@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');
@import 'variables.css';

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: clamp(3rem, 5vw, 5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    max-width: 65ch;
    margin-bottom: var(--space-sm);
}

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

a:hover {
    color: var(--color-accent);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--space-xl) 0;
    position: relative;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg);
    box-shadow: var(--glow-accent);
}

.btn-primary:hover {
    background-color: #00e65c;
    color: var(--color-bg);
    box-shadow: var(--glow-accent-hover);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: inset 0 0 10px rgba(0, 255, 102, 0.1);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-md) 0;
    z-index: 1000;
    transition: var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    padding: var(--space-sm) 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: inline-block;
    box-shadow: var(--glow-accent);
}

.nav-links {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
}

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

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-bg-card);
    min-width: 260px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.5rem 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    text-transform: none;
    font-weight: 500;
}

.dropdown-content a::after {
    display: none;
}

.dropdown-content a:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Bento Grid System */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-md);
}

.bento-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--space-md);
    transition: var(--transition-normal);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
}

.bento-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.span-4,
.bento-card.span-4 {
    grid-column: span 4;
}

.span-6,
.bento-card.span-6 {
    grid-column: span 6;
}

.span-8,
.bento-card.span-8 {
    grid-column: span 8;
}

.span-12,
.bento-card.span-12 {
    grid-column: span 12;
}

/* Specific styling for images within the bento grids */
.bento-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 400px;
    display: block;
}

.methodology-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

/* Abstract Backgrounds */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 102, 0.1) 0%, rgba(10, 10, 10, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    filter: blur(60px);
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {

    .span-4,
    .bento-card.span-4,
    .span-6,
    .bento-card.span-6,
    .span-8,
    .bento-card.span-8 {
        grid-column: span 12;
    }

    .bento-grid img {
        min-height: 250px;
    }

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

@media (max-width: 768px) {
    :root {
        --space-xl: 4rem;
        --space-md: 1.5rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: var(--space-xl);
        z-index: 999;
    }

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

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

    .menu-toggle {
        display: block;
        z-index: 1001;
    }

    .logo {
        position: relative;
        z-index: 1001;
    }

    .nav-links a {
        font-size: 1.25rem;
        padding: 0.5rem;
    }

    .dropdown {
        width: 100%;
        text-align: center;
    }

    .dropdown-content {
        position: static;
        box-shadow: none;
        border: none;
        background: transparent;
        display: none;
        margin-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .dropdown.active .dropdown-content {
        display: block;
    }

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