/* ============================================
   Mara Vantrelle — Dark Romance Author Brand
   Main Stylesheet
   ============================================ */

/* --- CSS Custom Properties (Brand Tokens) --- */
:root {
  --rich-black: #0A0A0A;
  --charcoal-smoke: #1C1C1E;
  --vantrelle-crimson: #8B0000;
  --gilded-edge: #C9A84C;
  --smoke-ivory: #E8E0D4;
  --ash: #6B6B6B;
  --noir-wine: #4A0E1A;

  --font-title: 'Cinzel', serif;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Lora', serif;
  --font-ui: 'Montserrat', sans-serif;
}

/* --- Base Reset & Defaults --- */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0;
  background-color: var(--rich-black);
  color: var(--smoke-ivory);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* Satin wave layer 1 — slow drift */
@keyframes satinWave1 {
  0%   { transform: scale(1.3) translate(0%, 0%); }
  25%  { transform: scale(1.3) translate(-4%, -3%); }
  50%  { transform: scale(1.3) translate(-2%, -6%); }
  75%  { transform: scale(1.3) translate(-6%, -2%); }
  100% { transform: scale(1.3) translate(0%, 0%); }
}

/* Satin wave layer 2 — counter-drift, mirrored, different speed */
@keyframes satinWave2 {
  0%   { transform: scale(1.35) scaleX(-1) translate(0%, 0%); }
  25%  { transform: scale(1.35) scaleX(-1) translate(-5%, -2%); }
  50%  { transform: scale(1.35) scaleX(-1) translate(-1%, -5%); }
  75%  { transform: scale(1.35) scaleX(-1) translate(-4%, -1%); }
  100% { transform: scale(1.35) scaleX(-1) translate(0%, 0%); }
}

/* Satin layer 1 — primary fabric texture */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  background-image: url('/assets/satin-texture.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: saturate(0.4);
  mix-blend-mode: soft-light;
  opacity: 0.7;
  animation: satinWave1 20s ease-in-out infinite;
  will-change: transform;
}

/* Satin layer 2 — mirrored counter-wave for ripple effect */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 10001;
  pointer-events: none;
  background-image: url('/assets/satin-texture.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: saturate(0.3) brightness(0.85);
  mix-blend-mode: soft-light;
  opacity: 0.45;
  animation: satinWave2 28s ease-in-out infinite;
  will-change: transform;
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

.font-title {
  font-family: var(--font-title);
}

.font-heading {
  font-family: var(--font-heading);
}

.font-body {
  font-family: var(--font-body);
}

.font-ui {
  font-family: var(--font-ui);
}

/* --- Brand Color Utilities --- */
.bg-rich-black { background-color: var(--rich-black); }
.bg-charcoal { background-color: var(--charcoal-smoke); }
.bg-crimson { background-color: var(--vantrelle-crimson); }
.bg-gilded { background-color: var(--gilded-edge); }
.bg-ivory { background-color: var(--smoke-ivory); }
.bg-noir-wine { background-color: var(--noir-wine); }

.text-rich-black { color: var(--rich-black); }
.text-charcoal { color: var(--charcoal-smoke); }
.text-crimson { color: var(--vantrelle-crimson); }
.text-gilded { color: var(--gilded-edge); }
.text-ivory { color: var(--smoke-ivory); }
.text-ash { color: var(--ash); }
.text-noir-wine { color: var(--noir-wine); }

.border-crimson { border-color: var(--vantrelle-crimson); }
.border-gilded { border-color: var(--gilded-edge); }

/* --- Gradients --- */
.gradient-noir {
  background: linear-gradient(180deg, var(--rich-black) 0%, var(--noir-wine) 50%, var(--rich-black) 100%);
}

.gradient-noir-down {
  background: linear-gradient(180deg, var(--rich-black) 0%, var(--charcoal-smoke) 100%);
}

.gradient-crimson-noir {
  background: linear-gradient(135deg, var(--vantrelle-crimson) 0%, var(--noir-wine) 100%);
}

.gradient-overlay {
  background:
    repeating-linear-gradient(
      140deg,
      transparent,
      transparent 45px,
      rgba(255,255,255,0.008) 45px,
      rgba(255,255,255,0.012) 47px,
      transparent 47px,
      transparent 90px
    ),
    linear-gradient(180deg, rgba(10,10,10,0.95) 0%, rgba(74,14,26,0.6) 50%, rgba(10,10,10,0.95) 100%);
}

/* --- CTA Button --- */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  background-color: var(--vantrelle-crimson);
  color: var(--smoke-ivory);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(139, 0, 0, 0.3);
}

.btn-cta:hover {
  background-color: #a00000;
  box-shadow: 0 6px 30px rgba(139, 0, 0, 0.5), 0 0 40px rgba(139, 0, 0, 0.15);
  transform: translateY(-2px);
}

.btn-cta:active {
  transform: translateY(0);
}

.btn-cta::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(201,168,76,0.15), transparent);
  transition: left 0.5s ease;
}

.btn-cta:hover::after {
  left: 100%;
}

/* --- Secondary / Ghost Button --- */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background-color: transparent;
  color: var(--gilded-edge);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--gilded-edge);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.35s ease;
}

.btn-ghost:hover {
  background-color: var(--gilded-edge);
  color: var(--rich-black);
  box-shadow: 0 0 25px rgba(201,168,76,0.2);
}

/* --- Trope Pill --- */
.trope-pill {
  display: inline-block;
  padding: 0.45rem 1.2rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gilded-edge);
  border: 1px solid rgba(201,168,76,0.4);
  border-radius: 100px;
  background: rgba(201,168,76,0.06);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.trope-pill:hover {
  border-color: var(--gilded-edge);
  background: rgba(201,168,76,0.12);
  box-shadow: 0 0 15px rgba(201,168,76,0.1);
}

/* --- Heat Level Flames --- */
.flame {
  display: inline-block;
  font-size: 1.25rem;
  transition: filter 0.3s ease;
}

.flame-active {
  filter: none;
}

.flame-inactive {
  filter: grayscale(1) opacity(0.3);
}

/* --- Gold Glow / Accent Animations --- */
@keyframes goldPulse {
  0%, 100% { box-shadow: 0 0 5px rgba(201,168,76,0.2); }
  50% { box-shadow: 0 0 25px rgba(201,168,76,0.35); }
}

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

.gold-glow {
  animation: goldPulse 3s ease-in-out infinite;
}

.gold-shimmer {
  background: linear-gradient(
    90deg,
    var(--gilded-edge) 0%,
    #E8D48B 25%,
    var(--gilded-edge) 50%,
    #E8D48B 75%,
    var(--gilded-edge) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: goldShimmer 4s linear infinite;
}

/* --- Divider / Ornament --- */
.divider-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 3rem auto;
  max-width: 300px;
}

.divider-ornament::before,
.divider-ornament::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gilded-edge), transparent);
}

.divider-ornament span {
  color: var(--gilded-edge);
  font-size: 1.25rem;
}

/* --- Form Inputs --- */
.form-input {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background-color: rgba(28, 28, 30, 0.8);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 2px;
  color: var(--smoke-ivory);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input::placeholder {
  color: var(--ash);
}

.form-input:focus {
  outline: none;
  border-color: var(--gilded-edge);
  box-shadow: 0 0 15px rgba(201,168,76,0.1);
}

/* --- Section Styling --- */
.section-dark {
  background-color: var(--rich-black);
}

.section-charcoal {
  background-color: var(--charcoal-smoke);
}

/* --- Responsive Helpers --- */
@media (max-width: 768px) {
  .btn-cta {
    padding: 0.85rem 2rem;
    font-size: 0.875rem;
    width: 100%;
  }

  .btn-ghost {
    width: 100%;
  }
}

/* --- Social Link Icons --- */
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 50%;
  color: var(--gilded-edge);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.1rem;
}

.social-link:hover {
  background: rgba(201,168,76,0.1);
  border-color: var(--gilded-edge);
  box-shadow: 0 0 20px rgba(201,168,76,0.15);
  transform: translateY(-2px);
}

/* --- Fade-In Animation --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-up-delay-1 { animation-delay: 0.15s; opacity: 0; }
.fade-in-up-delay-2 { animation-delay: 0.3s; opacity: 0; }
.fade-in-up-delay-3 { animation-delay: 0.45s; opacity: 0; }
.fade-in-up-delay-4 { animation-delay: 0.6s; opacity: 0; }

/* --- Scroll-triggered fade (JS-powered) --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Page Transition --- */
.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 3;
}

.page-wrapper main {
  flex: 1;
}

/* --- Selection Color --- */
::selection {
  background: var(--vantrelle-crimson);
  color: var(--smoke-ivory);
}

::-moz-selection {
  background: var(--vantrelle-crimson);
  color: var(--smoke-ivory);
}

/* --- Scrollbar (Webkit) --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--rich-black);
}

::-webkit-scrollbar-thumb {
  background: var(--noir-wine);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--vantrelle-crimson);
}