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

:root {
  --color-primary: #FF3B30;
  --color-text-light: #ffffff;
  --color-text-dark: #1a1a1a;
  --color-bg-dark: #0a0a0a;
  --color-bg-section: #141414;
  --color-gray: #888;
  --color-gray-light: #d1d1d1;
  --spacing-unit: 8px;

  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  font-weight: 400;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

@media (min-width: 768px) {
  .container {
    padding: 0 calc(var(--spacing-unit) * 6);
  }
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  padding: calc(var(--spacing-unit) * 2) 0;
  transition: all 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1.5);
  cursor: pointer;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.logo-img {
  width: 10%;
  object-fit: contain;
  object-position: center;
  transition: all 0.3s ease;
}

.logo-icon {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.logo-studio {
  color: var(--color-primary);
  margin-left: 2px;
}


/* NAV BASE */
.nav {
  display: flex;
  gap: calc(var(--spacing-unit) * 4);
}

.nav a {
  text-decoration: none;
  color: var(--color-text-light);
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
}

/* underline elegante */
.nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

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

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

.menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: calc(var(--spacing-unit) * 1);
  transition: transform 0.3s ease;
}

.menu-toggle:hover {
  transform: rotate(90deg);
}

.hamburger {
  display: block;
  width: 30px;
  height: 2px;
  background-color: var(--color-text-light);
  position: relative;
  transition: all 0.3s ease;
}


.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 2px;
  background-color: var(--color-text-light);
  transition: all 0.3s ease;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: calc(var(--spacing-unit) * 10);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
  position: relative;
  animation: pulseBackground 8s ease-in-out infinite;
  filter: brightness(60%);
}

.hero-image-placeholder::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(255, 59, 48, 0.1) 0%, transparent 70%);
  animation: rotateGlow 20s linear infinite;
}

@keyframes pulseBackground {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes rotateGlow {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 100%;
  margin-left: -500px;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--color-text-light);
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(1) {
  animation-delay: 0.1s;
}

.title-line:nth-child(2) {
  animation-delay: 0.2s;
}

.title-line:nth-child(3) {
  animation-delay: 0.3s;
}

.title-line:nth-child(4) {
  animation-delay: 0.4s;
}

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

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-light);
  margin-bottom: calc(var(--spacing-unit) * 4);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero-buttons {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.8s forwards;
}

.btn {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
  border-radius: calc(var(--spacing-unit) * 1);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn-primary:hover {
  background-color: #ff5047;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 59, 48, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-light);
  border: 2px solid var(--color-text-light);
}

.btn-secondary:hover {
  background-color: var(--color-text-light);
  color: var(--color-text-dark);
  transform: translateY(-2px);
}

.projects {
  padding: calc(var(--spacing-unit) * 12) 0;
  background-color: var(--color-bg-dark);
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 6);
  color: var(--color-text-light);
}

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

.project-filters {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  margin-bottom: calc(var(--spacing-unit) * 6);
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
  background-color: transparent;
  color: var(--color-text-light);
  border: 2px solid var(--color-gray);
  border-radius: calc(var(--spacing-unit) * 5);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 59, 48, 0.3), transparent);
  transition: left 0.5s ease;
}

.filter-btn:hover::before {
  left: 100%;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
}

.project-card {
  background-color: var(--color-bg-section);
  border-radius: calc(var(--spacing-unit) * 2);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s ease;
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 59, 48, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
  pointer-events: none;
}

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

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.project-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  position: relative;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-gray);
  transition: all 0.4s ease;
  overflow: hidden;
}

.project-card:hover .project-placeholder {
  transform: scale(1.1);
  background: linear-gradient(135deg, #3a3a3a 0%, #2a2a2a 100%);
}

.project-placeholder-image{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.gorra{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.project-info {
  padding: calc(var(--spacing-unit) * 3);
  position: relative;
  z-index: 2;
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 1);
  color: var(--color-text-light);
  transition: color 0.3s ease;
}

.project-card:hover .project-title {
  color: var(--color-primary);
}

.project-description {
  color: var(--color-gray-light);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.project-tag {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 2);
  background-color: rgba(255, 59, 48, 0.1);
  color: var(--color-primary);
  border-radius: calc(var(--spacing-unit) * 3);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--color-primary);
}

.services {
  padding: calc(var(--spacing-unit) * 12) 0;
  background-color: var(--color-text-light);
  color: var(--color-text-dark);
}

.services .section-title {
  color: var(--color-text-dark);
}

.services-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--spacing-unit) * 6);
}

@media (min-width: 1024px) {
  .services-content {
    grid-template-columns: 1fr 1fr;
  }
}

.services-left {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 4);
}

.service-item {
  display: flex;
  gap: calc(var(--spacing-unit) * 3);
  padding: calc(var(--spacing-unit) * 3);
  border-radius: calc(var(--spacing-unit) * 2);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
}

.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 59, 48, 0.05) 0%, transparent 100%);
  border-radius: calc(var(--spacing-unit) * 2);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-item:hover::before {
  opacity: 1;
}

.service-item:hover {
  transform: translateX(10px);
  background-color: rgba(255, 59, 48, 0.03);
}

.service-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border-radius: calc(var(--spacing-unit) * 1);
  transition: all 0.3s ease;
}

.service-item:hover .service-icon {
  transform: rotate(5deg) scale(1.1);
  box-shadow: 0 5px 15px rgba(255, 59, 48, 0.3);
}

.service-content {
  flex: 1;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 1);
  color: var(--color-text-dark);
  transition: color 0.3s ease;
}

.service-item:hover .service-title {
  color: var(--color-primary);
}

.service-subtitle {
  font-size: 0.875rem;
  color: var(--color-gray);
  margin-bottom: calc(var(--spacing-unit) * 1);
  font-weight: 600;
}

.service-description {
  color: var(--color-gray);
  line-height: 1.8;
}

.services-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.services-image-placeholder {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
  border-radius: calc(var(--spacing-unit) * 2);
  position: relative;
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}

.services-image-placeholder::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 59, 48, 0.1) 50%, transparent 70%);
  animation: shimmer 3s infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

.about {
  padding: calc(var(--spacing-unit) * 12) 0;
  background-color: var(--color-bg-section);
  text-align: center;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-text {
  font-size: 1.25rem;
  color: var(--color-gray-light);
  margin-bottom: calc(var(--spacing-unit) * 3);
  line-height: 1.8;
}

.about-highlight {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--color-primary), #ff7066);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.8;
}

.process {
  padding: calc(var(--spacing-unit) * 12) 0;
  background-color: var(--color-bg-dark);
  text-align: center;
}

.process-subtitle {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 6);
  margin-top: calc(var(--spacing-unit) * 8);
}

.step {
  position: relative;
  padding: calc(var(--spacing-unit) * 4);
  transition: transform 0.3s ease;
}

.step:hover {
  transform: translateY(-10px);
}

.step-number {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: calc(var(--spacing-unit) * 2);
  position: relative;
  display: inline-block;
  transition: all 0.3s ease;
}

.step:hover .step-number {
  transform: scale(1.2);
  text-shadow: 0 0 20px rgba(255, 59, 48, 0.5);
}

.step-number::before {
  content: attr(data-number);
  position: absolute;
  top: 0;
  left: 0;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 59, 48, 0.3);
  z-index: -1;
  transform: translate(-5px, 5px);
}

.step-description {
  color: var(--color-gray-light);
  line-height: 1.8;
}

.contact {
  padding: calc(var(--spacing-unit) * 12) 0;
  background-color: var(--color-text-light);
  text-align: center;
  color: var(--color-text-dark);
}

.contact-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--color-text-dark);
}

.contact-text {
  font-size: 1.125rem;
  color: var(--color-gray);
  margin-bottom: calc(var(--spacing-unit) * 4);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.footer {
  padding: calc(var(--spacing-unit) * 6) 0;
  background-color: var(--color-bg-dark);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
}

.footer-text {
  color: var(--color-gray);
  font-size: 0.875rem;
}

.project-card.hidden {
  display: none;
}

@media (max-width: 768px) {
  .hero {
    padding-top: calc(var(--spacing-unit) * 8);
  }

  .hero-title {
    font-size: 3rem;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }
}