/**
 * AM PROYECTOS Y REMODELACIONES
 * Global Stylesheet, Typography & Core Architecture
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-black-main);
  color: var(--color-black-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: #2D3748;
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* Custom Selection & Scrollbar */
::selection {
  background-color: var(--color-coral);
  color: var(--color-white);
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-black-main);
}
::-webkit-scrollbar-thumb {
  background: #333842;
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-coral);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-black-main);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

p {
  color: #4A5568;
  font-size: 1rem;
  line-height: 1.65;
}

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

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Accent Colors */
.text-coral {
  color: var(--color-coral) !important;
}

.bg-coral {
  background-color: var(--color-coral) !important;
}

.bg-dark {
  background-color: var(--color-black-main) !important;
  color: var(--color-white);
}

.bg-dark-secondary {
  background-color: var(--color-black-secondary) !important;
  color: var(--color-white);
}

.bg-light {
  background-color: var(--color-light-bg) !important;
}

.bg-white {
  background-color: var(--color-white) !important;
}

/* Architectural Tags & Overlines */
.architectural-tag {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-coral);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.architectural-tag::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 2px;
  background-color: var(--color-coral);
}

.architectural-tag.light {
  color: var(--color-coral);
}

/* Section Header Component */
.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.08;
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: var(--color-grey);
  max-width: 680px;
  line-height: 1.6;
}

.section-title.light {
  color: var(--color-white);
}

.section-subtitle.light {
  color: #A0AAB8;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  text-decoration: none;
}

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

.btn-coral:hover {
  background-color: var(--color-coral-hover);
  border-color: var(--color-coral-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240, 91, 79, 0.3);
}

.btn-outline-coral {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-coral);
}

.btn-outline-coral:hover {
  background-color: var(--color-coral);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240, 91, 79, 0.25);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--color-black-main);
  color: var(--color-white);
  border: 1px solid var(--color-black-main);
}

.btn-dark:hover {
  background-color: #232730;
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-black-main);
  border: 1px solid var(--color-black-main);
}

.btn-outline-dark:hover {
  background-color: var(--color-black-main);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Subtle Micro-Animations (200-600ms) */
.reveal-fade {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms cubic-bezier(0.16, 1, 0.3, 1), transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }

/* Thin Architectural Dividers */
.arch-divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-line-grey);
}

.arch-divider.dark {
  background-color: var(--color-line-dark);
}