/* ==========================================================================
   iZen Landing Page Stylesheet - Premium Design (Stripe/Linear Aesthetic)
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Curated Dark Slate & Orange Brand Palette */
    --color-bg-dark: #0B0F19;
    --color-bg-surface: #131A2C;
    --color-bg-card: #1C253B;
    
    --color-primary: #FF7A00;
    --color-primary-hover: #FF9433;
    --color-primary-glow: rgba(255, 122, 0, 0.15);
    
    --color-purple: #8B5CF6;
    
    --color-text-white: #FFFFFF;
    --color-text-primary: #F1F5F9;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    
    --transition-speed: 0.3s;
    --transition-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-premium: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(255, 122, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text-white);
}

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

/* Grid & Layout Containers */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    width: 100%;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--color-bg-card);
    border-radius: 5px;
    border: 2px solid var(--color-bg-dark);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* NAVBAR Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background-color: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--color-primary);
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-nav-download {
    background-color: var(--color-primary);
    color: var(--color-text-white);
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(255, 122, 0, 0.2);
}

.btn-nav-download:hover {
    background-color: var(--color-primary-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-white);
    font-size: 22px;
    cursor: pointer;
}

/* HERO SECTION Styles */
.hero-section {
    padding-top: 180px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}

.hero-bg-gradients {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1400px;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.gradient-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
}

.gradient-blob.orange {
    top: -100px;
    left: 200px;
    width: 500px;
    height: 500px;
    background-color: var(--color-primary);
}

.gradient-blob.purple {
    top: 100px;
    right: 200px;
    width: 600px;
    height: 600px;
    background-color: var(--color-purple);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 850px;
    margin: 0 auto;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    background-color: rgba(255, 122, 0, 0.08);
    border: 1px solid rgba(255, 122, 0, 0.2);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 30px;
    letter-spacing: 0.3px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-primary) 0%, #FFA95A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.btn-primary-hero {
    background-color: var(--color-primary);
    color: var(--color-text-white);
    padding: 16px 32px;
    border-radius: var(--border-radius-md);
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(255, 122, 0, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary-hero:hover {
    background-color: var(--color-primary-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary-hero {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 16px 32px;
    border-radius: var(--border-radius-md);
    font-size: 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary-hero:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.hero-trust {
    margin-top: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero-trust span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    font-weight: 600;
}

.trust-platforms {
    display: flex;
    gap: 24px;
}

.platform-item {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    padding: 6px 14px;
    border-radius: 50px;
}

/* SECTION GLOBAL HEADERS */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-subtitle {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title-main {
    font-size: 38px;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc-main {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* FEATURES SECTION Styles */
.features-section {
    padding: 100px 0;
    background-color: var(--color-bg-surface);
    position: relative;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-speed) var(--transition-elastic);
}

.feature-card:hover {
    border-color: rgba(255, 122, 0, 0.3);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    width: 54px;
    height: 54px;
    background-color: rgba(255, 122, 0, 0.08);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 14px;
}

.feature-text {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* DEMO/PREVIEW SECTION Styles */
.demo-section {
    padding: 120px 0;
    background-color: var(--color-bg-dark);
}

.demo-box {
    display: grid;
    grid-template-columns: 1.1fr 1.3fr;
    gap: 60px;
    align-items: center;
}

.demo-visual {
    width: 100%;
}

.demo-heading {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.demo-text {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.demo-bullets {
    list-style: none;
}

.demo-bullets li {
    font-size: 15px;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.demo-bullets li i {
    color: var(--color-primary);
}

/* Premium Dashboard Mockup Window */
.mockup-window {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.mockup-header {
    height: 40px;
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    position: relative;
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
}

.mockup-dots span:first-child { background-color: #EF4444; }
.mockup-dots span:nth-child(2) { background-color: #F59E0B; }
.mockup-dots span:last-child { background-color: #10B981; }

.mockup-address {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 11px;
    padding: 2px 20px;
    color: var(--color-text-muted);
}

.mockup-content {
    display: grid;
    grid-template-columns: 80px 1fr;
    height: 280px;
}

.mock-sidebar {
    background-color: #0F1523;
    border-right: 1px solid var(--color-border);
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mock-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
}

.mock-logo img {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.mock-logo span {
    display: none;
}

.mock-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mock-nav div {
    font-size: 11px;
    color: var(--color-text-muted);
    padding: 6px;
    border-radius: 4px;
    text-align: center;
    cursor: pointer;
}

.mock-nav div.active {
    background-color: rgba(255, 122, 0, 0.08);
    color: var(--color-primary);
}

.mock-main {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mock-main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    font-weight: 500;
}

.mock-badge {
    background-color: rgba(255, 122, 0, 0.1);
    color: var(--color-primary);
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 10px;
}

.mock-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.mock-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 12px;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
}

.mock-card .label {
    font-size: 9px;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.mock-card .val {
    font-size: 14px;
    font-weight: 600;
    margin-top: 4px;
}

.mock-card.font-green .val {
    color: #10B981;
}

.mock-chart-placeholder {
    height: 90px;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    padding-top: 10px;
}

.mock-chart-placeholder .bar {
    width: 24px;
    background: linear-gradient(180deg, var(--color-primary) 0%, rgba(255,122,0,0.1) 100%);
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}

/* DOWNLOADS SECTION Styles */
.downloads-section {
    padding: 100px 0;
    background-color: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.download-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    transition: all var(--transition-speed);
}

.download-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.download-card .card-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(255, 122, 0, 0.08);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 24px;
}

.download-card .card-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.download-card .card-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    max-width: 320px;
}

.download-card .card-file-info {
    font-size: 11px;
    color: var(--color-text-muted);
    background-color: rgba(0, 0, 0, 0.2);
    padding: 4px 12px;
    border-radius: 50px;
    margin-bottom: 30px;
}

.btn-card-download {
    width: 100%;
    background-color: var(--color-primary);
    color: var(--color-text-white);
    padding: 14px 24px;
    border-radius: var(--border-radius-md);
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 122, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-card-download:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}

/* PRICING SECTION Styles */
.pricing-section {
    padding: 100px 0;
    background-color: var(--color-bg-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 40px auto 0;
}

.pricing-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-speed);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(255, 122, 0, 0.1);
    background-color: #121A2E;
}

.pricing-badge-popular {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--color-primary);
    color: var(--color-text-white);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 50px;
    letter-spacing: 0.5px;
}

.card-header-plan {
    margin-bottom: 30px;
}

.pricing-card .plan-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 12px;
}

.pricing-card.featured .plan-name {
    color: var(--color-primary);
}

.pricing-card .plan-price {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-text-white);
    line-height: 1;
}

.pricing-card .plan-price span {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
}

.plan-features {
    list-style: none;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.plan-features li {
    font-size: 14px;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.plan-features li i {
    color: #10B981;
}

.plan-features li.disabled {
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.plan-features li.disabled i {
    color: #EF4444;
}

.btn-pricing-action {
    display: block;
    text-align: center;
    width: 100%;
    padding: 14px 24px;
    border-radius: var(--border-radius-md);
    font-size: 15px;
    font-weight: 600;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-white);
}

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

.btn-pricing-action.featured {
    background-color: var(--color-primary);
    border: none;
    box-shadow: 0 4px 15px rgba(255, 122, 0, 0.25);
}

.btn-pricing-action.featured:hover {
    background-color: var(--color-primary-hover);
    box-shadow: var(--shadow-glow);
}

/* FAQ SECTION Styles */
.faq-section {
    padding: 100px 0;
    background-color: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
}

.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: all var(--transition-speed);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--color-text-white);
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
}

.faq-question i {
    font-size: 14px;
    color: var(--color-text-muted);
    transition: transform var(--transition-speed);
}

.faq-answer {
    padding: 0 24px 24px;
    color: var(--color-text-secondary);
    font-size: 15px;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* FOOTER Styles */
.footer {
    padding: 80px 0 40px;
    background-color: var(--color-bg-dark);
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
}

.footer-brand img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.footer-tagline {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.footer-divider {
    border: 0;
    border-top: 1px solid var(--color-border);
    margin-bottom: 30px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom .copyright {
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-links a {
    font-size: 13px;
    color: var(--color-text-muted);
}

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

/* ==========================================================================
   Media Queries & Responsiveness
   ========================================================================== */

@media (max-width: 992px) {
    .hero-title {
        font-size: 46px;
    }
    
    .demo-box {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .demo-bullets {
        display: inline-block;
        text-align: left;
    }
    
    .mock-logo span {
        display: block;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 70px;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-bg-dark);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 30px 24px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-speed) ease;
        z-index: 99;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-actions {
        display: none;
    }
    
    .hero-section {
        padding-top: 130px;
        padding-bottom: 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        padding: 0 20px;
    }
    
    .btn-primary-hero, .btn-secondary-hero {
        justify-content: center;
    }
    
    .trust-platforms {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        padding: 0 20px;
    }
    
    .platform-item {
        justify-content: center;
    }
    
    .section-title-main {
        font-size: 28px;
    }
    
    .pricing-card {
        padding: 40px 24px;
    }
}