/* ========================================
   FilmSound.ai — Global Styles
   ======================================== */

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

:root {
  --bg: #0a0a0f;
  --bg-alt: #0f0f16;
  --surface: #13131a;
  --surface-hover: #1a1a24;
  --border: #1e1e2a;
  --border-hover: #2a2a3a;
  --text: #e8e8ed;
  --text-secondary: #9898a8;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --orange: #ea580c;
  --orange-hover: #f97316;
  --green: #22c55e;
  --max-width: 1100px;
  --radius: 12px;
  --radius-lg: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---- Header ---- */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.8rem;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* Dropdown */
.dropdown {
  position: relative;
}
.dropdown > a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.dropdown > a::after {
  content: '';
  border: 4px solid transparent;
  border-top-color: var(--text-secondary);
  margin-top: 2px;
  transition: transform 0.2s;
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.875rem;
  transition: background 0.15s;
}
.dropdown-menu a:hover {
  background: var(--surface-hover);
  color: var(--text);
}
.dropdown-menu img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: all 0.3s;
  border-radius: 1px;
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s;
  white-space: nowrap;
  border: none;
  cursor: pointer;
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--border-hover);
}
.btn-orange {
  background: var(--orange);
  color: #fff;
}
.btn-orange:hover { background: var(--orange-hover); color: #fff; }

.btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ---- Hero ---- */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}
.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.75;
}
.hero .btn-group {
  justify-content: center;
}
.hero-sub {
  font-size: 0.85rem !important;
  color: var(--text-secondary) !important;
  margin-top: 1rem !important;
  max-width: 480px !important;
}

/* ---- Section ---- */
.section {
  padding: 4.5rem 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-border {
  border-top: 1px solid var(--border);
}
.section h2 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.section h2.center { text-align: center; }
.section > .container > p.section-intro {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 640px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}
.section > .container > p.section-intro.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Cards Grid ---- */
.cards-grid {
  display: grid;
  gap: 1.5rem;
}
.cards-grid-2 { grid-template-columns: repeat(2, 1fr); }
.cards-grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.25s;
}
.card:hover { border-color: var(--border-hover); }
.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}
.card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* Numbered card */
.card-numbered .card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* ---- Product Card (Landing) ---- */
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: border-color 0.25s;
  display: flex;
  flex-direction: column;
}
.product-card:hover { border-color: var(--border-hover); }
.product-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}
.product-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  margin-bottom: 1.2rem;
}
.product-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.product-card .product-card-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}
.product-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.tag {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}
.product-card .price {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.product-card .price-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
}
.product-card .btn { margin-top: auto; }

/* ---- Screenshots ---- */
.screenshots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}
.screenshots img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  object-fit: cover;
}
.screenshots-caption {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* ---- Feature table / Checklist ---- */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}
.checklist h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.checklist ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.checklist li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding-left: 1.6rem;
  position: relative;
  line-height: 1.6;
}
.checklist li::before {
  position: absolute;
  left: 0;
  top: 0;
}
.checklist-yes li::before { content: '✅'; font-size: 0.8rem; }
.checklist-soon li::before { content: '🔜'; font-size: 0.8rem; }
.checklist-no li::before { content: '—'; color: #555; }

/* ---- Specs ---- */
.specs {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.specs .spec {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.specs .spec strong {
  color: var(--text);
}

/* ---- FAQ Accordion ---- */
.faq {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:first-child {
  border-top: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.2rem 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: inherit;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--accent); }
.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: transform 0.25s;
}
.faq-item.open .faq-question::after {
  content: '−';
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer-inner {
  padding: 0 0 1.2rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 700px;
}

/* ---- Pricing CTA ---- */
.pricing-cta {
  text-align: center;
  padding: 4rem 0;
}
.pricing-cta .price-big {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}
.pricing-cta p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 0.3rem;
}
.pricing-cta .btn-group {
  justify-content: center;
  margin-top: 1.5rem;
}

/* ---- Contact Form ---- */
.contact-form {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1.1rem;
  font-size: 1rem;
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #444;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}
.form-group textarea {
  resize: vertical;
  min-height: 150px;
}
.contact-form .btn {
  align-self: flex-start;
  padding: 0.8rem 2rem;
  font-size: 0.95rem;
  margin-top: 0.3rem;
}
.contact-status {
  font-size: 0.95rem;
  margin-top: 0.3rem;
  line-height: 1.6;
}
.contact-status.success { color: var(--green); }
.contact-status.error { color: #ef4444; }
.form-hidden { display: none; }
.thank-you {
  padding: 2rem 0;
}
.thank-you h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.thank-you p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

/* ---- About page ---- */
.prose {
  max-width: 680px;
}
.prose p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}
.prose p:last-child { margin-bottom: 0; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.footer-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 0.8rem;
}
.footer-links a:hover { color: var(--text); }

/* ---- Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem 1.5rem;
    gap: 0;
  }
  .nav-links.open > li { padding: 0.6rem 0; }
  .nav-links.open .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0 1rem;
    min-width: 0;
    display: none;
  }
  .nav-links.open .dropdown.open .dropdown-menu {
    display: block;
  }
  .hamburger { display: block; }

  .hero { padding: 3.5rem 0 2.5rem; }
  .hero h1 { font-size: clamp(1.7rem, 5vw, 2.4rem); }

  .cards-grid-2,
  .cards-grid-3 { grid-template-columns: 1fr; }

  .screenshots { grid-template-columns: 1fr; }

  .checklist-grid { grid-template-columns: 1fr; gap: 2rem; }

  .footer-inner { flex-direction: column; gap: 0.8rem; text-align: center; }
}