/* ============================================
   VendeeX 2.0 - Main Stylesheet
   ============================================ */

/* CSS Variables - VendeeX Brand Guidelines */
:root {
    /* Primary Brand Colors */
    --vendeex-blue: #215274;
    --vendeex-green: #2BB673;

    /* Secondary Brand Colors */
    --vendeex-teal: #2A6E91;
    --vendeex-light-green: #6ABD92;
    --vendeex-pale-cyan: #AFE3E0;
    --vendeex-pale-gray: #BFCFCE;
    --vendeex-dark: #333333;

    /* Mapped Colors for UI */
    --primary: #2BB673;
    --primary-dark: #229a5f;
    --primary-light: #6ABD92;
    --secondary: #215274;
    --secondary-light: #2A6E91;
    --accent: #AFE3E0;

    --success: #2BB673;
    --warning: #f59e0b;
    --error: #ef4444;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #BFCFCE;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #333333;
    --gray-900: #215274;

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

    /* Gradients - VendeeX Brand */
    --gradient-primary: linear-gradient(135deg, #2BB673 0%, #6ABD92 100%);
    --gradient-secondary: linear-gradient(135deg, #215274 0%, #2A6E91 100%);
    --gradient-brand: linear-gradient(135deg, #215274 0%, #2BB673 100%);
    --gradient-dark: linear-gradient(135deg, #215274 0%, #333333 100%);

    /* Typography - Avenir (with fallbacks) */
    --font-family: 'Avenir', 'Avenir Next', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Avenir', 'Avenir Next', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 100px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 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-glow: 0 0 40px rgba(43, 180, 115, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-img {
    height: 36px;
    width: auto;
}

.logo-version {
    color: var(--vendeex-green);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    background: rgba(43, 182, 115, 0.1);
    border-radius: var(--radius-sm);
}

.logo-symbol {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 800;
    font-size: 1.25rem;
}

.logo-text {
    display: flex;
    align-items: baseline;
    font-weight: 600;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

.logo-vendee {
    color: var(--vendeex-blue);
}

.logo-x {
    color: var(--vendeex-green);
}

.logo-text .version {
    color: var(--vendeex-green);
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: 4px;
    opacity: 0.8;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--gray-900);
    background: var(--gray-100);
}

.nav-btn {
    padding: 10px 20px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

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

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(43, 180, 115, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(43, 180, 115, 0.4);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(33, 82, 116, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(43, 180, 115, 0.05);
}

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

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

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

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 140px 0 80px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--vendeex-green);
    top: -200px;
    right: -100px;
    opacity: 0.2;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--vendeex-blue);
    bottom: -100px;
    left: -100px;
    opacity: 0.15;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--vendeex-pale-cyan);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(43, 180, 115, 0.1);
    border: 1px solid rgba(43, 180, 115, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--vendeex-green);
    margin-bottom: 24px;
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
}

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

/* Demo Preview Card */
.hero-visual {
    position: relative;
}

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

.preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.preview-dots {
    display: flex;
    gap: 6px;
}

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

.preview-dots span:first-child { background: #ef4444; }
.preview-dots span:nth-child(2) { background: #f59e0b; }
.preview-dots span:last-child { background: #10b981; }

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

.preview-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message {
    display: flex;
    gap: 12px;
}

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

.chat-message.user p {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    border-bottom-right-radius: 4px;
    max-width: 80%;
    font-size: 0.9375rem;
}

.chat-message.ai {
    align-items: flex-start;
}

.ai-avatar {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.ai-content {
    background: var(--gray-100);
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    border-bottom-left-radius: 4px;
    max-width: 85%;
}

.ai-content p {
    font-size: 0.9375rem;
    color: var(--gray-700);
    margin-bottom: 12px;
}

.search-animation {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8125rem;
    color: var(--primary);
}

.search-pulse {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
}

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

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

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

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================
   Process Section
   ============================================ */
.process {
    padding: var(--section-padding) 0;
}

.process-steps {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 32px;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    margin-bottom: 0;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 800;
    font-size: 1.25rem;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--gray-600);
}

.step-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon-box {
    width: 64px;
    height: 64px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-emoji {
    font-size: 2rem;
}

.process-connector {
    width: 2px;
    height: 32px;
    background: var(--gray-300);
    margin: 0 auto;
}

.process-cta {
    text-align: center;
    margin-top: 48px;
}

/* ============================================
   Social Proof Section
   ============================================ */
.social-proof {
    padding: 80px 0;
    background: var(--gray-50);
}

.proof-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.quote-icon {
    font-size: 5rem;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    opacity: 0.3;
}

blockquote {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--gray-800);
    line-height: 1.6;
    margin: -20px 0 32px;
}

.quote-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
}

.author-info {
    display: flex;
    flex-direction: column;
    text-align: left;
}

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

.author-title {
    font-size: 0.875rem;
    color: var(--gray-500);
}

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

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M54.627 0l.83.828-1.415 1.415L51.8 0h2.827zM5.373 0l-.83.828L5.96 2.243 8.2 0H5.374zM48.97 0l3.657 3.657-1.414 1.414L46.143 0h2.828zM11.03 0L7.372 3.657 8.787 5.07 13.857 0H11.03zm32.284 0L49.8 6.485 48.384 7.9l-7.9-7.9h2.83zM16.686 0L10.2 6.485 11.616 7.9l7.9-7.9h-2.83zM22.344 0L13.858 8.485 15.272 9.9l7.9-7.9h-.828zm5.656 0L19.515 8.485 17.343 10.657 28 0h-zM32.656 0L26.172 6.485 24 8.657 34.657 0h-2zM38.313 0L29.828 8.485 28.414 9.9l7.9-7.9h2zM0 5.373l.828-.83 1.415 1.415L0 8.2V5.374zm0 5.656l.828-.829 1.415 1.415L0 13.857v-2.83zm0 5.656l.828-.828 1.415 1.414L0 19.514v-2.83zm0 5.657l.828-.828 1.415 1.414L0 25.172v-2.83zM0 28l.828-.828 1.415 1.414L0 30.828V28zm0 5.657l.828-.828 1.415 1.414L0 36.485v-2.83z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

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

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand p {
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.footer-column a {
    display: block;
    padding: 8px 0;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    font-size: 0.875rem;
}

.demo-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 8px;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    font-size: 0.9375rem;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--white);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 6px;
}

.form-error {
    font-size: 0.8125rem;
    color: var(--error);
    margin-top: 6px;
}

/* ============================================
   Page Specific Styles
   ============================================ */

/* Auth Pages (Login/Register) */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 40px;
    background: var(--gray-50);
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--gray-600);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.auth-divider span {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
    font-size: 0.9375rem;
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
}

.social-btn {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition-fast);
    margin-bottom: 12px;
}

.social-btn:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
}

.social-btn svg {
    width: 20px;
    height: 20px;
}

/* Demo Page */
.demo-page {
    min-height: 100vh;
    padding-top: 72px;
}

.demo-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
}

.demo-header {
    text-align: center;
    margin-bottom: 40px;
}

.demo-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.demo-header p {
    color: var(--gray-600);
    font-size: 1.125rem;
}

/* Request Input */
.request-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    margin-bottom: 24px;
}

.request-card h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.request-card > p {
    color: var(--gray-600);
    margin-bottom: 24px;
}

.example-requests {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.example-requests h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.example-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.example-chip {
    padding: 8px 16px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.example-chip:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-color: var(--primary-light);
}

/* Search Progress */
.search-progress {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    display: none;
}

.search-progress.active {
    display: block;
}

.progress-animation {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    position: relative;
}

.progress-circle {
    width: 100%;
    height: 100%;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.progress-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
}

.search-progress h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.search-progress p {
    color: var(--gray-600);
    margin-bottom: 32px;
}

.progress-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 400px;
    margin: 0 auto;
    text-align: left;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    opacity: 0.5;
    transition: var(--transition-normal);
}

.progress-step.active {
    opacity: 1;
    background: rgba(99, 102, 241, 0.1);
}

.progress-step.completed {
    opacity: 1;
}

.progress-step.completed .step-icon {
    background: var(--success);
}

.step-icon {
    width: 24px;
    height: 24px;
    background: var(--gray-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.75rem;
}

.progress-step.active .step-icon {
    background: var(--primary);
    animation: pulse 1.5s ease-in-out infinite;
}

.step-text {
    font-weight: 500;
    color: var(--gray-700);
}

/* Results Page */
.results-section {
    display: none;
}

.results-section.active {
    display: block;
}

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

.results-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.results-count {
    color: var(--gray-500);
}

.results-grid {
    display: grid;
    gap: 24px;
}

.result-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    transition: var(--transition-normal);
}

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

.result-card.top-pick {
    border: 2px solid var(--primary);
    position: relative;
}

.top-pick-badge {
    position: absolute;
    top: -12px;
    left: 24px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-image {
    width: 200px;
    height: 200px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.result-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-placeholder {
    font-size: 4rem;
    color: var(--gray-400);
}

.result-content {
    display: flex;
    flex-direction: column;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.result-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.result-brand {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.result-price {
    text-align: right;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
}

.price-original {
    font-size: 0.875rem;
    color: var(--gray-400);
    text-decoration: line-through;
}

.result-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.stars {
    color: var(--accent);
    font-size: 0.875rem;
}

.rating-count {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.result-match {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 12px;
    width: fit-content;
}

.result-description {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 16px;
    flex-grow: 1;
}

.result-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.highlight-tag {
    padding: 4px 10px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--gray-600);
}

.highlight-tag.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.result-actions {
    display: flex;
    gap: 12px;
}

.result-actions .btn {
    flex: 1;
}

/* AI Analysis Box */
.ai-analysis {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-top: 24px;
    border: 1px solid var(--gray-200);
}

.ai-analysis-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.ai-analysis-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 0.875rem;
}

.ai-analysis-header h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-900);
}

.ai-analysis p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* New Search Button */
.new-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

/* How It Works Page */
.hiw-page {
    padding-top: 72px;
}

.hiw-hero {
    padding: 80px 0;
    text-align: center;
    background: var(--gray-50);
}

.hiw-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.hiw-hero p {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.hiw-section {
    padding: 80px 0;
}

.hiw-section:nth-child(even) {
    background: var(--gray-50);
}

.hiw-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hiw-content.reverse {
    direction: rtl;
}

.hiw-content.reverse > * {
    direction: ltr;
}

.hiw-text span {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.hiw-text h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.hiw-text p {
    color: var(--gray-600);
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.hiw-text ul {
    list-style: none;
}

.hiw-text ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--gray-700);
}

.hiw-text ul li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
}

.hiw-visual {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.hiw-visual-placeholder {
    height: 300px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

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

    .hero-content {
        max-width: 100%;
    }

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

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

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

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

    .hiw-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hiw-content.reverse {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 16px 24px;
        flex-direction: column;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

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

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

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .result-card {
        grid-template-columns: 1fr;
    }

    .result-image {
        width: 100%;
        height: 200px;
    }

    .auth-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 1rem;
    }

    .process-step {
        grid-template-columns: auto 1fr;
        gap: 16px;
    }

    .step-visual {
        display: none;
    }

    blockquote {
        font-size: 1.25rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .result-actions {
        flex-direction: column;
    }
}