/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6c3ce0;
    --primary-dark: #5228c0;
    --primary-light: #a78bfa;
    --accent: #06d6a0;
    --dark: #0f0f1a;
    --dark-2: #1a1a2e;
    --dark-3: #25253d;
    --gray: #9ca3af;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary), var(--accent));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul { list-style: none; }

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 60, 224, 0.4);
}

.btn-outline {
    border: 2px solid var(--primary-light);
    color: var(--primary-light);
    background: transparent;
}

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

.btn-nav {
    padding: 8px 22px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 6px;
}

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

.btn-full {
    width: 100%;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 60, 224, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(6, 214, 160, 0.1) 0%, transparent 50%);
}

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

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
}

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

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray);
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--dark-2);
}

.section-title {
    text-align: center;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 60px;
}

/* ===== Services Grid ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    background: var(--dark-2);
    border: 1px solid var(--dark-3);
    border-radius: 16px;
    padding: 36px 28px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: 0 12px 40px rgba(108, 60, 224, 0.15);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== About Grid ===== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.about-item {
    position: relative;
}

.about-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.4;
    margin-bottom: 8px;
}

.about-item h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

/* ===== Tech Grid ===== */
.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.tech-item {
    padding: 12px 28px;
    background: var(--dark-2);
    border: 1px solid var(--dark-3);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.tech-item:hover {
    border-color: var(--primary);
    background: var(--dark-3);
    transform: translateY(-2px);
}

/* ===== CTA Section ===== */
.cta-section {
    background: var(--gradient);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

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

.cta-section .btn-primary:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: start;
}

.contact-form .form-group {
    margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--dark-3);
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--light);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
    outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--gray);
}

.contact-form textarea {
    resize: vertical;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding-top: 10px;
}

.contact-item strong {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-light);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--gray);
    font-size: 1rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    border-top: 1px solid var(--dark-3);
    padding-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand p {
    color: var(--gray);
    margin-top: 12px;
    font-size: 0.95rem;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--gray);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--gray);
    font-size: 0.9rem;
    padding: 4px 0;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--dark-3);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray);
    font-size: 0.85rem;
}

/* ===== Platforms Page ===== */
.platforms-header {
    position: relative;
    padding: 160px 0 80px;
    overflow: hidden;
}

.platforms-header-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 60, 224, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(6, 214, 160, 0.1) 0%, transparent 50%);
}

.platforms-header-content {
    position: relative;
    text-align: center;
}

.platforms-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.platforms-header p {
    color: var(--gray);
    font-size: 1.15rem;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.platform-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--dark-2);
    border: 1px solid var(--dark-3);
    border-radius: 16px;
    padding: 28px 32px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.platform-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 12px 40px rgba(108, 60, 224, 0.15);
}

.platform-card:hover .platform-arrow {
    transform: translateX(4px);
    color: var(--accent);
}

.platform-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-3);
    border-radius: 12px;
}

.platform-info {
    flex: 1;
}

.platform-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.platform-info p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

.platform-arrow {
    font-size: 1.4rem;
    color: var(--gray);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.nav-active {
    color: var(--primary-light) !important;
}

@media (max-width: 768px) {
    .platforms-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Privacy Page ===== */
.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-block {
    margin-bottom: 40px;
}

.privacy-block h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
}

.privacy-block p {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 8px;
}

.privacy-block ul {
    list-style: disc;
    padding-left: 24px;
    margin-top: 8px;
}

.privacy-block ul li {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.8;
    padding: 2px 0;
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--dark-2);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.4);
    }

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

    .nav-links a {
        font-size: 1.1rem;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section {
        padding: 70px 0;
    }
}