/* ===== CSS Variables & Reset ===== */
:root {
    --primary: #6C3CE1;
    --primary-dark: #5228B5;
    --secondary: #00D4AA;
    --accent: #FF6B6B;
    --dark: #0F0F1A;
    --darker: #0A0A14;
    --gray-900: #1A1A2E;
    --gray-800: #252540;
    --gray-700: #3A3A5C;
    --gray-600: #6B6B8D;
    --gray-400: #A0A0B8;
    --gray-200: #D0D0E0;
    --gray-100: #E8E8F0;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #6C3CE1, #00D4AA);
    --gradient-cta: linear-gradient(135deg, #6C3CE1, #FF6B6B);
    --shadow: 0 8px 32px rgba(108, 60, 225, 0.15);
    --shadow-lg: 0 16px 48px rgba(108, 60, 225, 0.25);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--dark);
    color: var(--gray-200);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(108, 60, 225, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 60, 225, 0.6);
}

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

.btn-outline:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--dark);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.4);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    padding: 12px 0;
}

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

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo span {
    color: var(--white);
    -webkit-text-fill-color: var(--white);
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-400);
    transition: var(--transition);
    position: relative;
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
}

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

.nav-cta {
    padding: 10px 24px;
    font-size: 0.9rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.hamburger span {
    width: 28px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg .gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
}

.hero-bg .orb1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-bg .orb2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-bg .orb3 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.1;
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 20px;
}

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

.hero-content p {
    font-size: 1.15rem;
    color: var(--gray-400);
    margin-bottom: 36px;
    max-width: 540px;
}

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

.hero-visual {
    position: relative;
}

.hero-card {
    background: rgba(37, 37, 64, 0.6);
    border: 1px solid rgba(108, 60, 225, 0.2);
    border-radius: var(--radius);
    padding: 40px;
    backdrop-filter: blur(10px);
}

.hero-card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(108, 60, 225, 0.1);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(108, 60, 225, 0.15);
}

.stat-item .number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item .label {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-top: 4px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.section-header h2 .highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--gray-400);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108, 60, 225, 0.15);
    color: var(--secondary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

/* ===== Services ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--gray-900);
    border: 1px solid rgba(108, 60, 225, 0.1);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    border-color: rgba(108, 60, 225, 0.3);
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card .icon {
    width: 56px;
    height: 56px;
    background: rgba(108, 60, 225, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-400);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.service-card .learn-more {
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--gray-400);
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-200);
    font-size: 0.95rem;
}

.about-feature .check {
    width: 24px;
    height: 24px;
    background: rgba(0, 212, 170, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 0.8rem;
    flex-shrink: 0;
}

.about-visual {
    position: relative;
}

.about-image-card {
    background: var(--gray-900);
    border: 1px solid rgba(108, 60, 225, 0.15);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
}

.about-image-card .big-number {
    font-size: 5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

/* ===== Blog ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.blog-card {
    background: var(--gray-900);
    border: 1px solid rgba(108, 60, 225, 0.1);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(108, 60, 225, 0.3);
}

.blog-card-image {
    height: 200px;
    background: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.blog-card-image .overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0.1;
}

.blog-card-content {
    padding: 24px;
}

.blog-card-content .tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(108, 60, 225, 0.15);
    color: var(--secondary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.blog-card-content h3 {
    font-size: 1.15rem;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.4;
}

.blog-card-content p {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.blog-card-content .read-more {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 16px;
}

.contact-info p {
    color: var(--gray-400);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-item .icon-box {
    width: 48px;
    height: 48px;
    background: rgba(108, 60, 225, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item .text {
    color: var(--gray-400);
    font-size: 0.95rem;
}

.contact-item .text strong {
    color: var(--white);
    display: block;
    margin-bottom: 2px;
}

.contact-form {
    background: var(--gray-900);
    border: 1px solid rgba(108, 60, 225, 0.1);
    border-radius: var(--radius);
    padding: 36px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--gray-200);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: var(--dark);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 1rem;
    font-family: var(--font);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 60, 225, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== Footer ===== */
.footer {
    background: var(--darker);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(108, 60, 225, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
    display: inline-block;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-bottom: 12px;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(108, 60, 225, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: var(--gray-600);
    font-size: 0.85rem;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(108, 60, 225, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
}

/* ===== Page Header ===== */
.page-header {
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.page-header p {
    color: var(--gray-400);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Services Page ===== */
.services-detailed {
    display: grid;
    gap: 80px;
}

.service-detailed-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--gray-900);
    border: 1px solid rgba(108, 60, 225, 0.1);
    border-radius: var(--radius);
    padding: 40px;
}

.service-detailed-card.reverse {
    direction: rtl;
}

.service-detailed-card.reverse .service-detailed-info {
    direction: ltr;
}

.service-detailed-info h3 {
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 16px;
}

.service-detailed-info p {
    color: var(--gray-400);
    margin-bottom: 16px;
}

.service-detailed-info ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-detailed-info ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-200);
    font-size: 0.95rem;
}

.service-detailed-info ul li::before {
    content: '✓';
    color: var(--secondary);
    font-weight: 700;
}

.service-detailed-visual {
    height: 250px;
    background: var(--gray-800);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

/* ===== CTA Section ===== */
.cta-section {
    background: var(--gray-900);
    border-radius: var(--radius);
    padding: 80px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--gray-400);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 32px;
}

/* ===== Blog Page ===== */
.blog-hero {
    background: var(--gray-900);
    border: 1px solid rgba(108, 60, 225, 0.1);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.blog-hero-content h2 {
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 12px;
}

.blog-hero-content p {
    color: var(--gray-400);
    margin-bottom: 20px;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto 36px;
    }
    .hero-buttons { justify-content: center; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .blog-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .service-detailed-card { grid-template-columns: 1fr; }
    .service-detailed-card.reverse { direction: ltr; }
    .blog-hero { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 15, 26, 0.98);
        backdrop-filter: blur(20px);
        padding: 24px;
        flex-direction: column;
        gap: 16px;
        border-bottom: 1px solid rgba(108, 60, 225, 0.1);
    }

    .nav-links.open { display: flex; }
    .hamburger { display: flex; }

    .hero-content h1 { font-size: 2.2rem; }
    .section-header h2 { font-size: 1.8rem; }
    .services-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-section { padding: 40px 24px; }
    .cta-section h2 { font-size: 1.8rem; }
    .page-header h1 { font-size: 2rem; }
    .about-features { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 1.8rem; }
    .container { padding: 0 16px; }
}

/* ===== Ad Placements ===== */
.ad-728 {
    text-align: center;
    margin: 24px 0;
    min-height: 90px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.ad-320 {
    text-align: center;
    margin: 20px 0;
    min-height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ad-sticky-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(108, 60, 225, 0.15);
    padding: 8px;
    text-align: center;
    display: none;
}

@media (min-width: 769px) {
    .ad-320 { display: none; }
}

@media (max-width: 768px) {
    .ad-728 { display: none; }
    .ad-sticky-bottom { display: block; }
}