@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --color-primary: #6F5D85;         /* Editorial purple - headings */
  --color-primary-light: #9B87B0;  /* Lighter purple */
  --color-accent: #B05016;         /* Burnt orange accessible - CTA/buttons */
  --color-accent-hover: #8E3A10;   /* Darker burnt orange - hover/highlights */
  --color-surface: #F6F1E8;        /* Warm cream - main background */
  --color-surface-alt: #EFE9DE;     /* Slightly deeper cream - secondary backgrounds */
  --color-border: #E0D9CE;          /* Warm light gray - borders/dividers */
  --color-text: #1E1E1B;           /* Near-black - main text */
  --color-text-muted: #3A3A35;     /* Dark warm gray - secondary text */
  --color-text-light: #6B655F;     /* Warm medium gray - subtle/decorative text */
  --color-success: #10b981;
  --color-error: #ef4444;

  --font-family-heading: 'Fraunces', serif;
  --font-family: 'Inter', sans-serif;

  /* Typography Scale */
  --text-display-xl: 6rem;      /* 96px */
  --text-display-l: 4.5rem;    /* 72px */
  --text-h1: 3.5rem;           /* 56px */
  --text-h2: 2.5rem;           /* 40px */
  --text-h3: 2rem;             /* 32px */
  --text-h4: 1.5rem;           /* 24px */
  --text-lead: 1.5rem;         /* 24px */
  --text-body-lg: 1.25rem;     /* 20px */
  --text-body: 1.125rem;       /* 18px */
  --text-body-sm: 1rem;        /* 16px */
  --text-caption: 0.875rem;    /* 14px */
  --text-label: 0.75rem;        /* 12px */
  --text-micro: 0.6875rem;      /* 11px */

  --leading-display: 1.05;
  --leading-h1: 1.15;
  --leading-h2: 1.2;
  --leading-h3: 1.25;
  --leading-h4: 1.35;
  --leading-lead: 1.5;
  --leading-body-lg: 1.8;
  --leading-body: 1.67;
  --leading-body-sm: 1.625;
  --leading-caption: 1.57;
  --leading-label: 1.5;
  --leading-micro: 1.45;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;

  --spacing-base: 8px;

  --container-max: 1280px;
  --container-padding: 80px;
  --gutter: 24px;

  --header-height: 80px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(26, 31, 54, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(26, 31, 54, 0.08), 0 2px 4px -1px rgba(26, 31, 54, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(26, 31, 54, 0.1), 0 4px 6px -2px rgba(26, 31, 54, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(26, 31, 54, 0.1), 0 10px 10px -5px rgba(26, 31, 54, 0.04);

  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;

  --grid-cols: 12;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-text);
  background-color: var(--color-surface);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

ul, ol {
  list-style: none;
}

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

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

.grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  gap: var(--gutter);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 600;
  color: var(--color-primary);
}

h1 {
  font-size: var(--text-h1);
  line-height: var(--leading-h1);
}

h2 {
  font-size: var(--text-h2);
  line-height: var(--leading-h2);
}

h3 {
  font-size: var(--text-h3);
  font-weight: 500;
  line-height: var(--leading-h3);
}

h4 {
  font-size: var(--text-h4);
  font-weight: 500;
  line-height: var(--leading-h4);
}

p {
  font-family: var(--font-family);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  min-height: 48px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  color: var(--color-primary);
  background-color: var(--color-surface-alt);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-logo {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.125rem;
}

.navbar-logo:hover {
  color: var(--color-accent);
}

.navbar-logo img {
  display: block;
  height: 50px;
  width: auto;
  transition: opacity 0.35s ease;
}

.navbar-logo .navbar-logo-hover {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  opacity: 0;
}

.navbar-logo:hover .navbar-logo-default {
  opacity: 0;
}

.navbar-logo:hover .navbar-logo-hover {
  opacity: 1;
}

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

.navbar-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: var(--spacing-sm) 0;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

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

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
  background-color: var(--color-accent);
  width: 100%;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.navbar-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-base);
  transform-origin: center;
}

.navbar-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.navbar-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
  z-index: 999;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* Hero */
.hero {
  position: relative;
  padding-top: calc(var(--header-height) + var(--spacing-3xl));
  padding-bottom: var(--spacing-3xl);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

/* Soft atmospheric fade at the bottom of hero — blends into cream section below */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, var(--color-surface-alt) 100%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  grid-column: 1 / 8;
  text-align: left;
  color: var(--color-surface);
}

.hero-content h1 {
  font-size: var(--text-display-l);
  line-height: var(--leading-display);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  color: var(--color-surface);
}

.hero-name {
  color: var(--color-surface);
  font-family: var(--font-family);
  font-size: var(--text-h3);
  line-height: 1.15;
  font-weight: 400;
}

.hero-title {
  line-height: var(--leading-display);
}

.hero-subtitle {
  font-family: var(--font-family);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: flex-start;
}

.hero-cta .btn-primary {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.hero-cta .btn-primary:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-primary);
}

.hero-cta .btn-secondary {
  color: var(--color-surface);
  border-color: var(--color-surface);
}

.hero-cta .btn-secondary:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.hero-visual {
  display: none;
}

.hero-visual-inner {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, var(--color-border) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Bento Grid Section */
.bento-section {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-surface-alt);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.bento-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.bento-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.bento-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Disabled / coming-soon state */
.bento-card--disabled {
  position: relative;
  opacity: 0.7;
  cursor: default;
  pointer-events: none;
}

.bento-card--disabled:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

.bento-card--disabled .bento-card-image {
  filter: grayscale(0.15) brightness(0.97);
}

.bento-card--disabled .bento-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.bento-card-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(30, 30, 27, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-family: var(--font-family);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.4;
  pointer-events: none;
  z-index: 2;
}

.bento-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--color-border);
  object-fit: cover;
  overflow: hidden;
}

.bento-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bento-card-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bento-card-title {
  font-family: var(--font-family-heading);
  font-size: var(--text-h4);
  font-weight: 500;
  line-height: var(--leading-h4);
  margin-bottom: var(--spacing-sm);
}

.bento-card-context {
  font-family: var(--font-family);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.bento-card-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.bento-card-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* Bento spans — base (heading = full-width section separator) */
.bento-card--heading {
  grid-column: 1 / -1;
  background: transparent;
  box-shadow: none;
  cursor: default;
  justify-content: center;
}

.bento-card--heading:hover {
  transform: none;
  box-shadow: none;
}

.bento-card--heading h2 {
  font-family: var(--font-family-heading);
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: var(--leading-h2);
  margin-bottom: var(--spacing-md);
}

.bento-card--heading p {
  font-size: var(--text-body);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.bento-card--heading a {
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.bento-card--heading a:hover {
  color: var(--color-accent);
}

.bento-card--featured {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-card--featured .bento-card-image {
  aspect-ratio: 16 / 9;
}

/* Index page bento — heading left, featured right, about/cta side-by-side */
#proyectos .bento-card--heading {
  grid-column: span 2;
}

#proyectos .bento-card--featured {
  grid-column: 3 / 5;
  grid-row: 1 / 3;
}

#proyectos .bento-card--about {
  grid-column: 1 / 3;
  background: transparent;
  box-shadow: none;
  cursor: default;
  justify-content: center;
}

#proyectos .bento-card--about:hover {
  transform: none;
  box-shadow: none;
}

#proyectos .bento-card--about h2 {
  font-family: var(--font-family-heading);
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: var(--leading-h2);
  margin-bottom: var(--spacing-lg);
}

#proyectos .bento-card--about p {
  font-size: var(--text-body);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

#proyectos .bento-card--cta {
  grid-column: 3 / 5;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-2xl);
}

#proyectos .bento-card--cta:hover {
  transform: scale(1.02);
}

#proyectos .bento-card--cta h2 {
  font-family: var(--font-family-heading);
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: var(--leading-h2);
  color: var(--color-surface);
  margin-bottom: var(--spacing-md);
}

#proyectos .bento-card--cta p {
  font-size: var(--text-body);
  color: var(--color-surface);
  margin-bottom: var(--spacing-lg);
}

#proyectos .bento-card--cta .btn {
  border-color: var(--color-surface);
  color: var(--color-surface);
  background: transparent;
}

#proyectos .bento-card--cta .btn:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

#proyectos .bento-card--cta a {
  display: inline-flex;
}

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ============================================================
   PROYECTOS PAGE — Premium Editorial Bento Grid
   ============================================================ */

.proyectos-section {
  padding: var(--spacing-4xl) 0;
  background:
    radial-gradient(ellipse at 15% 10%, rgba(124,106,146,0.08), transparent 50%),
    radial-gradient(ellipse at 85% 25%, rgba(217,138,95,0.06), transparent 45%),
    radial-gradient(ellipse at 50% 80%, rgba(183,177,170,0.10), transparent 50%),
    var(--color-surface);
}

.proyectos-section + .proyectos-section {
  padding-top: 0;
}

/* --- Grid --- */
.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

/* --- Card base --- */
.proyecto-card {
  border-radius: 28px;
  overflow: hidden;
  background: #fff;
  box-shadow:
    0 1px 3px rgba(30,30,27,0.04),
    0 4px 12px rgba(30,30,27,0.03);
  transition: transform 0.45s cubic-bezier(0.22,0.61,0.36,1),
              box-shadow 0.45s cubic-bezier(0.22,0.61,0.36,1);
}

.proyecto-card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 2px 8px rgba(30,30,27,0.06),
    0 12px 32px rgba(30,30,27,0.05);
}

.proyecto-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

/* --- Image --- */
.proyecto-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 11;
}

.proyecto-card--large .proyecto-card-image {
  aspect-ratio: 16 / 10;
}

.proyecto-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22,0.61,0.36,1);
}

.proyecto-card:hover .proyecto-card-image img {
  transform: scale(1.04);
}

/* Subtle image overlay for depth */
.proyecto-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 55%, rgba(30,30,27,0.03) 100%);
  pointer-events: none;
}

/* --- Content --- */
.proyecto-card-content {
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.proyecto-card-tag {
  display: inline-block;
  font-family: var(--font-family);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.proyecto-card-title {
  font-family: var(--font-family-heading);
  font-size: var(--text-h4);
  font-weight: 600;
  line-height: var(--leading-h4);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.proyecto-card--large .proyecto-card-title {
  font-size: var(--text-h3);
}

.proyecto-card-desc {
  font-family: var(--font-family);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  color: var(--color-text-muted);
  flex: 1;
  margin-bottom: var(--spacing-md);
}

.proyecto-card-metric {
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* --- Section heading card --- */
.proyecto-card--heading {
  background: transparent;
  box-shadow: none;
  cursor: default;
  padding: var(--spacing-lg) 0;
  grid-column: 1 / -1;
}

.proyecto-card--heading:hover {
  transform: none;
  box-shadow: none;
}

.proyecto-card--heading h2 {
  font-family: var(--font-family-heading);
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: var(--leading-h2);
  color: var(--color-primary);
}

/* --- Size modifiers --- */
.proyecto-card--large {
  grid-column: span 2;
  grid-row: span 2;
}

/* --- Disabled / coming-soon state --- */
.proyecto-card--disabled {
  position: relative;
  opacity: 0.7;
  cursor: default;
  pointer-events: none;
}

.proyecto-card--disabled:hover {
  transform: none;
  box-shadow:
    0 1px 3px rgba(30,30,27,0.04),
    0 4px 12px rgba(30,30,27,0.03);
}

/* About Section */
.about {
  padding: var(--spacing-4xl) 0;
}

.about-content {
  grid-column: 1 / 7;
}

.about-content h2 {
  margin-bottom: var(--spacing-lg);
}

.about-text {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.about-visual {
  grid-column: 7 / 13;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual-inner {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-surface);
  font-size: 1.5rem;
  font-weight: 600;
}

/* Contact Section */
.contact {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-surface-alt);
}

.contact-content {
  grid-column: 1 / 6;
}

.contact-content h2 {
  margin-bottom: var(--spacing-lg);
}

.contact-text {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-links a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.contact-links a:hover {
  color: var(--color-accent);
}

.contact-form {
  grid-column: 7 / 13;
  background-color: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  background-color: var(--color-surface);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-success,
.form-error {
  display: none;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.form-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.form-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.form-success.show,
.form-error.show {
  display: block;
}

/* Footer */
.footer {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-border);
}

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

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

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-surface-alt);
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

/* Page Header (for interior pages) */
.page-header {
  padding-top: calc(var(--header-height) + var(--spacing-3xl));
  padding-bottom: var(--spacing-2xl);
  background-color: var(--color-surface-alt);
}

.page-header h1 {
  margin-bottom: var(--spacing-md);
}

.page-header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

/* Premium Case Study Template */
.case-study-premium {
  padding-top: calc(var(--header-height) + var(--spacing-3xl));
  padding-bottom: var(--spacing-4xl);
}

.case-study-premium-inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 80px;
  align-items: start;
}

/* Sidebar */
.case-study-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-2xl));
}

.case-study-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-body-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
  transition: color var(--transition-fast);
}

.case-study-back:hover {
  color: var(--color-primary);
}

.case-study-toc {
  border-left: 2px solid var(--color-border);
  padding-left: var(--spacing-lg);
}

.case-study-toc-label {
  font-size: var(--text-label);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.case-study-toc-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.case-study-toc-list a {
  font-size: var(--text-body-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  padding: 4px 0;
  display: block;
}

.case-study-toc-list a:hover {
  color: var(--color-primary);
}

/* Main content column */
.case-study-main {
  max-width: 720px;
  min-width: 0;
}

.case-study-label {
  font-size: var(--text-label);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.case-study-title {
  font-family: var(--font-family-heading);
  font-size: var(--text-display-l);
  font-weight: 600;
  line-height: var(--leading-display);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.case-study-description {
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-3xl);
  max-width: 600px;
}

/* Hero Frame */
.case-study-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--text-body-sm);
  overflow: hidden;
}

/* Metadata Grid */
.case-study-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  padding: var(--spacing-2xl);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-4xl);
}

.case-study-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.case-study-meta-item-label {
  font-size: var(--text-label);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
}

.case-study-meta-item-value {
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-text);
}

/* Sections */
.cs-section {
  margin-bottom: var(--spacing-4xl);
}

.cs-section h2 {
  font-family: var(--font-family-heading);
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: var(--leading-h2);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.cs-section p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-text-muted);
}

/* Skills Chips */
.skills-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  min-height: 34px;
}

.skill-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 1279px) {
  :root {
    --container-padding: 48px;
  }

  .hero-content {
    grid-column: 1 / -1;
    text-align: left;
  }

  .hero-subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-cta {
    justify-content: flex-start;
  }

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

  #proyectos .bento-card--heading {
    grid-column: 1 / 2;
  }

  #proyectos .bento-card--featured {
    grid-column: 2 / 3;
    grid-row: 1 / 3;
  }

  #proyectos .bento-card--about {
    grid-column: 1 / 2;
  }

  #proyectos .bento-card--cta {
    grid-column: 2 / 3;
  }

  .about-content {
    grid-column: 1 / 7;
  }

  .about-visual {
    grid-column: 7 / 13;
  }

  .contact-content {
    grid-column: 1 / 5;
  }

  .contact-form {
    grid-column: 6 / 13;
  }

  /* Premium case study tablet */
  .case-study-premium-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .case-study-sidebar {
    position: static;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
  }

  .case-study-back {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .case-study-toc {
    border-left: none;
    padding-left: 0;
    flex: 1;
  }

  .case-study-toc-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }

  .case-study-toc-list a {
    white-space: nowrap;
  }

  .case-study-main {
    max-width: none;
  }

  .case-study-title {
    font-size: var(--text-h1);
  }

  /* Proyectos page tablet */
  .proyectos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proyecto-card--heading {
    grid-column: 1 / -1 !important;
  }

  .proyecto-card--large {
    grid-column: span 2 !important;
    grid-row: span 2 !important;
  }

  .proyecto-card--large .proyecto-card-title {
    font-size: var(--text-h3);
  }
}

@media (max-width: 799px) {
  :root {
    --container-padding: 24px;
    --header-height: 72px;
  }

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

  .navbar-nav {
    display: none;
  }

  .navbar-toggle {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--header-height) + var(--spacing-2xl));
    padding-bottom: var(--spacing-2xl);
    min-height: auto;
  }

  .hero-content {
    grid-column: 1 / -1;
    text-align: left;
  }

  .hero-subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-cta {
    justify-content: flex-start;
  }

  .hero-visual {
    display: none;
  }

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

  .bento-card--heading {
    grid-column: 1 / -1;
  }

  .bento-card--featured {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .bento-card--about {
    grid-column: 1 / -1;
  }

  .bento-card--cta {
    grid-column: 1 / -1;
  }

  .about-content {
    grid-column: 1 / -1;
  }

  .about-visual {
    grid-column: 1 / -1;
    order: -1;
  }

  .about-visual-inner {
    max-width: 300px;
    margin: 0 auto var(--spacing-xl);
  }

  .contact-content {
    grid-column: 1 / -1;
    text-align: center;
  }

  .contact-links {
    align-items: center;
  }

  .contact-form {
    grid-column: 1 / -1;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .page-header {
    text-align: center;
  }

  /* Premium case study mobile */
  .case-study-premium {
    padding-top: calc(var(--header-height) + var(--spacing-2xl));
    padding-bottom: var(--spacing-2xl);
  }

  .case-study-premium-inner {
    gap: var(--spacing-lg);
  }

  .case-study-sidebar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .case-study-title {
    font-size: var(--text-h2);
  }

  .case-study-description {
    font-size: var(--text-body);
  }

  .case-study-meta-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: var(--spacing-lg);
    gap: var(--spacing-lg);
  }

  .cs-section h2 {
    font-size: var(--text-h3);
  }

  .case-study-toc-list {
    gap: var(--spacing-md);
  }

  .skill-chip {
    font-size: 0.75rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  /* Proyectos page mobile */
  .proyectos-grid {
    grid-template-columns: 1fr;
  }

  .proyecto-card--heading {
    grid-column: 1 / -1 !important;
    padding: var(--spacing-md) 0;
  }

  .proyecto-card--heading h2 {
    font-size: var(--text-h3);
  }

  .proyecto-card--large {
    grid-column: 1 / -1 !important;
    grid-row: auto !important;
  }

  .proyecto-card--large .proyecto-card-title {
    font-size: var(--text-h4);
  }

  .proyecto-card-content {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .proyecto-card-title {
    font-size: var(--text-h4);
  }

  .proyecto-card-desc {
    font-size: var(--text-body-sm);
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-1 {
  animation-delay: 0.1s;
}

.animate-delay-2 {
  animation-delay: 0.2s;
}

.animate-delay-3 {
  animation-delay: 0.3s;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .proyecto-card:hover {
    transform: none;
  }

  .proyecto-card:hover .proyecto-card-image img {
    transform: none;
  }
}