/**
 * SkyPH Layout Stylesheet
 * @description Mobile-first responsive layout for SkyPH gaming platform
 * @version 1.0.0
 */

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

/* Root variables */
:root {
  --sd7b-primary: #FF5722;
  --sd7b-secondary: #FF7F50;
  --sd7b-accent: #FFCCCB;
  --sd7b-dark: #0F0F23;
  --sd7b-gray: #808080;
  --sd7b-light: #ffffff;
  --sd7b-text-dark: #0F0F23;
  --sd7b-text-light: #ffffff;
  --sd7b-bg: #0F0F23;
  --sd7b-surface: #1a1a2e;
  --sd7b-border: #FF7F50;
  --sd7b-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --sd7b-font-size: 62.5%;
  --sd7b-transition: all 0.3s ease;
  --sd7b-shadow: 0 4px 6px rgba(255, 127, 80, 0.1);
  --sd7b-shadow-lg: 0 10px 25px rgba(255, 127, 80, 0.2);
}

/* Base HTML styles */
html {
  font-size: var(--sd7b-font-size);
  scroll-behavior: smooth;
}

body {
  font-family: var(--sd7b-font-family);
  background-color: var(--sd7b-bg);
  color: var(--sd7b-text-light);
  line-height: 1.5;
  font-size: 1.6rem;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Container */
.sd7b-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header Styles */
.sd7b-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--sd7b-dark) 0%, var(--sd7b-surface) 100%);
  border-bottom: 2px solid var(--sd7b-primary);
  box-shadow: var(--sd7b-shadow-lg);
}

.sd7b-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 430px;
  margin: 0 auto;
}

.sd7b-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--sd7b-text-light);
  font-size: 1.8rem;
  font-weight: 700;
}

.sd7b-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

.sd7b-header-actions {
  display: flex;
  gap: 1rem;
}

.sd7b-btn {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 8px;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--sd7b-transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.sd7b-btn-primary {
  background: linear-gradient(135deg, var(--sd7b-primary) 0%, var(--sd7b-secondary) 100%);
  color: var(--sd7b-text-light);
  box-shadow: var(--sd7b-shadow);
}

.sd7b-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--sd7b-shadow-lg);
}

.sd7b-btn-secondary {
  background: transparent;
  color: var(--sd7b-text-light);
  border: 2px solid var(--sd7b-secondary);
}

.sd7b-btn-secondary:hover {
  background: var(--sd7b-secondary);
  transform: translateY(-2px);
}

.sd7b-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.sd7b-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--sd7b-text-light);
  transition: var(--sd7b-transition);
}

/* Mobile Menu */
.sd7b-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--sd7b-surface);
  z-index: 9999;
  transition: right 0.3s ease;
  box-shadow: var(--sd7b-shadow-lg);
  overflow-y: auto;
  padding: 2rem 0;
}

.sd7b-mobile-menu.sd7b-menu-open {
  right: 0;
}

.sd7b-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--sd7b-transition);
}

.sd7b-menu-overlay.sd7b-overlay-visible {
  opacity: 1;
  visibility: visible;
}

.sd7b-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--sd7b-gray);
}

.sd7b-menu-close {
  background: none;
  border: none;
  color: var(--sd7b-text-light);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.5rem;
}

.sd7b-menu-nav {
  padding: 1rem 0;
}

.sd7b-menu-nav a {
  display: block;
  padding: 1.2rem 2rem;
  color: var(--sd7b-text-light);
  text-decoration: none;
  font-size: 1.6rem;
  border-left: 3px solid transparent;
  transition: var(--sd7b-transition);
}

.sd7b-menu-nav a:hover {
  background: rgba(255, 127, 80, 0.1);
  border-left-color: var(--sd7b-primary);
  padding-left: 2.5rem;
}

/* Main Content */
.sd7b-main {
  margin-top: 70px;
  padding-bottom: 80px;
}

/* Carousel */
.sd7b-carousel {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 12px;
  margin-bottom: 2rem;
}

.sd7b-carousel-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.sd7b-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.sd7b-carousel-slide.sd7b-slide-active {
  opacity: 1;
}

.sd7b-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sd7b-carousel-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.8rem;
  z-index: 10;
}

.sd7b-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--sd7b-transition);
}

.sd7b-carousel-dot.sd7b-dot-active {
  background: var(--sd7b-primary);
  transform: scale(1.2);
}

/* Headings */
.sd7b-h1 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--sd7b-primary);
  margin-bottom: 1.5rem;
  line-height: 1.3;
  text-align: center;
}

.sd7b-h2 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--sd7b-secondary);
  margin: 2.5rem 0 1.5rem;
  position: relative;
  padding-left: 1rem;
}

.sd7b-h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: var(--sd7b-primary);
  border-radius: 2px;
}

.sd7b-h3 {
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--sd7b-accent);
  margin: 2rem 0 1rem;
}

/* Game Grid */
.sd7b-game-section {
  margin-bottom: 3rem;
}

.sd7b-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.sd7b-game-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--sd7b-text-light);
  transition: var(--sd7b-transition);
  cursor: pointer;
}

.sd7b-game-card:hover {
  transform: translateY(-5px);
}

.sd7b-game-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--sd7b-shadow);
  background: var(--sd7b-surface);
}

.sd7b-game-card span {
  font-size: 1.1rem;
  text-align: center;
  line-height: 1.3;
  word-break: break-word;
}

/* Content Cards */
.sd7b-card {
  background: var(--sd7b-surface);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--sd7b-shadow);
  border: 1px solid rgba(255, 127, 80, 0.2);
}

.sd7b-card p {
  margin-bottom: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.sd7b-card a {
  color: var(--sd7b-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--sd7b-transition);
}

.sd7b-card a:hover {
  color: var(--sd7b-secondary);
  text-decoration: underline;
}

/* Lists */
.sd7b-list {
  list-style: none;
  padding: 0;
}

.sd7b-list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  padding-left: 2rem;
}

.sd7b-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--sd7b-primary);
  font-weight: bold;
}

/* Footer */
.sd7b-footer {
  background: var(--sd7b-surface);
  padding: 3rem 0 2rem;
  margin-top: 3rem;
  border-top: 2px solid var(--sd7b-primary);
}

.sd7b-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.sd7b-footer-links a {
  color: var(--sd7b-text-light);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--sd7b-gray);
  border-radius: 6px;
  font-size: 1.3rem;
  transition: var(--sd7b-transition);
}

.sd7b-footer-links a:hover {
  background: var(--sd7b-primary);
  border-color: var(--sd7b-primary);
}

.sd7b-partners {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.sd7b-partners img {
  height: 30px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--sd7b-transition);
}

.sd7b-partners img:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.sd7b-copyright {
  text-align: center;
  color: var(--sd7b-gray);
  font-size: 1.2rem;
  padding: 0 1rem;
}

/* Bottom Navigation */
.sd7b-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--sd7b-dark) 0%, var(--sd7b-surface) 100%);
  border-top: 2px solid var(--sd7b-primary);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 60px;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.sd7b-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 60px;
  min-height: 60px;
  text-decoration: none;
  color: var(--sd7b-text-light);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--sd7b-transition);
  padding: 0.5rem;
  position: relative;
}

.sd7b-nav-item:hover {
  color: var(--sd7b-primary);
  transform: scale(1.1);
}

.sd7b-nav-item.active {
  color: var(--sd7b-primary);
}

.sd7b-nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background: var(--sd7b-primary);
  border-radius: 2px 2px 0 0;
}

.sd7b-nav-icon {
  font-size: 24px;
  line-height: 1;
}

.sd7b-nav-text {
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Hide bottom nav on desktop */
@media (min-width: 769px) {
  .sd7b-bottom-nav {
    display: none;
  }

  .sd7b-main {
    padding-bottom: 2rem;
  }
}

/* Utility Classes */
.sd7b-text-center {
  text-align: center;
}

.sd7b-mt-1 { margin-top: 1rem; }
.sd7b-mt-2 { margin-top: 2rem; }
.sd7b-mt-3 { margin-top: 3rem; }

.sd7b-mb-1 { margin-bottom: 1rem; }
.sd7b-mb-2 { margin-bottom: 2rem; }
.sd7b-mb-3 { margin-bottom: 3rem; }

.sd7b-promo-link {
  color: var(--sd7b-primary);
  font-weight: 700;
  text-decoration: none;
  transition: var(--sd7b-transition);
}

.sd7b-promo-link:hover {
  color: var(--sd7b-secondary);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 380px) {
  .sd7b-game-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sd7b-h1 {
    font-size: 2rem;
  }

  .sd7b-h2 {
    font-size: 1.7rem;
  }
}