/* ==========================================================================
   Zenith SaaS Landing Page Style (Enterprise Tech Dark)
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
    --bg-dark: #080a10;
    --bg-card: rgba(15, 22, 36, 0.65);
    
    --emerald: #10b981;
    --emerald-glow: rgba(16, 185, 129, 0.35);
    
    --border-dark: #1e293b;
    --border-glow: rgba(16, 185, 129, 0.2);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body.saas-body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* Glowing Vector Orbs */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -2;
    opacity: 0.25;
    pointer-events: none;
}

.orb-1 {
    top: -5%;
    right: 5%;
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, var(--emerald) 0%, transparent 70%);
}

.orb-2 {
    top: 60%;
    left: -5%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
}

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Home Navigation Button */
.home-nav-btn {
    position: absolute;
    left: 2rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.01);
}

.home-nav-btn:hover {
    color: var(--emerald);
    border-color: var(--emerald);
    background-color: rgba(16, 185, 129, 0.05);
}

/* Header */
.header {
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border-dark);
    position: sticky;
    top: 0;
    background-color: rgba(8, 10, 16, 0.75);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 99;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--emerald);
}

.nav {
    display: flex;
    gap: 2.5rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-cta {
    position: absolute;
    right: 2rem;
}

/* Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-sm {
    padding: 0.5rem 1.1rem;
    font-size: 0.8rem;
}

.btn-emerald {
    background-color: var(--emerald);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.btn-emerald:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--emerald-glow);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dark);
    color: var(--text-primary);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--text-secondary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding: 6rem 0;
    position: relative;
}

.hero-container {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
    padding: 0 2rem;
}

.hero-badge {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--emerald);
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(90deg, var(--emerald) 20%, #3b82f6 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 3rem auto;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 5rem;
}

/* Dashboard Mock Widget */
.dashboard-preview-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-align: left;
}

.dashboard-header {
    height: 45px;
    background-color: rgba(15, 22, 36, 0.9);
    border-bottom: 1px solid var(--border-dark);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    position: relative;
}

.dots-row {
    display: flex;
    gap: 0.4rem;
}

.dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.dashboard-search-mock {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 250px;
    height: 25px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dark);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.dashboard-body-grid {
    display: grid;
    grid-template-columns: 180px 1fr;
    height: 320px;
}

.db-sidebar {
    border-right: 1px solid var(--border-dark);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.db-side-link {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.db-side-link.active, .db-side-link:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.db-side-link.active i {
    color: var(--emerald);
}

.db-main {
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.db-welcome {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.db-welcome h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
}

.db-badge {
    font-size: 0.7rem;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--emerald);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 700;
}

.db-stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.db-stat-card {
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-dark);
    padding: 1rem;
    border-radius: 8px;
    position: relative;
}

.db-stat-card span {
    font-size: 0.65rem;
    color: var(--text-secondary);
    display: block;
    letter-spacing: 0.5px;
}

.db-stat-card strong {
    font-size: 1.4rem;
    font-family: var(--font-heading);
    display: block;
    margin: 0.25rem 0;
}

.trend {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.72rem;
    font-weight: 700;
}

.trend.up { color: var(--emerald); }
.trend.down { color: #ef4444; }

.db-chart-placeholder {
    border: 1px solid var(--border-dark);
    background-color: rgba(255, 255, 255, 0.01);
    border-radius: 8px;
    flex-grow: 1;
    padding: 1.25rem;
    display: flex;
    align-items: flex-end;
}

.bar-chart {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
}

.bar {
    flex-grow: 1;
    height: var(--h);
    background-color: var(--border-dark);
    border-radius: 4px;
    transition: background-color 0.4s, height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.bar.active {
    background-color: var(--emerald);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

/* ==========================================================================
   Features Tabs Section
   ========================================================================== */
.features-section {
    padding: 6rem 0;
    border-top: 1px solid var(--border-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-top: -1.5rem;
    margin-bottom: 4rem;
}

.tab-menu {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-dark);
    color: var(--text-secondary);
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-smooth);
}

.tab-btn:hover, .tab-btn.active {
    color: var(--emerald);
    border-color: var(--emerald);
    background-color: rgba(16, 185, 129, 0.03);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.05);
}

.tab-content {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    padding: 4rem;
    min-height: 350px;
}

.tab-panel {
    display: none;
    animation: tabReveal 0.5s ease forwards;
}

.tab-panel.active {
    display: block;
}

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

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

.panel-details h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 1.25rem;
}

.panel-details p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.panel-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.panel-list li {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.panel-list li i {
    color: var(--emerald);
}

.panel-graphic {
    height: 250px;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.graphic-huge-icon {
    font-size: 6rem;
    transition: transform 0.5s ease;
}

.tab-panel:hover .graphic-huge-icon {
    transform: scale(1.1) rotate(5deg);
}

.grad-blue { background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(15, 22, 36, 0.8) 100%); color: #3b82f6; }
.grad-green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(15, 22, 36, 0.8) 100%); color: var(--emerald); }
.grad-purple { background: linear-gradient(135deg, rgba(168, 85, 247, 0.15) 0%, rgba(15, 22, 36, 0.8) 100%); color: #a855f7; }

/* ==========================================================================
   Pricing calculator section
   ========================================================================== */
.pricing-section {
    padding: 6rem 0;
    border-top: 1px solid var(--border-dark);
}

.toggle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 4rem;
}

.toggle-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.toggle-label.active {
    color: var(--text-primary);
}

.discount-badge {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--emerald);
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
    margin-left: 0.35rem;
}

.toggle-switch {
    width: 54px;
    height: 30px;
    background-color: var(--border-dark);
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    position: relative;
    padding: 3px;
    transition: background-color 0.3s;
}

.toggle-switch:hover {
    background-color: var(--text-muted);
}

.toggle-switch-handle {
    display: block;
    width: 24px;
    height: 24px;
    background-color: var(--text-primary);
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toggle-switch.active {
    background-color: var(--emerald);
}

.toggle-switch.active .toggle-switch-handle {
    transform: translateX(24px);
    background-color: var(--bg-dark);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: center;
}

.price-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    padding: 3rem 2.25rem;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
}

.price-card.pro-featured {
    border-color: var(--emerald);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.1);
    padding: 3.5rem 2.25rem 3rem 2.25rem;
}

.featured-banner {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--emerald);
    color: var(--bg-dark);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 0.35rem 1rem;
    border-radius: 9999px;
    letter-spacing: 1px;
}

.plan-name {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.price-wrap {
    display: flex;
    align-items: baseline;
    margin-bottom: 1.5rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.price-num {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1px;
    transition: transform 0.3s;
}

.duration {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.plan-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    min-height: 45px;
}

.plan-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
    border-top: 1px solid var(--border-dark);
    padding-top: 2rem;
}

.plan-features li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.plan-features li i {
    color: var(--emerald);
}

.plan-features li.muted {
    color: var(--text-muted);
}

.plan-features li.muted i {
    color: var(--text-muted);
}

.plan-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-dark);
    color: var(--text-primary);
    padding: 0.9rem 0;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.plan-btn:hover {
    border-color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
}

.pro-featured .plan-btn {
    background-color: var(--emerald);
    color: var(--bg-dark);
    border: none;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.pro-featured .plan-btn:hover {
    transform: none;
    box-shadow: 0 6px 20px var(--emerald-glow);
    opacity: 0.9;
}

/* ==========================================================================
   Accordion FAQ Section
   ========================================================================== */
.faq-section {
    padding: 6rem 0;
    border-top: 1px solid var(--border-dark);
}

.accordion-list {
    max-width: 650px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    overflow: hidden;
}

.accordion-trigger {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.98rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
}

.trigger-arrow {
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-item.active .trigger-arrow {
    transform: rotate(180deg);
    color: var(--emerald);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s;
    background-color: rgba(255, 255, 255, 0.01);
}

.accordion-item.active .accordion-content {
    max-height: 200px; /* Expands open */
}

.accordion-content p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
    padding: 7rem 2rem;
    background: radial-gradient(circle at center, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
    border-top: 1px solid var(--border-dark);
    text-align: center;
}

.cta-banner h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.cta-banner p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-dark);
    padding: 4rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive configurations */
@media (max-width: 768px) {
    .hero-title { font-size: 2.8rem; }
    .panel-grid { grid-template-columns: 1fr; gap: 2rem; }
    .dashboard-body-grid { grid-template-columns: 1fr; height: auto; }
    .db-sidebar { display: none; }
    .tab-content { padding: 2rem; }
    .tab-btn span { display: none; }
}