/* ==============================
   XAVIER RIBEIRO — Portfolio
   Design System
   ============================== */

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

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-hover: #1a1a1a;
  --text: #ffffff;
  --text-secondary: #aaaaaa;
  --text-muted: #777777;
  --accent: #c9a84c;
  --accent-hover: #dbb85e;
  --accent-dim: rgba(201, 168, 76, 0.15);
  --border: #222222;
  --font-heading: 'Tenor Sans', sans-serif;
  --font-body: 'Pontano Sans', sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.75rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--text-secondary);
  transition: color var(--transition), transform var(--transition);
}

.header-social a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.header-social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* --- Navigation --- */
.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list a {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--text);
}

.nav-list a:hover::after,
.nav-list a.active::after {
  width: 100%;
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Nav --- */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .header-social {
    gap: 0.5rem;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    height: 100vh;
    background: var(--surface);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: right 0.4s ease;
    z-index: 999;
  }

  .nav.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 2.5rem;
  }

  .nav-list a {
    font-size: 0.9rem;
  }
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 2rem) 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(201, 168, 76, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(201, 168, 76, 0.04) 0%, transparent 60%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: 3.5rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
}

.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

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

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

/* --- Sections --- */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--surface);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

/* --- Cards Grid --- */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--accent-dim);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.card-label {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

/* --- Embedded Media --- */
.embed-wrapper {
  position: relative;
  width: 100%;
  margin: 1.5rem 0;
}

.embed-wrapper iframe {
  width: 100%;
  border: none;
  border-radius: 4px;
}

.embed-soundcloud {
  height: 166px;
}

.embed-spotify {
  height: 352px;
}

.embed-youtube {
  aspect-ratio: 16 / 9;
  height: auto;
}

/* --- Catalog Table --- */
.catalog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.catalog-table th,
.catalog-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.catalog-table th {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 400;
}

.catalog-table td {
  color: var(--text-secondary);
}

.catalog-table tr:hover td {
  color: var(--text);
  background: var(--surface-hover);
}

.catalog-table .work-title {
  color: var(--text);
  font-weight: 700;
}

/* --- Contact Form --- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* --- Social Links (page) --- */
.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.social-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.social-links svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
}

.footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* --- Scroll Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- About Page --- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.about-photo {
  background: linear-gradient(135deg, var(--surface), var(--border));
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-heading);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.influences {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.influence-tag {
  padding: 0.4rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: calc(var(--header-height) + 4rem) 1.5rem 3rem;
  text-align: center;
  background:
    radial-gradient(ellipse 70% 50% at 50% 60%, rgba(201, 168, 76, 0.05) 0%, transparent 60%);
}

.page-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.page-hero p {
  max-width: 500px;
  margin: 0 auto;
  font-size: 0.95rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero h1 { font-size: 2.25rem; }
  .page-hero h1 { font-size: 1.75rem; }

  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-photo {
    max-width: 280px;
    margin: 0 auto;
  }

  .section {
    padding: 3rem 0;
  }

  .catalog-table th,
  .catalog-table td {
    padding: 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.75rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .btn { padding: 0.7rem 1.5rem; font-size: 0.75rem; }
}

/* --- Nav list items --- */
.nav-list li { list-style: none; }

/* --- Language Toggle --- */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 2rem;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}
.lang-toggle a { color: var(--text-muted) !important; }
.lang-toggle a.active { color: var(--accent) !important; }
.lang-toggle .sep { color: var(--text-muted); }

/* --- Footer Links --- */
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.footer-links li { list-style: none; }
.footer-links a {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.footer-links a:hover { color: var(--accent); }

/* --- Responsive lang-toggle --- */
@media (max-width: 768px) {
  .lang-toggle { margin-left: 0; }
}

/* --- Media Grid (Soundcloud + YouTube) --- */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (max-width: 768px) {
  .media-grid { grid-template-columns: 1fr; }
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid-4 { grid-template-columns: 1fr; } }

/* --- Catalog Work Card --- */
.work-card {
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}
.work-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}
.work-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}
.work-card-body {
  padding: 1.5rem;
}
.work-card-body h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}
.work-meta {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.work-card-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.work-links {
  display: flex;
  gap: 0.75rem;
}
.work-links a {
  font-size: 0.75rem;
}

/* --- Contact Info --- */
.contact-info {
  text-align: center;
  margin-bottom: 2rem;
}
.contact-info p {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.contact-info a {
  color: var(--accent);
}

/* --- Opera Page --- */
.opera-credits {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
}
.opera-credits p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}
.opera-credits strong {
  color: var(--text);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}