/* ========================================
   IATELIER — SITIO
   Shared styles for all pages
   ======================================== */

/* ========================================
   FONTS
   ======================================== */

@font-face {
  font-family: 'Maax';
  src: url('fonts/Maax-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Maax';
  src: url('fonts/Maax-Medium.otf') format('opentype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Maax';
  src: url('fonts/Maax-Bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Maax';
  src: url('fonts/Maax-Black.otf') format('opentype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Maax';
  src: url('fonts/Maax-Light.otf') format('opentype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Maax';
  src: url('fonts/Maax-Italic.otf') format('opentype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* ========================================
   DESIGN TOKENS
   ======================================== */

:root {
  /* Colors */
  --cadmio:      #D92B1F;
  --azul:        #3D5A6E;
  --marfil:      #F4F0EB;
  --tinta:       #1C1C1E;
  --arena:       #8C8070;
  --arena-light: #C4B9A8;
  --pizarra:     #1E2420;

  /* Fonts */
  --font-display: 'Maax', 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'DM Mono', monospace;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;

  /* Texture: SVG grain noise */
  --grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, .display-font {
  font-family: var(--font-display);
  font-feature-settings: "ss02" 1;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--cadmio);
  color: var(--marfil);
}

/* ========================================
   NAVIGATION (Interior pages default style)
   Light background, dark text
   ======================================== */

.site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem clamp(1.5rem, 5vw, 3rem);
  background: rgba(244, 240, 235, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-logo svg {
  height: 22px;
  width: auto;
  color: var(--tinta);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tinta);
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--cadmio);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tinta);
  transition: color 0.3s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: none;
  padding: 0;
}

.nav-dropdown:hover .nav-dropdown-trigger,
.nav-dropdown-trigger:hover {
  color: var(--cadmio);
}

.nav-dropdown-trigger::after {
  content: '▾';
  font-size: 0.6rem;
  transition: transform 0.2s ease;
}

.nav-dropdown:hover .nav-dropdown-trigger::after {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 220px;
  background: rgba(28, 28, 30, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(244, 240, 235, 0.1);
  padding: 0.75rem 0 0.5rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown:hover .nav-dropdown-trigger::after,
.nav-dropdown.open .nav-dropdown-trigger::after {
  transform: rotate(180deg);
}

.nav-dropdown-menu a {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--marfil);
  padding: 0.65rem 1.25rem;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-dropdown-menu a:hover {
  background: rgba(217, 43, 31, 0.12);
  color: var(--cadmio);
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tinta);
  padding: 0.55rem 1.4rem;
  border: 1.5px solid var(--tinta);
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background: var(--cadmio);
  color: var(--marfil);
  border-color: var(--cadmio);
}

/* Hamburger menu */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  z-index: 110;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--tinta);
  margin: 5px 0;
  transition: all 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile navigation */
@media (max-width: 767px) {
  .nav-hamburger {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70vw;
    max-width: 300px;
    height: 100vh;
    background: rgba(28, 28, 30, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right 0.3s ease;
    z-index: 105;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links .nav-link,
  .nav-links .nav-dropdown-trigger,
  .nav-links .nav-dropdown-menu a {
    color: var(--marfil) !important;
    font-size: 0.85rem;
  }

  .nav-links .nav-cta {
    color: var(--marfil) !important;
    border-color: var(--marfil) !important;
  }

  .nav-dropdown-menu {
    position: static !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: none !important;
    background: transparent !important;
    border: none !important;
    backdrop-filter: none !important;
    padding: 0.5rem 0 0 1rem !important;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 104;
  }

  .nav-overlay.open {
    display: block;
  }
}

/* ========================================
   TEXTURE — Grain / Noise
   ======================================== */

/* Light backgrounds: multiply grain */
.grain {
  position: relative;
}

.grain > * {
  position: relative;
  z-index: 2;
}

.grain::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  background-repeat: repeat;
  background-size: 256px 256px;
  opacity: 0.035;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 1;
}

/* Dark backgrounds: soft-light grain */
.grain-dark {
  position: relative;
}

.grain-dark > * {
  position: relative;
  z-index: 2;
}

.grain-dark::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  background-repeat: repeat;
  background-size: 256px 256px;
  opacity: 0.045;
  mix-blend-mode: soft-light;
  pointer-events: none;
  z-index: 1;
}

/* ========================================
   UTILITIES
   ======================================== */

/* Text highlighter / marcatextos effect */
.mark {
  font-style: normal;
  font-weight: inherit;
  color: var(--azul);
  background: linear-gradient(
    104deg,
    transparent 0%,
    rgba(61, 90, 110, 0.10) 5%,
    rgba(61, 90, 110, 0.18) 20%,
    rgba(61, 90, 110, 0.18) 80%,
    rgba(61, 90, 110, 0.06) 95%,
    transparent 100%
  );
  padding: 1px 2px;
  border-radius: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* Monospace utility */
.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}