/* ===== Singzo - Dreamy Purple Theme ===== */

:root {
  --purple-deep: #1a0b2e;
  --purple-dark: #2d1b4e;
  --purple-mid: #4a2d7a;
  --purple-primary: #7b4fbf;
  --purple-accent: #9b6dd7;
  --purple-light: #c4a0f0;
  --purple-glow: #b388ff;
  --bg-dark: #0d081a;
  --bg-card: #1a1030;
  --text-primary: #f0e8ff;
  --text-secondary: #c4b8e0;
  --text-muted: #9a8ab0;
  --border-subtle: rgba(123, 79, 191, 0.2);
  --gradient-main: linear-gradient(135deg, #1a0b2e 0%, #2d1b4e 50%, #1a0b2e 100%);
  --gradient-accent: linear-gradient(135deg, #7b4fbf, #b388ff);
  --gradient-card: linear-gradient(135deg, rgba(123, 79, 191, 0.08), rgba(179, 136, 255, 0.04));
  --shadow-glow: 0 0 30px rgba(123, 79, 191, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Background Effects ===== */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 20% 50%, rgba(123, 79, 191, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(179, 136, 255, 0.04) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(74, 45, 122, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(13, 8, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: white;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--purple-glow);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 0.6rem 1.5rem;
  background: var(--gradient-accent);
  color: white !important;
  border-radius: 50px;
  font-weight: 600 !important;
  text-decoration: none !important;
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(123, 79, 191, 0.3);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

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

/* ===== Main Content Wrapper ===== */
.main-wrapper {
  position: relative;
  z-index: 1;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 6rem;
  background: var(--gradient-main);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(123, 79, 191, 0.12), transparent 70%);
  top: -200px;
  right: -200px;
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(179, 136, 255, 0.08), transparent 70%);
  bottom: -100px;
  left: -100px;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(123, 79, 191, 0.15);
  border: 1px solid rgba(123, 79, 191, 0.3);
  border-radius: 50px;
  color: var(--purple-light);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.9rem 2.2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 20px rgba(123, 79, 191, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(123, 79, 191, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--purple-light);
  border: 1px solid rgba(123, 79, 191, 0.4);
}

.btn-secondary:hover {
  background: rgba(123, 79, 191, 0.1);
  border-color: var(--purple-accent);
  transform: translateY(-3px);
}

/* ===== Section Shared ===== */
.section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(123, 79, 191, 0.12);
  border-radius: 50px;
  color: var(--purple-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Features / Value Props ===== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(123, 79, 191, 0.4);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  color: var(--purple-light);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Products Page ===== */
.products-hero {
  padding: 10rem 2rem 4rem;
  text-align: center;
  background: var(--gradient-main);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(123, 79, 191, 0.3);
}

.product-card-image {
  height: 200px;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.product-card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(123, 79, 191, 0.15), transparent 70%);
}

.product-card-body {
  padding: 1.5rem;
}

.product-card-body h3 {
  font-size: 1.2rem;
  color: var(--purple-light);
  margin-bottom: 0.5rem;
}

.product-card-body .tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: rgba(123, 79, 191, 0.15);
  border-radius: 4px;
  color: var(--purple-accent);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.product-card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.product-features {
  margin-top: 1rem;
  list-style: none;
}

.product-features li {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.product-features li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--purple-accent);
  font-size: 0.7rem;
}

/* ===== About Page ===== */
.about-hero {
  padding: 10rem 2rem 4rem;
  text-align: center;
  background: var(--gradient-main);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.about-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.value-item {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.value-item:hover {
  transform: translateY(-3px);
  border-color: rgba(123, 79, 191, 0.3);
}

.value-item .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.value-item h3 {
  color: var(--purple-light);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.value-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== Contact Page ===== */
.contact-hero {
  padding: 10rem 2rem 4rem;
  text-align: center;
  background: var(--gradient-main);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.contact-info h3 {
  color: var(--purple-light);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-detail .icon {
  font-size: 1.3rem;
  color: var(--purple-accent);
  min-width: 30px;
}

.contact-detail div h4 {
  font-size: 0.9rem;
  color: var(--purple-light);
  margin-bottom: 0.2rem;
}

.contact-detail div p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(13, 8, 26, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--purple-accent);
  box-shadow: 0 0 0 3px rgba(123, 79, 191, 0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(123, 79, 191, 0.3);
}

/* ===== Footer ===== */
.footer {
  background: var(--purple-deep);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 2rem 2rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: var(--purple-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--purple-light);
}

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Page Header (for inner pages) ===== */
.page-header {
  padding: 10rem 2rem 4rem;
  text-align: center;
  background: var(--gradient-main);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(123, 79, 191, 0.1), transparent 70%);
  top: -100px;
  right: -100px;
}

.page-header h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(13, 8, 26, 0.98);
    backdrop-filter: blur(20px);
    padding: 1rem 2rem;
    flex-direction: column;
    gap: 1rem;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-cta {
    display: inline-block !important;
    text-align: center;
  }

  .nav-hamburger {
    display: flex;
  }

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

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    padding: 6rem 1.5rem 4rem;
  }

  .section {
    padding: 4rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .footer-content {
    grid-template-columns: 1fr;
  }

  .product-grid {
    padding: 2rem 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}