/* ============================================
   DESIGN SYSTEM - Agencia Web
   Premium UI Tokens & Global Overrides
   ============================================ */

:root {
  /* Primary Colors - Blue Scale */
  --color-primary-50: #EEF2FF;
  --color-primary-100: #E0E7FF;
  --color-primary-200: #C7D2FE;
  --color-primary-300: #A5B4FC;
  --color-primary-400: #818CF8;
  --color-primary-500: #6366F1;
  --color-primary-600: #4F46E5;
  --color-primary-700: #4338CA;
  --color-primary-800: #3730A3;
  --color-primary-900: #312E81;
  --color-primary-950: #1E1B4B;

  /* Secondary Colors - Orange Scale */
  --color-secondary-50: #FFF7ED;
  --color-secondary-100: #FFEDD5;
  --color-secondary-200: #FED7AA;
  --color-secondary-300: #FDBA74;
  --color-secondary-400: #FB923C;
  --color-secondary-500: #F97316;
  --color-secondary-600: #EA580C;
  --color-secondary-700: #C2410C;
  --color-secondary-800: #9A3412;
  --color-secondary-900: #7C2D12;
  --color-secondary-950: #431407;

  /* Neutral Colors - Premium Warm Neutrals */
  --color-neutral-50: #FAFAF8;
  --color-neutral-100: #F5F5F0;
  --color-neutral-200: #E8E8E3;
  --color-neutral-300: #D4D4CE;
  --color-neutral-400: #A3A39E;
  --color-neutral-500: #737370;
  --color-neutral-600: #525250;
  --color-neutral-700: #40403E;
  --color-neutral-800: #262624;
  --color-neutral-900: #171715;
  --color-neutral-950: #0A0A09;

  /* Semantic Colors */
  --color-background: #FAFAF8;
  --color-background-alt: #F5F5F0;
  --color-text-primary: #1A1A18;
  --color-text-secondary: #525250;
  --color-text-muted: #8A8A85;
  --color-border: #E8E8E3;
  --color-border-subtle: #F0F0EB;

  /* Typography */
  --font-family-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing - Premium generous spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius - Controlled, not overly round */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.625rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.25rem;
  --radius-4xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows - Ultra subtle premium */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-soft: 0 2px 12px -2px rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 4px 20px -4px rgba(0, 0, 0, 0.06);
  --shadow-elevated: 0 8px 30px -6px rgba(0, 0, 0, 0.08);
  --shadow-strong: 0 12px 40px -8px rgba(0, 0, 0, 0.1);

  /* Transitions - Smooth premium timing */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   BASE STYLES
   ============================================ */

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

body {
  font-family: var(--font-family-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
}

/* ============================================
   SECTION SPACING - Premium rhythm
   ============================================ */

.section {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.section-lg {
  padding-top: 7.5rem;
  padding-bottom: 7.5rem;
}

/* ============================================
   BUTTONS - Premium system
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-family: var(--font-family-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background: var(--color-primary-600);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

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

.btn-outline:hover {
  border-color: var(--color-neutral-400);
  background: var(--color-background-alt);
}

/* ============================================
   PREMIUM GLOBAL OVERRIDES
   ============================================ */

/* --- Header refinement --- */
header[id="header"] {
  background-color: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--color-border-subtle);
  border-bottom-width: 1px;
}

header[id="header"].shadow-lg {
  box-shadow: var(--shadow-xs);
}

/* Nav links - premium hover */
header[id="header"] nav a {
  transition: color var(--transition-fast);
}

header[id="header"] nav ul li a {
  border-radius: var(--radius-lg);
}

header[id="header"] nav ul li a:hover {
  background-color: transparent;
  color: var(--color-text-primary);
}

header[id="header"] nav ul li a[class*="bg-primary-50"] {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
  border-radius: var(--radius-lg);
}

/* Header CTA refinement */
header[id="header"] .bg-gradient-to-r {
  background: var(--color-primary-600);
  border-radius: var(--radius-xl);
  font-size: 0.8125rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  box-shadow: none;
}

header[id="header"] .bg-gradient-to-r:hover {
  background: var(--color-primary-700);
  transform: none;
  box-shadow: none;
}

/* --- Mobile menu --- */
#mobile-menu {
  background-color: rgba(250, 250, 248, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--color-border-subtle);
  box-shadow: var(--shadow-soft);
}

#mobile-menu a {
  border-radius: var(--radius-lg);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

#mobile-menu a:hover {
  color: var(--color-text-primary);
  background-color: var(--color-background-alt);
}

/* --- Buttons: CTA primary gradient → solid --- */
a.bg-gradient-to-r.from-primary-600.to-secondary-500,
button.bg-gradient-to-r.from-primary-600.to-secondary-500,
input[type="submit"].bg-gradient-to-r.from-primary-600.to-secondary-500,
input[type="button"].bg-gradient-to-r.from-primary-600.to-secondary-500 {
  background: var(--color-primary-600);
  border-radius: var(--radius-xl);
  box-shadow: none;
  transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

a.bg-gradient-to-r.from-primary-600.to-secondary-500:hover,
button.bg-gradient-to-r.from-primary-600.to-secondary-500:hover,
input[type="submit"].bg-gradient-to-r.from-primary-600.to-secondary-500:hover,
input[type="button"].bg-gradient-to-r.from-primary-600.to-secondary-500:hover {
  background: var(--color-primary-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

/* --- Gradient text titles --- */
h1 .bg-clip-text.text-transparent,
h2 .bg-clip-text.text-transparent,
h3 .bg-clip-text.text-transparent {
  display: inline-block;
  background-image: linear-gradient(90deg, var(--color-primary-600), var(--color-secondary-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

/* --- Cards refinement --- */
[class*="rounded-2xl"],
[class*="rounded-xl"] {
  border-color: var(--color-border-subtle);
}

.rounded-2xl {
  border-radius: var(--radius-2xl);
}

[class*="shadow-lg"],
[class*="shadow-xl"] {
  box-shadow: var(--shadow-soft);
}

[class*="shadow-md"] {
  box-shadow: var(--shadow-xs);
}

/* Card hover override - subtle, not dramatic */
.group:hover .shadow-lg,
.group:hover .shadow-xl {
  box-shadow: var(--shadow-medium);
}

.group:hover .scale-105 {
  transform: scale(1.01);
}

.group:hover .scale-110 {
  transform: scale(1.03);
}

/* --- Form inputs --- */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
textarea,
select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background-color: var(--color-background);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08);
  outline: none;
}

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

/* --- Rounded-full → contained --- */
button.rounded-full:not([class*="w-14"]):not(.lang-btn):not([aria-label*="WhatsApp"]):not([class*="bg-gradient-to-br"]) {
  border-radius: var(--radius-2xl);
}

/* --- Border refinement globally --- */
.border-neutral-200\/50 {
  border-color: var(--color-border-subtle);
}

.border-neutral-200 {
  border-color: var(--color-border);
}

/* --- Shadow refinement --- */
.shadow-lg {
  --tw-shadow: 0 2px 12px -2px rgba(0, 0, 0, 0.04);
  box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
}

.shadow-xl {
  --tw-shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.06);
  box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
}

/* --- Hover refinement --- */
.hover\:shadow-lg {
  &:hover {
    @media (hover: hover) {
      --tw-shadow: 0 2px 12px -2px rgba(0, 0, 0, 0.04);
      box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
    }
  }
}

.hover\:shadow-xl {
  &:hover {
    @media (hover: hover) {
      --tw-shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.06);
      box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
    }
  }
}

.hover\:scale-105 {
  &:hover {
    @media (hover: hover) {
      --tw-scale-x: 101%;
      --tw-scale-y: 101%;
      scale: var(--tw-scale-x) var(--tw-scale-y);
    }
  }
}

.hover\:scale-110 {
  &:hover {
    @media (hover: hover) {
      --tw-scale-x: 103%;
      --tw-scale-y: 103%;
      scale: var(--tw-scale-x) var(--tw-scale-y);
    }
  }
}

/* --- Body background warm ivory --- */
body.bg-white {
  background-color: var(--color-background);
}

/* --- Background sections warm tone --- */
.bg-neutral-50 {
  background-color: var(--color-background);
}

.bg-neutral-100 {
  background-color: var(--color-background-alt);
}

/* --- Focus visible - premium ring --- */
:focus-visible {
  outline: 2px solid var(--color-primary-400);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

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

  html {
    scroll-behavior: auto;
  }
}