:root {
    --bg-dark: #07070a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);

    --accent-primary: #4f46e5;
    --accent-secondary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);

    --text-main: #f8fafc;
    --text-muted: #94a3b8;

    --font-main: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    position: relative;
}

/* Typography */
h1,
h2,
h3,
.logo {
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

p {
    line-height: 1.6;
    color: var(--text-muted);
}

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

/* Utilities */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
    transform: translateY(-2px);
}

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 24px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(7, 7, 10, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 5%;
}

.logo {
    font-size: 2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-links li a:not(.btn) {
    font-weight: 600;
    opacity: 0.8;
}

.nav-links li a:not(.btn):hover {
    opacity: 1;
    color: var(--accent-secondary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 32px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 850px;
    z-index: 10;
}

.hero h1 {
    font-size: clamp(3.5rem, 7vw, 6rem);
    margin-bottom: 24px;
}

.hero h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    max-width: 650px;
    margin-bottom: 45px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-graphics {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.glow {
    position: absolute;
    filter: blur(140px);
    opacity: 0.45;
    border-radius: 50%;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -100px;
    right: -100px;
}

.glow-2 {
    width: 450px;
    height: 450px;
    background: var(--accent-secondary);
    bottom: 5%;
    right: 25%;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, transparent 30%, var(--bg-dark) 70%), repeating-linear-gradient(45deg, var(--border-color) 0, var(--border-color) 1px, transparent 1px, transparent 24px);
    border-radius: 50%;
    z-index: 1;
    opacity: 0.25;
}

/* Services */
.services {
    padding: 120px 5%;
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 3.5rem;
    margin-bottom: 15px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 45px 35px;
    border-radius: 24px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.service-card:hover {
    transform: translateY(-12px);
    border-color: rgba(6, 182, 212, 0.5);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
}

/* About Section */
.about {
    padding: 120px 5%;
    background: linear-gradient(180deg, transparent, rgba(79, 70, 229, 0.03), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about h2 {
    font-size: 3.5rem;
    margin-bottom: 25px;
}

.about-text p {
    font-size: 1.15rem;
    margin-bottom: 20px;
}

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

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-secondary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-image {
    position: relative;
    width: 100%;
}

.image-placeholder {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.image-placeholder p {
    font-size: 1.5rem;
    font-weight: 600;
    z-index: 2;
    color: white;
}

.glow-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-primary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
}

/* Why Choose Us */
.why-us {
    padding: 120px 5%;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.feature-box:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(79, 70, 229, 0.4);
    transform: translateY(-5px);
}

.feature-box h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

/* Contact Section */
.contact-section {
    padding: 120px 5% 40px;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 32px;
    padding: 60px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.contact-info h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 40px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.contact-details p {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

/* Contact Form */
.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group:nth-child(3),
.form-group:nth-child(4),
.captcha-group {
    grid-column: 1 / -1;
}

label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
}

input,
select,
textarea {
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.4);
}

select option {
    background-color: var(--bg-dark);
}

.captcha-group {
    background: rgba(255, 255, 255, 0.02);
    padding: 15px;
    border-radius: 12px;
    border: 1px dashed var(--border-color);
    margin-bottom: 10px;
}

.captcha-error {
    color: #ef4444;
    font-size: 0.9rem;
    display: none;
}

.btn-submit {
    grid-column: 1 / -1;
    width: 100%;
    padding: 18px;
    font-size: 1.1rem;
    margin-top: 10px;
}

.form-success {
    grid-column: 1 / -1;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 15px;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    display: none;
}

/* Animations & Interactions */
.animation-target {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.animation-target.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
/* Responsive */
@media (max-width: 900px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        background: rgba(7, 7, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        transition: right 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .nav-links li a:not(.btn) {
        font-size: 1.5rem;
    }

    .hero::after {
        display: none;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-btns {
        flex-direction: column;
        width: 100%;
    }

    .hero-btns .btn {
        width: 100%;
        text-align: center;
    }

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

    .image-placeholder {
        height: 350px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        padding: 40px 20px;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }
}