/* ============================================
   TRES FILOS — Landing Page Styles
   ============================================ */

/* --- Custom Properties --- */
:root {
  --bg-deep: #0f1014;
  --bg-section: #141519;
  --bg-card: #1a1b21;
  --bg-card-hover: #22232b;
  --copper: #b88c50;
  --copper-light: #d4a962;
  --copper-dark: #8a6a3c;
  --gold: #c9a84c;
  --text: #e8e4dd;
  --text-muted: #9a9590;
  --text-dim: #5a5650;
  --font-display: 'Cinzel', serif;
  --font-body: 'Raleway', sans-serif;
  --font-accent: 'Playfair Display', serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--copper-dark) var(--bg-deep);
}

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

a {
  color: var(--copper-light);
  text-decoration: none;
  transition: color 0.3s;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Particles --- */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--copper);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
  10% {
    opacity: 0.6;
    transform: scale(1);
  }
  90% {
    opacity: 0.2;
  }
  100% {
    opacity: 0;
    transform: translateY(-100vh) scale(0);
  }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  transition: all 0.4s var(--ease-out);
}

.nav--scrolled {
  background: rgba(15, 16, 20, 0.92);
  backdrop-filter: blur(20px);
  padding: 1rem 3rem;
  border-bottom: 1px solid rgba(184, 140, 80, 0.1);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--copper-light);
}

.nav__icon {
  width: 32px;
  height: 32px;
  color: var(--copper);
}

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

.nav__links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding-bottom: 4px;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--copper);
  transition: width 0.3s var(--ease-out);
}

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

.nav__links a:hover::after {
  width: 100%;
}

.nav__menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__menu span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--copper);
  transition: all 0.3s;
}

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

.hero__mountains {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__mountain {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60%;
}

.hero__mountain--back {
  animation: mountainParallax 20s ease-in-out infinite alternate;
}

.hero__mountain--mid {
  animation: mountainParallax 15s ease-in-out infinite alternate-reverse;
}

.hero__mountain--front {
  animation: mountainParallax 25s ease-in-out infinite alternate;
}

@keyframes mountainParallax {
  0% { transform: translateX(-2%); }
  100% { transform: translateX(2%); }
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.hero__logo {
  margin-bottom: 2.5rem;
  display: flex;
  justify-content: center;
}

.hero__logo-img {
  width: clamp(260px, 40vw, 420px);
  height: auto;
  filter: drop-shadow(0 10px 40px rgba(184, 140, 80, 0.2))
          drop-shadow(0 0 80px rgba(184, 140, 80, 0.08));
  animation: logoFloat 5s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero__tagline {
  font-family: var(--font-accent);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-style: italic;
  font-weight: 400;
  color: var(--copper-light);
  margin-bottom: 0.5rem;
}

.hero__sub {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 3rem;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  border: 1px solid var(--copper-dark);
  color: var(--copper-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.hero__cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--copper);
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-out);
  z-index: -1;
}

.hero__cta:hover {
  color: var(--bg-deep);
  border-color: var(--copper);
}

.hero__cta:hover::before {
  transform: translateY(0);
}

.hero__cta svg {
  animation: bounceDown 2s ease-in-out infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--copper), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(0.6); }
}

/* --- Sections --- */
.section {
  padding: 8rem 0;
  position: relative;
}

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

.section--cervezas {
  background: var(--bg-deep);
}

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

.section--contacto {
  background: var(--bg-deep);
}

.section__header {
  margin-bottom: 4rem;
}

.section__number {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--copper-dark);
  margin-bottom: 1rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.section__line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--copper), var(--copper-dark));
}

.section__intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 4rem;
}

/* --- Origen --- */
.origen__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: start;
}

.origen__text p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.origen__lead {
  font-family: var(--font-accent);
  font-size: 1.4rem !important;
  font-style: italic;
  color: var(--copper-light) !important;
  line-height: 1.6;
  border-left: 2px solid var(--copper-dark);
  padding-left: 1.5rem;
  margin-bottom: 2rem !important;
}

.origen__stats {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(184, 140, 80, 0.1);
  position: relative;
}

.origen__stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--copper), transparent);
}

.stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem;
}

.stat__number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--copper-light);
  line-height: 1;
}

.stat__unit {
  font-size: 1rem;
  color: var(--copper-dark);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.stat__label {
  width: 100%;
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* --- Cervezas --- */
.cervezas__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: start;
}

.cerveza {
  background: var(--bg-card);
  border: 1px solid rgba(184, 140, 80, 0.08);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.5s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.cerveza::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--copper), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.cerveza:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: rgba(184, 140, 80, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(184, 140, 80, 0.05);
}

.cerveza:hover::before {
  opacity: 1;
}

.cerveza--featured {
  border-color: rgba(184, 140, 80, 0.2);
  background: linear-gradient(180deg, rgba(184, 140, 80, 0.05), var(--bg-card));
}

.cerveza__badge-tag {
  position: absolute;
  top: 1rem;
  right: -2rem;
  background: var(--copper);
  color: var(--bg-deep);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.3rem 2.5rem;
  transform: rotate(45deg);
}

.cerveza__visual {
  position: relative;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.cerveza__circle {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.15;
  animation: circleGlow 4s ease-in-out infinite alternate;
}

.cerveza__circle--golden { background: #d4a962; }
.cerveza__circle--amber { background: #c47d2e; }
.cerveza__circle--dark { background: #5a3a1a; }

@keyframes circleGlow {
  0% { opacity: 0.1; transform: scale(0.9); }
  100% { opacity: 0.2; transform: scale(1.1); }
}

.cerveza__icon {
  width: 60px;
  height: 90px;
  color: var(--copper);
  position: relative;
  z-index: 1;
}

.cerveza__style {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--copper-dark);
  margin-bottom: 0.5rem;
}

.cerveza__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.cerveza__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.cerveza__details {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(184, 140, 80, 0.1);
}

.cerveza__abv,
.cerveza__ibu {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--copper);
}

/* --- Proceso --- */
.proceso__timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.proceso__timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 32px;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, var(--copper-dark), transparent);
}

.proceso__step {
  display: flex;
  gap: 2.5rem;
  padding: 2rem 0;
  position: relative;
}

.proceso__icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  border: 1px solid rgba(184, 140, 80, 0.15);
  position: relative;
  z-index: 1;
}

.proceso__icon svg {
  width: 36px;
  height: 36px;
}

.proceso__content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--copper-light);
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}

.proceso__content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- Quote --- */
.quote-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--bg-deep), var(--bg-section));
  text-align: center;
}

.quote {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-top: 2rem;
}

.quote__mark {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
}

.quote p {
  font-family: var(--font-accent);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-style: italic;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.quote footer {
  font-size: 0.8rem;
  color: var(--copper-dark);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* --- Contacto --- */
.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contacto__item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  align-items: flex-start;
}

.contacto__item svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.contacto__item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text);
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.contacto__item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- WhatsApp Links --- */
.contacto__whatsapp {
  margin-top: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(184, 140, 80, 0.08);
}

.contacto__wa-title {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.contacto__wa-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contacto__wa-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.2rem;
  background: rgba(37, 211, 102, 0.06);
  border: 1px solid rgba(37, 211, 102, 0.15);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  transition: all 0.3s var(--ease-out);
  width: fit-content;
}

.contacto__wa-link svg {
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}

.contacto__wa-link:hover {
  background: rgba(37, 211, 102, 0.12);
  border-color: rgba(37, 211, 102, 0.3);
  color: var(--text);
  transform: translateX(4px);
}

.contacto__wa-link:hover svg {
  fill: #25d366;
  transform: scale(1.1);
}

/* --- Contact Form --- */
.contacto__form-wrap {
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(184, 140, 80, 0.08);
}

.contacto__form-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--copper-light);
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}

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

.form__group {
  position: relative;
}

.form__input {
  width: 100%;
  padding: 1rem 0;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(184, 140, 80, 0.15);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s;
}

.form__input:focus {
  border-bottom-color: var(--copper);
}

.form__label {
  position: absolute;
  top: 1rem;
  left: 0;
  font-size: 0.9rem;
  color: var(--text-dim);
  pointer-events: none;
  transition: all 0.3s var(--ease-out);
}

.form__input:focus ~ .form__label,
.form__input:not(:placeholder-shown) ~ .form__label {
  top: -0.6rem;
  font-size: 0.7rem;
  color: var(--copper);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  background: none;
  border: 1px solid var(--copper-dark);
  color: var(--copper-light);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
  align-self: flex-start;
  margin-top: 0.5rem;
}

.form__submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--copper);
  transform: translateX(-101%);
  transition: transform 0.4s var(--ease-out);
  z-index: -1;
}

.form__submit:hover {
  color: var(--bg-deep);
  border-color: var(--copper);
}

.form__submit:hover::before {
  transform: translateX(0);
}

.form__feedback {
  margin-top: 1rem;
  font-size: 0.85rem;
  min-height: 1.5em;
}

.form__feedback--success {
  color: #4ade80;
}

.form__feedback--error {
  color: #f87171;
}

/* --- Footer --- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid rgba(184, 140, 80, 0.08);
  background: var(--bg-deep);
}

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

.footer__logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--copper);
}

.footer__tagline {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

.footer__legal {
  text-align: right;
}

.footer__legal p {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.footer__warning {
  margin-top: 0.5rem;
  font-size: 0.7rem !important;
  color: var(--text-dim);
  opacity: 0.6;
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal--delay-1 { transition-delay: 0.15s; }
.reveal--delay-2 { transition-delay: 0.3s; }
.reveal--delay-3 { transition-delay: 0.45s; }
.reveal--delay-4 { transition-delay: 0.6s; }
.reveal--delay-5 { transition-delay: 0.75s; }

/* --- Responsive --- */
@media (max-width: 968px) {
  .nav__links {
    display: none;
  }

  .nav__menu {
    display: flex;
  }

  .origen__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .cervezas__grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin: 0 auto;
  }

  .cerveza--featured {
    order: -1;
  }

  .contacto__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 640px) {
  .nav {
    padding: 1rem 1.5rem;
  }

  .section {
    padding: 5rem 0;
  }

  .hero__title-line {
    letter-spacing: 0.04em;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .footer__legal {
    text-align: center;
  }

  .proceso__timeline::before {
    left: 28px;
  }

  .proceso__step {
    gap: 1.5rem;
  }

  .proceso__icon {
    width: 56px;
    height: 56px;
  }
}