/* =========================================
   Rampach — Variables
========================================= */
:root {
  --yellow: #ffc72c;
  --yellow-dark: #e6ab00;
  --black: #0d0d0d;
  --dark: #161616;
  --dark-soft: #222;
  --gray-100: #f4f4f4;
  --gray-200: #ececec;
  --gray-600: #555;
  --text: #1c1c1c;
  --white: #fff;
  --radius: 6px;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 45px rgba(0,0,0,.18);
  --transition: .35s cubic-bezier(.4,0,.2,1);
  --header-h: 84px;
  --header-h-scrolled: 62px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: .5px;
  line-height: 1.15;
}

/* =========================================
   Buttons
========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .5px;
  text-transform: uppercase;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--yellow);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(255,199,44,.35);
}

.btn-outline {
  border-color: rgba(255,255,255,.5);
  color: var(--white);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* =========================================
   Header
========================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(13,13,13,.92);
  backdrop-filter: blur(6px);
  transition: height var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  height: var(--header-h-scrolled);
  box-shadow: 0 4px 20px rgba(0,0,0,.35);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.logo-img {
  height: 42px;
  width: auto;
}

.main-nav ul {
  display: flex;
  gap: 32px;
}

.nav-link {
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 2px;
  background: var(--yellow);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--yellow);
  font-weight: 700;
  font-size: .9rem;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition);
}

/* =========================================
   Hero
========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: -10% -5%;
  width: 110%;
  height: 120%;
  z-index: 0;
  will-change: transform;
}
.hero-bg svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(5,5,5,.94) 0%, rgba(5,5,5,.8) 40%, rgba(5,5,5,.55) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--header-h);
  max-width: 780px;
}

.hero-eyebrow {
  color: var(--yellow);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 2px;
  font-size: .85rem;
  margin-bottom: 18px;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  margin-bottom: 22px;
}

.hero-sub {
  color: rgba(255,255,255,.75);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--yellow);
  animation: bounce 2s infinite;
  z-index: 1;
}

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

/* =========================================
   Sections
========================================= */
.section {
  padding: 110px 0;
}

.section-alt { background: var(--gray-100); }

.section-dark {
  background: var(--black);
  color: var(--white);
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.eyebrow {
  display: inline-block;
  color: var(--yellow-dark);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 2px;
  font-size: .85rem;
  margin-bottom: 14px;
}

.section-dark .eyebrow { color: var(--yellow); }

.section-head h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  text-transform: uppercase;
}

/* Nosotros */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 50px;
}

.about-text p { margin-bottom: 20px; color: var(--gray-600); }

.about-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.value-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.value-icon {
  width: 52px;
  height: 52px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.value-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.value-card p { color: var(--gray-600); font-size: .92rem; }

/* Cards grid (servicios / productos) */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card, .product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.product-card p { color: rgba(255,255,255,.65); }

.service-card:hover, .product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.service-card:hover .card-media img,
.product-card:hover .card-media img {
  transform: scale(1.06);
}

.card-body { padding: 30px 28px 34px; }

.card-icon {
  width: 58px;
  height: 58px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.card-icon--dark {
  background: rgba(255,199,44,.12);
}

.service-card h3, .product-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.service-card p { color: var(--gray-600); font-size: .95rem; }

/* Brands banner */
.brands-banner {
  background: var(--yellow);
  padding: 26px 0;
  text-align: center;
}
.brands-banner p {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1.1rem;
  color: var(--black);
}
.brands-banner span { color: var(--dark); text-decoration: underline; }

/* Filosofia */
.philosophy-lead {
  text-align: center;
  max-width: 780px;
  margin: -20px auto 50px;
  color: rgba(255,255,255,.75);
  font-size: 1.05rem;
}

.philosophy-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 50px;
}

.philosophy-img { border-radius: var(--radius); overflow: hidden; }
.philosophy-img img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.values-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
}

.value-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  padding: 16px 26px;
  border-radius: 50px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: .9rem;
  letter-spacing: .5px;
  transition: background var(--transition), transform var(--transition);
}
.value-pill:hover {
  background: rgba(255,199,44,.15);
  transform: translateY(-3px);
}

.pill-icon {
  width: 34px;
  height: 34px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Contacto */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--yellow);
}
.contact-card .card-icon { margin: 0 auto 18px; }
.contact-card h3 { font-size: 1rem; text-transform: uppercase; margin-bottom: 8px; }
.contact-card p { color: var(--gray-600); font-size: .92rem; }

/* =========================================
   Footer
========================================= */
.site-footer {
  background: var(--black);
  color: rgba(255,255,255,.7);
  padding-top: 70px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand p { margin-top: 16px; max-width: 320px; font-size: .92rem; }

.footer-links h4, .footer-contact h4 {
  color: var(--white);
  text-transform: uppercase;
  font-size: .95rem;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.footer-links ul li { margin-bottom: 10px; }
.footer-links a { font-size: .92rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--yellow); }

.footer-contact p { margin-bottom: 10px; font-size: .92rem; }
.footer-contact a:hover { color: var(--yellow); }

.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: .82rem;
}

/* =========================================
   Floating buttons
========================================= */
.float-btn {
  position: fixed;
  right: 26px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  z-index: 900;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
}

.whatsapp-btn {
  bottom: 26px;
  background: #25D366;
  color: var(--white);
}
.whatsapp-btn:hover { transform: scale(1.08); }

.top-btn {
  bottom: 92px;
  background: var(--yellow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}
.top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.top-btn:hover { background: var(--yellow-dark); }

/* =========================================
   Scroll reveal animation
========================================= */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.cards-grid .reveal:nth-child(2) { transition-delay: .12s; }
.cards-grid .reveal:nth-child(3) { transition-delay: .24s; }
.about-values .value-card:nth-child(2) { transition-delay: .08s; }
.about-values .value-card:nth-child(3) { transition-delay: .16s; }
.about-values .value-card:nth-child(4) { transition-delay: .24s; }
.values-row .value-pill:nth-child(2) { transition-delay: .1s; }
.values-row .value-pill:nth-child(3) { transition-delay: .2s; }
.values-row .value-pill:nth-child(4) { transition-delay: .3s; }
.contact-grid .reveal:nth-child(2) { transition-delay: .1s; }
.contact-grid .reveal:nth-child(3) { transition-delay: .2s; }
.contact-grid .reveal:nth-child(4) { transition-delay: .3s; }

/* =========================================
   Responsive
========================================= */
@media (max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--black);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
    z-index: 999;
  }
  .main-nav.open { max-height: 400px; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 10px 24px 20px;
  }
  .main-nav li { border-bottom: 1px solid rgba(255,255,255,.08); }
  .main-nav a { display: block; padding: 16px 0; }

  .header-phone span { display: none; }

  .about-values { grid-template-columns: 1fr 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 80px 0; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .about-values { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .philosophy-media { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; }
}