/* ==========================================================================
   GoinClub Landing Page stylesheet
   Curated B2B Nightlife Dark Mode Aesthetic
   ========================================================================== */

/* Typography */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Color Palette */
    --bg-dark: hsl(225, 40%, 5%);
    --bg-card: hsla(225, 35%, 10%, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    --accent-purple: hsl(265, 90%, 62%);
    --accent-cyan: hsl(192, 95%, 50%);
    --accent-pink: hsl(325, 90%, 60%);
    
    --text-primary: hsl(210, 20%, 98%);
    --text-secondary: hsl(215, 15%, 72%);
    --text-muted: hsl(215, 10%, 50%);
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-cyan) 100%);
    --gradient-dark: linear-gradient(180deg, hsl(225, 40%, 6%) 0%, hsl(225, 45%, 3%) 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    --gradient-text: linear-gradient(to right, #ffffff 30%, var(--text-secondary) 100%);
    
    /* Layout */
    --max-width: 1200px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Shadows */
    --shadow-glow-purple: 0 0 40px rgba(139, 92, 246, 0.15);
    --shadow-glow-cyan: 0 0 40px rgba(6, 182, 212, 0.15);
    --shadow-button: 0 8px 30px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--gradient-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

button {
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Layout Containers */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
    position: relative;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 7, 12, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-b: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(3, 4, 8, 0.9);
    padding: 0.8rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.logo-img {
    height: 2.8rem;
    width: auto;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-link:hover {
    color: var(--accent-cyan);
}

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

/* Menu Toggle for Mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Interactive Buttons */
.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 0.8rem;
    font-size: 0.95rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-button);
}

.btn-primary {
    background: var(--gradient-hero);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5), 0 0 20px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 0;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    right: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-tag {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-cyan);
    margin-bottom: 1.2rem;
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: 2rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3.8rem;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1.2rem;
}

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

.hero-glow-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), var(--shadow-glow-purple);
    backdrop-filter: blur(20px);
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

/* Custom Floating animation */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.glow-card-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

.glow-card-img {
    height: 140px;
    width: auto;
    filter: drop-shadow(0 0 15px rgba(6, 182, 212, 0.3));
}

.glow-card-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: hsl(142, 70%, 50%);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.glow-card-status span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: hsl(142, 70%, 50%);
    display: inline-block;
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(0.9); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.5; }
    100% { transform: scale(0.9); opacity: 1; }
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-purple);
    margin-bottom: 0.8rem;
    display: inline-block;
}

.section-title {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 2.8rem;
    letter-spacing: -1px;
    margin-bottom: 1.2rem;
}

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

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

.feature-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 1;
    z-index: 0;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--shadow-glow-purple);
}

.feature-icon-wrapper {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.8rem;
    color: var(--accent-purple);
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--accent-purple);
    color: #ffffff;
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.feature-card.cyan:hover .feature-icon-wrapper {
    background: var(--accent-cyan);
    color: #030712;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.feature-card.cyan .feature-icon-wrapper {
    background: rgba(6, 182, 212, 0.08);
    border-color: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
}

.feature-card.pink:hover .feature-icon-wrapper {
    background: var(--accent-pink);
    color: #ffffff;
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.4);
}

.feature-card.pink .feature-icon-wrapper {
    background: rgba(236, 72, 153, 0.08);
    border-color: rgba(236, 72, 153, 0.15);
    color: var(--accent-pink);
}

.feature-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    position: relative;
    z-index: 1;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

/* Pricing Section */
.pricing-section {
    background: rgba(5, 7, 12, 0.4);
    border-y: 1px solid var(--border-color);
}

.pricing-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: start;
}

.pricing-calculator-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    padding: 3rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
}

.pricing-calculator-card h3 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
}

.slider-group {
    margin-bottom: 2.2rem;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    font-weight: 700;
    font-size: 0.95rem;
}

.slider-value {
    color: var(--accent-cyan);
    font-size: 1.1rem;
    font-family: var(--font-heading);
    font-weight: 800;
}

.range-input {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    border-radius: 3px;
    -webkit-appearance: none;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-cyan);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.6);
    transition: transform 0.1s ease;
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.modules-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.module-checkbox {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 1rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.module-checkbox:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

.module-checkbox.active {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.08);
}

.module-checkbox input {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--accent-purple);
}

/* Pricing Cards */
.pricing-cards-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.pricing-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.pricing-card.premium {
    border-color: var(--accent-purple);
    background: linear-gradient(145deg, rgba(139, 92, 246, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    box-shadow: var(--shadow-glow-purple);
}

.pricing-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--accent-purple);
    color: #ffffff;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-card-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.8rem;
}

.pricing-card-price {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3rem;
    line-height: 1;
    margin-bottom: 1.8rem;
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
}

.pricing-card-price span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
}

.pricing-card-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-card-features li {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.pricing-card-features li::before {
    content: '✓';
    color: var(--accent-cyan);
    font-weight: 700;
}

.pricing-card.premium .pricing-card-features li::before {
    color: var(--accent-purple);
}

/* Call to Action Footer Section */
.cta-section {
    padding: 10rem 0;
    text-align: center;
    overflow: hidden;
}

.cta-glow-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.05) 50%, rgba(0,0,0,0) 70%);
    z-index: 0;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3.5rem;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.cta-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Footer */
footer {
    padding: 4rem 0;
    background: hsl(225, 45%, 3%);
    border-t: 1px solid var(--border-color);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
}

.footer-logo-img {
    height: 2.2rem;
}

.footer-copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* In production landing, we keep it simple or implement toggle */
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-desc {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-calculator-card {
        padding: 2rem;
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
        padding: 0 2rem;
    }
    
    .footer-grid {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

/* Language Selector */
.lang-selector {
    position: relative;
    display: inline-block;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 0.8rem;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

.lang-dropdown {
    position: absolute;
    top: 105%;
    right: 0;
    width: 75px;
    background: hsla(225, 35%, 8%, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 0.8rem;
    padding: 0.4rem;
    list-style: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1100;
    text-align: center;
}

.lang-selector:hover .lang-dropdown,
.lang-selector:focus-within .lang-dropdown,
.lang-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li {
    margin-bottom: 0.2rem;
}

.lang-dropdown li:last-child {
    margin-bottom: 0;
}

.lang-dropdown a {
    display: block;
    padding: 0.4rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.lang-dropdown a:hover,
.lang-dropdown a.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.lang-dropdown a.active {
    color: var(--accent-cyan);
}

/* Employee Slider Container Transition */
.employee-slider-container {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 0;
}

.employee-slider-container.visible {
    max-height: 120px;
    opacity: 1;
    margin-top: 2rem;
}