/* ==========================================================================
   Caselyn Portfolio - Premium Design System
   ========================================================================== */

/* CSS Reset & Base
   ========================================================================== */

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  overflow-x: hidden;
}

/* Design Tokens
   ========================================================================== */

:root {
  /* Colors - Extremely restrained palette */
  --color-background: #fafaf9;
  --color-surface: #ffffff;
  --color-text-primary: #0a0a0a;
  --color-text-secondary: #525252;
  --color-text-tertiary: #a3a3a3;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-border: #e5e5e5;
  --color-border-subtle: #f5f5f5;

  /* Typography Scale */
  --font-size-xs: 0.875rem;

  /* 14px */
  --font-size-sm: 1rem;

  /* 16px */
  --font-size-base: 1.125rem;

  /* 18px */
  --font-size-lg: 1.25rem;

  /* 20px */
  --font-size-xl: 1.5rem;

  /* 24px */
  --font-size-2xl: 2rem;

  /* 32px */
  --font-size-3xl: 2.5rem;

  /* 40px */
  --font-size-4xl: 3.5rem;

  /* 56px */

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  /* Spacing Scale - 8px base */
  --space-1: 0.5rem;

  /* 8px */
  --space-2: 1rem;

  /* 16px */
  --space-3: 1.5rem;

  /* 24px */
  --space-4: 2rem;

  /* 32px */
  --space-6: 3rem;

  /* 48px */
  --space-8: 4rem;

  /* 64px */
  --space-12: 6rem;

  /* 96px */
  --space-16: 8rem;

  /* 128px */

  /* Layout */
  --max-width-content: 1280px;
  --max-width-narrow: 768px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Premium Motion System */
  --motion-duration-sm: 180ms;
  --motion-duration-base: 220ms;
  --motion-duration-lg: 260ms;
  --motion-easing: cubic-bezier(0.16, 1, 0.3, 1);

  /* Apple-style easing */
  --motion-easing-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Legacy transitions (for backwards compat) */
  --transition-fast: var(--motion-duration-sm) var(--motion-easing);
  --transition-base: var(--motion-duration-base) var(--motion-easing);
  --transition-slow: var(--motion-duration-lg) var(--motion-easing);

  /* Shadows - Subtle and premium */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 4px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.03), 0 2px 12px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.04), 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.06), 0 8px 48px rgba(0, 0, 0, 0.08);

  /* Refined Liquid Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: 28px;
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

/* Typography System
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, var(--font-size-4xl));
  font-weight: var(--font-weight-semibold);
}

h2 {
  font-size: clamp(2rem, 4vw, var(--font-size-3xl));
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

p {
  line-height: 1.6;
  color: var(--color-text-secondary);
}

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

/* Layout Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-12) 0;
  scroll-margin-top: 80px;
}

.section-lg {
  padding: var(--space-16) 0;
  scroll-margin-top: 80px;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-8) 0;
  }

  .section-lg {
    padding: var(--space-12) 0;
  }
}

/* Button System
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--motion-duration-base) var(--motion-easing);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
  box-shadow: var(--shadow-sm);
}

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

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  transition-duration: var(--motion-duration-sm);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-text-primary);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
}

/* Apple Liquid Glass Button - Premium translucent style */
.btn-liquid-glass {
  /* Core translucent blue background */
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.82) 0%, rgba(0, 122, 255, 0.88) 100%);

  /* Backdrop blur for glass effect */
  backdrop-filter: blur(40px) saturate(180%) contrast(110%);
  -webkit-backdrop-filter: blur(40px) saturate(180%) contrast(110%);

  /* Pure white text - Forced high contrast */
  color: #ffffff !important;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Luminous edge highlight */
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow:
    /* Soft outer glow */
    0 0 0 0.5px rgba(255, 255, 255, 0.1),
    0 2px 4px rgba(0, 0, 0, 0.08),
    0 8px 16px rgba(0, 122, 255, 0.15),
    /* Inner light reflection */
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    inset 0 -1px 0 rgba(0, 0, 0, 0.1);

  /* Physical material depth */
  border-radius: 12px;
  padding: 10px 20px;
}

.btn-liquid-glass:hover {
  /* Brightness increase on hover */
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.9) 0%, rgba(0, 122, 255, 0.95) 100%);

  /* Micro-elevation */
  transform: translateY(-1px);

  /* Enhanced glow */
  box-shadow:
    0 0 0 0.5px rgba(255, 255, 255, 0.15),
    0 3px 6px rgba(0, 0, 0, 0.1),
    0 12px 24px rgba(0, 122, 255, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08);

  /* Maintain blur */
  backdrop-filter: blur(40px) saturate(190%) contrast(115%);
  -webkit-backdrop-filter: blur(40px) saturate(190%) contrast(115%);
}

.btn-liquid-glass:active {
  /* Physical press sensation */
  transform: translateY(0) scale(0.985);
  transition-duration: var(--motion-duration-sm);

  /* Subtle depth reduction */
  box-shadow:
    0 0 0 0.5px rgba(255, 255, 255, 0.1),
    0 1px 2px rgba(0, 0, 0, 0.1),
    0 4px 8px rgba(0, 122, 255, 0.2),
    inset 0 1px 2px rgba(0, 0, 0, 0.15),
    inset 0 -1px 0 rgba(255, 255, 255, 0.15);
}

.btn-liquid-glass:focus-visible {
  outline: 2px solid rgba(10, 132, 255, 0.6);
  outline-offset: 3px;
}

/* Navigation
   ========================================================================== */

/* Header Wrapper - Fixed Full Width */
.header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
}

/* Glass Element Styling */
.header-glass {
  display: block;
  width: 100% !important;
  height: 72px !important;
}

/* Navbar inside glass element */
.navbar {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.navbar-logo {
  display: flex;
  align-items: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.navbar-logo svg {
  height: 32px;
  width: auto;
}

/* Desktop: Inline menu */
.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  position: static;
  background: none;
  border: none;
  padding: 0;
  transform: none;
  opacity: 1;
  visibility: visible;
}

.navbar-menu a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.navbar-menu a:hover {
  color: var(--color-text-primary);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
}

.navbar-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-base);
}

/* Language Selector — Apple-inspired dropdown
   ========================================================================== */

/* Wrapper: positioned relative so the dropdown anchors to it */
.lang-selector-wrapper {
  position: relative;
}

/* Trigger button — matches nav link style */
.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  padding: 4px 6px;
  border-radius: 6px;
  transition:
    color var(--motion-duration-sm) var(--motion-easing),
    background-color var(--motion-duration-sm) var(--motion-easing);
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
}

.lang-trigger:hover {
  color: var(--color-text-primary);
}

/* Chevron rotation when open */
.lang-trigger-chevron {
  transition: transform var(--motion-duration-base) var(--motion-easing);
  flex-shrink: 0;
}

.lang-selector-wrapper.open .lang-trigger-chevron {
  transform: rotate(180deg);
}

/* Dropdown panel — absolutely positioned, glassmorphic */
.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  min-width: 140px;
  padding: 6px;
  border-radius: var(--radius-sm);

  /* Glassmorphic background matching the header */
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.08),
    0 1px 3px rgba(0, 0, 0, 0.04);

  /* Smooth reveal transition — Apple-like */
  transition:
    opacity var(--motion-duration-base) var(--motion-easing),
    transform var(--motion-duration-base) var(--motion-easing),
    visibility 0s linear var(--motion-duration-base);

  z-index: 1010;
}

/* Open state */
.lang-selector-wrapper.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
  transition:
    opacity var(--motion-duration-base) var(--motion-easing),
    transform var(--motion-duration-base) var(--motion-easing),
    visibility 0s linear 0s;
}

/* Individual language option button */
.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  border-radius: 5px;
  transition:
    background-color var(--motion-duration-sm) var(--motion-easing),
    color var(--motion-duration-sm) var(--motion-easing);
  text-align: left;
  white-space: nowrap;
  line-height: 1.4;
}

/* Ensure SVG flags maintain their own colors and don't shrink */
.lang-selector-wrapper svg,
.lang-option svg {
  fill: unset;
  flex-shrink: 0;
}

.lang-option:hover,
.lang-option:focus-visible {
  background-color: rgba(0, 0, 0, 0.04);
  color: var(--color-text-primary);
}

/* Active language indicator */
.lang-option.active {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

/* Small dot indicator for active language */
.lang-option.active::after {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-accent);
  flex-shrink: 0;
  margin-left: 8px;
}

/* Desktop: Force inline menu layout */
@media (min-width: 769px) {
  .navbar-menu {
    /* Override any mobile styles that might bleed through */
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    background: none !important;
    border: none !important;
    padding: 0 !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    width: auto !important;
    display: flex !important;
    flex-direction: row !important;
    gap: var(--space-6) !important;
  }

  .navbar-menu.active {
    /* Prevent .active class from doing anything on desktop */
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
}

/* Mobile: Dropdown menu */
@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 999;
    flex-direction: column;
    gap: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: var(--space-4) 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-menu li {
    width: 100%;
  }

  .navbar-menu a {
    display: block;
    padding: var(--space-2) var(--space-3);
  }

  .navbar-toggle {
    display: flex;
  }

  /* Language selector: inline in mobile menu, not a popover */
  .lang-selector-wrapper {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-1);
    padding: var(--space-1) var(--space-3) 0;
  }

  .lang-trigger {
    display: flex;
    width: 100%;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
  }

  /* On mobile, dropdown is relative (inline), not absolutely positioned */
  .lang-dropdown {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    min-width: 0;
    width: 100%;
    border: none;
    box-shadow: none;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 0;
    border-radius: 0;

    /* Collapse animation via max-height on mobile */
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition:
      max-height var(--motion-duration-base) var(--motion-easing),
      opacity var(--motion-duration-base) var(--motion-easing);
    visibility: visible;
    pointer-events: auto;
    z-index: auto;
  }

  .lang-selector-wrapper.open .lang-dropdown {
    max-height: 200px;
    opacity: 1;
    transform: none;
    visibility: visible;
  }

  .lang-option {
    padding: 8px 4px;
    border-radius: 0;
  }
}

/* Hero Section
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;

  /* Adjust padding for fixed full-width header */
  padding-top: 110px;
  padding-bottom: var(--space-12);
  position: relative;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--space-4);
}

.hero-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero {
    min-height: 90vh;
  }

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

  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* Card System
   ========================================================================== */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--motion-duration-base) var(--motion-easing);
}

.card:hover {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);

  /* Apply glass effect only on hover */
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, var(--glass-bg) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card-glass {
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-background);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

.card-title {
  margin-bottom: var(--space-2);
}

.card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Grid System
   ========================================================================== */

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

@media (max-width: 768px) {
  .grid {
    gap: var(--space-4);
  }

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

/* Section Headers
   ========================================================================== */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-title {
  margin-bottom: var(--space-3);
}

.section-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: var(--space-8);
  }
}

/* Social Proof Section
   ========================================================================== */

.social-proof {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-8) 0;
  text-align: center;
}

.social-proof-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
}

.stat-item {
  padding: var(--space-4);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Services Section v2 (Mobile First)
   ========================================================================== */

/* Section wrapper */
.section--services {
  padding: var(--space-6) 0 var(--space-8);
}

@media (min-width: 768px) {
  .section--services {
    padding: var(--space-12) 0 var(--space-16);
  }
}

/* ── Service Entry Point (Auditoría Gratuita) ─────────────────────────────── */

.service-entry {
  position: relative;
  background: linear-gradient(135deg, #f0f6ff 0%, #fafaf9 60%, #f0f6ff 100%);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-3);
  margin-bottom: var(--space-4);
  overflow: hidden;
}

@media (min-width: 600px) {
  .service-entry {
    padding: var(--space-6) var(--space-4);
    margin-bottom: var(--space-6);
  }
}

@media (min-width: 900px) {
  .service-entry {
    padding: var(--space-6) var(--space-8);
    margin-bottom: var(--space-8);
  }
}

.service-entry::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6 0%, #6366f1 50%, #3b82f6 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.service-entry__badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
}

.service-entry__badge-free {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 100px;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  letter-spacing: 0.01em;
}

@media (min-width: 600px) {
  .service-entry__badge-free {
    padding: 5px 12px;
    gap: 6px;
    font-size: var(--font-size-xs);
  }
}

.service-entry__label {
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (min-width: 600px) {
  .service-entry__label {
    font-size: var(--font-size-xs);
  }
}

.service-entry__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .service-entry__body {
    grid-template-columns: 1fr auto;
    gap: var(--space-8);
    align-items: end;
  }
}

.service-entry__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  line-height: 1.2;
}

@media (min-width: 600px) {
  .service-entry__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-2);
  }
}

.service-entry__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

@media (min-width: 600px) {
  .service-entry__tagline {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-4);
  }
}

.service-entry__includes {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1) var(--space-2);
}

@media (min-width: 600px) {
  .service-entry__includes {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1) var(--space-4);
  }
}

.service-entry__include-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.service-entry__include-icon {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
}

.service-entry__action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

@media (min-width: 900px) {
  .service-entry__action {
    align-items: flex-end;
    gap: var(--space-3);
    min-width: 220px;
  }
}

.service-entry__outcome {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-align: left;
  line-height: 1.5;
  font-style: italic;
}

@media (min-width: 900px) {
  .service-entry__outcome {
    text-align: right;
  }
}

.service-entry__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-accent);
  color: #fff !important;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--motion-duration-base) var(--motion-easing);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
  text-decoration: none;
}

@media (min-width: 600px) {
  .service-entry__cta {
    width: auto;
    padding: var(--space-2) var(--space-4);
  }
}

@media (hover: hover) {
  .service-entry__cta:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
  }
}

.service-entry__cta:active {
  transform: translateY(0) scale(0.98);
  transition-duration: var(--motion-duration-sm);
}

/* ── Services Grid v2 ─────────────────────────────────────────────────────── */

.services-grid-v2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 600px) {
  .services-grid-v2 {
    gap: var(--space-4);
  }
}

@media (min-width: 900px) {
  .services-grid-v2 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

/* ── Service Card ─────────────────────────────────────────────────────────── */

.service-card {
  position: relative;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition:
    box-shadow var(--motion-duration-base) var(--motion-easing),
    transform var(--motion-duration-base) var(--motion-easing),
    border-color var(--motion-duration-base) var(--motion-easing);
  overflow: hidden;
}

@media (min-width: 600px) {
  .service-card {
    padding: var(--space-4);
  }
}

@media (min-width: 900px) {
  .service-card {
    padding: var(--space-6) var(--space-6);
  }
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pl-color, var(--color-accent));
  opacity: 1; /* Always visible on mobile for identity */
  transition: opacity var(--motion-duration-base) var(--motion-easing);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

@media (min-width: 900px) {
  .service-card::before {
    opacity: 0; /* Hidden on desktop until hover, unless featured */
  }
  .service-card--featured::before {
    opacity: 1;
  }
}

@media (hover: hover) {
  .service-card:hover {
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
  }

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

/* Featured card gets the top bar always visible */
.service-card--featured {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: var(--shadow-md);
}

/* Card header — product line badge + status badge */
.service-card__header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-1);
  flex-wrap: wrap;
}

@media (min-width: 600px) {
  .service-card__header {
    justify-content: space-between;
    gap: var(--space-2);
  }
}

.service-card__line-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background-color: var(--pl-bg, rgba(59, 130, 246, 0.07));
  border: 1px solid color-mix(in srgb, var(--pl-color, #3b82f6) 25%, transparent);
  border-radius: 100px;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  color: var(--pl-color, var(--color-accent));
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (min-width: 600px) {
  .service-card__line-badge {
    padding: 3px 10px;
    font-size: 11px;
  }
}

.service-card__status-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

@media (min-width: 600px) {
  .service-card__status-badge {
    padding: 3px 10px;
    font-size: 11px;
  }
}

/* Status badge variants */
.service-card__status-badge--most-popular,
.service-card__status-badge--recommended {
  background-color: rgba(59, 130, 246, 0.06);
  border-color: rgba(59, 130, 246, 0.2);
  color: var(--color-accent);
}

.service-card__status-badge--fastest {
  background-color: rgba(16, 185, 129, 0.06);
  border-color: rgba(16, 185, 129, 0.2);
  color: #059669;
}

.service-card__status-badge--continuous-support {
  background-color: rgba(99, 102, 241, 0.06);
  border-color: rgba(99, 102, 241, 0.2);
  color: #4f46e5;
}

.service-card__status-badge--real-diagnosis {
  background-color: rgba(245, 158, 11, 0.06);
  border-color: rgba(245, 158, 11, 0.2);
  color: #d97706;
}

/* Card title */
.service-card__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

@media (min-width: 600px) {
  .service-card__title {
    font-size: var(--font-size-xl);
    letter-spacing: -0.02em;
  }
}

/* Price — maximum visual hierarchy */
.service-card__pricing {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  flex-wrap: wrap;
}

@media (min-width: 600px) {
  .service-card__pricing {
    gap: var(--space-2);
  }
}

.service-card__price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

@media (min-width: 600px) {
  .service-card__price {
    font-size: clamp(2rem, 3.5vw, 2.5rem);
    letter-spacing: -0.03em;
  }
}

.service-card__delivery {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-normal);
}

@media (min-width: 600px) {
  .service-card__delivery {
    font-size: var(--font-size-sm);
  }
}

/* Tagline */
.service-card__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

@media (min-width: 600px) {
  .service-card__tagline {
    line-height: 1.55;
  }
}

/* Ideal para */
.service-card__audience {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

@media (min-width: 600px) {
  .service-card__audience {
    gap: 8px;
  }
}

.service-card__audience-label {
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (min-width: 600px) {
  .service-card__audience-label {
    font-size: 11px;
    letter-spacing: 0.07em;
  }
}

.service-card__audience-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

@media (min-width: 600px) {
  .service-card__audience-pills {
    gap: 6px;
  }
}

.service-card__audience-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

@media (min-width: 600px) {
  .service-card__audience-pill {
    padding: 3px 9px;
    font-size: 11px;
  }
}

/* Divider */
.service-card__divider {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-1) 0;
}

@media (min-width: 600px) {
  .service-card__divider {
    margin: 0;
  }
}

/* Includes list */
.service-card__includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

@media (min-width: 600px) {
  .service-card__includes {
    gap: 8px;
  }
}

.service-card__include-item {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

@media (min-width: 600px) {
  .service-card__include-item {
    gap: 8px;
    font-size: var(--font-size-sm);
    line-height: 1.5;
  }
}

.service-card__include-icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-text-tertiary);
  transition: color var(--motion-duration-sm) var(--motion-easing);
  width: 12px;
  height: 12px;
}

@media (min-width: 600px) {
  .service-card__include-icon {
    margin-top: 3px;
    width: 13px;
    height: 13px;
  }
}

@media (hover: hover) {
  .service-card:hover .service-card__include-icon {
    color: var(--pl-color, var(--color-accent));
  }
}

/* Outcome */
.service-card__outcome {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.4;
  padding: var(--space-1) 0;
  border-top: 1px solid var(--color-border-subtle);
}

@media (min-width: 600px) {
  .service-card__outcome {
    font-size: var(--font-size-sm);
    line-height: 1.55;
    padding: var(--space-2) 0;
  }
}

/* CTA */
.service-card__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--motion-duration-base) var(--motion-easing);
  text-decoration: none;
  margin-top: auto;
  width: 100%;
}

@media (min-width: 600px) {
  .service-card__cta {
    justify-content: space-between;
    width: auto;
  }
}

@media (hover: hover) {
  .service-card__cta:hover {
    background-color: var(--pl-color, var(--color-accent));
    border-color: var(--pl-color, var(--color-accent));
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--pl-color, #3b82f6) 30%, transparent);
  }
}

.service-card__cta:active {
  transform: translateY(0) scale(0.98);
  transition-duration: var(--motion-duration-sm);
}

/* Featured card adjustments */
.service-card--featured .service-card__cta {
  background-color: var(--pl-color, var(--color-accent));
  border-color: var(--pl-color, var(--color-accent));
  color: #fff;
}

@media (hover: hover) {
  .service-card--featured .service-card__cta:hover {
    opacity: 0.9;
    box-shadow: 0 4px 16px color-mix(in srgb, var(--pl-color, #3b82f6) 40%, transparent);
  }
}

/* Product line card variants — subtle bg tint on hover */
@media (hover: hover) {
  .service-card--launch:hover,
  .service-card--presence:hover,
  .service-card--care:hover,
  .service-card--growth:hover {
    background: linear-gradient(
      160deg,
      var(--color-surface) 0%,
      color-mix(in srgb, var(--pl-bg, rgba(59,130,246,0.07)) 60%, transparent) 100%
    );
  }
}

/* Legacy class for backwards compat (not used in new renderer) */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* Portfolio Section
   ========================================================================== */

.portfolio-grid-v2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: stretch;
  grid-auto-rows: 1fr;
}

@media (min-width: 768px) {
  .portfolio-grid-v2 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
  }
}

/* --- Card Shell --- */

.portfolio-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition:
    box-shadow var(--motion-duration-lg) var(--motion-easing),
    transform var(--motion-duration-lg) var(--motion-easing),
    border-color var(--motion-duration-lg) var(--motion-easing);
  display: flex;
  flex-direction: column;
  height: 100%;
}

@media (hover: hover) {
  .portfolio-card:hover {
    box-shadow:
      0 8px 30px rgba(0, 0, 0, 0.06),
      0 2px 8px rgba(0, 0, 0, 0.04);
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--project-accent, var(--color-accent)) 30%, var(--color-border));
  }
}

/* --- Link Wrapper --- */

.portfolio-card__link-wrapper {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  flex: 1;
  cursor: pointer;
}

.portfolio-card__link-wrapper--disabled {
  cursor: default;
  pointer-events: none;
}

/* --- Image Container (Mandatory 16:10) --- */

.portfolio-card__image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  flex-shrink: 0;
  background-color: var(--color-background);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
}

.portfolio-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 60%,
    rgba(0, 0, 0, 0.04) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.portfolio-card__mock-svg {
  width: 100%;
  height: 100%;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (hover: hover) {
  .portfolio-card:hover .portfolio-card__img,
  .portfolio-card:hover .portfolio-card__mock-svg {
    transform: scale(1.03);
  }
}

/* --- Card Body --- */

.portfolio-card__body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

@media (min-width: 600px) {
  .portfolio-card__body {
    padding: var(--space-4);
    gap: var(--space-3);
  }
}

/* Header: title + badge */
.portfolio-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.portfolio-card__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

@media (min-width: 600px) {
  .portfolio-card__title {
    font-size: var(--font-size-xl);
  }
}

.portfolio-card__badge {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  padding: 2px 8px;
  background-color: color-mix(in srgb, var(--project-accent, var(--color-accent)) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--project-accent, var(--color-accent)) 20%, transparent);
  border-radius: 100px;
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  color: var(--project-accent, var(--color-accent));
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* Tagline */
.portfolio-card__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Meta row */
.portfolio-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  font-size: 11px;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-card__category {
  font-weight: var(--font-weight-medium);
}

.portfolio-card__dot {
  opacity: 0.4;
}

.portfolio-card__year {
  font-weight: var(--font-weight-normal);
}

/* Tech stack pills */
.portfolio-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border-subtle);
}

.portfolio-card__tech-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

/* CTA — always pushed to bottom */
.portfolio-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-top: auto;
  padding-top: var(--space-3);
  transition: color var(--motion-duration-sm) var(--motion-easing);
}

.portfolio-card__cta-arrow {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--motion-duration-base) var(--motion-easing);
}

@media (hover: hover) {
  .portfolio-card:hover .portfolio-card__cta {
    color: var(--project-accent, var(--color-accent));
  }

  .portfolio-card:hover .portfolio-card__cta-arrow {
    transform: translateX(4px);
  }
}

/* Disabled card muted CTA */
.portfolio-card__link-wrapper--disabled .portfolio-card__cta {
  color: var(--color-text-tertiary);
}

.portfolio-card__link-wrapper--disabled .portfolio-card__cta-arrow {
  opacity: 0.3;
}

/* Process Section
   ========================================================================== */

.process-timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  position: relative;
}

.process-step:last-child {
  margin-bottom: 0;
}

.process-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
}

.process-content h3 {
  margin-bottom: var(--space-2);
}

.process-content p {
  font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
  .process-step {
    grid-template-columns: 60px 1fr;
    gap: var(--space-3);
  }

  .process-number {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-lg);
  }
}

/* FAQ Section
   ========================================================================== */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-icon {
  font-size: var(--font-size-xl);
  transition: transform var(--transition-base);
  color: var(--color-text-secondary);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 0 var(--space-4) 0;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Contact Section
   ========================================================================== */

.contact {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.contact-container {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--space-3);
}

.contact-info p {
  margin-bottom: var(--space-6);
  font-size: var(--font-size-base);
}

.contact-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background-color: var(--color-background);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
}

@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* Footer
   ========================================================================== */

.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

.footer p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* Animation Utilities
   ========================================================================== */

/* Premium Motion System - Staggered Fade In */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--motion-duration-lg) var(--motion-easing),
    transform var(--motion-duration-lg) var(--motion-easing);
}

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

/* Stagger delays for sequential elements */
.fade-in:nth-child(1) {
  transition-delay: 0ms;
}

.fade-in:nth-child(2) {
  transition-delay: 60ms;
}

.fade-in:nth-child(3) {
  transition-delay: 120ms;
}

.fade-in:nth-child(4) {
  transition-delay: 180ms;
}

.fade-in:nth-child(5) {
  transition-delay: 240ms;
}

.fade-in:nth-child(6) {
  transition-delay: 300ms;
}

/* Accessibility & Motion Preferences
   ========================================================================== */

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

/* Focus visible styles */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Respect prefers-reduced-motion */
@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;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}