:root {
    --bg-color: #0c0c0c;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent-1: #e5e7eb;
    --accent-2: #9ca3af;
    --accent-3: #d1d5db;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Background Mesh Effects */
.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at top right, #1a1a1a 0%, #0c0c0c 100%);
}

.mesh-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite alternate ease-in-out;
}

.mesh-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, rgba(0, 0, 0, 0) 70%);
    animation-delay: 0s;
}

.mesh-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(148, 163, 184, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
    animation-delay: -5s;
}

.mesh-3 {
    top: 40%;
    left: 50%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(226, 232, 240, 0.05) 0%, rgba(0, 0, 0, 0) 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(5%, 5%) scale(1.1);
    }

    100% {
        transform: translate(-5%, -5%) scale(0.9);
    }
}

/* Typography */
h1,
h2,
h3,
h4,
h5 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-light {
    color: var(--text-secondary);
    font-weight: 400;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: 1fr 1fr;
}

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

.center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
}

.inner-glass {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-md {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: 12px;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
    border-radius: 14px;
}

.btn-primary {
    background: #e5e7eb;
    color: #111827;
    border: none;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #ffffff;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.15);
}

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

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(5, 5, 10, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.logo i {
    color: var(--accent-1);
}

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

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.badge-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    border-color: rgba(255, 255, 255, 0.15);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.author-info {
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
}

.author-info strong {
    color: var(--text-primary);
}

.author-title {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.hero-quote {
    padding: 2rem;
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-secondary);
    border-left: 4px solid var(--accent-1);
    position: relative;
    text-align: left;
    max-width: 700px;
    margin: 0 auto;
}

.hero-quote::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 4rem;
    font-family: Georgia, serif;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
}

/* Sections */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Cards */
.card {
    padding: 2.5rem;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    margin-top: 1.5rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.feature-list i {
    color: #ef4444;
    /* red-ish for problem */
    width: 20px;
    height: 20px;
}

/* Solution Box */
.solution-boxes {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.solution-box {
    padding: 1.5rem;
}

.solution-box h4 {
    color: var(--accent-2);
    margin-bottom: 0.5rem;
}

.solution-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Architecture Section */
.architecture-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.arch-step {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: calc(50% - 0.5rem);
    flex: 1;
}

.arch-step:last-child {
    min-width: 100%;
    justify-content: center;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.step-num {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.1);
}

.arch-step h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Checklist */
.check-list {
    list-style: none;
    margin-top: 2rem;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
}

.check-list i {
    color: var(--accent-3);
    flex-shrink: 0;
    margin-top: 3px;
}

/* Why Matters */
.why-matters {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.why-matters p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.why-matters p:last-child {
    margin-bottom: 0;
}

/* CTA Box */
.cta-box {
    padding: 4rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-icon {
    width: 64px;
    height: 64px;
    color: var(--accent-2);
    margin-bottom: 1.5rem;
}

.cta-box p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Footer */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
    background: rgba(0, 0, 0, 0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.footer-info h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.footer-info p {
    color: var(--text-secondary);
}

.footer-contact h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-contact p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 2rem;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }
}

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

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

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

    .arch-step {
        min-width: 100%;
    }

    .cta-box {
        padding: 2.5rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}