/* ============================================
   VENTURE MELODY — Styles
   Charcoal & Copper palette
   ============================================ */

/* --- Design Tokens --- */
:root {
  --color-bg: #1C1B19;
  --color-bg-alt: #161513;
  --color-text: #EDE8E0;
  --color-text-soft: #9A918A;
  --color-accent: #C87941;
  --color-accent-hover: #D98B52;
  --color-accent-light: rgba(200, 121, 65, 0.12);
  --color-secondary: #7A7370;
  --color-highlight: #2A2825;
  --color-border: #3A3633;
  --color-card-bg: #262420;
  --color-card-shadow: rgba(0, 0, 0, 0.25);

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(28, 27, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(28, 27, 25, 0.95);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  transition: opacity var(--transition);
}

.nav-logo:hover { opacity: 0.7; }

.logo-venture {
  color: var(--color-text);
}

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

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-soft);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  position: absolute;
  left: 0;
  transition: var(--transition);
}

.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 20px; }

.nav-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 0 var(--space-md) var(--space-md);
  gap: var(--space-sm);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-soft);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 35%;
  pointer-events: none;
}

.wave-svg {
  width: 100%;
  height: 100%;
}

.wave-path {
  transition: d 0.5s ease;
}

.wave-1 {
  fill: var(--color-accent);
  opacity: 0.1;
}

.wave-2 {
  fill: var(--color-highlight);
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-tag {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-soft);
  max-width: 480px;
  margin: 0 auto var(--space-lg);
  font-weight: 300;
}

.hero-subtitle--coming-soon {
  margin-bottom: 0;
}

/* --- Coming soon mode: hide full site, show banner; remove body class to show full site --- */
body.coming-soon .coming-soon-banner {
  display: flex;
}
body.coming-soon .site-content {
  display: none !important;
}
body.coming-soon .nav-links,
body.coming-soon .nav-toggle,
body.coming-soon .nav-mobile {
  display: none !important;
}

body:not(.coming-soon) .coming-soon-banner {
  display: none !important;
}

.hero-cta {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.hero-cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(196, 135, 46, 0.25);
}

/* --- Section Common --- */
.section {
  padding: var(--space-2xl) 0;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.8rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.section-divider {
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.6;
}

/* --- Ventures --- */
.ventures {
  background: var(--color-bg-alt);
}

.ventures-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.venture-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.venture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-highlight));
  opacity: 0;
  transition: opacity var(--transition);
}

.venture-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--color-card-shadow);
  border-color: var(--color-accent-light);
}

.venture-card:hover::before {
  opacity: 1;
}

.venture-card--link {
  cursor: pointer;
  text-decoration: none;
}

.venture-icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.venture-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.venture-tagline {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  flex-grow: 1;
  margin-bottom: var(--space-sm);
}

.venture-status {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  background: var(--color-highlight);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  align-self: flex-start;
}

.venture-link-arrow {
  font-size: 1.3rem;
  color: var(--color-accent);
  transition: transform var(--transition);
  align-self: flex-start;
}

.venture-card--link:hover .venture-link-arrow {
  transform: translateX(6px);
}

/* --- About --- */
.about-content {
  max-width: 680px;
}

.about-text {
  color: var(--color-text-soft);
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.about-text:last-child {
  margin-bottom: 0;
}

/* --- Contact --- */
.contact {
  background: var(--color-bg-alt);
}

.contact-intro {
  color: var(--color-text-soft);
  font-size: 1.05rem;
  margin-top: calc(-1 * var(--space-lg));
  margin-bottom: var(--space-xl);
  max-width: 500px;
}

.contact-form {
  max-width: 600px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-highlight);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-secondary);
  opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.form-submit:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(196, 135, 46, 0.25);
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.form-submit.sent {
  background: #5a8a5a;
}

/* --- Footer --- */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--color-secondary);
}

/* --- Animations (fade-in on scroll) --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .hero {
    min-height: 85vh;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .venture-card {
    padding: var(--space-md);
  }
}