/* ==========================================================================
   Board Game Tournament Organizer - Promo Website
   Theme: Tech/Gaming Dark with Neon Accents
   Extracted from app: Lato + Russo One, #D946EF primary, #08061A background
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Russo+One&family=Lato:wght@300;400;700;900&display=swap');

:root {
  --color-primary: #D946EF;
  --color-primary-dark: #A21CAF;
  --color-secondary: #8B5CF6;
  --color-accent-green: #4ADE80;
  --color-accent-blue: #60A5FA;
  --color-bg-deep: #08061A;
  --color-bg-surface: #130F2E;
  --color-bg-card: #1A1538;
  --color-bg-card-hover: #221C45;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #CE93D8;
  --color-text-muted: rgba(255,255,255,0.45);
  --color-border: rgba(217,70,239,0.2);
  --color-border-hover: rgba(217,70,239,0.45);
  --gradient-primary: linear-gradient(135deg, #D946EF 0%, #8B5CF6 100%);
  --gradient-bg: linear-gradient(180deg, #130F2E 0%, #08061A 100%);
  --gradient-hero: linear-gradient(160deg, #1A0A2E 0%, #0D0620 40%, #08061A 100%);
  --radius: 12px;
  --radius-lg: 18px;
  --radius-pill: 50px;
  --font-display: 'Russo One', sans-serif;
  --font-body: 'Lato', sans-serif;
  --shadow-glow: 0 0 20px rgba(217,70,239,0.25);
  --shadow-glow-strong: 0 0 35px rgba(217,70,239,0.4);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg-deep);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Typography */
h1, h2, h3 { font-family: var(--font-display); letter-spacing: 0.03em; }
h1 { font-size: 2.6rem; line-height: 1.2; }
h2 { font-size: 1.9rem; line-height: 1.3; }
h3 { font-size: 1.3rem; line-height: 1.4; }

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8,6,26,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: rgba(217,70,239,0.1);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 24px 60px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(217,70,239,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
  width: 100%;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(217,70,239,0.12);
  border: 1px solid rgba(217,70,239,0.3);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero h1 {
  margin-bottom: 20px;
  font-size: 2.8rem;
}

.hero h1 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-device {
  flex-shrink: 0;
  width: 280px;
  position: relative;
}

.device-mockup {
  position: relative;
  width: 100%;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-glow), 0 20px 60px rgba(0,0,0,0.5);
  border: 2px solid rgba(217,70,239,0.25);
}

.device-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 0 0 4px 4px;
  z-index: 2;
}

.device-mockup img {
  width: 100%;
  display: block;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  text-align: center;
  line-height: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(217,70,239,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-hover);
}

.btn-outline:hover {
  background: rgba(217,70,239,0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== SECTIONS ===== */
.section {
  padding: 80px 24px;
  position: relative;
}

.section-alt {
  background: var(--color-bg-surface);
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  margin-bottom: 12px;
}

.section-title p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  max-width: 550px;
  margin: 0 auto;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  text-align: left;
}

.feature-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(217,70,239,0.12);
  border: 1px solid rgba(217,70,239,0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== SCREENSHOTS CAROUSEL ===== */
.screenshots-section {
  padding: 80px 24px;
  overflow: hidden;
}

.carousel-wrapper {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
  gap: 20px;
}

.carousel-slide {
  flex: 0 0 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.carousel-device {
  width: 240px;
  max-width: 60vw;
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-glow), 0 12px 40px rgba(0,0,0,0.5);
  border: 2px solid rgba(217,70,239,0.2);
  cursor: pointer;
}

.carousel-device::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: rgba(255,255,255,0.12);
  border-radius: 0 0 3px 3px;
  z-index: 2;
}

.carousel-device img {
  width: 100%;
  display: block;
  filter: blur(8px);
  transition: filter 0.4s ease;
}

.carousel-device img.loaded {
  filter: blur(0);
}

.carousel-caption {
  text-align: center;
  margin-top: 16px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 700;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 24px;
}

.carousel-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border-hover);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.carousel-btn:hover {
  background: rgba(217,70,239,0.15);
  border-color: var(--color-primary);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.carousel-dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(217,70,239,0.5);
}

/* ===== LIGHTBOX ===== */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  cursor: pointer;
}

.lightbox-overlay.active { display: flex; }

.lightbox-overlay img {
  max-height: 90vh;
  max-width: 90vw;
  border-radius: var(--radius);
  box-shadow: 0 0 40px rgba(217,70,239,0.3);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
}

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  padding: 80px 24px;
  background: var(--gradient-hero);
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(217,70,239,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 { margin-bottom: 16px; position: relative; }
.cta-section p { color: var(--color-text-secondary); margin-bottom: 32px; font-size: 1.05rem; position: relative; }
.cta-section .btn { position: relative; }

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 24px 24px;
}

.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.footer-desc {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  color: var(--color-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li { margin-bottom: 8px; }

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

/* ===== PAGE CONTENT (Privacy, Terms, Contact) ===== */
.page-hero {
  padding: 120px 24px 50px;
  background: var(--gradient-hero);
  text-align: center;
}

.page-hero h1 { margin-bottom: 12px; }
.page-hero p { color: var(--color-text-secondary); font-size: 1.05rem; }

.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 50px 24px 80px;
}

.page-content h2 {
  font-size: 1.5rem;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.page-content h3 {
  font-size: 1.15rem;
  margin: 24px 0 10px;
}

.page-content p {
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  text-align: left;
}

.page-content ul {
  color: var(--color-text-secondary);
  margin: 10px 0 18px 20px;
  text-align: left;
}

.page-content ul li { margin-bottom: 6px; }

.page-content a { color: var(--color-primary); }
.page-content a:hover { text-decoration: underline; }

/* ===== CONTACT FORM ===== */
.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--color-text-primary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-deep);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(217,70,239,0.15);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

.form-file {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.form-file::file-selector-button {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  padding: 8px 16px;
  font-family: var(--font-body);
  cursor: pointer;
  margin-right: 10px;
  transition: var(--transition);
}

.form-file::file-selector-button:hover {
  border-color: var(--color-primary);
}

.form-success {
  display: none;
  text-align: center;
  padding: 30px;
}

.form-success .check-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(74,222,128,0.15);
  border: 2px solid var(--color-accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}

.form-success h3 { margin-bottom: 8px; }
.form-success p { color: var(--color-text-secondary); }

/* ===== PRIVACY BUTTON (required for Flutter integration) ===== */
.privacy-accept-btn {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: linear-gradient(to top, var(--color-bg-deep) 60%, transparent);
  padding: 20px 24px 24px;
  display: flex;
  justify-content: center;
}

.privacy-accept-btn.hidden {
  display: none;
}

.accept-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 400px;
  padding: 16px 32px;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: var(--transition);
  text-align: center;
  line-height: 1;
}

.accept-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

/* ===== FADE-IN ANIMATION ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero { padding: 100px 20px 50px; }
  .hero-inner { flex-direction: column; text-align: center; gap: 40px; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-device { width: 220px; }

  .features-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-desc { max-width: 100%; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(8,6,26,0.97);
    backdrop-filter: blur(16px);
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 4px;
  }
  .nav-links.open a { display: block; padding: 12px 16px; }
  .nav-toggle { display: flex; }

  .hero h1 { font-size: 1.8rem; }
  .hero-device { width: 200px; }

  .section { padding: 60px 20px; }
  .contact-card { padding: 28px 20px; }
}

@media (max-width: 400px) {
  .hero h1 { font-size: 1.5rem; }
  .hero-desc { font-size: 1rem; }
  .btn { padding: 12px 22px; font-size: 0.9rem; }
}

/* Orientation change */
@media (orientation: landscape) and (max-height: 500px) {
  .hero { min-height: auto; padding: 80px 24px 40px; }
  .hero-inner { flex-direction: row; }
  .hero-device { width: 160px; }
}