/* ============================================================================
   Daniel Del Mar - Food Styling Portfolio
   Pure CSS Foundation
   ============================================================================ */

/* ============================================================================
   1. CSS RESET & BASE STYLES
   ============================================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: "Ubuntu", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* ============================================================================
   2. CSS CUSTOM PROPERTIES (Variables)
   ============================================================================ */

:root {
  /* Colors */
  --color-primary: #F7ECE1;
  --color-secondary: #FFD8B0;
  --color-accent: #D4A574;
  --color-light: #f5f5f5;
  --color-white: #ffffff;
  --color-text: #000000;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  --color-bg: #fafafa;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-ubuntu: "Ubuntu", sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

  /* Z-index */
  --z-dropdown: 1000;
  --z-modal: 1050;
}

/* ============================================================================
   3. TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-ubuntu);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -1px;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

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

a:hover {
  color: var(--color-text);
  text-decoration: underline;
}

/* ============================================================================
   4. UTILITY CLASSES
   ============================================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-sm {
  max-width: 800px;
}

.container-md {
  max-width: 1000px;
}

.container-lg {
  max-width: 1400px;
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

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

.flex-column {
  display: flex;
  flex-direction: column;
}

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

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* Grid Utilities */
.grid {
  display: grid;
}

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

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

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Spacing Utilities */
.m-0 { margin: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Display Utilities */
.hidden { display: none; }
.visible { display: block; }
.invisible { visibility: hidden; }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

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

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-normal { font-weight: 400; }

.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

.line-clamp-1 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.line-clamp-2 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.line-clamp-3 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

/* ============================================================================
   5. COMPONENTS
   ============================================================================ */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
}

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-title {
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.card-text {
  color: var(--color-text);
  font-size: 0.95rem;
}

/* Portfolio Cards */
.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  aspect-ratio: 1 / 1;
}

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

.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Carousel */
.carousel-container {
  width: 100%;
  position: relative;
  background-color: #ffffff;
}

.carousel {
  position: relative;
  width: 100%;
  max-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  overflow: hidden;
}

.carousel-slide {
  display: none;
  width: 100%;
}

.carousel-slide.active {
  display: flex;
}

.carousel-content {
  display: flex;
  width: 100%;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
}

.carousel-image {
  flex: 1;
  max-width: 50%;
  max-height: 70vh;
  width: auto;
  height: auto;
  display: block;
}

.carousel-text {
  flex: 1;
  max-width: 50%;
  padding: var(--spacing-lg);
}

.carousel-text h2 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
  font-weight: 700;
}

.carousel-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #4a4a4a;
}

/* About Section */
.about-section {
  padding: var(--spacing-2xl) 0;
  /* background-image: url('../images/DDM-foodstyling-18.png');
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  overflow-x: hidden; */
}

.about-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.about-text {
  flex: 1;
}

.about-text h2 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-accent);
}

.about-text p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  line-height: 1.8;
  font-size: 1.05rem;
}

.about-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-img {
  max-width: 100%;
  width: 350px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.fade {
  animation: fade 1s ease-in-out;
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.7);
  color: #000;
  border: none;
  padding: var(--spacing-md) var(--spacing-sm);
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  z-index: 10;
  user-select: none;
}

.carousel-btn:hover {
  background-color: rgba(255, 255, 255, 0.95);
  transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
  left: var(--spacing-lg);
}

.carousel-next {
  right: var(--spacing-lg);
}

.carousel-indicators {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--transition-base);
}

.indicator.active {
  background-color: var(--color-secondary);
  width: 32px;
  border-radius: 6px;
}

.indicator:hover {
  background-color: rgba(255, 255, 255, 0.8);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
}

.form-label {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
  font-size: 0.95rem;
}

.form-input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-base);
  background-color: var(--color-white);
  color: var(--color-text);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(255, 216, 176, 0.2);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: #dc3545;
}

.form-input::placeholder {
  color: var(--color-text-light);
}

textarea.form-input {
  resize: vertical;
  font-family: inherit;
}

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

.img-fluid {
  width: 100%;
  height: auto;
}

.img-rounded {
  border-radius: var(--radius-lg);
}

.img-circle {
  border-radius: 50%;
}

/* ============================================================================
   6. LAYOUT
   ============================================================================ */

header {
  background-color: var(--color-primary);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

nav.navbar {
  align-items: center;
}

.navbar-brand h1 {
  font-size: 1.25rem;
  margin-bottom: 0;
  color: var(--color-accent);
}

nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

nav a {
  color: #000000;
  font-weight: 500;
  transition: color var(--transition-base);
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

/* Language Selector */
.language-selector {
  display: flex;
  align-items: center;
}

.language-select {
  padding: 0.5rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: #000000;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.language-select:hover {
  border-color: var(--color-secondary);
  background-color: rgba(255, 216, 176, 0.1);
}

.language-select:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(255, 216, 176, 0.2);
}

/* Social Links */
.social-links {
  display: flex;
  align-items: center;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: #000000;
  transition: all var(--transition-base);
  border-radius: var(--radius-md);
}

.social-icon:hover {
  color: var(--color-secondary);
  background-color: rgba(255, 216, 176, 0.2);
  transform: translateY(-2px);
}

.social-icon svg {
  width: 20px;
  height: 20px;
}

/* Section Titles */
#servicios h2,
#portafolio h2,
#contacto h2 {
  color: var(--color-accent);
}

footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-2xl);
}

footer a {
  color: var(--color-text-light);
}

footer a:hover {
  color: var(--color-text-light);
  text-decoration: underline;
}

footer ul {
  list-style: none;
  padding: 0;
}

footer ul li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

footer .copyright {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  padding: 0;
  margin: 0;
}

footer .copyright li {
  display: inline-flex;
  align-items: center;
  color: var(--color-text);
  margin: 0;
}

footer .copyright li:not(:last-child)::after {
  content: "|";
  margin-left: var(--spacing-md);
  color: var(--color-text-light);
}

main {
  min-height: calc(100vh - 200px);
}

section {
  padding: var(--spacing-2xl) 0;
}

/* ============================================================================
   7. RESPONSIVE DESIGN
   ============================================================================ */

/* Tablet (768px and down) */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-cols-2 {
    grid-template-columns: 1fr;
  }

  nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .carousel-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .carousel-image {
    max-width: 100%;
    max-height: 40vh;
  }

  .carousel-text {
    max-width: 100%;
  }

  .carousel-text h2 {
    font-size: 1.75rem;
  }

  .carousel-text p {
    font-size: 1rem;
  }

  .carousel-btn {
    padding: var(--spacing-sm) var(--spacing-xs);
    font-size: 1.2rem;
  }

  .about-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .avatar-img {
    width: 280px;
  }
}

/* Mobile (480px and down) */
@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .card {
    margin-bottom: var(--spacing-lg);
  }

  .btn {
    width: 100%;
  }

  section {
    padding: var(--spacing-lg) 0;
  }

  .carousel {
    max-height: auto;
  }

  .carousel-content {
    padding: var(--spacing-md);
  }

  .carousel-image {
    max-height: 30vh;
  }

  .carousel-text h2 {
    font-size: 1.5rem;
  }

  .carousel-text p {
    font-size: 0.9rem;
  }

  .carousel-prev,
  .carousel-next {
    left: var(--spacing-sm);
    right: auto;
  }

  .carousel-next {
    right: var(--spacing-sm);
    left: auto;
  }

  .about-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .avatar-img {
    width: 200px;
  }
}

/* ============================================================================
   8. DARK MODE (Optional - can be extended later)
   ============================================================================ */

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: var(--color-primary);
    --color-white: #f5f5f5;
    --color-text: #000000;
    --color-text-light: #a0a0a0;
    --color-border: #333333;
  }

  body {
    background-color: var(--color-bg);
  }

  .card {
    background-color: var(--color-accent);
  }

  header {
    background-color: var(--color-light);
  }
}

/* ============================================================================
   9. ANIMATIONS & TRANSITIONS
   ============================================================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--transition-base);
}

.slide-in-up {
  animation: slideInUp var(--transition-base);
}

.slide-in-down {
  animation: slideInDown var(--transition-base);
}

/* ============================================================================
   10. PRINT STYLES
   ============================================================================ */

@media print {
  body {
    background-color: var(--color-white);
  }

  a {
    text-decoration: underline;
  }

  header,
  footer,
  .no-print {
    display: none;
  }
}