/* ========================================
   HollowTone — CSS
   ======================================== */

:root {
  --color-bg-deep: #0D1108;
  --color-bg: #1A1F14;
  --color-text: #E8E0D4;
  --color-accent: #D4A04A;
  --color-secondary: #4A6741;
  --color-subtle: #2A3425;
  --color-text-muted: #8a8478;

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', 'Segoe UI', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  --max-width: 1200px;
  --radius: 8px;
  --transition: 0.3s ease;
}


/* ---- Reset ---- */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg-deep);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul {
  list-style: none;
}


/* ---- Utilities ---- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-accent);
  color: var(--color-bg-deep);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius);
  z-index: 1000;
  font-weight: 500;
}

.skip-link:focus {
  top: var(--space-sm);
}


/* ---- Grain overlay ---- */

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}


/* ---- Navigation ---- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.site-header.scrolled {
  background-color: rgba(13, 17, 8, 0.95);
  box-shadow: 0 1px 0 rgba(74, 103, 65, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
}

.nav__wordmark {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.nav__logo {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
}

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

.nav__links {
  display: flex;
  gap: var(--space-md);
}

.nav__links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition);
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ---- Hero ---- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: 0;
  background-image: url('../Images/hero-banner.png');
  background-size: cover;
  background-position: center;
  animation: kenBurns 25s ease-in-out infinite alternate;
}

.hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(13, 17, 8, 0.75) 0%, rgba(13, 17, 8, 0.35) 45%, rgba(13, 17, 8, 0.65) 100%),
    linear-gradient(to bottom, rgba(13, 17, 8, 0.2) 0%, rgba(13, 17, 8, 0.1) 40%, rgba(13, 17, 8, 0.6) 80%, rgba(13, 17, 8, 1) 100%);
}

@keyframes kenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: left;
  padding: var(--space-md) var(--space-md) var(--space-md) var(--space-xl);
  max-width: 650px;
}

.hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.hero__subline {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg-deep);
}

.btn--primary:hover {
  background: var(--color-text);
  color: var(--color-bg-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 160, 74, 0.2);
}

.waveform-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
}


/* ---- Sections ---- */

.section {
  padding: var(--space-xl) 0;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.divider {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.divider svg {
  width: 100%;
  height: 40px;
}


/* ---- Intro ---- */

.intro__text {
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  text-align: center;
  color: var(--color-text-muted);
}

.intro__text p + p {
  margin-top: var(--space-sm);
}

.intro__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.intro-card {
  text-align: center;
  padding: var(--space-md);
  border-radius: var(--radius);
  background: var(--color-subtle);
  border: 1px solid rgba(74, 103, 65, 0.15);
  transition: transform var(--transition), border-color var(--transition);
}

.intro-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 160, 74, 0.2);
}

.intro-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-sm);
}

.intro-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.intro-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}


/* ---- Soundscapes ---- */

.soundscapes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.soundscape-card {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-subtle);
  border: 1px solid rgba(74, 103, 65, 0.15);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  color: var(--color-text);
}

.soundscape-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 160, 74, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  color: var(--color-text);
}

.soundscape-card__thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  /* PLACEHOLDER: When using real images, replace the child .soundscape-card__placeholder
     with <img src="images/your-image.jpg" alt="Description" loading="lazy"> */
  background: linear-gradient(135deg, var(--color-subtle) 0%, #1a2612 100%);
  position: relative;
}

.soundscape-card:hover .soundscape-card__thumb {
  filter: brightness(1.1);
}

.soundscape-card__placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  opacity: 0.3;
  pointer-events: none;
  white-space: nowrap;
}

.soundscape-card__info {
  padding: var(--space-sm);
}

.soundscape-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.soundscape-card__location {
  display: block;
  font-size: 0.8rem;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.soundscape-card__duration {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}


/* ---- Gallery ---- */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  grid-auto-rows: 250px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  /* PLACEHOLDER: Replace .gallery-item__placeholder child
     with <img src="images/gallery-XX.jpg" alt="Description" loading="lazy" style="width:100%;height:100%;object-fit:cover"> */
  background: linear-gradient(145deg, var(--color-subtle) 0%, #1a2612 100%);
  cursor: pointer;
}

.gallery-item--tall {
  grid-row: span 2;
}

.gallery-item--wide {
  grid-column: span 2;
}

.gallery-item__placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  opacity: 0.3;
  pointer-events: none;
  white-space: nowrap;
}

.gallery-item__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm);
  background: linear-gradient(to top, rgba(13, 17, 8, 0.85), transparent);
  font-size: 0.85rem;
  color: var(--color-text);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}

.gallery-item:hover .gallery-item__caption {
  opacity: 1;
  transform: translateY(0);
}


/* ---- About ---- */

.section--about {
  background: var(--color-bg);
}

.about__text {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-text-muted);
}

.about__text p + p {
  margin-top: var(--space-sm);
}


/* ---- Platforms ---- */

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

.platform-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius);
  background: var(--color-subtle);
  border: 1px solid rgba(74, 103, 65, 0.15);
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.platform-card:hover {
  color: var(--color-accent);
  border-color: rgba(212, 160, 74, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.platform-card__icon {
  width: 36px;
  height: 36px;
}

.platform-card__name {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}


/* ---- Footer ---- */

.site-footer {
  position: relative;
  padding: var(--space-lg) 0 var(--space-md);
  background: var(--color-bg-deep);
  border-top: 1px solid rgba(74, 103, 65, 0.1);
}

.footer__waveform {
  position: absolute;
  top: -30px;
  left: 0;
  width: 100%;
  height: 60px;
}

.footer__inner {
  text-align: center;
}

.footer__copyright {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.footer__contact {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

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

.footer__socials {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

.footer__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--color-text-muted);
  border: 1px solid rgba(74, 103, 65, 0.2);
  transition: all var(--transition);
}

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

.footer__socials svg {
  width: 18px;
  height: 18px;
}


/* ---- Fade-in animation ---- */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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


/* ---- Responsive ---- */

@media (max-width: 900px) {
  .intro__cards {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 200px;
  }

  .gallery-item--wide {
    grid-column: span 1;
  }

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

@media (max-width: 640px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: var(--space-sm) 0;
    background: rgba(13, 17, 8, 0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(74, 103, 65, 0.2);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links a {
    padding: var(--space-sm) var(--space-md);
    display: block;
    width: 100%;
    text-align: center;
  }

  .nav__toggle {
    display: flex;
  }

  .soundscapes-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }

  .gallery-item--tall {
    grid-row: span 1;
  }

  .platforms-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .hero__content {
    padding-left: var(--space-md);
  }

  .hero__headline {
    font-size: 2.2rem;
  }
}

@media (max-width: 400px) {
  .platforms-grid {
    grid-template-columns: 1fr;
  }
}


/* ---- Reduced motion ---- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}