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

:root {
    --primary: #6c5ce7;
    --primary-dark: #5a4bd1;
    --primary-light: #a29bfe;
    --accent: #00cec9;
    --bg-dark: #0a0a1a;
    --bg-card: #12122a;
    --bg-card-hover: #1a1a3e;
    --bg-section: #0e0e22;
    --text: #e0e0f0;
    --text-muted: #8888aa;
    --text-light: #ffffff;
    --border: #2a2a4a;
    --gradient: linear-gradient(135deg, var(--primary), var(--accent));
    --shadow: 0 4px 30px rgba(108, 92, 231, 0.15);
    --radius: 16px;
    --radius-sm: 10px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 1.1rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.3s;
}

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

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.5);
}

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

.btn-outline:hover {
    border-color: var(--primary-light);
    background: rgba(108, 92, 231, 0.1);
}

.btn-nav {
    background: var(--gradient);
    color: white !important;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 206, 201, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(108, 92, 231, 0.08) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 850px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 28px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-light);
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
}

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

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== SECTIONS COMMON ===== */
.section-badge {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(108, 92, 231, 0.12);
    border: 1px solid rgba(108, 92, 231, 0.25);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 50px;
}

/* ===== SERVICES ===== */
.services {
    padding: 100px 0;
    background: var(--bg-section);
}

.services .container {
    text-align: center;
}

.services .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 30px;
    transition: all 0.4s ease;
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.service-card.featured {
    border-color: rgba(108, 92, 231, 0.4);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.08), rgba(0, 206, 201, 0.05));
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    padding: 4px 14px;
    background: var(--gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 100px;
    letter-spacing: 0.5px;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    font-size: 0.88rem;
    color: var(--text);
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient);
}

/* ===== PROCESS ===== */
.process {
    padding: 100px 0;
    background: var(--bg-dark);
}

.process .container {
    text-align: center;
}

.process .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: left;
}

.process-step {
    padding: 30px 24px;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.process-step:hover {
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-3px);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.process-step h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 10px;
}

.process-step p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ===== FAQ ===== */
.faq {
    padding: 100px 0;
    background: var(--bg-section);
}

.faq .container {
    text-align: center;
}

.faq-list {
    max-width: 750px;
    margin: 0 auto;
    text-align: left;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--bg-card);
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: rgba(108, 92, 231, 0.3);
}

.faq-item[open] {
    border-color: rgba(108, 92, 231, 0.4);
    background: var(--bg-card-hover);
}

.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-light);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--primary-light);
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 24px 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ===== CONTACT ===== */
.contact {
    padding: 100px 0;
    background: var(--bg-dark);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-title {
    font-size: 2.2rem;
}

.contact-info > p {
    color: var(--text-muted);
    margin: 16px 0 40px;
    line-height: 1.8;
}

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

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

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108, 92, 231, 0.12);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    color: var(--text-light);
    font-size: 0.9rem;
}

.contact-item span {
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* ===== FORM ===== */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.optional {
    color: var(--text-muted);
    font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238888aa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

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

.form-note {
    text-align: center;
    margin-top: 16px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ===== FOOTER ===== */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
}

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

.footer-brand p {
    color: var(--text-muted);
    margin-top: 12px;
    font-size: 0.92rem;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links li,
.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color 0.3s;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

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

/* ===== FORM SUCCESS ===== */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success .success-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.4rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.form-success p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== EXAMPLES ===== */
.examples {
    padding: 100px 0;
    background: var(--bg-dark);
}

.examples .container {
    text-align: center;
}

.examples .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}

.example-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: all 0.4s ease;
}

.example-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.example-tag {
    display: inline-block;
    width: fit-content;
    padding: 4px 12px;
    background: rgba(108, 92, 231, 0.12);
    border: 1px solid rgba(108, 92, 231, 0.25);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-light);
    letter-spacing: 0.3px;
}

.example-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    line-height: 1.4;
}

.example-problem {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.example-solution {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.6;
    padding: 14px 16px;
    background: rgba(108, 92, 231, 0.06);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.example-solution strong {
    color: var(--primary-light);
}

.example-result {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero h1 {
        font-size: 2.8rem;
    }
}

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

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

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

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

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

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .section-title {
        font-size: 2rem;
    }

    .contact-form {
        padding: 28px;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 1rem;
    }
}

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

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .section-title {
        font-size: 1.6rem;
    }
}