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

@custom-variant dark (&:where(.dark, .dark *));

@theme {
  --color-brand-blue: #0077c2;
  --color-brand-navy: #001f5b;
  --color-brand-black: #0a0a0a;
  --color-brand-red: #3b82f6;
  --color-bg-light: #f9f9f7;
  --color-bg-alt: #f0efec;
  --color-border-light: #dddbd5;
  --color-text-secondary: #6a6866;
  --color-dark-bg: #080c14;
  --color-dark-surface: #0f1520;
  --color-dark-border: #1c2535;

  --font-sans: 'Quicksand', system-ui, sans-serif;
  --font-display: 'Quicksand', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, monospace;

  /* shadcn/ui tokens */
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --radius: 0.5rem;
}

:root {
  color-scheme: light;
  --background: #f9f9f7;
  --foreground: #0a0a0a;
  --card: #ffffff;
  --card-foreground: #0a0a0a;
  --popover: #ffffff;
  --popover-foreground: #0a0a0a;
  --primary: #3b82f6;
  --primary-foreground: #ffffff;
  --secondary: #f0efec;
  --secondary-foreground: #0a0a0a;
  --muted: #f0efec;
  --muted-foreground: #6a6866;
  --accent: #3b82f6;
  --accent-foreground: #ffffff;
  --destructive: #dc2626;
  --destructive-foreground: #ffffff;
  --border: #dddbd5;
  --input: #dddbd5;
  --ring: #3b82f6;
}

.dark {
  color-scheme: dark;
  --background: #080c14;
  --foreground: #f9f9f7;
  --card: #0f1520;
  --card-foreground: #f9f9f7;
  --popover: #0f1520;
  --popover-foreground: #f9f9f7;
  --primary: #3b82f6;
  --primary-foreground: #ffffff;
  --secondary: #141b29;
  --secondary-foreground: #f9f9f7;
  --muted: #141b29;
  --muted-foreground: #8a93a6;
  --accent: #3b82f6;
  --accent-foreground: #ffffff;
  --destructive: #ef4444;
  --destructive-foreground: #ffffff;
  --border: #1c2535;
  --input: #1c2535;
  --ring: #3b82f6;
}

@layer base {

  body {
    @apply font-sans antialiased m-0 p-0;
    /* overflow-x: clip (not hidden) avoids forcing overflow-y to auto,
       so this element can never become its own "parent" scroll container. */
    overflow-x: clip;
    overflow-y: visible;
    background-color: var(--background);
    color: var(--foreground);
  }

  h1, h2, h3, h4, .font-display {
    font-family: var(--font-display);
  }

  *:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
  }
}

/* Typography scale */
.text-display {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.text-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.text-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.text-mono-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Section wave divider */
.section-wave {
  position: relative;
}
.section-wave::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: 0.12;
  pointer-events: none;
}

/* Bg patterns */
.bg-dot-grid {
  background-image: radial-gradient(circle, currentColor 1px, transparent 1px);
  background-size: 24px 24px;
}

.bg-grid-lines {
  background-image:
    linear-gradient(currentColor 1px, transparent 1px),
    linear-gradient(to right, currentColor 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Ticker */
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.animate-ticker {
  animation: ticker 32s linear infinite;
}

/* Anatomy accordion */
.anatomy-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 320ms cubic-bezier(0.4, 0, 0.2, 1);
}
.anatomy-body.open {
  grid-template-rows: 1fr;
}
.anatomy-body-inner {
  overflow: hidden;
}

/* Principles hover */
.principle-desc {
  max-height: 0;
  overflow: hidden;
  transition: max-height 320ms cubic-bezier(0.4, 0, 0.2, 1);
}
.principle-item:hover .principle-desc,
.principle-item:focus-within .principle-desc {
  max-height: 120px;
}

/* Modal fade */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.animate-fadeIn {
  animation: fadeIn 200ms ease;
}

/* Aviso de privacidad — contenido editorial */
.prose-rynext h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--foreground);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}
.prose-rynext p,
.prose-rynext ul {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}
.prose-rynext ul {
  padding-left: 1.25rem;
  list-style: disc;
}
.prose-rynext li {
  margin-bottom: 0.35rem;
}
.prose-rynext a {
  color: #3b82f6;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prose-rynext strong {
  color: var(--foreground);
  font-weight: 600;
}

/* Hero ambient blobs — pure CSS (compositor), avoids JS-driven rAF work during scroll */
@keyframes hero-blob-a {
  0%   { opacity: 0;    transform: scale(0.85) translate(0, 0); }
  8%   { opacity: 1; }
  50%  { opacity: 0.85; transform: scale(1.05) translate(16px, -20px); }
  75%  { opacity: 1;    transform: scale(1) translate(-10px, 8px); }
  100% { opacity: 1;    transform: scale(1) translate(0, 0); }
}
@keyframes hero-blob-b {
  0%   { opacity: 0;   transform: scale(0.9) translate(0, 0); }
  10%  { opacity: 0.6; }
  50%  { opacity: 0.7; transform: scale(1.08) translate(-40px, 30px); }
  75%  { opacity: 0.6; transform: scale(0.95) translate(20px, -16px); }
  100% { opacity: 0.6; transform: scale(1.05) translate(0, 0); }
}
.animate-hero-blob-a {
  animation: hero-blob-a 9s ease-in-out infinite;
  animation-delay: 0.2s;
}
.animate-hero-blob-b {
  animation: hero-blob-b 11s ease-in-out infinite;
  animation-delay: 0.3s;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .animate-ticker {
    animation: none;
  }
  .animate-hero-blob-a,
  .animate-hero-blob-b {
    animation: none;
    opacity: 1;
  }
}

/* Chrome usa un color de placeholder distinto por defecto para <textarea>
   que para <input> (gris muy oscuro, casi ilegible sobre fondos oscuros).
   Forzamos a que herede el color de texto del propio campo, igual que
   ya ocurre con los <input>. */
textarea::placeholder {
  color: currentColor;
  opacity: 0.5;
}