/* =============================================
   Kang Joyería — Estilos personalizados
   ============================================= */

:root {
  --color-black: #0a0a0a;
  --color-dark: #141414;
  --color-dark-soft: #1e1e1e;
  --color-cream: #f8f6f2;
  --color-warm: #f0ece4;
  --color-gold: #c9a962;
  --color-gold-light: #dfc88a;
  --color-gold-dark: #a88b4a;
  --color-text: #2c2c2c;
  --color-text-muted: #6b6b6b;
  --color-text-light: rgba(255, 255, 255, 0.75);
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Montserrat', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --navbar-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-cream);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
}

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

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

/* =============================================
   Navbar
   ============================================= */
.navbar {
  padding: 1rem 0;
  transition: background-color var(--transition), box-shadow var(--transition), padding var(--transition);
  background-color: transparent;
}

.navbar.scrolled {
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  padding: 0.6rem 0;
}

.nav-logo {
  height: 50px;
  width: auto;
  transition: transform var(--transition);
}

.nav-logo:hover {
  transform: scale(1.03);
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
  padding: 0.4rem 0.6rem;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85) !important;
  position: relative;
  padding: 0.5rem 0 !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: width var(--transition);
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold-light) !important;
}

/* =============================================
   Buttons
   ============================================= */
.btn-gold {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: var(--color-black);
  border: none;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: 0;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201, 169, 98, 0.35);
}

.btn-outline-light {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  transition: all var(--transition);
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

/* =============================================
   Hero
   ============================================= */
.hero-section {
  position: relative;
  min-height: 100vh;
  background: var(--color-black) url('https://images.unsplash.com/photo-1617038260897-41a1a14a8a03?w=1920&q=80') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 10, 10, 0.88) 0%,
    rgba(10, 10, 10, 0.65) 50%,
    rgba(10, 10, 10, 0.82) 100%
  );
}

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

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero-title em {
  font-style: italic;
  color: var(--color-gold-light);
}

.hero-lead {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--color-text-light);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-logo-wrap {
  position: relative;
  display: inline-block;
}

.hero-logo-wrap::before {
  content: '';
  position: absolute;
  inset: -20px;
  border: 1px solid rgba(201, 169, 98, 0.25);
  pointer-events: none;
}

.hero-logo {
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.5));
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-gold);
  font-size: 1.5rem;
  z-index: 2;
  animation: bounce 2s infinite;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.scroll-indicator:hover {
  opacity: 1;
  color: var(--color-gold-light);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* =============================================
   Sections
   ============================================= */
.section-padding {
  padding: 6rem 0;
}

.bg-dark-section {
  background-color: var(--color-dark);
  color: #fff;
}

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* =============================================
   Filosofía
   ============================================= */
.philosophy-image {
  position: relative;
  overflow: hidden;
}

.philosophy-image::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 60%;
  height: 60%;
  border: 1px solid var(--color-gold);
  z-index: -1;
}

.philosophy-image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter var(--transition);
}

.philosophy-image:hover img {
  filter: grayscale(0%);
}

.philosophy-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-text);
  border-left: 3px solid var(--color-gold);
  padding-left: 1.5rem;
  margin: 0;
}

.philosophy-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(201, 169, 98, 0.35);
  color: var(--color-gold);
  font-size: 1.2rem;
}

.feature-item h5 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

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

/* =============================================
   Timeline (Historia)
   ============================================= */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-gold), rgba(201, 169, 98, 0.2));
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  background-color: var(--color-gold);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--color-dark), 0 0 0 5px rgba(201, 169, 98, 0.4);
}

.timeline-era {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.timeline-content h4 {
  font-size: 1.5rem;
  color: #fff;
  margin: 0.5rem 0 1rem;
}

.timeline-content p {
  color: var(--color-text-light);
  margin: 0;
  font-size: 0.95rem;
}

/* =============================================
   Portfolio
   ============================================= */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid rgba(201, 169, 98, 0.4);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-black);
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  background-color: var(--color-dark);
}

.portfolio-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform 0.6s ease, filter var(--transition);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.92) 0%, rgba(10, 10, 10, 0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-card:hover img {
  transform: scale(1.08);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h5 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
  transform: translateY(15px);
  transition: transform var(--transition);
}

.portfolio-overlay p {
  color: var(--color-gold-light);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  transform: translateY(15px);
  transition: transform var(--transition);
  transition-delay: 0.05s;
}

.portfolio-overlay .btn {
  transform: translateY(15px);
  transition: transform var(--transition);
  transition-delay: 0.1s;
  align-self: flex-start;
}

.portfolio-card:hover .portfolio-overlay h5,
.portfolio-card:hover .portfolio-overlay p,
.portfolio-card:hover .portfolio-overlay .btn {
  transform: translateY(0);
}

.portfolio-item.hidden {
  display: none !important;
}

/* =============================================
   Contacto
   ============================================= */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-item i {
  font-size: 1.4rem;
  color: var(--color-gold);
  margin-top: 0.2rem;
}

.contact-item h6 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.35rem;
}

.contact-item a {
  color: #fff;
  font-size: 0.95rem;
}

.contact-item a:hover {
  color: var(--color-gold-light);
}

.contact-item p {
  color: var(--color-text-light);
  margin: 0;
  font-size: 0.95rem;
}

.contact-form .form-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.contact-form .form-control {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0;
  color: #fff;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  transition: border-color var(--transition), background-color var(--transition);
}

.contact-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.contact-form .form-control:focus {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-gold);
  box-shadow: 0 0 0 0.2rem rgba(201, 169, 98, 0.15);
  color: #fff;
}

/* =============================================
   Footer
   ============================================= */
.site-footer {
  background-color: var(--color-black);
  padding: 2.5rem 0;
  color: rgba(255, 255, 255, 0.5);
}

.footer-logo {
  height: 40px;
  width: auto;
  opacity: 0.85;
}

.footer-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.6);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.6);
  margin-left: 0.5rem;
  font-size: 1.1rem;
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

.footer-divider {
  border-color: rgba(255, 255, 255, 0.08);
  margin: 1.5rem 0;
}

.copyright {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.footer-creditos {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  padding-top: 0.75rem;
  text-align: center;
}

.footer-creditos-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 0.75rem;
}

.footer-creditos-link {
  display: inline-block;
}

.logo-tmdev {
  display: block;
  width: auto;
  max-width: 200px;
  height: auto;
  margin: 0 auto;
  opacity: 0.8;
  filter: brightness(0) invert(1);
  transition: opacity var(--transition);
}

.footer-creditos-link:hover .logo-tmdev {
  opacity: 1;
}

/* =============================================
   Modal
   ============================================= */
.modal-content {
  border: none;
  border-radius: 0;
  overflow: hidden;
}

.modal-header {
  background-color: var(--color-dark);
  color: #fff;
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
}

.modal-content .btn-close {
  filter: invert(1);
}

.modal-img {
  max-height: 450px;
  object-fit: cover;
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: rgba(10, 10, 10, 0.98);
    padding: 1.5rem;
    margin-top: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-link {
    padding: 0.75rem 0 !important;
  }

  .hero-section {
    text-align: center;
  }

  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .philosophy-image {
    margin-bottom: 2rem;
  }

  .section-padding {
    padding: 4rem 0;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-marker {
    left: -1.5rem;
  }
}

@media (max-width: 575.98px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.65rem;
  }
}