/* RoastMyDay - Modern UI/UX Styles */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
  /* Colors */
  --primary: #FF6B4A;
  --primary-dark: #E55539;
  --primary-light: #FF8B6F;
  --secondary: #9B8FDB;
  --secondary-light: #B5AAE8;
  --accent-yellow: #FFB84D;
  --accent-blue: #4DABF7;
  --accent-green: #51CF66;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #FF6B4A 0%, #FFB84D 100%);
  --gradient-secondary: linear-gradient(135deg, #9B8FDB 0%, #B5AAE8 100%);
  --gradient-hero: linear-gradient(135deg, #FF6B4A 0%, #FFB84D 50%, #9B8FDB 100%);
  --gradient-card: linear-gradient(135deg, rgba(255, 107, 74, 0.05) 0%, rgba(155, 143, 219, 0.05) 100%);
  
  /* Neutrals */
  --dark: #1A1A1A;
  --gray-dark: #4A4A4A;
  --gray: #8A8A8A;
  --gray-light: #D4D4D4;
  --off-white: #F8F9FA;
  --white: #FFFFFF;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.20);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.18);
  
  /* Spacing */
  --section-padding: 100px;
  --container-width: 1200px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

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

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
}

p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray-dark);
  margin-bottom: 16px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

/* Gradient Text */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 0;
  transition: var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--dark);
  position: relative;
}

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

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

/* Language Selector */
.language-selector {
  display: flex;
  gap: 8px;
  align-items: center;
}

.lang-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  overflow: hidden;
}

.lang-btn:hover {
  transform: scale(1.1);
  border-color: var(--primary);
}

.lang-btn.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition-base);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--white);
  color: var(--dark);
  border: 2px solid var(--gray-light);
}

.btn-secondary:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-large {
  padding: 18px 40px;
  font-size: 1.125rem;
}

/* Hero Section */
.hero {
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: var(--gradient-hero);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(100px);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(50px, -50px) rotate(120deg); }
  66% { transform: translate(-50px, 50px) rotate(240deg); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  max-width: 600px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
  border: 1px solid rgba(255, 107, 74, 0.2);
}

.hero h1 {
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 32px;
  color: var(--gray-dark);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray);
  font-weight: 500;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  position: relative;
  max-width: 400px;
  width: 100%;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
  animation: float-phone 6s ease-in-out infinite;
}

@keyframes float-phone {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.phone-mockup img {
  width: 100%;
  height: auto;
  border-radius: 32px;
}

/* Language Flags Section */
.language-flags {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.flag-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.flag-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.flag-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.flag-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark);
}

/* Sections */
section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 16px;
  border: 1px solid rgba(255, 107, 74, 0.2);
}

/* Features Section */
.features {
  background: var(--off-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 2rem;
}

.feature-card h3 {
  margin-bottom: 12px;
  color: var(--dark);
}

.feature-card p {
  color: var(--gray-dark);
  font-size: 1rem;
}

/* How It Works Section */
.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  margin-top: 60px;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 24px;
  box-shadow: var(--shadow-md);
}

.step-card h3 {
  margin-bottom: 12px;
}

.step-card p {
  font-size: 1rem;
}

/* Pricing Section */
.pricing {
  background: linear-gradient(180deg, var(--white) 0%, var(--off-white) 100%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  border: 2px solid transparent;
}

.pricing-card.featured {
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--gradient-primary);
  color: var(--white);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.pricing-header {
  text-align: center;
  margin-bottom: 32px;
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.pricing-period {
  font-size: 1rem;
  color: var(--gray);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gray-dark);
  font-size: 0.95rem;
}

.pricing-features li::before {
  content: '✓';
  width: 24px;
  height: 24px;
  background: var(--gradient-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* Download Section */
.download {
  background: var(--dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.download::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: var(--primary);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(100px);
}

.download-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.download h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.download p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  font-size: 1.125rem;
}

.store-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--white);
  color: var(--dark);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
}

.store-btn:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.store-btn img {
  width: 28px;
  height: 28px;
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 350px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.footer-logo span {
  font-size: 1.5rem;
  font-weight: 800;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-4px);
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--white);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-base);
  font-size: 0.95rem;
}

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

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* Scroll Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-text {
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }
  
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-base);
    z-index: 999;
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }
  
  .stat-item {
    text-align: center;
  }
  
  .features-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-brand {
    max-width: 100%;
  }
  
  .store-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .store-btn {
    width: 100%;
    max-width: 250px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .language-flags {
    justify-content: center;
  }
}