/* PawCare Promo Website — Dark Pet Wellness Theme */
:root {
  --color-primary: #FFD700;
  --color-primary-hover: #FFC107;
  --color-secondary: #E2001A;
  --color-accent: #FF4444;
  --color-bg: #1A0A0A;
  --color-bg-lighter: #2A1515;
  --color-surface: #221010;
  --color-surface-hover: #331A1A;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #FFBBBB;
  --color-text-muted: #996666;
  --color-success: #28A745;
  --color-border: #3A2020;
  --border-radius: 14px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;
  --font-family: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: 60px;
}
.navbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
  flex-shrink: 0;
}
.navbar-logo .paw-icon { font-size: 26px; }
.navbar-links {
  display: flex;
  gap: 24px;
  list-style: none;
  align-items: center;
}
.navbar-links a {
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
  white-space: nowrap;
}
.navbar-links a:hover,
.navbar-links a.active { color: var(--color-primary); }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 640px) {
  .hamburger { display: flex; }
  .navbar-links {
    display: none;
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: rgba(26, 10, 10, 0.97);
    flex-direction: column;
    padding: 16px 20px;
    gap: 12px;
    border-bottom: 1px solid var(--color-border);
  }
  .navbar-links.open { display: flex; }
}

/* ── Hero ── */
.hero {
  padding: 100px 20px 60px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #1A0A0A 0%, #2A1010 40%, #1A0A0A 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,215,0,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  max-width: 1100px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 60px;
}
.hero-content { flex: 1; min-width: 0; }
.hero-badge {
  display: inline-block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
}
.hero-title .highlight { color: var(--color-primary); }
.hero-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
  line-height: 1.7;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-device {
  flex-shrink: 0;
  width: 280px;
  position: relative;
}
.device-frame {
  position: relative;
  background: #000;
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 2px #333;
}
.device-frame img {
  width: 100%;
  border-radius: 22px;
  display: block;
}
.device-frame::before {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 22px;
  background: #111;
  border-radius: 0 0 12px 12px;
  z-index: 2;
}

@media (max-width: 768px) {
  .hero-inner { flex-direction: column-reverse; text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-device { width: 220px; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  text-align: center;
  line-height: 1;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--color-primary);
  color: #1A0A0A;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #1A0A0A;
  box-shadow: 0 4px 20px rgba(255,215,0,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ── Sections ── */
.section {
  padding: 80px 20px;
  max-width: 1100px;
  margin: 0 auto;
}
.section-dark {
  background: var(--color-surface);
  max-width: none;
}
.section-dark .section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 16px;
  margin-bottom: 48px;
  max-width: 560px;
}
.section-center { text-align: center; }
.section-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ── Features Grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--color-bg-lighter);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 28px;
  transition: transform 0.25s, border-color 0.25s;
  text-align: left;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}
.feature-icon {
  width: 48px; height: 48px;
  background: var(--color-surface);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── Screenshots Carousel ── */
.screenshots-section {
  padding: 60px 20px;
  max-width: 1100px;
  margin: 0 auto;
}
.carousel-container {
  position: relative;
  max-width: 360px;
  margin: 0 auto;
  overflow: hidden;
}
.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
}
.carousel-slide {
  min-width: 100%;
  display: flex;
  justify-content: center;
  padding: 0 10px;
}
.carousel-slide img {
  max-height: 380px;
  width: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  cursor: pointer;
  transition: filter 0.3s;
}
.carousel-slide img.loading { filter: blur(5px); }
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px; height: 40px;
  background: var(--color-bg-lighter);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: 18px;
  z-index: 5;
  transition: background 0.2s, border-color 0.2s;
}
.carousel-btn:hover { background: var(--color-surface-hover); border-color: var(--color-primary); }
.carousel-prev { left: -4px; }
.carousel-next { right: -4px; }
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}
.carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.carousel-dot.active {
  background: var(--color-primary);
  transform: scale(1.3);
}

/* ── Lightbox ── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 200;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--border-radius);
  box-shadow: 0 0 40px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  font-size: 32px;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
}

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-bg-lighter), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 48px 32px;
  text-align: center;
  margin: 0 20px;
  max-width: 1060px;
  margin-left: auto;
  margin-right: auto;
}
.cta-banner h2 { font-size: clamp(22px, 3vw, 32px); margin-bottom: 12px; }
.cta-banner p { color: var(--color-text-secondary); margin-bottom: 28px; font-size: 16px; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 20px;
  margin-top: 80px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-size: 13px;
  color: var(--color-text-muted);
}
.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}
.footer-links a {
  font-size: 13px;
  color: var(--color-text-secondary);
}
.footer-links a:hover { color: var(--color-primary); }

@media (max-width: 640px) {
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ── Content Pages (Privacy, Terms, Contact) ── */
.page-header {
  padding: 100px 20px 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-lighter), var(--color-bg));
}
.page-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 8px;
}
.page-header p { color: var(--color-text-secondary); font-size: 15px; }

.content-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.content-container h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 36px 0 14px;
  color: var(--color-primary);
}
.content-container h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 10px;
}
.content-container p {
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
  text-align: left;
}
.content-container ul, .content-container ol {
  color: var(--color-text-secondary);
  margin: 0 0 16px 20px;
  line-height: 1.7;
  text-align: left;
}
.content-container li { margin-bottom: 6px; }
.content-container a { color: var(--color-primary); text-decoration: underline; }

/* ── Contact Form ── */
.contact-card {
  background: var(--color-bg-lighter);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 36px;
  max-width: 560px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 20px;
  text-align: left;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text-primary);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-primary);
  font-size: 15px;
  font-family: var(--font-family);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input[type="file"] {
  padding: 10px;
  font-size: 14px;
}
.form-group input[type="file"]::file-selector-button {
  background: var(--color-bg-lighter);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 6px 14px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  margin-right: 10px;
  font-family: var(--font-family);
}
.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 16px;
}
.form-success {
  background: rgba(40,167,69,0.12);
  border: 1px solid var(--color-success);
  border-radius: var(--border-radius-sm);
  padding: 16px;
  color: var(--color-success);
  text-align: center;
  display: none;
  margin-top: 16px;
}

/* ── Privacy Accept Button (Flutter integration) ── */
.privacy-accept-btn {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 150;
  padding: 24px 20px 28px;
  text-align: center;
  background: linear-gradient(0deg, var(--color-bg) 60%, transparent 100%);
}
.privacy-accept-btn.hidden { display: none; }
.accept-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 48px;
  background: var(--color-primary);
  color: #1A0A0A;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(255,215,0,0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.accept-btn:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 28px rgba(255,215,0,0.45);
}

/* ── Animations (AOS-like manual) ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}