/* ============================================================
   LUCIENE RODRIGUES — DESIGN SYSTEM
   Terror/Suspense Maduro | 2024
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Cinzel+Decorative:wght@400;700;900&family=Cinzel:wght@400;500;600;700&family=Crimson+Pro:ital,wght@0,300;0,400;0,600;1,300;1,400;1,600&family=Inter:wght@300;400;500;600&display=swap');

/* ============================================================
   DESIGN TOKENS — CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* ── Color Palette ── */
  --void:        #080a0f;
  --shadow:      #0f1219;
  --smoke:       #1a1e2a;
  --ash:         #252833;
  --veil:        #2a2d3a;
  --bone:        #c8c2b4;
  --ghost:       #e8e3d8;
  --white:       #f5f2ed;

  --crimson:     #8b1a1a;
  --blood:       #c0392b;
  --rose-dark:   #6b1515;
  --rust:        #6b2d0f;

  --mist:        #253545;
  --moonlight:   #8ba8bf;
  --ice:         #c8dae8;

  /* ── Semantic ── */
  --bg-primary:    var(--void);
  --bg-secondary:  var(--shadow);
  --bg-elevated:   var(--smoke);
  --bg-card:       var(--ash);
  --border-subtle: var(--veil);
  --border-glow:   var(--crimson);

  --text-primary:   var(--ghost);
  --text-secondary: var(--bone);
  --text-muted:     #6a6d7a;
  --text-accent:    var(--blood);
  --text-cool:      var(--moonlight);

  --accent:         var(--blood);
  --accent-dark:    var(--crimson);
  --accent-hover:   #d44235;

  /* ── Typography ── */
  --font-display:  'Cinzel Decorative', 'Georgia', serif;
  --font-heading:  'Cinzel', 'Georgia', serif;
  --font-body:     'Crimson Pro', 'Georgia', serif;
  --font-ui:       'Inter', system-ui, sans-serif;

  --size-xs:   0.75rem;   /* 12px */
  --size-sm:   0.875rem;  /* 14px */
  --size-base: 1rem;      /* 16px */
  --size-md:   1.125rem;  /* 18px */
  --size-lg:   1.25rem;   /* 20px */
  --size-xl:   1.5rem;    /* 24px */
  --size-2xl:  2rem;      /* 32px */
  --size-3xl:  2.5rem;    /* 40px */
  --size-4xl:  3rem;      /* 48px */
  --size-5xl:  3.75rem;   /* 60px */
  --size-6xl:  4.5rem;    /* 72px */
  --size-7xl:  6rem;      /* 96px */
  --size-8xl:  8rem;      /* 128px */

  --leading-tight:  1.2;
  --leading-snug:   1.35;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  --tracking-tight:  -0.02em;
  --tracking-normal:  0;
  --tracking-wide:    0.05em;
  --tracking-wider:   0.1em;
  --tracking-widest:  0.2em;

  /* ── 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;
  --space-40: 10rem;

  /* ── Layout ── */
  --container-sm:  640px;
  --container-md:  768px;
  --container-lg:  1024px;
  --container-xl:  1280px;
  --container-2xl: 1440px;

  /* ── Borders & Radius ── */
  --radius-sm:   2px;
  --radius-base: 4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.6);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.7);
  --shadow-xl:  0 16px 64px rgba(0,0,0,0.8);
  --shadow-glow-red:  0 0 40px rgba(139,26,26,0.4), 0 0 80px rgba(139,26,26,0.15);
  --shadow-glow-blue: 0 0 40px rgba(37,53,69,0.6);
  --shadow-book: 8px 12px 40px rgba(0,0,0,0.85), 2px 3px 8px rgba(139,26,26,0.2);

  /* ── Transitions ── */
  --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-elastic: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:     cubic-bezier(0, 0, 0.2, 1);
  --ease-in:      cubic-bezier(0.4, 0, 1, 1);

  --duration-fast:   150ms;
  --duration-base:   250ms;
  --duration-slow:   400ms;
  --duration-slower: 700ms;
  --duration-slowest: 1200ms;

  /* ── Z-Index ── */
  --z-below:    -1;
  --z-base:      0;
  --z-elevated:  10;
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-overlay:   300;
  --z-modal:     400;
  --z-cursor:    9999;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--size-md);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  cursor: none; /* Custom cursor */
}

/* Hide default cursor for interactive elements too */
a, button, [role="button"], input, select, textarea, label {
  cursor: none;
}

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

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

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

/* ── Focus Styles ── */
:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: 3px;
}

/* ── Selection ── */
::selection {
  background: var(--crimson);
  color: var(--white);
}

/* ============================================================
   TYPOGRAPHY SCALE
   ============================================================ */
.font-display  { font-family: var(--font-display); }
.font-heading  { font-family: var(--font-heading); }
.font-body     { font-family: var(--font-body); }
.font-ui       { font-family: var(--font-ui); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wide);
  color: var(--text-primary);
}

.display-1 {
  font-family: var(--font-display);
  font-size: clamp(var(--size-4xl), 8vw, var(--size-8xl));
  font-weight: 700;
  letter-spacing: var(--tracking-widest);
  line-height: 1.05;
  text-transform: uppercase;
}

.display-2 {
  font-family: var(--font-display);
  font-size: clamp(var(--size-3xl), 5vw, var(--size-6xl));
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  line-height: 1.1;
}

.heading-1 {
  font-size: clamp(var(--size-2xl), 4vw, var(--size-5xl));
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
}

.heading-2 {
  font-size: clamp(var(--size-xl), 3vw, var(--size-3xl));
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
}

.heading-3 {
  font-size: clamp(var(--size-lg), 2vw, var(--size-2xl));
  font-weight: 500;
}

.overline {
  font-family: var(--font-ui);
  font-size: var(--size-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-accent);
}

.body-lg {
  font-size: var(--size-lg);
  line-height: var(--leading-loose);
}

.body-md {
  font-size: var(--size-md);
  line-height: var(--leading-normal);
}

.body-sm {
  font-size: var(--size-base);
  line-height: var(--leading-normal);
}

.caption {
  font-family: var(--font-ui);
  font-size: var(--size-sm);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

.container-sm  { max-width: var(--container-sm); }
.container-md  { max-width: var(--container-md); }
.container-lg  { max-width: var(--container-lg); }
.container-2xl { max-width: var(--container-2xl); }

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-40));
}

.section-sm {
  padding-block: clamp(var(--space-10), 6vw, var(--space-24));
}

/* Grid */
.grid { display: grid; }
.flex { display: flex; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb {
  background: var(--crimson);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--blood); }

/* ============================================================
   ANIMATIONS — KEYFRAMES
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(139,26,26,0.3); }
  50%       { box-shadow: 0 0 40px rgba(192,57,43,0.6), 0 0 80px rgba(139,26,26,0.2); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes glitch-text {
  0%   { clip-path: polygon(0 2%, 100% 2%, 100% 5%, 0 5%); transform: translate(-2px); }
  20%  { clip-path: polygon(0 15%, 100% 15%, 100% 15%, 0 15%); transform: translate(2px); }
  40%  { clip-path: polygon(0 45%, 100% 45%, 100% 47%, 0 47%); transform: translate(-2px); }
  60%  { clip-path: polygon(0 68%, 100% 68%, 100% 72%, 0 72%); transform: translate(2px); }
  80%  { clip-path: polygon(0 88%, 100% 88%, 100% 90%, 0 90%); transform: translate(-2px); }
  100% { clip-path: polygon(0 95%, 100% 95%, 100% 100%, 0 100%); transform: translate(2px); }
}

@keyframes reveal-up {
  from {
    clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%);
    transform: translateY(10px);
  }
  to {
    clip-path: polygon(0 0%, 100% 0%, 100% 100%, 0 100%);
    transform: translateY(0);
  }
}

@keyframes cursor-trail {
  from { opacity: 0.6; transform: scale(1); }
  to   { opacity: 0; transform: scale(3); }
}

@keyframes scroll-indicator {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

@keyframes text-reveal-line {
  0%   { transform: scaleX(1); }
  100% { transform: scaleX(0); transform-origin: right; }
}

/* ── Intersection Observer classes ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Delay utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }
.delay-7 { transition-delay: 0.7s; }
.delay-8 { transition-delay: 0.8s; }

/* ============================================================
   RESPONSIVE HELPERS
   ============================================================ */
@media (max-width: 768px) {
  body { cursor: auto; }
  a, button { cursor: pointer; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }
}