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

:root {
    --color-orange: #FF6B35;
    --color-orange-light: #FF8555;
    --color-orange-dark: #E55A2B;
    --color-black: #0A0A0A;
    --color-gray-dark: #1A1A1A;
    --color-gray-medium: #2A2A2A;
    --color-gray-light: #444444;
    --color-white: #FFFFFF;
    --color-off-white: #F5F5F5;
    --spacing-unit: 8px;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-black);
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
}

.nav {
    padding: calc(var(--spacing-unit) * 2) 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-orange);
    letter-spacing: -0.5px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing-unit) * 4);
    align-items: center;
}

.nav-links a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.btn-nav {
    background: var(--color-orange);
    color: var(--color-white);
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    border-radius: 6px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--color-orange-dark);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--color-orange-dark);
    border-color: var(--color-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-black);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-orange);
    border-color: var(--color-orange);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: calc(var(--spacing-unit) * 15);
    padding-bottom: calc(var(--spacing-unit) * 10);
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-dark) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: calc(var(--spacing-unit) * 3);
    letter-spacing: -1px;
}

.highlight {
    color: var(--color-orange);
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: calc(var(--spacing-unit) * 5);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.hero-stats {
    display: flex;
    gap: calc(var(--spacing-unit) * 6);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: calc(var(--spacing-unit) * 8);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-orange);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: calc(var(--spacing-unit) * 2);
    text-align: center;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 6);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.why-section {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: var(--color-gray-dark);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

.why-card {
    background: var(--color-gray-medium);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.why-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-orange);
    box-shadow: 0 12px 32px rgba(255, 107, 53, 0.2);
}

.why-icon {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.why-card h3 {
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--color-white);
}

.why-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.stack-section {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: var(--color-black);
}

.stack-categories {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 8);
}

.stack-category {
    background: var(--color-gray-dark);
    padding: calc(var(--spacing-unit) * 5);
    border-radius: 16px;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.category-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 4);
    color: var(--color-orange);
    text-align: center;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing-unit) * 3);
}

.tool-card {
    background: var(--color-gray-medium);
    padding: calc(var(--spacing-unit) * 3);
    border-radius: 10px;
    transition: var(--transition);
    border: 1px solid transparent;
    text-align: center;
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-orange);
    background: rgba(255, 107, 53, 0.1);
}

.tool-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.tool-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.stack-cta {
    margin-top: calc(var(--spacing-unit) * 8);
    text-align: center;
}

.stack-note {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 800px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 3);
    background: var(--color-gray-dark);
    border-radius: 8px;
    border-left: 4px solid var(--color-orange);
}

.services-section {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: var(--color-gray-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

.service-card {
    background: var(--color-gray-medium);
    padding: calc(var(--spacing-unit) * 5);
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-orange);
    box-shadow: 0 12px 32px rgba(255, 107, 53, 0.2);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--color-white);
    font-weight: 700;
}

.service-card > p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: calc(var(--spacing-unit) * 3);
    line-height: 1.8;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: calc(var(--spacing-unit) * 1.5) 0;
    padding-left: calc(var(--spacing-unit) * 3);
    color: rgba(255, 255, 255, 0.8);
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-orange);
    font-weight: bold;
}

.pricing-section {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: var(--color-black);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.pricing-card {
    background: var(--color-gray-dark);
    border-radius: 16px;
    padding: calc(var(--spacing-unit) * 5);
    position: relative;
    transition: var(--transition);
    border: 2px solid rgba(255, 107, 53, 0.2);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-orange);
    box-shadow: 0 16px 48px rgba(255, 107, 53, 0.3);
}

.pricing-card.featured {
    border-color: var(--color-orange);
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.2);
}

.badge {
    position: absolute;
    top: -12px;
    right: calc(var(--spacing-unit) * 3);
    background: var(--color-orange);
    color: var(--color-white);
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 4);
    padding-bottom: calc(var(--spacing-unit) * 4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-header h3 {
    font-size: 1.8rem;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--color-white);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 1);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.currency {
    font-size: 1.5rem;
    color: var(--color-orange);
    font-weight: 700;
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-orange);
}

.period {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

.price-sub {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: calc(var(--spacing-unit) * 5);
}

.pricing-features li {
    padding: calc(var(--spacing-unit) * 1.5) 0;
    padding-left: calc(var(--spacing-unit) * 3);
    color: rgba(255, 255, 255, 0.85);
    position: relative;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-orange);
    font-weight: bold;
}

.pricing-note {
    background: var(--color-gray-dark);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: 12px;
    border-left: 4px solid var(--color-orange);
}

.pricing-note p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.how-section {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: var(--color-gray-dark);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.process-step {
    text-align: center;
    padding: calc(var(--spacing-unit) * 4);
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--color-orange);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    margin: 0 auto calc(var(--spacing-unit) * 3);
    transition: var(--transition);
}

.process-step:hover .step-number {
    transform: scale(1.1) rotate(5deg);
}

.process-step h3 {
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--color-white);
}

.process-step p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.how-note {
    background: var(--color-gray-medium);
    padding: calc(var(--spacing-unit) * 5);
    border-radius: 12px;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.how-note h4 {
    font-size: 1.5rem;
    color: var(--color-orange);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.how-note p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.about-section {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: var(--color-black);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: center;
}

.about-image {
    display: flex;
    justify-content: center;
}

.avatar-placeholder {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-orange-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    font-weight: 800;
    color: var(--color-white);
    border: 8px solid var(--color-gray-dark);
}

.about-text .section-title {
    text-align: left;
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.about-intro {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-orange);
    margin-bottom: calc(var(--spacing-unit) * 3);
    line-height: 1.6;
}

.about-text p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: calc(var(--spacing-unit) * 3);
    line-height: 1.8;
}

.about-cta-text {
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.contact-section {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: var(--color-gray-dark);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: calc(var(--spacing-unit) * 8);
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.contact-info > p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: calc(var(--spacing-unit) * 5);
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 3);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    padding: calc(var(--spacing-unit) * 3);
    background: var(--color-gray-medium);
    border-radius: 10px;
}

.method-icon {
    font-size: 2.5rem;
}

.method-details h4 {
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 0.5);
    font-size: 1.1rem;
}

.method-details p {
    color: rgba(255, 255, 255, 0.7);
}

.contact-form {
    background: var(--color-gray-medium);
    padding: calc(var(--spacing-unit) * 5);
    border-radius: 12px;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.form-group label {
    display: block;
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing-unit) * 2);
    background: var(--color-gray-dark);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-white);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-orange);
    background: var(--color-black);
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    margin-top: calc(var(--spacing-unit) * 2);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(0, 255, 0, 0.1);
    color: #00ff00;
    border: 1px solid rgba(0, 255, 0, 0.3);
}

.form-message.error {
    display: block;
    background: rgba(255, 0, 0, 0.1);
    color: #ff4444;
    border: 1px solid rgba(255, 0, 0, 0.3);
}

.footer {
    background: var(--color-black);
    padding: calc(var(--spacing-unit) * 10) 0 calc(var(--spacing-unit) * 4);
    border-top: 1px solid rgba(255, 107, 53, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: calc(var(--spacing-unit) * 2);
    line-height: 1.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

.footer-column h4 {
    color: var(--color-orange);
    margin-bottom: calc(var(--spacing-unit) * 2);
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--color-orange);
}

.footer-bottom {
    text-align: center;
    padding-top: calc(var(--spacing-unit) * 4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.footer-legal {
    font-size: 0.85rem;
    max-width: 800px;
    margin: calc(var(--spacing-unit) * 2) auto 0;
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--color-gray-dark);
        flex-direction: column;
        padding: calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 4);
        transition: right 0.3s ease;
        align-items: flex-start;
        border-left: 1px solid rgba(255, 107, 53, 0.2);
    }

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

    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

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

    .about-text .section-title {
        text-align: center;
    }

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

    .contact-info .section-title {
        text-align: center;
    }

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

@media (max-width: 768px) {
    .hero-stats {
        gap: calc(var(--spacing-unit) * 4);
    }

    .why-grid,
    .services-grid,
    .tools-grid,
    .pricing-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }

    .avatar-placeholder {
        width: 200px;
        height: 200px;
        font-size: 5rem;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

    .stat-number {
        font-size: 2rem;
    }
}