/* CSS Variables */
:root {
    --color-light: #ededed;
    --color-dark: #23343a;
    --color-text-main: #333333;
    --color-text-muted: #555555;
    --color-white: #ffffff;
    --transition-speed: 0.3s;
    --font-main: 'Inter', sans-serif;
    --border-radius: 12px;
}

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

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

body {
    font-family: var(--font-main);
    background-color: var(--color-light);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 20px;
}

.section-header.center {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-dark);
    border-color: var(--color-dark);
}

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

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

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

/* Header */
.header {
    background-color: var(--color-dark);
    color: var(--color-light);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: padding var(--transition-speed);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 40px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: rgba(237, 237, 237, 0.8);
    font-weight: 500;
    position: relative;
}

.nav-link:hover {
    color: var(--color-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-light);
    transition: width var(--transition-speed);
}

.nav-link:hover::after {
    width: 100%;
}

.btn-quote {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 20px;
    color: var(--color-light);
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-quote:hover {
    background-color: var(--color-light);
    color: var(--color-dark);
}

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-light);
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    background: linear-gradient(135deg, var(--color-light) 0%, #ffffff 100%);
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.hero-content {
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(35, 52, 58, 0.1);
    color: var(--color-dark);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-dark);
    margin-bottom: 24px;
}

.hero-title span {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--color-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(35, 52, 58, 0.1);
}

.stat-box h3 {
    font-size: 2.5rem;
    color: var(--color-dark);
    font-weight: 800;
}

.stat-box p {
    color: var(--color-text-muted);
    font-weight: 500;
}

/* About Section */
.about {
    background-color: var(--color-white);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 30px;
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--color-dark);
}

.about-visual {
    position: relative;
    height: 400px;
    background: linear-gradient(45deg, var(--color-light), #e0e0e0);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.experience-badge {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 40px;
    border-radius: 50%;
    text-align: center;
    box-shadow: 0 10px 30px rgba(35, 52, 58, 0.2);
}

.experience-badge h3 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

/* Services Section */
.services {
    background-color: var(--color-light);
}

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

.service-card {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.02);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--color-text-muted);
}

/* Products Section */
.products {
    background-color: var(--color-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.product-card {
    background: linear-gradient(to bottom right, var(--color-dark), #1a272b);
    color: var(--color-light);
    padding: 50px 40px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-speed);
}

.product-card:hover {
    transform: scale(1.03);
}

.product-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.product-card p {
    color: rgba(237, 237, 237, 0.8);
    margin-bottom: 30px;
}

.product-card .btn-small {
    padding: 10px 24px;
    font-size: 0.95rem;
    display: inline-block;
}

.product-card .btn-primary:hover {
    background-color: var(--color-light);
    color: var(--color-dark);
    border-color: var(--color-light);
}

/* Technology Stack Carousel */
.technologies {
    background-color: var(--color-white);
    padding: 80px 0;
}

.carousel-wrapper {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    width: calc(200px * 38);
    animation: scroll 60s linear infinite;
    gap: 40px;
    padding: 20px 0;
}

.carousel-item {
    flex-shrink: 0;
    width: 160px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: var(--color-light);
    border-radius: var(--border-radius);
}

.carousel-item img {
    max-width: 100%;
    max-height: 70px;
    object-fit: contain;
    cursor: pointer;
}

.carousel-item img[title] {
    position: relative;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-200px * 19));
    }
}

.carousel-wrapper:hover .carousel-track {
    animation-play-state: paused;
}

/* Free Tools Grid - Symmetric 2-column layout */
.free-tools-grid {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .free-tools-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}

/* Process Section */
.process {
    background-color: var(--color-light);
}

.process-steps {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    height: 100%;
    width: 2px;
    background-color: rgba(35, 52, 58, 0.1);
}

.step {
    position: relative;
    padding-left: 80px;
    margin-bottom: 50px;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 50px;
    background-color: var(--color-dark);
    color: var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 0 0 10px var(--color-light);
}

.step h3 {
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.step p {
    color: var(--color-text-muted);
}

/* Contact Section */
.contact {
    background-color: var(--color-dark);
    color: var(--color-light);
}

.contact .section-title {
    color: var(--color-light);
}

.contact-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255,255,255,0.05);
    padding: 60px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255,255,255,0.1);
}

.contact-info p {
    margin-bottom: 30px;
    font-size: 1.2rem;
    color: rgba(237, 237, 237, 0.8);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

.contact-action {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-action .btn {
    margin: 0;
}

/* Footer */
.footer {
    background-color: #1a272b;
    padding: 40px 0;
    color: rgba(237, 237, 237, 0.6);
}

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

.footer-logo img {
    height: 30px;
    opacity: 0.8;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .contact-action {
        justify-content: center;
        flex-direction: column;
    }
    
    .info-item {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .header-container {
        height: 70px;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-dark);
        transition: left var(--transition-speed);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 40px;
        font-size: 1.5rem;
    }

    .btn-quote {
        border: none;
        padding: 0;
        background: transparent;
    }
    
    .btn-quote:hover {
        background: transparent;
        color: var(--color-light);
    }

    .mobile-nav-toggle {
        display: block;
    }
    
    .hero {
        padding-top: 100px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-actions {
        flex-direction: column;
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
}