/* 
 * Landing Page Styles
 * Modern QR Menu System Landing Page
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Brand Colors */
    --color-primary: #FFC107;
    --color-primary-light: #FFD54F;
    --color-secondary: #FF9800;
    --color-accent: #FF6B6B;
    --color-accent-blue: #4A90E2;
    --color-accent-yellow: #FFD93D;
    
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Spacing */
    --spacing-unit: 8px;
    --spacing-xs: calc(var(--spacing-unit) * 1);   /* 8px */
    --spacing-sm: calc(var(--spacing-unit) * 2);   /* 16px */
    --spacing-md: calc(var(--spacing-unit) * 3);   /* 24px */
    --spacing-lg: calc(var(--spacing-unit) * 4);   /* 32px */
    --spacing-xl: calc(var(--spacing-unit) * 6);   /* 48px */
    --spacing-2xl: calc(var(--spacing-unit) * 8);  /* 64px */
    --spacing-3xl: calc(var(--spacing-unit) * 12); /* 96px */
    
    /* Border Radius */
    --border-radius-sm: 6px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;
    
    /* Transitions */
    --transition-speed: 0.3s;
    --transition-fast: 0.15s;
    --transition-slow: 0.5s;
    --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    --text-6xl: 3.75rem;   /* 60px */
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Breakpoints (for reference in media queries) */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

/* ============================================
   RESET & NORMALIZE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* Remove default list styles */
ul, ol {
    list-style: none;
}

/* Remove default link styles */
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed) var(--transition-ease);
}

/* Remove default button styles */
button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all var(--transition-speed) var(--transition-ease);
}

/* Image defaults */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   BASE STYLES (BEM Convention)
   ============================================ */

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* Section */
.section {
    padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-3xl) 0;
    }
}

/* Section Title */
.section-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--text-4xl);
        margin-bottom: var(--spacing-lg);
    }
}

/* Section Subtitle */
.section-subtitle {
    font-size: var(--text-lg);
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   BUTTON STYLES
   ============================================ */

/* Base Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) var(--transition-ease);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

/* Primary Large Button */
.btn-primary-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    border-radius: var(--border-radius-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-speed) var(--transition-ease);
}

.btn-primary-large:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Secondary Button */
.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-900);
    border: 2px solid var(--color-gray-300);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Outline Button */
.btn-outline-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    border-radius: var(--border-radius-lg);
    background: transparent;
    color: var(--color-white);
    border: 3px solid var(--color-white);
    transition: all var(--transition-speed) var(--transition-ease);
}

.btn-outline-large:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Text Alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Flexbox */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Spacing */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Mobile First Approach */
/* Base styles are for mobile (< 640px) */

/* Small devices (landscape phones, 640px and up) */
@media (min-width: 640px) {
    .section-title {
        font-size: var(--text-4xl);
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .section-title {
        font-size: var(--text-5xl);
    }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
    /* Styles will be added per component */
}

/* Extra large devices (large desktops, 1280px and up) */
@media (min-width: 1280px) {
    /* Styles will be added per component */
}


/* ============================================
   NAVIGATION COMPONENT
   ============================================ */

.landing-nav {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-sticky);
    transition: box-shadow var(--transition-speed) var(--transition-ease);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1280px;
    margin: 0 auto;
}

/* Logo */
.nav-logo {
    font-size: var(--text-2xl);
    font-weight: var(--font-extrabold);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.nav-logo:hover {
    transform: scale(1.05);
}

/* Navigation Links */
.nav-links {
    display: none;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed) var(--transition-ease);
}

.nav-links a:hover {
    color: var(--color-primary);
    background: var(--color-gray-50);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-actions .btn-secondary {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--text-sm);
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-speed) var(--transition-ease);
}

.hamburger:hover {
    background: var(--color-gray-100);
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-speed) var(--transition-ease);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    z-index: var(--z-dropdown);
    animation: slideDown var(--transition-speed) var(--transition-ease);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-menu ul li a {
    display: block;
    padding: var(--spacing-sm);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) var(--transition-ease);
}

.mobile-menu ul li a:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

/* Desktop Navigation (768px and up) */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .hamburger {
        display: none;
    }
    
    .mobile-menu {
        display: none !important;
    }
    
    .nav-actions .btn-secondary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--text-base);
    }
}

@media (min-width: 1024px) {
    .nav-container {
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .nav-links {
        gap: var(--spacing-xl);
    }
}


/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 2;
}

/* Hero Content */
.hero-content {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: var(--leading-tight);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-title .highlight {
    display: block;
    font-size: var(--text-5xl);
    background: linear-gradient(135deg, #FFFFFF 0%, #FFE082 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: var(--spacing-xs);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-xl);
    line-height: var(--leading-relaxed);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero CTA Buttons */
.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    width: 100%;
    max-width: 700px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.mockup-phones {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    justify-content: center;
}

.mockup-image {
    width: 48%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.mockup-left {
    animation: float 3s ease-in-out infinite;
}

.mockup-right {
    animation: float 3s ease-in-out 0.5s infinite;
}

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

/* Fade In Up Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Wave (Bottom Transition) */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--color-white);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
}

/* Decorative Elements */
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* Tablet and Up */
@media (min-width: 768px) {
    .hero-container {
        flex-direction: row;
        justify-content: space-between;
        gap: var(--spacing-2xl);
        padding: 0 var(--spacing-lg);
    }
    
    .hero-content {
        text-align: left;
        flex: 1;
    }
    
    .hero-title {
        font-size: var(--text-5xl);
    }
    
    .hero-title .highlight {
        font-size: var(--text-6xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-xl);
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: flex-start;
        gap: var(--spacing-md);
    }
    
    .hero-visual {
        flex: 1;
        max-width: 700px;
    }
    
    .mockup-phones {
        gap: var(--spacing-xl);
    }
    
    .hero-wave {
        height: 150px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .hero-container {
        padding: 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--text-6xl);
    }
    
    .hero-visual {
        max-width: 700px;
    }
}

/* Placeholder for missing mockup image */
.mockup-placeholder {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 9 / 19.5;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: float 3s ease-in-out infinite;
}

.phone-frame {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.phone-screen {
    background: var(--color-white);
    border-radius: 32px;
    aspect-ratio: 9 / 19.5;
    position: relative;
    overflow: hidden;
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 30px;
    background: var(--color-gray-900);
    border-radius: 0 0 20px 20px;
}

.phone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.demo-logo {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.demo-text {
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.demo-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    font-weight: var(--font-medium);
}


/* ============================================
   FEATURES SECTION
   ============================================ */

.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* Feature Card */
.feature-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all var(--transition-speed) var(--transition-ease);
    border: 1px solid var(--color-gray-100);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

/* Feature Icon */
.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-4xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed) var(--transition-ease);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

/* Feature Title */
.feature-card h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

/* Feature Description */
.feature-card p {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
    margin: 0;
}

/* Tablet */
@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .feature-card {
        padding: var(--spacing-2xl) var(--spacing-xl);
    }
}


/* ============================================
   PRICING SECTION
   ============================================ */

.pricing-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

/* Pricing Card */
.pricing-card {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed) var(--transition-ease);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-2xl);
}

/* Card Header */
.pricing-card .card-header {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-white);
    position: relative;
}

.pricing-card .card-header h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-card .badge {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    backdrop-filter: blur(10px);
}

/* Card Price */
.pricing-card .card-price {
    padding: var(--spacing-xl);
    text-align: center;
    background: var(--color-white);
}

.pricing-card .card-price .amount {
    font-size: var(--text-6xl);
    font-weight: var(--font-extrabold);
    color: var(--color-gray-900);
    line-height: 1;
}

.pricing-card .card-price .currency {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-600);
    margin-left: var(--spacing-xs);
}

.pricing-card .card-price .period {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: var(--text-base);
    color: var(--color-gray-500);
}

/* Card Features */
.pricing-card .card-features {
    padding: var(--spacing-xl);
    list-style: none;
}

.pricing-card .card-features li {
    padding: var(--spacing-sm) 0;
    font-size: var(--text-base);
    color: var(--color-gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

/* Card Button */
.pricing-card .btn-card {
    display: block;
    margin: 0 var(--spacing-xl) var(--spacing-xl);
    padding: var(--spacing-md);
    text-align: center;
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) var(--transition-ease);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Color Variants */
.pricing-card.coral .card-header {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E8E 100%);
}

.pricing-card.blue .card-header {
    background: linear-gradient(135deg, #4A90E2 0%, #5BA3F5 100%);
}

.pricing-card.yellow .card-header {
    background: linear-gradient(135deg, #FFD93D 0%, #FFE66D 100%);
}

/* Featured Card */
.pricing-card.featured {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.pricing-card.featured .card-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.pricing-card.featured::before {
    content: 'EN POPÜLER';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

/* Tablet */
@media (min-width: 640px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-2xl);
    }
    
    .pricing-card.featured {
        transform: scale(1.08);
    }
    
    .pricing-card.featured:hover {
        transform: scale(1.08) translateY(-15px);
    }
}


/* ============================================
   FAQ SECTION
   ============================================ */

.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.faq-accordion {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
}

/* FAQ Item */
.faq-item {
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-speed) var(--transition-ease);
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* FAQ Question Button */
.faq-question {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-white);
    border: none;
    text-align: left;
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-gray-900);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-speed) var(--transition-ease);
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-item.active .faq-question {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

/* FAQ Icon */
.faq-icon {
    font-size: var(--text-xl);
    transition: transform var(--transition-speed) var(--transition-ease);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* FAQ Answer */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow) var(--transition-ease);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    color: var(--color-gray-700);
    line-height: var(--leading-relaxed);
}

/* Desktop */
@media (min-width: 768px) {
    .faq-question {
        font-size: var(--text-xl);
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .faq-answer-content {
        padding: var(--spacing-md) var(--spacing-xl) var(--spacing-xl);
        font-size: var(--text-lg);
    }
}


/* ============================================
   FOOTER
   ============================================ */

.landing-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--color-white);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
    color: var(--color-gray-400);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

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

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-gray-800);
    border-radius: 50%;
    color: var(--color-white);
    font-size: var(--text-lg);
    transition: all var(--transition-speed) var(--transition-ease);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--text-sm);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}


/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

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

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

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus Indicators */
*:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

/* Hide on mobile */
@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
}

/* Hide on desktop */
@media (min-width: 768px) {
    .hide-desktop {
        display: none !important;
    }
}

/* Touch-friendly sizes */
@media (hover: none) and (pointer: coarse) {
    button,
    a.btn,
    .btn-primary,
    .btn-secondary,
    .btn-primary-large,
    .btn-outline-large {
        min-height: 44px;
        min-width: 44px;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* GPU acceleration for animations */
.hero-visual,
.feature-card,
.pricing-card,
.mockup-image {
    will-change: transform;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .landing-nav,
    .hero-section,
    .landing-footer {
        display: none;
    }
    
    .pricing-section,
    .features-section,
    .faq-section {
        page-break-inside: avoid;
    }
}