/* ==========================================================================
   Top Tools AI - Styling System (styles.css)
   Theme: Cosmic Dark & Electric Blue Glassmorphism
   ========================================================================== */

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

/* CSS Variables */
:root {
    --bg-main: #030308;
    --bg-darker: #010103;
    --bg-card: rgba(10, 10, 24, 0.55);
    --bg-terminal: rgba(6, 6, 14, 0.85);
    
    --color-primary: #0052ff;
    --color-primary-glow: rgba(0, 82, 255, 0.4);
    --color-secondary: #00d2ff;
    --color-secondary-glow: rgba(0, 210, 255, 0.3);
    --color-accent: #00ffaa;
    
    --color-text-main: #f3f4f6;
    --color-text-muted: #9ca3af;
    --color-text-darker: #6b7280;
    
    --border-glass: rgba(255, 255, 255, 0.07);
    --border-glass-hover: rgba(0, 82, 255, 0.25);
    
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-main);
    color: var(--color-text-main);
    font-family: var(--font-sans);
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 82, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 210, 255, 0.06) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(5, 5, 12, 1) 0%, var(--bg-main) 100%);
    background-attachment: fixed;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-darker);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 96px 0;
    position: relative;
}

/* Glowing Text & Gradients */
.text-gradient-blue {
    background: linear-gradient(135deg, #ffffff 30%, #00a2ff 70%, #0052ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-cyan {
    background: linear-gradient(135deg, #00d2ff 0%, #0052ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(3, 3, 8, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}

header.scrolled {
    padding: 12px 0;
    background: rgba(1, 1, 3, 0.9);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--transition-smooth);
}

header.scrolled .nav-wrapper {
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.logo-icon svg {
    width: 18px;
    height: 18px;
    fill: #fff;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: #fff;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Glass Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #003cc2 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 82, 255, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 82, 255, 0.5);
    background: linear-gradient(135deg, #1a64ff 0%, var(--color-primary) 100%);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-main);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-discord {
    background: #5865F2;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-discord:hover {
    background: #4752c4;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(88, 101, 242, 0.4);
}

.btn-whop {
    background: #fa4616;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-whop:hover {
    background: #e03b0f;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(250, 70, 22, 0.4);
}

.btn-icon {
    margin-right: 8px;
    width: 16px;
    height: 16px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 140px;
    padding-bottom: 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(0, 82, 255, 0.1);
    border: 1px solid rgba(0, 82, 255, 0.25);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.05);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.4); opacity: 1; }
    100% { transform: scale(1); opacity: 0.6; }
}

.hero-title {
    font-size: 3.75rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-actions .btn {
    padding: 14px 28px;
    font-size: 1rem;
}

/* Simulated Code Terminal Sandbox */
.terminal-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    background: var(--bg-terminal);
    border: 1px solid var(--border-glass);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 82, 255, 0.1);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.terminal-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-glass);
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-darker);
    letter-spacing: 0.5px;
}

.terminal-body {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #e5e7eb;
    overflow-y: auto;
    max-height: 380px;
    min-height: 320px;
}

.terminal-line {
    margin-bottom: 12px;
    line-height: 1.5;
}

.terminal-prompt {
    color: var(--color-secondary);
}

.terminal-output {
    color: var(--color-accent);
}

.terminal-json {
    color: #6ee7b7;
}

.terminal-comment {
    color: #4b5563;
}

.terminal-keyword {
    color: #f472b6;
}

.terminal-string {
    color: #38bdf8;
}

.terminal-api-selector {
    display: flex;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.01);
    border-bottom: 1px solid var(--border-glass);
    overflow-x: auto;
}

.api-tab {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.api-tab:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.03);
}

.api-tab.active {
    color: var(--color-secondary);
    background: rgba(0, 210, 255, 0.1);
    border-color: rgba(0, 210, 255, 0.25);
}

/* Feature Showcase */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 64px auto;
}

.section-tag {
    font-size: 0.85rem;
    color: var(--color-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 82, 255, 0.15) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-hover);
    box-shadow: 0 12px 30px rgba(0, 82, 255, 0.08);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(0, 82, 255, 0.1);
    border: 1px solid rgba(0, 82, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-secondary);
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-box {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 0 15px var(--color-primary);
}

.feature-icon-box svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Free Key Claims / Integration Box */
.interactive-action-box {
    margin-top: 64px;
    background: radial-gradient(circle at 100% 100%, rgba(0, 210, 255, 0.08) 0%, transparent 60%), rgba(10, 10, 24, 0.45);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    backdrop-filter: blur(10px);
}

.action-content h3 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.action-content p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.key-generator-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    max-width: 360px;
    justify-self: end;
}

.key-display-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(1, 1, 3, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.key-display {
    color: var(--color-accent);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 80%;
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 4px;
}

.copy-btn:hover {
    color: #fff;
    transform: scale(1.1);
}

.copy-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* AI Models Section */
.models-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
    flex-wrap: wrap;
    gap: 24px;
}

.models-header .section-header {
    text-align: left;
    margin: 0;
    max-width: 500px;
}

.search-filter-controls {
    display: flex;
    gap: 12px;
    width: 100%;
    max-width: 600px;
    flex-wrap: wrap;
}

.search-wrapper {
    position: relative;
    flex-grow: 1;
    min-width: 240px;
}

.search-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 12px 16px 12px 44px;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 82, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-darker);
    width: 18px;
    height: 18px;
}

.search-icon svg {
    fill: currentColor;
    width: 100%;
    height: 100%;
}

.filter-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    width: 100%;
    padding-bottom: 4px;
}

.filter-tab {
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.filter-tab:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.filter-tab.active {
    background: rgba(0, 82, 255, 0.15);
    border-color: rgba(0, 82, 255, 0.35);
    color: #fff;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.model-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-hover);
    box-shadow: 0 10px 25px rgba(0, 82, 255, 0.1);
}

.model-card.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary), 0 10px 30px rgba(0, 82, 255, 0.2);
    background: radial-gradient(circle at 50% 0%, rgba(0, 82, 255, 0.1) 0%, transparent 60%), var(--bg-card);
}

.model-card:hover::after {
    content: '⚡ Click to Calculate Savings';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff;
    text-align: center;
    padding: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.model-card:hover::after {
    opacity: 1;
    transform: translateY(0);
}

.model-card.selected::after {
    content: '✓ Selected for Calculator';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #005200 0%, #00aa44 100%);
    color: #fff;
    text-align: center;
    padding: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    opacity: 1;
    transform: translateY(0);
}

.model-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.model-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.model-logo svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.model-tag {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    border: 1px solid var(--border-glass);
    text-transform: uppercase;
}

.model-tag.reasoning {
    background: rgba(0, 255, 170, 0.1);
    color: var(--color-accent);
    border-color: rgba(0, 255, 170, 0.2);
}

.model-tag.language {
    background: rgba(0, 210, 255, 0.1);
    color: var(--color-secondary);
    border-color: rgba(0, 210, 255, 0.2);
}

.model-tag.vision {
    background: rgba(244, 114, 182, 0.1);
    color: #f472b6;
    border-color: rgba(244, 114, 182, 0.2);
}

.model-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.model-provider {
    font-size: 0.75rem;
    color: var(--color-text-darker);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    font-weight: 600;
}

.model-desc {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 16px;
    height: 60px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.model-meta {
    border-top: 1px solid var(--border-glass);
    padding-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.75rem;
}

.model-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.model-meta-row.highlight {
    margin-top: 2px;
    padding-top: 6px;
    border-top: 1px dashed rgba(255, 255, 255, 0.05);
}

.meta-label {
    color: var(--color-text-muted);
}

.meta-value {
    font-weight: 600;
    color: var(--color-text-main);
}

.text-retail {
    color: #f87171 !important;
}

.text-unlimited {
    color: var(--color-accent) !important;
    text-shadow: 0 0 8px rgba(0, 255, 170, 0.2);
}

.per-million {
    font-size: 0.65rem;
    color: var(--color-text-darker);
    font-weight: 400;
}

/* Cost Calculator Section */
.calculator-container {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 48px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    backdrop-filter: blur(10px);
}

.calculator-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.calculator-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.calculator-description {
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.slider-container {
    margin-bottom: 24px;
}

.slider-label-wrapper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.slider-label {
    font-weight: 600;
}

.slider-value {
    color: var(--color-secondary);
    font-weight: 800;
    font-family: var(--font-mono);
}

.calc-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    transition: background 0.3s;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-secondary);
    border: 2px solid #fff;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
    transition: var(--transition-smooth);
}

.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--color-primary);
}

.calculator-results {
    background: rgba(1, 1, 3, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-glass);
}

.result-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.result-row:first-child {
    padding-top: 0;
}

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

.result-value {
    font-weight: 800;
    font-family: var(--font-mono);
    font-size: 1.1rem;
}

.value-retail {
    color: #f87171;
}

.value-toptools {
    color: var(--color-accent);
    font-size: 1.25rem;
}

.value-savings {
    background: linear-gradient(135deg, #00ffaa 0%, #00d2ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.75rem;
}

.saving-badge {
    align-self: center;
    background: rgba(0, 255, 170, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(0, 255, 170, 0.2);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    margin-top: 24px;
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
    width: 100%;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.pricing-card.popular {
    border-color: var(--color-primary);
    box-shadow: 0 15px 35px rgba(0, 82, 255, 0.15);
    background: radial-gradient(circle at 50% 0%, rgba(0, 82, 255, 0.15) 0%, transparent 60%), var(--bg-card);
}

.popular-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--color-primary);
    color: #fff;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-hover);
}

.pricing-card.popular:hover {
    border-color: var(--color-secondary);
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.plan-desc {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.plan-price-wrapper {
    display: flex;
    align-items: baseline;
    margin-bottom: 32px;
}

.plan-price {
    font-size: 2.75rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.plan-period {
    color: var(--color-text-darker);
    font-weight: 600;
    margin-left: 6px;
}

.plan-features {
    list-style: none;
    margin-bottom: 40px;
    flex-grow: 1;
}

.plan-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.plan-feature svg {
    width: 18px;
    height: 18px;
    color: var(--color-secondary);
    fill: currentColor;
    flex-shrink: 0;
}

.plan-feature.unlocked svg {
    color: var(--color-accent);
}

.plan-feature.locked {
    color: var(--color-text-darker);
}

.plan-feature.locked svg {
    color: var(--color-text-darker);
}

.pricing-card .btn {
    width: 100%;
}

/* Contact Us Grid & Form */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: stretch;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.contact-card:last-child {
    margin-bottom: 0;
}

.contact-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-card-title svg {
    width: 20px;
    height: 20px;
    fill: var(--color-secondary);
}

.contact-card-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(10px);
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.form-input, .form-textarea {
    width: 100%;
    background: rgba(1, 1, 3, 0.6);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-textarea {
    height: 120px;
    resize: none;
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 82, 255, 0.15);
}

.form-submit-btn {
    width: 100%;
    padding: 14px;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
}

/* Footer styling */
footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-glass);
    padding: 64px 0 32px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.footer-links-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.footer-link:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-darker);
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

/* Toast Message */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: rgba(10, 10, 24, 0.9);
    border: 1px solid var(--color-accent);
    color: #fff;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 255, 170, 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast svg {
    color: var(--color-accent);
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .models-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}

@media (max-width: 968px) {
    section {
        padding: 64px 0;
    }
    .hero {
        padding-top: 120px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    .hero-content {
        align-items: center;
    }
    .hero-title {
        font-size: 2.75rem;
    }
    .hero-description {
        margin: 0 auto 32px auto;
    }
    .badge {
        align-self: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .interactive-action-box {
        grid-template-columns: 1fr;
        padding: 32px;
    }
    .key-generator-container {
        justify-self: center;
        margin: 0 auto;
    }
    .calculator-container {
        grid-template-columns: 1fr;
        padding: 32px;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
        gap: 32px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(3, 3, 8, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 48px 24px;
        gap: 24px;
        transform: translateX(100%);
        transition: var(--transition-smooth);
        border-top: 1px solid var(--border-glass);
    }
    .nav-menu.open {
        transform: translateX(0);
    }
    .nav-actions {
        display: none;
    }
    .models-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .models-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .models-grid {
        grid-template-columns: 1fr;
    }
    .form-group-row {
        grid-template-columns: 1fr;
    }
    .calculator-results {
        padding: 20px;
    }
    .result-value {
        font-size: 0.95rem;
    }
}