/* Base Styles */
:root {
    --bg-dark: #0a0a0f;
    --bg-card: #111118;
    --bg-glass: rgba(26, 26, 46, 0.7);
    --primary: #3b82f6;
    --primary-hover: #1d4ed8;
    --accent: #60a5fa;
    --text-white: #ffffff;
    --text-gray: #a0aec0;
    --border: rgba(255, 255, 255, 0.1);
    --container-width: 1200px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 8rem 0;
}

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

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-white);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-white);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.full {
    width: 100%;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--text-white);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 12rem 0 6rem;
    background: radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.1), transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 1rem;
}

/* Mockup styles */
.dashboard-mockup {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.mockup-header {
    background: #1a1a25;
    padding: 0.75rem 1rem;
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.mockup-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    max-width: 85%;
    padding: 0.8rem 1rem;
    border-radius: 0.8rem;
    font-size: 0.9rem;
}

.chat-message.bot {
    background: rgba(255, 255, 255, 0.05);
    align-self: flex-start;
    border-bottom-left-radius: 0;
}

.chat-message.ai {
    background: var(--primary);
    align-self: flex-end;
    border-bottom-right-radius: 0;
}

/* Problem Section */
.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.problem-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-5px);
}

.problem-card .icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    display: block;
}

.problem-card h3 {
    margin-bottom: 1rem;
}

.problem-card p {
    color: var(--text-gray);
}

/* Solution Section */
.solution-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.solution-list {
    margin: 2rem 0 3rem;
}

.solution-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.solution-list li span {
    color: var(--accent);
    font-weight: 800;
}

.solution-visual {
    position: relative;
}

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    padding: 3rem;
    border-radius: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

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

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-gray);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* How It Works */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    position: relative;
}

.step {
    position: relative;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 1rem;
    border: 1px solid var(--border);
}

.step-num {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(59, 130, 246, 0.1);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.step h3 {
    font-size: 1.25rem;
    margin-top: 1rem;
}

.step p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-card:hover {
    background: #15151e;
    border-color: var(--primary);
}

.f-icon {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Use Case Section */
.use-case-card {
    background: linear-gradient(135deg, #111118 0%, #1a1a2e 100%);
    padding: 4rem;
    border-radius: 2rem;
    border: 1px solid var(--border);
}

.conversation-log {
    background: rgba(0, 0, 0, 0.2);
    padding: 2rem;
    border-radius: 1rem;
    margin: 2rem 0;
    border-left: 4px solid var(--primary);
}

.log-entry {
    margin-bottom: 1rem;
}

.ai-entry {
    color: var(--accent);
}

.summary-box {
    background: rgba(59, 130, 246, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.summary-box h4 {
    margin-bottom: 1rem;
    color: var(--accent);
}

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

.price-card {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
    position: relative;
    transition: var(--transition);
}

.price-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    z-index: 2;
    background: #151525;
}

.popular {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    padding: 0.4rem 1.2rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.p-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    margin: 1rem 0 0.5rem;
}

.price span {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 400;
}

.setup {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.p-features {
    margin-bottom: 2.5rem;
}

.p-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-gray);
}

.p-features li::before {
    content: "→";
    margin-right: 0.75rem;
    color: var(--primary);
}

/* CTA Section */
.cta-card {
    background: var(--primary);
    padding: 5rem;
    border-radius: 2.5rem;
    color: white;
}

.cta-card h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-card p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

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

.cta-card .btn-primary:hover {
    background-color: #f8fafc;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: flex-start;
}

.contact-info h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.c-item {
    font-size: 1.1rem;
}

.glass-form {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
}

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

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-gray);
}

input, select, textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: white;
    font-family: inherit;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

select option {
    color: #111;
    background: #fff;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding-bottom: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 4rem;
    margin-bottom: 4rem;
}

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

.footer-brand p {
    color: var(--text-gray);
    margin-top: 1rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.link-group h4 {
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.link-group a {
    display: block;
    color: var(--text-gray);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.link-group a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    color: var(--text-gray);
    font-size: 0.85rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.5rem; }
    .hero .container, .solution-wrapper, .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .hero-content { text-align: center; }
    .hero-btns { justify-content: center; }
    .hero p { margin-left: auto; margin-right: auto; }
    .price-card.featured { transform: scale(1); }
}

@media (max-width: 768px) {
    .section-padding { padding: 5rem 0; }
    .hero h1 { font-size: 2.75rem; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
    .footer-content { flex-direction: column; gap: 2rem; }
    .footer-links { gap: 2rem; }
    .form-row { grid-template-columns: 1fr; }
    .cta-card { padding: 3rem 1.5rem; }
    .cta-card h2 { font-size: 2.25rem; }
}