/* ============================================
   Tiapla Marketing Website - Main Styles
   ============================================ */

/* Self-hosted Inter font (GDPR-compliant, no Google Fonts) */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-800.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* CSS Variables */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #0ea5e9;
  --accent: #f43f5e;
  --dark: #0f172a;
  --dark-lighter: #1e293b;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --white: #ffffff;

  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
  --gradient-3: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--dark);
  color: var(--gray-300);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--white);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--gray-400);
  font-size: 1.125rem;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-1);
  color: var(--white);
  box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--gray-600);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.75rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
}

.brand-wordmark {
  font-size: 26px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  line-height: 1;
}

.brand-wordmark .brand-dot {
  color: #818cf8;
}

.footer-brand .brand-wordmark {
  font-size: 20px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--gray-400);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ── Language Switcher ───────────────────────── */
.nav-mobile-lang {
  display: none; /* shown only inside mobile menu via media query */
  list-style: none;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  margin-left: 0.5rem;
}

.lang-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--gray-500);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.lang-btn:hover:not(.active) {
  border-color: var(--gray-500);
  color: var(--gray-300);
}

.lang-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* ─────────────────────────────────────────────── */

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 6rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.3), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(14, 165, 233, 0.15), transparent),
    radial-gradient(ellipse 50% 30% at 20% 80%, rgba(139, 92, 246, 0.2), transparent);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black, transparent);
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--primary-light);
  margin-bottom: 2rem;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, var(--white), var(--gray-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 .highlight {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero-cta-note {
  font-size: 0.8125rem;
  color: var(--gray-600);
  letter-spacing: 0.01em;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
}

/* Hero Mockup */
.hero-mockup {
  margin-top: 4rem;
  position: relative;
  perspective: 1000px;
}

.mockup-wrapper {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  transform-style: preserve-3d;
}

.mockup-main {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--dark-lighter);
  overflow: hidden;
  transform: rotateX(5deg);
  transition: var(--transition-slow);
}

.mockup-main:hover {
  transform: rotateX(0deg);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: var(--dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mockup-dot.red { background: #ef4444; }
.mockup-dot.yellow { background: #eab308; }
.mockup-dot.green { background: #22c55e; }

.mockup-content {
  padding: 2rem;
  background: linear-gradient(180deg, var(--dark-lighter) 0%, var(--dark) 100%);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-ui {
  width: 100%;
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
}

.mockup-sidebar {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  color: var(--gray-400);
  transition: var(--transition);
}

.mockup-sidebar-item.active {
  background: var(--gradient-1);
  color: var(--white);
}

.mockup-sidebar-item-icon {
  width: 20px;
  height: 20px;
  background: currentColor;
  border-radius: 4px;
  opacity: 0.5;
}

.mockup-main-content {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}

.mockup-calendar-header {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--white);
  font-weight: 600;
}

.mockup-calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--gray-400);
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition);
}

.mockup-calendar-day.active {
  background: var(--primary);
  color: var(--white);
}

.mockup-calendar-day.has-event::after {
  content: '';
  position: absolute;
  bottom: 4px;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

/* Floating Elements */
.floating-card {
  position: absolute;
  background: var(--dark-lighter);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.floating-card-1 {
  top: 10%;
  left: -5%;
  animation-delay: 0s;
}

.floating-card-2 {
  top: 20%;
  right: -5%;
  animation-delay: 2s;
}

.floating-card-3 {
  bottom: 20%;
  left: -8%;
  animation-delay: 4s;
}

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

.floating-card-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.floating-card-title {
  font-size: 0.875rem;
  color: var(--white);
  font-weight: 600;
}

.floating-card-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-light);
}

/* Sections */
section {
  padding: 8rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-description {
  color: var(--gray-400);
}

/* Features Section */
.features {
  background: linear-gradient(180deg, var(--dark) 0%, var(--dark-lighter) 50%, var(--dark) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-5px);
}

.feature-card:hover::before {
  opacity: 0.05;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: var(--white);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.feature-description {
  color: var(--gray-400);
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

/* How It Works */
.how-it-works {
  position: relative;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--primary), transparent);
  z-index: 0;
}

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

.step-number {
  width: 80px;
  height: 80px;
  background: var(--dark);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 auto 1.5rem;
  position: relative;
}

.step-number::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--gradient-1);
  opacity: 0.2;
  z-index: -1;
}

.step-title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.step-description {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

/* Testimonials */
.testimonials {
  background: var(--dark-lighter);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: 2rem;
  position: relative;
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.3;
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--gray-300);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--white);
}

.testimonial-name {
  font-weight: 600;
  color: var(--white);
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* ── Pricing Section ─────────────────────────── */
.pricing {
  background: var(--dark);
}

.pricing-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.pricing-card {
  background: var(--dark-lighter);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-2xl);
  padding: 3rem;
  max-width: 520px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.1);
}

.pricing-plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient-1);
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.375rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.pricing-price-row {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.pricing-amount {
  font-size: 4rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.pricing-period {
  font-size: 1rem;
  color: var(--gray-500);
  padding-bottom: 0.5rem;
}

.pricing-plan-desc {
  font-size: 1rem;
  color: var(--gray-400);
  margin-bottom: 2rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gray-300);
  font-size: 0.9375rem;
}

.pricing-features li::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  background: rgba(99, 102, 241, 0.15);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236366f1'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

.pricing-cta-note {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--gray-600);
}

/* CTA Section */
.cta {
  position: relative;
  overflow: hidden;
}

.cta-content {
  background: var(--gradient-1);
  border-radius: var(--radius-2xl);
  padding: 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.cta .btn {
  position: relative;
  z-index: 1;
  background: var(--white);
  color: var(--primary-dark);
}

.cta .btn:hover {
  background: var(--gray-100);
}

/* Footer */
.footer {
  background: var(--dark);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand p {
  color: var(--gray-500);
  margin-top: 1rem;
  max-width: 300px;
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gray-500);
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copyright {
  color: var(--gray-600);
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--white);
}

/* Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Parallax */
.parallax-section {
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  inset: -100px;
  background-size: cover;
  background-position: center;
  will-change: transform;
}

/* ============================================
   Features Page Specific Styles
   ============================================ */

.features-hero {
  padding: 12rem 0 6rem;
  text-align: center;
  position: relative;
}

.features-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(99, 102, 241, 0.2), transparent),
    radial-gradient(ellipse 40% 30% at 80% 50%, rgba(14, 165, 233, 0.1), transparent);
  z-index: -1;
}

.feature-category {
  padding: 6rem 0;
}

.feature-category:nth-child(even) {
  background: var(--dark-lighter);
}

.feature-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-showcase.reverse {
  direction: rtl;
}

.feature-showcase.reverse > * {
  direction: ltr;
}

.feature-showcase-content {
  max-width: 500px;
}

.feature-showcase-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.feature-showcase-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.feature-showcase-description {
  color: var(--gray-400);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--gray-300);
}

.feature-list-icon {
  width: 24px;
  height: 24px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-list-icon svg {
  width: 14px;
  height: 14px;
  color: var(--white);
}

.feature-showcase-image {
  position: relative;
}

.feature-mockup {
  background: var(--dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

/* All Features Grid */
.all-features {
  padding: 6rem 0;
}

.all-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.all-feature-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: var(--transition);
}

.all-feature-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-3px);
}

.all-feature-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.all-feature-icon svg {
  width: 22px;
  height: 22px;
  color: var(--white);
}

.all-feature-title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.all-feature-description {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* ============================================
   Login/Register Page Styles
   ============================================ */

.auth-page {
  min-height: 100vh;
  display: flex;
}

.auth-left {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-right {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-1);
  overflow: hidden;
}

.auth-right::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-header {
  margin-bottom: 2.5rem;
}

.auth-header .logo {
  margin-bottom: 2rem;
}

.auth-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--gray-500);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-300);
}

.form-input {
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

.form-input::placeholder {
  color: var(--gray-600);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.form-checkbox label {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.form-link {
  color: var(--primary-light);
  font-weight: 500;
  transition: var(--transition);
}

.form-link:hover {
  color: var(--white);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.auth-divider span {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.social-login {
  display: flex;
  gap: 1rem;
}

.social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  color: var(--gray-300);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.social-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.auth-footer {
  margin-top: 2rem;
  text-align: center;
  color: var(--gray-500);
}

.auth-promo {
  text-align: center;
  color: var(--white);
  position: relative;
  z-index: 1;
  padding: 3rem;
}

.auth-promo h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.auth-promo p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  max-width: 400px;
  margin: 0 auto 2rem;
}

.auth-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
  max-width: 300px;
  margin: 0 auto;
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
}

.auth-feature-icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tabs */
.auth-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.375rem;
  border-radius: var(--radius);
}

.auth-tab {
  flex: 1;
  padding: 0.75rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--gray-400);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.auth-tab.active {
  background: var(--primary);
  color: var(--white);
}

.auth-tab:hover:not(.active) {
  color: var(--white);
}

/* Password Strength */
.password-strength {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.password-strength-bar {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

.password-strength-bar.weak { background: #ef4444; }
.password-strength-bar.medium { background: #eab308; }
.password-strength-bar.strong { background: #22c55e; }

/* ── Imprint Page ────────────────────────────── */
.imprint-hero {
  padding: 10rem 0 4rem;
  text-align: center;
}

.imprint-body {
  padding-bottom: 6rem;
}

.imprint-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.imprint-card {
  background: var(--dark-lighter);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
}

.imprint-card h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.imprint-card p,
.imprint-card address {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.75;
  font-style: normal;
  margin-bottom: 0.75rem;
}

.imprint-card p:last-child,
.imprint-card address:last-child {
  margin-bottom: 0;
}

.imprint-card a {
  color: var(--primary-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.imprint-card a:hover {
  color: var(--white);
}

.imprint-placeholder {
  color: var(--gray-600);
  font-style: italic;
}

/* Small disclaimer note under feature cards / showcases */
.feature-note {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.imprint-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 1rem;
}

.imprint-list li {
  padding: 0.3rem 0 0.3rem 1.5rem;
  position: relative;
  color: var(--gray-300);
}

.imprint-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* ============================================
   Responsive Styles
   ============================================ */

@media (max-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .all-features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--dark-lighter);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding: 1rem 1.5rem 1.5rem;
    z-index: 100;
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 1rem;
  }

  .nav-links a::after {
    display: none;
  }

  /* Lang switcher inside mobile menu */
  .nav-mobile-lang {
    display: flex !important;
    padding-top: 1rem;
    gap: 0.5rem;
  }

  /* Hide the desktop lang switcher on mobile */
  .nav-actions .lang-switcher {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero-stats {
    gap: 2rem;
    flex-wrap: wrap;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps::before {
    display: none;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-showcase {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .feature-showcase.reverse {
    direction: ltr;
  }

  .all-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .auth-right {
    display: none;
  }

  .auth-left {
    background:
      radial-gradient(ellipse 60% 40% at 50% 0%, rgba(99, 102, 241, 0.15), transparent),
      var(--dark);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  section {
    padding: 5rem 0;
  }

  .container {
    padding: 0 1.25rem;
  }

  .hero {
    padding: 7rem 0 4rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .mockup-ui {
    grid-template-columns: 1fr;
  }

  .mockup-sidebar {
    display: none;
  }

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

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

  .cta-content {
    padding: 3rem 2rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .all-features-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .floating-card {
    display: none;
  }
}

/* Animation Classes for JS */
.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.6s ease forwards;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.scale-in {
  animation: scaleIn 0.6s ease forwards;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Smooth page transitions */
.page-transition {
  opacity: 0;
  animation: pageIn 0.5s ease forwards;
}

@keyframes pageIn {
  to {
    opacity: 1;
  }
}