/* ==========================================================================
   IASinergia - Visual Design System & Stylesheet
   ========================================================================== */

/* 1. VARIABLES & DESIGN TOKENS */
:root {
    /* Colors */
    --bg-dark: #09090b;
    --bg-card: rgba(24, 24, 27, 0.65);
    --bg-card-hover: rgba(39, 39, 42, 0.85);
    --border-color: rgba(63, 63, 70, 0.4);
    --border-hover: rgba(139, 92, 246, 0.6);
    
    --accent-cyan: #00f2fe;
    --accent-cyan-glow: rgba(0, 242, 254, 0.3);
    --accent-purple: #d946ef;
    --accent-violet: #8b5cf6;
    --accent-violet-glow: rgba(139, 92, 246, 0.35);
    
    --text-main: #fafafa;
    --text-muted: #a1a1aa;
    --text-dark: #09090b;
    --success-green: #10b981;
    --success-green-glow: rgba(16, 185, 129, 0.2);
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, var(--accent-cyan) 0%, #4facfe 100%);
    --grad-purple: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-violet) 100%);
    --grad-dark: linear-gradient(180deg, #18181b 0%, #09090b 100%);
    --grad-border: linear-gradient(135deg, rgba(0, 242, 254, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    --grad-border-hover: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-violet) 100%);

    /* Typography */
    --font-title: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. BASE RESET & INITIAL STYLING */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

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

/* 3. UTILITY CLASSES */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 6.5rem 0;
}

.text-center {
    text-align: center;
}

.gradient-text-cyan {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-purple {
    background: var(--grad-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* 4. BUTTONS SYSTEM */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-title);
    font-weight: 600;
    padding: 0.85rem 1.75rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--grad-purple);
    color: var(--text-main);
    box-shadow: 0 4px 20px var(--accent-violet-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(217, 70, 239, 0.5);
    background: linear-gradient(135deg, #e25ef2 0%, #9d7cf7 100%);
}

.btn-secondary {
    background: rgba(39, 39, 42, 0.6);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(39, 39, 42, 0.9);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px var(--accent-cyan-glow);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-main);
    border: 1px solid rgba(250, 250, 250, 0.15);
}

.btn-ghost:hover {
    background: rgba(250, 250, 250, 0.05);
    border-color: rgba(250, 250, 250, 0.4);
}

.btn-full {
    width: 100%;
}

.btn-lg {
    padding: 1.1rem 2.25rem;
    font-size: 1.1rem;
}

/* 5. HEADER & NAVIGATION */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(9, 9, 11, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.header.scrolled {
    padding: 0.6rem 0;
    background: rgba(9, 9, 11, 0.92);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.logo-text {
    font-family: var(--font-title);
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-main);
}

.logo-text span {
    color: var(--accent-cyan);
}

.nav-menu ul {
    display: flex;
    gap: 2.25rem;
}

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

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

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

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 6. HERO SECTION */
.hero-section {
    position: relative;
    padding-top: 10rem;
    padding-bottom: 7rem;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(130px);
    z-index: -1;
    opacity: 0.4;
}

.hero-glow-1 {
    top: 10%;
    right: 15%;
    width: 350px;
    height: 350px;
    background: var(--accent-violet-glow);
}

.hero-glow-2 {
    bottom: 10%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: var(--accent-cyan-glow);
}

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

.badge-new {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #c084fc;
    padding: 0.4rem 0.9rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.75rem;
}

.animate-pulse {
    animation: pulse 2.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.95; }
    50% { transform: scale(1.02); opacity: 1; box-shadow: 0 0 10px rgba(139, 92, 246, 0.2); }
    100% { transform: scale(1); opacity: 0.95; }
}

.hero-title {
    font-family: var(--font-title);
    font-size: 3.5rem;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 2.25rem;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 700;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Floating Mockup */
.hero-image-wrapper {
    position: relative;
}

.hero-image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 105%;
    height: 105%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
    z-index: -1;
}

.hero-image-card {
    background: rgba(15, 15, 20, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 0.75rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    position: relative;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-smooth);
}

.hero-image-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.01);
}

.hero-img {
    border-radius: calc(var(--border-radius-md) - 6px);
    width: 100%;
}

.floating-badge {
    position: absolute;
    background: rgba(24, 24, 27, 0.9);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
}

.badge-top-right {
    top: 15%;
    right: -10%;
}

.badge-bottom-left {
    bottom: 15%;
    left: -10%;
}

.success-icon {
    color: var(--success-green);
}

.badge-title {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-status {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* 7. BENEFICIOS */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 4.5rem auto;
}

.section-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(250, 250, 250, 0.02) 0%, transparent 100%);
    pointer-events: none;
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.1);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-cyan {
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent-cyan);
}

.icon-purple {
    background: rgba(217, 70, 239, 0.1);
    color: var(--accent-purple);
}

.icon-emerald {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-green);
}

.benefit-title {
    font-family: var(--font-title);
    font-size: 1.35rem;
    margin-bottom: 0.85rem;
}

.benefit-text {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* 8. HERRAMIENTAS EXPLORER */
.tools-filter-wrapper {
    background: rgba(24, 24, 27, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

#tool-search {
    width: 100%;
    background: rgba(9, 9, 11, 0.8);
    border: 1px solid var(--border-color);
    padding: 1rem 1rem 1rem 3.25rem;
    border-radius: var(--border-radius-sm);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-smooth);
}

#tool-search:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.clear-search {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
}

.clear-search:hover {
    color: var(--text-main);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-tab {
    background: rgba(24, 24, 27, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.6rem 1.2rem;
    border-radius: 100px;
    font-family: var(--font-title);
    font-weight: 500;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.filter-tab:hover {
    border-color: rgba(250, 250, 250, 0.25);
    color: var(--text-main);
}

.filter-tab.active {
    background: var(--grad-primary);
    color: var(--text-dark);
    font-weight: 600;
    border-color: transparent;
    box-shadow: 0 4px 15px var(--accent-cyan-glow);
}

.tools-grid-outer {
    position: relative;
    min-height: 250px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 1.25rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 170px;
}

.tool-card:hover {
    border-color: rgba(0, 242, 254, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 242, 254, 0.05);
}

.tool-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.tool-name {
    font-family: var(--font-title);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-main);
}

.tool-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 0.75rem;
}

.tool-tier-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

.tier-basico {
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.tier-premium {
    background: rgba(217, 70, 239, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(217, 70, 239, 0.2);
}

.tier-vip {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.25);
}

.tool-category-label {
    font-size: 0.725rem;
    color: var(--text-muted);
}

.no-results {
    text-align: center;
    padding: 4rem 1.5rem;
    color: var(--text-muted);
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent-purple);
}

/* 9. SECCIÓN PRECIOS */
.pricing-section {
    position: relative;
}

.pricing-bg-glow {
    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%, transparent 70%);
    pointer-events: none;
}

.billing-toggle-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
    background: rgba(24, 24, 27, 0.8);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
}

.billing-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.billing-label.active {
    color: var(--text-main);
    font-weight: 600;
}

.billing-toggle-btn {
    width: 50px;
    height: 26px;
    background: #27272a;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    cursor: pointer;
    position: relative;
    outline: none;
    transition: var(--transition-smooth);
}

.billing-toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: var(--text-main);
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.billing-toggle-btn.active {
    background: var(--grad-purple);
    border-color: transparent;
}

.billing-toggle-btn.active .billing-toggle-thumb {
    left: calc(100% - 22px);
}

.discount-tag {
    background: var(--success-green);
    color: var(--text-dark);
    font-size: 0.725rem;
    font-weight: 700;
    padding: 0.15rem 0.45rem;
    border-radius: 100px;
    margin-left: 0.25rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.25rem;
    align-items: stretch;
    margin-top: 2rem;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem 2.25rem;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.pricing-card.featured {
    border: 2px solid var(--accent-purple);
    background: linear-gradient(180deg, rgba(24, 24, 27, 0.9) 0%, rgba(9, 9, 11, 0.95) 100%);
    box-shadow: 0 15px 30px rgba(217, 70, 239, 0.15);
    z-index: 2;
}

.pricing-card.featured:hover {
    box-shadow: 0 25px 50px rgba(217, 70, 239, 0.25);
}

.featured-ribbon {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    background: var(--grad-purple);
    color: var(--text-main);
    font-size: 0.725rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
}

.plan-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    margin-bottom: 1.25rem;
}

.plan-badge.gradient-bg-purple {
    background: rgba(217, 70, 239, 0.15);
    color: #f472b6;
    border-color: rgba(217, 70, 239, 0.3);
}

.plan-name {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.plan-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.price-display {
    display: flex;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

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

.price-val {
    font-family: var(--font-title);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    margin: 0 0.1rem;
}

.period {
    color: var(--text-muted);
    font-size: 1rem;
}

.sub-price {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-divider {
    height: 1px;
    background: var(--border-color);
    margin: 2.25rem 0;
}

.card-body {
    flex-grow: 1;
}

.features-list-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
    margin-bottom: 2.5rem;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.features-list li span {
    line-height: 1.4;
}

.features-list li strong {
    color: var(--text-main);
}

.check-icon {
    color: var(--accent-cyan);
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 2px;
}

.featured .check-icon {
    color: var(--accent-purple);
}

.card-footer {
    margin-top: auto;
}

/* 10. CALCULADORA WIDGET */
.calculator-section {
    background: radial-gradient(circle at 10% 20%, rgba(24, 24, 27, 0.8) 0%, rgba(9, 9, 11, 0.95) 90%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4.5rem;
    align-items: center;
}

.badge-transparent {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
    padding: 0.4rem 0.9rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.calc-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.calc-desc {
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.calc-subdesc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2.25rem;
}

.payment-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.p-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.calc-box-card {
    background: #18181b;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
}

.calc-card-title {
    font-family: var(--font-title);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.75rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    background: #09090b;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.85rem 1rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-control:focus {
    border-color: var(--accent-purple);
}

.duration-radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.duration-label {
    border: 1px solid var(--border-color);
    background: #09090b;
    padding: 0.85rem;
    border-radius: var(--border-radius-sm);
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.duration-label.active {
    border-color: var(--accent-cyan);
    color: var(--text-main);
    background: rgba(0, 242, 254, 0.05);
}

.calc-results-area {
    background: #09090b;
    border-radius: var(--border-radius-sm);
    padding: 1.25rem;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.result-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.result-row.total {
    border-top: 1px solid var(--border-color);
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-main);
}

.highlight-fee {
    color: var(--accent-purple);
    font-weight: 600;
}

.calc-action {
    text-align: center;
}

.calc-checkout-btn {
    font-size: 1.05rem;
    padding: 1.1rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
    border: none;
    border-radius: var(--border-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    width: 100%;
}

.calc-checkout-btn:hover {
    background: linear-gradient(135deg, #2ae06c 0%, #159c8d 100%);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.55);
    transform: translateY(-2px);
    color: #ffffff;
}

.calc-checkout-btn:active {
    transform: translateY(0) scale(0.98);
}

.calc-footer-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* 11. FAQ ACCORDION */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.faq-item:hover {
    border-color: rgba(139, 92, 246, 0.35);
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-main);
    padding: 1.5rem;
    font-family: var(--font-title);
    font-size: 1.15rem;
    font-weight: 600;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    outline: none;
}

.faq-chevron {
    color: var(--text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.active {
    border-color: var(--accent-violet);
    background: rgba(24, 24, 27, 0.85);
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent-violet);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    padding-bottom: 1.5rem;
}

/* 12. FINAL CTA */
.final-cta-section {
    position: relative;
    padding: 8rem 0;
    background: linear-gradient(180deg, #09090b 0%, #18092b 100%);
    border-top: 1px solid var(--border-color);
    overflow: hidden;
}

.final-cta-title {
    font-family: var(--font-title);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.final-cta-desc {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
}

/* 13. FOOTER AREA */
.footer-area {
    border-top: 1px solid var(--border-color);
    background: #09090b;
    padding: 5rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 1.25rem;
    max-width: 320px;
}

.footer-grid h4 {
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-links ul, .footer-support ul {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links a, .footer-support a {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover, .footer-support a:hover {
    color: var(--text-main);
    transform: translateX(3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.8rem;
}

/* 14. RESPONSIVE DESIGN - MEDIA QUERIES */

/* Large Tablets & Small Desktops */
@media (max-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        width: 100%;
    }
    
    .hero-image-card {
        transform: none;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 3rem auto 0 auto;
        gap: 2rem;
    }
    
    .pricing-card.featured {
        order: -1; /* Make featured appear first in vertical stacked list */
    }
    
    .calculator-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

/* Phones & Small Tablets */
@media (max-width: 768px) {
    .section-padding {
        padding: 4.5rem 0;
    }
    
    .hero-section {
        padding-top: 8rem;
        padding-bottom: 4.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    
    .badge-top-right, .badge-bottom-left {
        position: static;
        margin: 0.5rem auto;
        justify-content: center;
        width: fit-content;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #09090b;
        padding: 3rem 2rem;
        transition: var(--transition-smooth);
        border-top: 1px solid var(--border-color);
        z-index: 99;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-cta .nav-btn {
        display: none;
    }
    
    .filter-tabs {
        justify-content: center;
    }
    
    .benefit-card {
        padding: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
}

/* 15. SOCIAL MEDIA LINKS STYLE */
.nav-socials {
    display: flex;
    align-items: center;
    gap: 1.15rem;
    margin-right: 0.75rem;
}

.nav-social-link {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

.nav-social-link:hover {
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

.nav-social-link i {
    width: 20px;
    height: 20px;
}

.footer-socials {
    display: flex;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.footer-socials a {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.footer-socials a:hover {
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

.footer-socials a i {
    width: 20px;
    height: 20px;
}

/* Hide header social links on small mobile screens to save space */
@media (max-width: 480px) {
    .nav-socials {
        display: none;
    }
}

/* 16. VIEW TOOLS LIST BUTTON & MODAL POPUP STYLES */
.view-tools-btn {
    background: transparent;
    border: none;
    color: var(--accent-cyan);
    font-family: var(--font-title);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    margin-top: 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-smooth);
}

.view-tools-btn:hover {
    color: var(--text-main);
    text-decoration: none;
}

.view-tools-btn i {
    width: 14px;
    height: 14px;
}

/* Modal Overlay */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(9, 9, 11, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

/* Modal Box */
.modal-content {
    background: #18181b;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    width: 90%;
    max-width: 650px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal.active .modal-content {
    transform: scale(1);
}

/* Modal Header */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-family: var(--font-title);
    font-size: 1.45rem;
    font-weight: 700;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.modal-close:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.modal-close i {
    width: 20px;
    height: 20px;
}

/* Search Wrapper inside Modal */
.modal-search-wrapper {
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(9, 9, 11, 0.15);
}

#modal-tool-search {
    width: 100%;
    background: #09090b;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

#modal-tool-search:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

/* Modal Body */
.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex-grow: 1;
}

/* Tools Grid inside Modal */
.modal-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.85rem;
}

.modal-tool-item {
    background: rgba(9, 9, 11, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.modal-tool-item:hover {
    border-color: rgba(0, 242, 254, 0.35);
    background: rgba(9, 9, 11, 0.7);
}

.modal-tool-item i {
    color: var(--accent-cyan);
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}