/* CSS Reset & Variables */
:root {
    --bg-dark: #050507;
    --bg-lighter: #0a0b10;
    --text-main: #f0f0f5;
    --text-muted: #8b8e98;
    --accent: #ffffff;
    --grid-color: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.1);
    
    --font-heading: 'Syne', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

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

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

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

/* Background Effects */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -2;
    pointer-events: none;
}

.glow {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 60%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

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

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    text-transform: uppercase;
}

h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

p {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 65ch;
    margin-bottom: 1.5rem;
}

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

/* Layout */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
    position: relative;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 0;
    z-index: 100;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    padding: 1rem 0;
    background: rgba(5, 5, 7, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

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

.site-logo {
    width: 195px;
    height: auto;
    display: block;
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: var(--transition);
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color) 50%, transparent);
}

.hero-content {
    max-width: 800px;
}

.hero-subtitle {
    display: block;
    font-family: var(--font-heading);
    color: var(--text-muted);
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    position: relative;
    padding-left: 3rem;
}

.hero-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 2rem;
    height: 1px;
    background: var(--accent);
}

.hero p {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2.5rem;
    background: var(--accent);
    color: var(--bg-dark);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid var(--accent);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
    z-index: -1;
}

.btn:hover {
    color: var(--accent);
}

.btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-outline {
    background: transparent;
    color: var(--accent);
}
.btn-outline::before {
    background: var(--accent);
}
.btn-outline:hover {
    color: var(--bg-dark);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
}

.service-card {
    background: var(--bg-dark);
    padding: 4rem 3rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.05), transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover::before {
    opacity: 1;
}

.service-number {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    display: block;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-card p {
    font-size: 1rem;
    margin: 0;
}

/* Partners */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    align-items: center;
    opacity: 0.6;
}

.partner-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.partner-logo:hover {
    color: var(--accent);
}

/* Stats / Experience */
.stats-container {
    display: flex;
    gap: 4rem;
    flex-wrap: wrap;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 4rem 0;
}

.stat-item h4 {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-item span {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    background: var(--bg-lighter);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h5 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-col p, .footer-col a {
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Animations - Intersection Observer */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding-top: 8rem;
    }
    
    .stats-container {
        flex-direction: column;
        gap: 2rem;
    }
    .site-logo {
        width: 130px;
        height: auto;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .site-logo {
        width: 155px;
    }
}