3s ease;
}

.contact-hero__email:hover {
  border-color: var(--bone-white);
}

.contact-hero__note {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 1.9;
  color: var(--raw-concrete);
  margin-top: 3rem;
  max-width: 360px;
}

/* --- FOOTER --- */
.footer {
  padding: 4rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(242, 237, 230, 0.05);
}

.footer__brand {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--raw-concrete);
}

.footer__social {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.footer__social a {
  color: var(--raw-concrete);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.footer__social a:hover {
  color: var(--bone-white);
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--raw-concrete);
  stroke-width: 1.5;
  transition: stroke 0.3s ease;
}

.footer__social a:hover svg {
  stroke: var(--bone-white);
}

/* --- SCROLL ANIMATIONS --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in--delay-1 { transition-delay: 0.15s; }
.fade-in--delay-2 { transition-delay: 0.3s; }
.fade-in--delay-3 { transition-delay: 0.45s; }

/* --- PAGE TRANSITION --- */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--void-black);
  z-index: 999;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.6s ease;
}

.page-loader.loaded {
  opacity: 0;
}

/* --- SCAR RED APPLICATION --- */
/* Used exactly once: the Season 01 label accent */
.accent-scar {
  color: var(--scar-red);
}

/* --- DIVIDER --- */
.divider {
  width: 1px;
  height: 60px;
  background: rgba(242, 237, 230, 0.1);
  margin: 0 auto 4rem;
}

/* --- SCREEN READER ONLY --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- RESPONSIVE --- */
@media (max-width: 767px) {
  .nav {
    padding: 1.5rem 1.5rem;
  }

  .nav__links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--void-black);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    z-index: 99;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links a {
    font-size: 1rem;
    letter-spacing: 0.3em;
  }

  .nav__toggle {
    display: flex;
    z-index: 101;
  }

  .section {
    padding: 5rem 1.5rem;
  }

  .collection-preview {
    padding: 5rem 1.5rem;
  }

  .collection-header {
    padding: 10rem 1.5rem 4rem;
  }

  .collection-grid {
    padding: 0 1.5rem 8rem;
  }

  .about-hero {
    padding: 12rem 1.5rem 5rem;
  }

  .about-body {
    padding: 0 1.5rem 8rem;
  }

  .contact-hero {
    padding: 0 1.5rem;
  }

  .footer {
    padding: 3rem 1.5rem;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

@media (min-width: 1400px) {
  .section {
    padding: 10rem 5rem;
  }

  .collection-preview {
    padding: 10rem 5rem;
  }

  .collection-header {
    padding: 16rem 5rem 8rem;
  }

  .collection-grid {
    padding: 0 5rem 12rem;
  }

  .about-hero {
    padding: 18rem 5rem 10rem;
  }

  .about-body {
    padding: 0 5rem 14rem;
  }

  .contact-hero {
    padding: 0 5rem;
  }

  .footer {
    padding: 5rem;
  }
}