/* ========================================
   SaturdayBuy — Responsive Styles
   ======================================== */

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

:root {
  --primary: #1a73e8;
  --primary-dark: #1558b0;
  --primary-light: #e8f0fe;
  --accent: #ff6b35;
  --text: #1a1a2e;
  --text-light: #555;
  --text-muted: #888;
  --bg: #ffffff;
  --bg-alt: #f7f9fc;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
  justify-content: center;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,115,232,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 17px; }

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}
.logo span { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-light);
  font-weight: 500;
  font-size: 15px;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-highlight {
  color: var(--accent) !important;
  font-weight: 700;
}

/* --- Language Switcher --- */
.lang-switcher {
  position: relative;
}
.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
  white-space: nowrap;
}
.lang-switcher-btn:hover {
  border-color: var(--primary);
}
.lang-flag {
  font-size: 16px;
}
.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 1001;
  display: none;
  padding: 6px;
}
.lang-dropdown.open {
  display: block;
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-radius: 4px;
  transition: background var(--transition);
}
.lang-option:hover {
  background: var(--primary-light);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* --- Hero --- */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(160deg, var(--bg) 0%, var(--primary-light) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(26,115,232,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text);
  position: relative;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-note {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}

/* --- Section Shared --- */
.section {
  padding: 100px 0;
}
.section:nth-child(even) {
  background: var(--bg-alt);
}
.section-label {
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 12px;
}
.section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 48px;
  max-width: 700px;
}

/* --- Who For Cards --- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.card-icon {
  font-size: 40px;
  margin-bottom: 20px;
}
.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.card p {
  color: var(--text-light);
  font-size: 15px;
}

/* --- Services Grid --- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-item {
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.service-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
.service-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.service-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-item p {
  color: var(--text-light);
  font-size: 14.5px;
}

/* --- How It Works Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  counter-reset: step;
}
.step {
  text-align: center;
  position: relative;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.step p {
  color: var(--text-light);
  font-size: 14.5px;
}

/* Connector line between steps */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(50% + 36px);
  width: calc(100% - 72px);
  height: 2px;
  background: var(--border);
}

/* --- Benefits Grid --- */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.benefit-item {
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.benefit-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
.benefit-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.benefit-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.benefit-item p {
  color: var(--text-light);
  font-size: 14.5px;
}

/* --- Why Us --- */
.why-us {
  background: var(--bg-dark) !important;
  color: #fff;
}
.why-us h2 {
  color: #fff;
  text-align: center;
  max-width: 100%;
  margin-bottom: 48px;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.why-item {
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}
.why-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}
.why-item p {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
}

/* --- FAQ --- */
.faq-list {
  max-width: 740px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: inherit;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-toggle {
  font-size: 24px;
  font-weight: 300;
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}
.faq-answer p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}

/* --- CTA Section --- */
.cta {
  text-align: center;
  background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
}
.cta h2 {
  color: #fff;
  max-width: 100%;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
}
.cta p {
  color: rgba(255,255,255,0.85);
  font-size: 17px;
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta .btn-primary {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.cta .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  color: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* --- Footer --- */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.6);
  padding: 60px 0 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo {
  color: #fff;
  font-size: 20px;
}
.footer-brand p {
  margin-top: 12px;
  font-size: 14px;
  max-width: 280px;
}
.footer-links {
  display: flex;
  gap: 60px;
}
.footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: color var(--transition);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  color: #fff;
}

/* ========================================
   Responsive — Tablet
   ======================================== */
@media (max-width: 1024px) {
  .cards,
  .service-grid,
  .benefit-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .step:not(:last-child)::after { display: none; }
}

/* ========================================
   Responsive — Mobile
   ======================================== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    transition: transform var(--transition);
  }
  .nav-links.open {
    transform: translateY(0);
  }

  .hero {
    padding: 120px 0 80px;
  }
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  .hero-cta .btn { width: 100%; max-width: 340px; }

  .section { padding: 72px 0; }
  .section h2 { margin-bottom: 36px; }

  .cards,
  .service-grid,
  .benefit-grid {
    grid-template-columns: 1fr;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .step:not(:last-child)::after { display: none; }

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

  .footer-inner {
    flex-direction: column;
  }
  .footer-links {
    gap: 40px;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }
  .lang-switcher-btn {
    font-size: 12px;
    padding: 5px 8px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.8rem; }
  .btn-lg { padding: 14px 24px; font-size: 15px; }
}