/* WhisperTeller — landing page styles
 * Palette: bursztynowe złoto + parchment dark + bronze accents
 * Inspired by: illuminated manuscript, slavic folklore, dark fantasy
 * No frameworks. Vanilla CSS. Mobile-first. ~6KB minified target.
 */

/* ============================================================
 * Color tokens (FolkPalette mirrored from Flutter app)
 * ============================================================ */
:root {
  --amber-accent: #E8B85A;
  --amber-glow: #F5D175;
  --parchment-dark: #1A110A;
  --parchment-mid: #261910;
  --parchment-light: #3B2718;
  --bronze: #8B6339;
  --bronze-dark: #6B4423;
  --bronze-light: #C8994B;
  --text-body: #F5ECD7;
  --text-muted: #B8A684;
  --text-warm: #D4A748;

  --serif: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
  --ui: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --max-width: 1200px;
  --gutter: 1.5rem;
  --radius: 4px;
}

/* ============================================================
 * Base
 * ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ui);
  background: var(--parchment-dark);
  color: var(--text-body);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

a { color: var(--amber-accent); text-decoration: none; transition: color 120ms; }
a:hover { color: var(--amber-glow); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Headings = serif */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--amber-glow);
}

/* ============================================================
 * Top nav
 * ============================================================ */
.topnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(to bottom, rgba(26, 17, 10, 0.95), rgba(26, 17, 10, 0.7));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(139, 99, 57, 0.3);
}

.topnav__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--amber-glow);
}
.topnav__brand img { width: 36px; height: auto; }

.topnav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.topnav__links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}
.topnav__links a:hover { color: var(--amber-accent); }
.topnav__lang {
  border: 1px solid var(--bronze);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  font-size: 0.8rem !important;
}

@media (max-width: 700px) {
  .topnav__links a:not(.topnav__lang) { display: none; }
}

/* ============================================================
 * Hero
 * ============================================================ */
.hero {
  min-height: 100vh;
  background-image: url('assets/hero_bg.jpg');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px; /* nav offset */
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(26, 17, 10, 0.92) 0%, rgba(26, 17, 10, 0.6) 50%, rgba(26, 17, 10, 0.2) 100%);
  z-index: 1;
}

.hero__overlay {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
  max-width: 600px;
  margin-left: max(var(--gutter), calc((100vw - var(--max-width)) / 2));
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  margin-bottom: 0.5rem;
  color: var(--amber-glow);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
  font-family: var(--serif);
  font-weight: 700;
}

.hero__tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  color: var(--text-warm);
  margin-bottom: 1.5rem;
}

.hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-body);
  margin-bottom: 2rem;
  max-width: 500px;
}
.hero__sub em { color: var(--amber-accent); font-style: italic; font-weight: 600; }

.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================================
 * Buttons
 * ============================================================ */
.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border: 2px solid;
  border-radius: var(--radius);
  font-family: var(--ui);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 180ms;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.btn--primary {
  background: var(--amber-accent);
  color: var(--parchment-dark);
  border-color: var(--amber-accent);
}
.btn--primary:hover {
  background: var(--amber-glow);
  border-color: var(--amber-glow);
  color: var(--parchment-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 184, 90, 0.4);
}

.btn--ghost {
  background: transparent;
  color: var(--amber-accent);
  border-color: var(--bronze);
}
.btn--ghost:hover {
  background: rgba(232, 184, 90, 0.1);
  border-color: var(--amber-accent);
  color: var(--amber-glow);
}

/* ============================================================
 * Section base
 * ============================================================ */
.section {
  padding: 5rem 0;
  position: relative;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-align: center;
  margin-bottom: 1rem;
  color: var(--amber-glow);
}

.section__sub {
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 3rem;
  font-family: var(--serif);
}

/* ============================================================
 * About section
 * ============================================================ */
.about { background: var(--parchment-mid); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
}

.about__text p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  color: var(--text-body);
}
.about__text strong { color: var(--amber-accent); }

.about__art {
  border: 2px solid var(--bronze);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

@media (max-width: 800px) {
  .about__grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ============================================================
 * Features section
 * ============================================================ */
.features { background: var(--parchment-dark); }

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature {
  background: var(--parchment-mid);
  border: 1px solid var(--bronze-dark);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: all 200ms;
}
.feature:hover {
  border-color: var(--amber-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}
.feature__icon {
  color: var(--amber-accent);
  margin-bottom: 1rem;
  line-height: 0;
}
.feature__icon svg {
  width: 36px;
  height: 36px;
}
.feature h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--amber-accent);
}
.feature p {
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ============================================================
 * Screenshots section
 * ============================================================ */
.screenshots { background: var(--parchment-mid); }

.screenshots__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.screenshot {
  background: var(--parchment-dark);
  border: 1px solid var(--bronze-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 200ms;
}
.screenshot:hover {
  border-color: var(--amber-accent);
  transform: translateY(-2px);
}

.screenshot__img {
  aspect-ratio: 9 / 19.5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  background: linear-gradient(135deg, var(--parchment-light) 0%, var(--parchment-dark) 100%);
  color: var(--bronze);
  overflow: hidden;
}
.screenshot__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.screenshot--placeholder .screenshot__img {
  filter: grayscale(0.3) opacity(0.7);
}

.screenshot figcaption {
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-family: var(--serif);
  font-style: italic;
}

.screenshots__note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
  margin-top: 1.5rem;
}

/* ============================================================
 * Roadmap section
 * ============================================================ */
.roadmap { background: var(--parchment-dark); }

.roadmap__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.roadmap__item {
  background: var(--parchment-mid);
  border-left: 4px solid;
  padding: 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: all 180ms;
}
.roadmap__item--done { border-color: #6BAE5A; }
.roadmap__item--inprogress { border-color: var(--amber-accent); }
.roadmap__item--planned { border-color: var(--bronze); }
.roadmap__item--idea { border-color: var(--text-muted); }

.roadmap__item:hover { transform: translateX(4px); }

.roadmap__status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.roadmap__status svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.roadmap__item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--amber-accent);
}
.roadmap__item p {
  color: var(--text-body);
  font-size: 0.95rem;
}

/* ============================================================
 * Wishlist section
 * ============================================================ */
.wishlist {
  background: linear-gradient(135deg, var(--parchment-mid) 0%, var(--parchment-dark) 100%);
  text-align: center;
}

.wishlist__lead {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text-warm);
  margin-bottom: 1.5rem;
}

.wishlist__benefits {
  list-style: none;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  padding: 0;
}
.wishlist__benefits li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem 0;
  font-size: 1.05rem;
  color: var(--text-body);
}
.wishlist__benefits li svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--amber-accent);
}

.wishlist__form {
  display: flex;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.wishlist__input {
  flex: 1 1 240px;
  padding: 0.85rem 1rem;
  background: var(--parchment-light);
  border: 2px solid var(--bronze);
  border-radius: var(--radius);
  color: var(--text-body);
  font-family: var(--ui);
  font-size: 0.95rem;
  transition: border-color 180ms;
}
.wishlist__input::placeholder { color: var(--text-muted); }
.wishlist__input:focus {
  outline: none;
  border-color: var(--amber-accent);
}

.wishlist__note {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ============================================================
 * Footer
 * ============================================================ */
.footer {
  background: #0c0805;
  border-top: 1px solid var(--bronze-dark);
  padding: 3rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 2rem;
  align-items: start;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}
.footer__brand img {
  width: 100px;
  height: auto;
  flex-shrink: 0;
}
.footer__brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
.footer__brand strong { color: var(--amber-accent); }

.footer h4 {
  color: var(--amber-accent);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}
.footer__links ul {
  list-style: none;
  padding: 0;
}
.footer__links li {
  margin-bottom: 0.4rem;
}
.footer__links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer__links a:hover {
  color: var(--amber-accent);
}

.footer__about p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

@media (max-width: 700px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ============================================================
 * Reduced motion
 * ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}