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

:root {
    /* Colors */
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #8b5cf6;
    --secondary: #ec4899;
    --secondary-dark: #db2777;
    --accent: #f59e0b;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;

    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --black: #000000;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary:
        "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, sans-serif;
    --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
    --font-mono: "Monaco", "Courier New", Courier, monospace;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md:
        0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg:
        0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl:
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Improved text selection */
::selection {
    background-color: var(--primary-light);
    color: var(--white);
}

::-moz-selection {
    background-color: var(--primary-light);
    color: var(--white);
}

/* Smooth scroll padding for fixed header */
html {
    scroll-padding-top: 80px;
}

/* Focus visible improvements */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

/* Remove default focus styles and rely on :focus-visible */
:focus:not(:focus-visible) {
    outline: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

/* Utility classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

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

.flex {
    display: flex;
}
.flex-col {
    flex-direction: column;
}
.items-center {
    align-items: center;
}
.justify-center {
    justify-content: center;
}
.justify-between {
    justify-content: space-between;
}
.gap-sm {
    gap: var(--spacing-sm);
}
.gap-md {
    gap: var(--spacing-md);
}
.gap-lg {
    gap: var(--spacing-lg);
}

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-base);
    will-change: transform, box-shadow;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    min-height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition-base);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--primary);
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    gap: var(--spacing-sm);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-900);
    transition: var(--transition-base);
    border-radius: 2px;
}

/* ========== Buttons ========== */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: var(--gray-200);
    transform: translateY(-1px);
}

.btn-outline {
    border: 2px solid var(--gray-300);
    color: var(--gray-700);
    background: white;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--gray-50);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    padding: 8rem 0 6rem;
    overflow: hidden;
    background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background:
        radial-gradient(
            circle at 80% 20%,
            rgba(124, 58, 237, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 60% 80%,
            rgba(236, 72, 153, 0.1) 0%,
            transparent 50%
        );
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    background: linear-gradient(
        135deg,
        rgba(124, 58, 237, 0.1) 0%,
        rgba(236, 72, 153, 0.1) 100%
    );
    color: var(--primary);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ========== Chat Demo ========== */
.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.chat-demo {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    color: white;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.chat-info {
    flex: 1;
}

.chat-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    opacity: 0.9;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.chat-messages {
    padding: var(--spacing-md);
    background: var(--gray-50);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.message {
    display: flex;
    animation: slideIn 0.3s ease-out;
}

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

.user-message {
    justify-content: flex-end;
}

.bot-message {
    justify-content: flex-start;
}

.message-bubble {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.user-message .message-bubble {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    color: white;
    border-bottom-right-radius: 0.25rem;
}

.bot-message .message-bubble {
    background: white;
    color: var(--gray-800);
    border: 1px solid var(--gray-200);
    border-bottom-left-radius: 0.25rem;
}

.typing .message-bubble {
    display: flex;
    gap: 0.25rem;
    padding: 1rem;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-400);
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%,
    60%,
    100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: white;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid var(--gray-200);
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    right: -15%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 30%;
    right: -20%;
    animation-delay: 1s;
}

.card-3 {
    top: 50%;
    left: -15%;
    animation-delay: 2s;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.card-icon {
    font-size: 1.25rem;
}

/* ========== Section Styles ========== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-flex;
    padding: 0.375rem 0.875rem;
    background: linear-gradient(
        135deg,
        rgba(124, 58, 237, 0.1) 0%,
        rgba(236, 72, 153, 0.1) 100%
    );
    color: var(--primary);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.75rem;
    line-height: 1.2;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-600);
}

/* ========== Features ========== */
.features {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    background: white;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: linear-gradient(
        135deg,
        rgba(124, 58, 237, 0.1) 0%,
        rgba(236, 72, 153, 0.1) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ========== How It Works ========== */
.how-it-works {
    background: linear-gradient(180deg, var(--gray-50) 0%, white 100%);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-xl);
    align-items: center;
}

.step:nth-child(even) {
    direction: rtl;
}

.step:nth-child(even) > * {
    direction: ltr;
}

.step-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    opacity: 0.3;
}

.step-content {
    max-width: 400px;
}

.step-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.7;
}

.step-visual {
    width: 300px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-card {
    width: 100%;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.visual-header {
    display: flex;
    gap: 0.375rem;
    margin-bottom: var(--spacing-md);
}

.visual-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.visual-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.visual-line {
    height: 12px;
    background: linear-gradient(
        90deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    border-radius: var(--radius-sm);
    animation: grow 1.5s ease-out infinite;
}

@keyframes grow {
    0%,
    100% {
        opacity: 0.3;
        transform: scaleX(0.8);
    }
    50% {
        opacity: 1;
        transform: scaleX(1);
    }
}

.code-snippet {
    width: 100%;
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.code-header {
    padding: 0.75rem var(--spacing-md);
    background: var(--gray-800);
    color: var(--gray-400);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.code-snippet pre {
    padding: var(--spacing-md);
    margin: 0;
    overflow-x: auto;
}

.code-snippet code {
    color: #10b981;
    font-family: "Monaco", "Courier New", monospace;
    font-size: 0.875rem;
    line-height: 1.7;
}

.analytics-preview {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.analytics-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat-bar {
    height: 24px;
    background: linear-gradient(
        90deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    border-radius: var(--radius-sm);
    animation: expandBar 1.5s ease-out infinite;
}

@keyframes expandBar {
    0% {
        transform: scaleX(0);
        transform-origin: left;
    }
    50%,
    100% {
        transform: scaleX(1);
    }
}

.analytics-stat span {
    font-weight: 700;
    color: var(--gray-700);
    min-width: 40px;
}

/* ========== Benefits ========== */
.benefits {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    color: white;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.benefits-text .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.benefits-text .section-title {
    color: white;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
}

.benefit-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-text h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.375rem;
}

.benefit-text p {
    opacity: 0.9;
    line-height: 1.7;
}

.benefits-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.metric-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.2);
}

.metric-card:first-child {
    grid-column: 1 / -1;
}

.metric-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.375rem;
}

.metric-label {
    font-size: 0.9375rem;
    opacity: 0.9;
}

/* ========== Testimonials ========== */
.testimonials {
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.testimonial-rating {
    color: var(--accent);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.125rem;
}

.testimonial-text {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.author-name {
    font-weight: 600;
    color: var(--gray-900);
}

.author-title {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ========== Pricing ========== */
.pricing {
    background: linear-gradient(180deg, var(--gray-50) 0%, white 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

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

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-600);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    color: var(--gray-600);
    margin-left: 0.25rem;
}

.pricing-description {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--gray-700);
    font-size: 0.9375rem;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.pricing-features li::before {
    content: "✓";
    color: var(--primary);
    font-weight: 700;
}

/* ========== FAQ Section ========== */
.faq {
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--primary);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition:
        max-height 0.3s ease,
        padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-md);
}

.faq-answer p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* ========== Newsletter ========== */
.newsletter-signup {
    margin-top: var(--spacing-lg);
}

.newsletter-signup h4 {
    color: white;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 0.625rem 1rem;
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-lg);
    background: var(--gray-800);
    color: white;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--gray-700);
}

.newsletter-form input:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.newsletter-form button {
    padding: 0.625rem 1.25rem;
    white-space: nowrap;
}

/* ========== Scroll to Top Button ========== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.scroll-to-top:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

/* ========== Focus Visible Improvements ========== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-outline:focus-visible,
.btn-outline-light:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

/* ========== Loading State ========== */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========== Skeleton Loading ========== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ========== Smooth Scrolling Enhancement ========== */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========== CTA ========== */
.cta {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.cta-note {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ========== Footer ========== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-800);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    line-height: 1.7;
    font-size: 0.9375rem;
}

.footer-column h4 {
    color: white;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.75rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

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

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

    .step:nth-child(even) {
        direction: ltr;
    }

    .step-content,
    .step-visual {
        max-width: 100%;
        width: 100%;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

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

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

    .hero {
        padding: 5rem 0 3rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

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

    .benefits-visual {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

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

    .floating-card {
        display: none;
    }

    .cta-title {
        font-size: 2rem;
    }

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

    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
    }

    .faq-question {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .faq-answer {
        font-size: 0.875rem;
    }

    .faq-item.active .faq-answer {
        padding: 0 var(--spacing-md) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 0.9375rem;
    }

    .newsletter-form button {
        width: 100%;
    }
}

/* ========== Print Styles ========== */
@media print {
    .navbar,
    .scroll-to-top,
    .hero-visual,
    .floating-card,
    .cta,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }

    a {
        text-decoration: underline;
    }
}

/* ========== Additional Utility Classes ========== */
.animate-fade-in {
    animation: fadeIn 0.5s ease-in;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Hover effect for cards */
.card-hover {
    transition: var(--transition-base);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Blur backdrop */
.backdrop-blur {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Smooth transitions for all interactive elements */
a,
button,
input,
textarea,
select {
    transition: var(--transition-base);
}

/* Improve form inputs */
input:not([type="checkbox"]):not([type="radio"]),
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

/* Better focus states for form elements */
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Loading spinner */
.spinner {
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Pulse animation for alerts */
@keyframes pulse-slow {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse-slow 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Shimmer effect for loading states */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        var(--gray-100) 25%,
        var(--gray-200) 50%,
        var(--gray-100) 75%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Prevent layout shift */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Better tap targets for mobile */
@media (max-width: 768px) {
    button,
    a,
    input[type="button"],
    input[type="submit"] {
        min-height: 44px;
        min-width: 44px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-600: #4b5563;
        --gray-700: #374151;
    }

    .btn-outline {
        border-width: 3px;
    }
}

/* Reduce transparency in low-end devices */
@media (prefers-reduced-transparency: reduce) {
    * {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }
}

/* Dark mode support (optional - uncomment to enable) */
@media (prefers-color-scheme: dark) {
    /*
    :root {
        --gray-50: #1F2937;
        --gray-100: #374151;
        --gray-200: #4B5563;
        --gray-800: #F9FAFB;
        --gray-900: #FFFFFF;
    }

    body {
        background: #111827;
        color: #F9FAFB;
    }
    */
}

/* ========== Contact Section ========== */
.contact-section {
    padding: 5rem 0;
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin: 3rem 0;
}

.contact-methods {
    display: grid;
    gap: 2rem;
}

.contact-method {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.contact-method:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1rem;
}

.contact-method h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 0.5rem 0;
}

.contact-method p {
    color: var(--gray-600);
    margin: 0 0 1rem 0;
    line-height: 1.6;
}

.contact-availability,
.contact-address {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

.contact-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
}

.contact-link:hover {
    color: var(--primary-dark);
}

.contact-form-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 1.5rem 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-base);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-note {
    margin: 1rem 0 0 0;
    font-size: 0.875rem;
    color: var(--gray-500);
    text-align: center;
}

.support-resources {
    background: white;
    border-radius: var(--radius-lg);
    padding: 3rem;
    margin-top: 4rem;
    text-align: center;
    border: 1px solid var(--gray-200);
}

.support-resources h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 2rem 0;
}

.resource-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.resource-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
}

.resource-link:hover {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.resource-link svg {
    flex-shrink: 0;
}

/* Mobile responsiveness for contact section */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-container {
        padding: 1.5rem;
    }

    .support-resources {
        padding: 2rem;
    }

    .resource-links {
        grid-template-columns: 1fr;
    }
}

/* ========== Footer ========== */