/* ============================================================
   BLACK SHEEP — PREMIUM DARK SPORT CSS
   Color palette: Black / White / Gray accent
   ============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #141414;
  --bg-card: #1a1a1a;

  --accent: #ffffff;
  --accent-dim: rgba(255, 255, 255, 0.08);
  --accent-border: rgba(255, 255, 255, 0.12);
  --accent-glow: rgba(255, 255, 255, 0.15);

  --text-primary: #ffffff;
  --text-secondary: #d4d4d4;
  --text-tertiary: #888888;
  --text-muted: #555555;

  --success: #22c55e;
  --warning: #f59e0b;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(255, 255, 255, 0.08);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --nav-height: 80px;
  --container: 1280px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

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

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

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- PARTICLES ---------- */
.particles-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  animation: float-particle 20s infinite ease-in-out;
  will-change: transform, opacity;
}

@keyframes float-particle {

  0%,
  100% {
    transform: translate(0, 0);
    opacity: 0.3;
  }

  25% {
    transform: translate(60px, -80px);
    opacity: 0.7;
  }

  50% {
    transform: translate(-40px, -160px);
    opacity: 0.5;
  }

  75% {
    transform: translate(-80px, -80px);
    opacity: 0.7;
  }
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--accent-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  padding: 14px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  background: var(--accent);
  color: var(--bg-primary) !important;
  font-weight: 700;
  border-radius: var(--radius-full);
  padding: 10px 22px;
  transition: all var(--transition-fast) !important;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: #e0e0e0;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

/* Mobile toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-toggle.open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu overlay */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.mobile-nav-link {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--accent);
}

.mobile-nav-cta {
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 12px 32px;
  border-radius: var(--radius-full);
  font-size: 1.2rem;
}

/* ---------- BUTTONS ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--accent);
  color: var(--bg-primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  animation: pulse-glow 3s ease-in-out infinite;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5), 0 8px 30px rgba(255, 255, 255, 0.25);
  animation: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: transparent;
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-lg {
  padding: 20px 40px;
  font-size: 1.1rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3), 0 4px 20px rgba(255, 255, 255, 0.15);
  }

  50% {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.6), 0 8px 40px rgba(255, 255, 255, 0.3);
  }
}

/* ---------- GLASS CARD ---------- */
.glass-card {
  background: linear-gradient(135deg,
      rgba(255, 255, 255, 0.06) 0%,
      rgba(255, 255, 255, 0.03) 50%,
      rgba(255, 255, 255, 0.06) 100%);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all var(--transition-base);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 255, 255, 0.05);
  transform: translateY(-4px);
}

/* ---------- SECTION COMMON ---------- */
.section {
  padding: 120px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-tertiary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.text-accent {
  color: var(--accent);
  position: relative;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(255, 255, 255, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-noise {
  position: absolute;
  inset: 0;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 80px;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  margin-bottom: 28px;
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(1.4);
  }
}

.hero-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
  opacity: 0;
}

.hero-title-accent {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, #fff 0%, #aaa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-tertiary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
  opacity: 0;
}

.hero-subtitle strong {
  color: var(--text-secondary);
  font-weight: 600;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: scale-in 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.4s forwards;
  opacity: 0;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
  opacity: 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in-rotate 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
  opacity: 0;
}

.hero-glow-ring {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.06);
  animation: spin-slow 20s linear infinite;
}

.hero-glow-ring--2 {
  width: 380px;
  height: 380px;
  border-color: rgba(255, 255, 255, 0.08);
  animation-direction: reverse;
  animation-duration: 15s;
}

@keyframes spin-slow {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.hero-image {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  animation: float 6s ease-in-out infinite;
  filter: contrast(1.1) brightness(1.05);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(255, 255, 255, 0.04);
  position: relative;
  z-index: 2;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  25% {
    transform: translateY(-16px) rotate(1deg);
  }

  50% {
    transform: translateY(-8px) rotate(-1deg);
  }

  75% {
    transform: translateY(-24px) rotate(0.5deg);
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 44px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-indicator-inner {
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 2px;
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {

  0%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }

  50% {
    transform: translateY(12px);
    opacity: 1;
  }
}

/* ---------- ANIMATION KEYFRAMES ---------- */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.8);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fade-in-rotate {
  from {
    opacity: 0;
    transform: perspective(1000px) rotateY(15deg) translateX(40px);
  }

  to {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg) translateX(0);
  }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ---------- BRANDS SECTION ---------- */
.brands-section {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.01);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.brands-label {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
}

.brands-track {
  overflow: hidden;
}

.brands-list {
  display: flex;
  gap: 56px;
  align-items: center;
  width: max-content;
  animation: brands-scroll 20s linear infinite;
}

.brand-item {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color var(--transition-fast);
  cursor: default;
}

.brand-item:hover {
  color: var(--text-primary);
}

@keyframes brands-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

/* ---------- SERVICES / PRODUCTS GRID ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ---------- FLIP CARDS ---------- */
.service-card-flip {
  height: 380px;
  perspective: 1200px;
  cursor: pointer;
}

.service-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
}

.service-card-front,
.service-card-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card-front {
  background: var(--bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.service-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0, 0.2, 1), filter 0.6s cubic-bezier(0.2, 0, 0.2, 1);
  filter: brightness(0.85) contrast(1.1);
}

.service-card-flip:hover .service-image,
.service-card-flip.flipped .service-image {
  transform: scale(1.08);
  filter: brightness(0.35) contrast(1.1);
}

.service-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: opacity 0.5s ease;
}

.service-card-flip:hover .service-overlay,
.service-card-flip.flipped .service-overlay {
  opacity: 0;
}

.service-icon-front {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.service-title-front {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

/* Card Back */
.service-card-back {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
  gap: 12px;
  opacity: 0;
  background: transparent;
  transition: opacity 0.5s cubic-bezier(0.2, 0, 0.2, 1);
  z-index: 10;
}

.service-card-flip:hover .service-card-back,
.service-card-flip.flipped .service-card-back {
  opacity: 1;
}

.service-icon-back {
  font-size: 2.4rem;
}

.service-title-back {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.service-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.feature-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.card-cta-btn {
  display: inline-block;
  margin-top: 8px;
  padding: 10px 20px;
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
}

.card-cta-btn:hover {
  background: #e0e0e0;
  transform: translateY(-1px);
}

/* ---------- SERVICES SECTION ---------- */
.section-services {
  background: var(--bg-secondary);
}

.services-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.feature-card {
  padding: 32px 24px;
  position: relative;
}

.feature-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3.5rem;
  color: rgba(255, 255, 255, 0.04);
  position: absolute;
  top: 16px;
  right: 24px;
  line-height: 1;
  user-select: none;
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.feature-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.feature-card--highlight {
  border-color: rgba(255, 255, 255, 0.25);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.04) 100%);
}

.card-badge-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 4px 14px;
  border-radius: var(--radius-full);
}

/* Service CTA Banner */
.service-cta-banner {
  padding: 0;
  overflow: hidden;
}

.service-banner-content {
  display: grid;
  grid-template-columns: 360px 1fr;
  align-items: center;
  gap: 0;
}

.service-banner-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  filter: brightness(0.8) grayscale(0.2);
}

.service-banner-text {
  padding: 40px 48px;
}

.service-banner-text h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-banner-text p {
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

/* ---------- GALLERY ---------- */
.section-gallery {
  background: var(--bg-primary);
}

.gallery-filter {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-tertiary);
  background: transparent;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-primary);
}

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

/* Masonry grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 280px;
  gap: 20px;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  min-height: 250px;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.gallery-item:hover {
  transform: scale(1.05);
  z-index: 5;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.gallery-item.hidden {
  display: none;
}

.gallery-item--tall {
  grid-row: span 2;
}

.gallery-item--wide {
  grid-column: span 2;
}

/* Colored placeholders for gallery */
.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.gp-1 {
  background: linear-gradient(135deg, #1a1a1a, #333);
}

.gp-2 {
  background: linear-gradient(135deg, #111, #2a2a2a);
}

.gp-3 {
  background: linear-gradient(135deg, #0d0d0d, #1f1f1f);
}

.gp-4 {
  background: linear-gradient(135deg, #1e1e1e, #3a3a3a);
}

.gp-5 {
  background: linear-gradient(135deg, #161616, #2c2c2c);
}

.gp-6 {
  background: linear-gradient(135deg, #0f0f0f, #252525);
}

.gp-7 {
  background: linear-gradient(135deg, #191919, #303030);
}

.gp-8 {
  background: linear-gradient(135deg, #121212, #222222);
}

.gallery-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
}

.gp-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
  text-align: center;
}

.gp-content-image-overlay {
  display: none;
  /* Hide placeholder text if real image is present */
}

.gp-icon {
  font-size: 2.5rem;
  opacity: 0.7;
}

.gp-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.05em;
}

.gallery-caption {
  display: none !important;
}

.gallery-cta {
  text-align: center;
  margin-top: 48px;
}

/* ---------- TESTIMONIALS ---------- */
.section-testimonials {
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
}

.stars {
  font-size: 1.1rem;
  color: var(--warning);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 24px;
  position: relative;
}

.testimonial-text::before {
  content: '"';
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 4rem;
  color: rgba(255, 255, 255, 0.08);
  position: absolute;
  top: -20px;
  left: -8px;
  line-height: 1;
  font-weight: 800;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.author-info strong {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- ABOUT ---------- */
.section-about {
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.about-logo-container {
  position: relative;
  width: 260px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-glow-ring {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: spin-slow 8s linear infinite;
}

.about-logo {
  width: 200px;
  height: 200px;
  object-fit: contain;
  animation: float 8s ease-in-out infinite;
}

.about-stats-sidebar {
  display: flex;
  gap: 32px;
}

.sidebar-stat {
  text-align: center;
}

.sidebar-num {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.2rem;
  color: var(--text-primary);
}

.sidebar-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about-content {}

.about-text {
  font-size: 1rem;
  color: var(--text-tertiary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.value-icon {
  font-size: 1.2rem;
}

/* ---------- COLABORADORES / ALIANZAS ---------- */
.oa-colab-section {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.oa-section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
}

.oa-section-tag {
  color: #22c55e;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  display: block;
}

.oa-section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--text-primary);
}

.oa-colab-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 32px;
  margin-top: 40px;
}

.oa-colab-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 20px 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 320px;
  width: 100%;
  height: 140px;
  transition: all 0.3s ease;
  text-decoration: none;
  cursor: pointer;
}

.oa-colab-card:hover {
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-4px);
}

.oa-colab-img {
  max-width: 100%;
  max-height: 100px;
  object-fit: contain;
  filter: grayscale(30%);
  transition: filter 0.3s ease;
}

.oa-colab-card:hover .oa-colab-img {
  filter: grayscale(0%);
}

/* ---------- CTA FINAL ---------- */
.section-cta-final {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-final-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.cta-final-content {
  position: relative;
  z-index: 1;
}

.cta-final-badge {
  font-size: 2.5rem;
  margin-bottom: 24px;
  display: block;
  animation: float 4s ease-in-out infinite;
}

.cta-final-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.cta-final-subtitle {
  font-size: 1.1rem;
  color: var(--text-tertiary);
  max-width: 520px;
  margin: 0 auto 48px;
}

.cta-final-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- CONTACT ---------- */
.section-contact {
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 8px;
}

.contact-method {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-method>div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.contact-method strong {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.contact-method span {
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

.contact-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 1px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  width: fit-content;
}

.contact-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.contact-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Contact Form */
.contact-form {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.contact-form select {
  cursor: pointer;
}

.contact-form select option {
  background: #1a1a1a;
  color: var(--text-primary);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 80px 0 32px;
  position: relative;
  z-index: 1;
}

.footer-top-line {
  height: 1px;
  width: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
  margin-bottom: -1px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand {}

.footer-logo {
  height: 56px;
  object-fit: contain;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.social-btn:hover {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.footer-col {}

.footer-col-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copyright,
.footer-made {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- WHATSAPP FLOAT ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 500;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  animation: float 3s ease-in-out infinite;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.1) !important;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* ---------- RESPONSIVE ---------- */

/* Tablet */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

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

  .about-grid {
    gap: 48px;
  }

  .service-banner-content {
    grid-template-columns: 280px 1fr;
  }
}

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-content {
    order: 2;
  }

  .hero-visual {
    order: 1;
    max-width: 460px;
    margin: 0 auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

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

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

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

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

  .mobile-menu-toggle {
    display: flex;
  }

  .section {
    padding: 80px 0;
  }

  .hero-container {
    padding-top: 20px;
  }

  .hero-image {
    max-width: 320px;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-title-accent {
    font-size: 4rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

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

  .services-feature-grid {
    grid-template-columns: 1fr;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .gallery-item--tall {
    grid-row: auto;
  }

  .gallery-item--wide {
    grid-column: span 2;
  }

  .service-card-flip {
    height: 340px;
  }

  .service-banner-content {
    grid-template-columns: 1fr;
  }

  .service-banner-img {
    height: 200px;
  }

  .cta-final-title {
    font-size: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
  }

  .particle:nth-child(n+20) {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    text-align: center;
    justify-content: center;
  }

  .cta-final-buttons {
    flex-direction: column;
    align-items: center;
  }

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

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

  .gallery-item--wide {
    grid-column: auto;
  }
}

/* ============================================================
   CONTACT FORM — VALIDACIÓN & NUEVOS CAMPOS
   ============================================================ */

/* Asterisco requerido */
.required-star {
  color: #ef4444;
  margin-left: 2px;
}

/* Mensaje de error por campo */
.field-error {
  display: block;
  font-size: 0.78rem;
  color: #f87171;
  margin-top: 5px;
  min-height: 1.1em;
  transition: opacity 0.2s ease;
}

/* Footer del textarea: error + contador en misma fila */
.message-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 5px;
}

/* Contador de caracteres */
.char-counter {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color 0.2s ease;
  flex-shrink: 0;
}

.char-counter--warn {
  color: #f59e0b;
}

.char-counter--limit {
  color: #ef4444;
  font-weight: 700;
}

/* Estado válido del campo */
.form-group.field--valid input,
.form-group.field--valid textarea {
  border-color: rgba(34, 197, 94, 0.5) !important;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.1);
}

/* Estado inválido del campo */
.form-group.field--invalid input,
.form-group.field--invalid textarea {
  border-color: rgba(239, 68, 68, 0.6) !important;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

/* Alertas generales del formulario */
.form-alert {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.9rem;
  line-height: 1.5;
  animation: alert-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-alert[hidden] {
  display: none;
}

@keyframes alert-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.form-alert--success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #86efac;
}

.form-alert--success strong {
  color: #4ade80;
}

.form-alert--error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.form-alert--error strong {
  color: #f87171;
}

.form-alert-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.form-alert p {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.85;
}

/* Spinner del botón */
.btn-spinner {
  animation: none;
}

.btn-spinner.spinning {
  animation: spin-btn 0.8s linear infinite;
}

@keyframes spin-btn {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}