/* ==========================================================================
   Klonyx Landing Page - Professional Styles
   ========================================================================== */

/* CSS Variables */
:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --primary-50: rgba(16, 185, 129, 0.1);
    --primary-100: rgba(16, 185, 129, 0.2);

    --secondary: #1e293b;
    --secondary-light: #334155;

    --dark: #0f172a;
    --dark-800: #1e293b;
    --dark-700: #334155;
    --dark-600: #475569;

    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;

    --white: #ffffff;
    --black: #000000;

    --red: #ef4444;
    --red-light: #fef2f2;

    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-800) 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(16, 185, 129, 0.3);

    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary-50);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-500);
    max-width: 700px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

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

.logo img {
    height: 36px;
}

.logo-dark {
    display: block;
}

.logo-light {
    display: none;
}

.navbar.scrolled .logo-dark {
    display: none;
}

.navbar.scrolled .logo-light {
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 15px;
}

.nav-links a:hover {
    color: var(--white);
}

.navbar.scrolled .nav-links a {
    color: var(--gray-600);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--primary);
}

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

.nav-actions .btn-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.nav-actions .btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.navbar.scrolled .nav-actions .btn-outline {
    color: var(--primary);
    border-color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.navbar.scrolled .mobile-menu-btn span {
    background: var(--dark);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.2);
    color: var(--primary-light);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.hero-badge i {
    color: #fbbf24;
}

.hero-title {
    font-size: clamp(36px, 5vw, 52px);
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    max-width: 540px;
    line-height: 1.7;
}

.hero-subtitle strong {
    color: var(--primary-light);
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

/* Hero Trust Items */
.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.trust-item i {
    color: var(--primary);
}

/* Hero Visual - Savings Card */
.hero-visual {
    position: relative;
}

.savings-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-xl);
}

.savings-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.savings-header i {
    color: var(--primary);
    font-size: 20px;
}

.savings-header span {
    font-weight: 600;
    color: var(--gray-600);
}

.savings-comparison {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.other-platforms,
.klonyx-price {
    text-align: center;
}

.other-platforms .label,
.klonyx-price .label {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.other-platforms .price {
    font-size: 28px;
    font-weight: 700;
    color: var(--red);
}

.price.strikethrough {
    text-decoration: line-through;
    opacity: 0.7;
}

.klonyx-price .price.highlight {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.klonyx-price .breakdown {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.vs-badge {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: 50%;
    font-weight: 700;
    color: var(--gray-500);
    font-size: 12px;
}

.savings-result {
    background: var(--primary-50);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.savings-amount {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}

.savings-percent {
    font-size: 14px;
    color: var(--primary-dark);
}

/* Floating Features */
.floating-feature {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 500;
    animation: float 3s ease-in-out infinite;
}

.floating-feature i {
    color: var(--primary);
    font-size: 18px;
}

.feature-1 {
    top: 10%;
    right: -20px;
    animation-delay: 0s;
}

.feature-2 {
    bottom: 20%;
    left: -30px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Problem Section */
.problem-section {
    padding: 100px 0;
}

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

.problem-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.problem-card:hover {
    border-color: var(--red);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.problem-icon.red {
    background: var(--red-light);
    color: var(--red);
}

.problem-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--gray-500);
    font-size: 15px;
    margin-bottom: 16px;
}

.problem-example {
    padding: 12px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
}

.example-label {
    display: block;
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.example-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--red);
}

/* Solution Section */
.solution-section {
    padding: 100px 0;
    background: var(--gray-100);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.solution-visual {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow);
}

.api-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.flow-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-bottom: 12px;
    font-size: 24px;
}

.flow-icon.user {
    background: var(--gray-200);
    color: var(--gray-600);
}

.flow-icon.klonyx {
    background: var(--primary-50);
    border: 2px solid var(--primary);
}

.flow-icon.klonyx img {
    width: 32px;
}

.flow-icon.openai {
    background: #10a37f20;
    color: #10a37f;
}

.flow-step span {
    font-weight: 600;
    font-size: 14px;
}

.flow-step small {
    color: var(--gray-500);
    font-size: 12px;
}

.flow-arrow {
    color: var(--gray-400);
    font-size: 20px;
}

.flow-explanation {
    padding: 16px;
    background: var(--primary-50);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.flow-explanation p {
    font-size: 14px;
    color: var(--gray-600);
    margin: 0;
}

.solution-benefits {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.benefit-card:hover {
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    color: var(--primary);
    font-size: 20px;
    border-radius: var(--radius);
    flex-shrink: 0;
}

.benefit-content h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.benefit-content p {
    color: var(--gray-500);
    font-size: 14px;
    margin: 0;
}

/* Comparison Section */
.comparison-section {
    padding: 100px 0;
    background: var(--dark);
}

.comparison-section .section-badge {
    background: rgba(16, 185, 129, 0.2);
}

.comparison-section .section-title {
    color: var(--white);
}

.comparison-section .section-subtitle {
    color: var(--gray-400);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 24px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--dark-800);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 20px 24px;
    text-align: left;
}

.comparison-table th {
    background: var(--dark-700);
    color: var(--gray-300);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-table th.competitor {
    color: var(--red);
}

.comparison-table th.klonyx {
    color: var(--primary);
}

.comparison-table th.savings {
    color: #fbbf24;
}

.comparison-table td {
    color: var(--gray-300);
    font-size: 15px;
    border-bottom: 1px solid var(--dark-700);
}

.comparison-table td.competitor {
    color: var(--red);
    font-weight: 600;
}

.comparison-table td.klonyx {
    color: var(--primary);
    font-weight: 600;
}

.comparison-table td.savings {
    color: #fbbf24;
    font-weight: 700;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table .total-row {
    background: var(--dark-700);
}

.comparison-table .total-row td {
    border-bottom: none;
}

.action-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.action-cell i {
    color: var(--gray-500);
}

.comparison-note {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    color: var(--gray-500);
    font-size: 14px;
}

.comparison-note i {
    color: var(--primary);
}

.comparison-note a {
    color: var(--primary);
    text-decoration: underline;
}

/* Providers Showcase */
.providers-showcase {
    margin-bottom: 0;
}

.providers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.provider-card {
    position: relative;
    padding: 32px 24px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.provider-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.provider-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), var(--shadow-md);
}

.provider-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--primary);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.provider-logo {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    background: var(--primary-50);
    color: var(--primary);
    font-size: 24px;
    border-radius: var(--radius);
}

.provider-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.provider-billing {
    display: inline-block;
    padding: 2px 12px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.provider-card > p {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.5;
}

.provider-strengths {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 16px;
}

.strength-tag {
    padding: 4px 10px;
    background: var(--primary-50);
    color: var(--primary-700, #047857);
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.provider-price {
    font-size: 13px;
    color: var(--gray-600);
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.provider-price strong {
    color: var(--gray-900);
}

.providers-note {
    text-align: center;
    font-size: 15px;
    color: var(--gray-600);
    padding: 20px;
    background: var(--gray-50, #f9fafb);
    border-radius: var(--radius);
    margin-top: 8px;
}

.providers-note i {
    color: var(--primary);
    margin-right: 4px;
}

/* Flagship Section */
.flagship-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: var(--white);
}

.flagship-section .section-badge {
    background: rgba(16, 185, 129, 0.15);
    color: var(--primary);
    border-color: rgba(16, 185, 129, 0.3);
}

.flagship-section .section-title {
    color: var(--white);
}

.flagship-section .section-subtitle {
    color: var(--gray-400);
}

.flagship-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.flagship-feature {
    padding: 28px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.flagship-feature:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: translateY(-4px);
}

.flagship-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.15);
    color: var(--primary);
    font-size: 20px;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.flagship-feature h3 {
    font-size: 17px;
    margin-bottom: 10px;
    color: var(--white);
}

.flagship-feature p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.6;
}

.flagship-competitors {
    text-align: center;
    padding: 32px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
}

.competitor-label {
    font-size: 14px;
    color: var(--gray-400);
    margin-bottom: 12px;
}

.competitor-logos {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.competitor-tag {
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--gray-300);
}

.competitor-diff {
    font-size: 15px;
    color: var(--gray-300);
}

.competitor-diff strong {
    color: var(--primary);
}

/* Tools Section */
.tools-section {
    padding: 100px 0;
}

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

.tool-card {
    position: relative;
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.tool-card.featured {
    background: var(--gradient-dark);
    border-color: var(--primary);
}

.tool-card.featured h3,
.tool-card.featured p {
    color: var(--white);
}

.tool-card.featured p {
    opacity: 0.8;
}

.tool-card.featured .tool-features li {
    color: var(--gray-300);
}

.tool-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    padding: 4px 12px;
    background: var(--primary);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.tool-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    color: var(--primary);
    font-size: 24px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.tool-card.featured .tool-icon {
    background: rgba(16, 185, 129, 0.2);
}

.tool-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.tool-card > p {
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 20px;
}

.tool-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tool-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-600);
}

.tool-features i {
    color: var(--primary);
    font-size: 12px;
}

/* Start Section (Steps) */
.start-section {
    padding: 100px 0;
    background: var(--gray-100);
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 16px;
}

.step-card {
    flex: 1;
    max-width: 240px;
    text-align: center;
    padding: 32px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
    border-radius: 50%;
}

.step-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.step-card p {
    color: var(--gray-500);
    font-size: 14px;
    margin: 0;
}

.step-connector {
    display: flex;
    align-items: center;
    padding-top: 40px;
    color: var(--gray-400);
}

/* Pricing Section */
.pricing-section {
    padding: 100px 0;
}

.pricing-grid-two {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto 48px;
}

.pricing-card {
    position: relative;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.pricing-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 20px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-card .pricing-header {
    margin-bottom: 24px;
}

.pricing-card .pricing-header h3 {
    font-size: 24px;
    margin-bottom: 4px;
}

.pricing-card .pricing-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 8px;
}

.pricing-price .currency {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.pricing-price .amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
}

.pricing-price .period {
    font-size: 18px;
    color: var(--gray-500);
    margin-left: 4px;
}

.pricing-tagline {
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 24px;
}

.pricing-card.featured .pricing-tagline {
    color: var(--primary);
    font-weight: 600;
}

.pricing-features-list {
    text-align: left;
    margin-bottom: 32px;
    padding: 24px 0;
    border-top: 1px solid var(--gray-200);
}

.pricing-features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--gray-600);
    padding: 8px 0;
}

.pricing-features-list li i {
    color: var(--primary);
    font-size: 14px;
}

.pricing-features-list li i.fa-star {
    color: #fbbf24;
}

/* Guarantee Banner */
.guarantee-banner {
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto 48px;
    padding: 24px 32px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-lg);
    border: 2px solid #fbbf24;
}

.guarantee-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fbbf24;
    color: var(--white);
    font-size: 24px;
    border-radius: 50%;
    flex-shrink: 0;
}

.guarantee-content h4 {
    font-size: 18px;
    color: #92400e;
    margin-bottom: 4px;
}

.guarantee-content p {
    color: #a16207;
    font-size: 14px;
    margin: 0;
}

/* OpenAI Note */
.openai-note {
    display: flex;
    gap: 20px;
    max-width: 700px;
    margin: 0 auto;
    padding: 24px;
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-100);
}

.note-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 20px;
    border-radius: 50%;
    flex-shrink: 0;
}

.note-content h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.note-content p {
    color: var(--gray-600);
    font-size: 14px;
    margin: 0;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--gray-100);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    text-align: left;
}

.faq-question i {
    transition: var(--transition);
    color: var(--gray-400);
}

.faq-item.active .faq-question {
    background: var(--primary-50);
    color: var(--primary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
}

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

.cta-content h2 {
    font-size: clamp(28px, 5vw, 40px);
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content > p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
    margin-bottom: 32px;
}

.cta-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 32px;
}

.cta-amount {
    font-size: 64px;
    font-weight: 800;
    color: var(--white);
}

.cta-period {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.8);
}

.cta-note {
    display: block;
    width: 100%;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

/* Footer */
.footer {
    padding: 80px 0 32px;
    background: var(--dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    height: 32px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 14px;
    margin-bottom: 24px;
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-800);
    color: var(--gray-400);
    border-radius: var(--radius);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-links h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: var(--gray-400);
    font-size: 14px;
    margin-bottom: 12px;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--dark-800);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 14px;
}

.footer-domain {
    color: var(--primary) !important;
    font-weight: 600;
    margin-top: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 2;
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-subtitle {
        margin: 0 auto 32px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
    }

    .problems-grid,
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .flagship-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .providers-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .solution-content {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        transform: rotate(90deg);
        padding: 0;
    }

    .step-card {
        max-width: 100%;
        width: 100%;
    }

    .pricing-grid-two {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .pricing-card.featured {
        transform: none;
        order: -1;
    }

    .guarantee-banner {
        flex-direction: column;
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .floating-feature {
        display: none;
    }

    .flagship-grid {
        grid-template-columns: 1fr;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .providers-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 24px;
    }

    .api-flow {
        flex-direction: column;
        gap: 16px;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 16px;
        font-size: 13px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-social {
        justify-content: center;
    }

    .openai-note {
        flex-direction: column;
        text-align: center;
    }

    .note-icon {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .savings-comparison {
        flex-direction: column;
        gap: 16px;
    }

    .vs-badge {
        margin: 8px 0;
    }

    .pricing-card-main {
        padding: 32px 24px;
    }

    .pricing-price .amount {
        font-size: 56px;
    }

    .cta-amount {
        font-size: 48px;
    }
}