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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    line-height: 1.6;
    color: #334155;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #1e293b;
}

.logo-text {
    color: #3b82f6;
}

.logo-suffix {
    color: #64748b;
    margin-left: 0.2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: #475569;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #3b82f6;
}

.nav-link::after {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -8px;
    left: 50%;
    background: #3b82f6;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

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

.toggle-line {
    width: 24px;
    height: 2px;
    background: #475569;
    transition: 0.3s ease;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 6rem 0 4rem;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hero-badge {
    display: inline-flex;
    align-self: flex-start;
}

.badge-text {
    background: #eff6ff;
    color: #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid #dbeafe;
}

.hero-title {
    margin-bottom: 1rem;
}

.title-line {
    display: block;
    font-family: "Space Grotesk", sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.title-subtitle {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: #64748b;
    line-height: 1.3;
}

.hero-description {
    font-size: 1.125rem;
    color: #475569;
    line-height: 1.7;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background: #3b82f6;
    color: #fff;
    border-color: #3b82f6;
}

.btn-primary:hover {
    background: #2563eb;
    border-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background: transparent;
    color: #3b82f6;
    border-color: #3b82f6;
}

.btn-outline:hover {
    background: #3b82f6;
    color: #fff;
    transform: translateY(-2px);
}

.hero-metrics {
    display: flex;
    gap: 3rem;
    margin-top: 1rem;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 2.25rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1;
}

.metric-label {
    font-size: 0.875rem;
    color: #64748b;
    font-weight: 500;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-mockups {
    position: relative;
    width: 100%;
    height: 400px;
}

.mockup {
    position: absolute;
    width: 200px;
    height: 350px;
    background: #fff;
    border-radius: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    border: 8px solid #e2e8f0;
    transition: transform 0.3s ease;
}

.mockup:hover {
    transform: translateY(-10px);
}

.mockup-ios {
    top: 20px;
    left: 0;
    z-index: 3;
    transform: rotate(-5deg);
}

.mockup-android {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mockup-cross {
    top: 20px;
    right: 0;
    z-index: 1;
    transform: rotate(5deg);
}

.mockup-screen {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: #64748b;
    text-align: center;
    padding: 2rem;
}

.mockup-screen i {
    font-size: 3rem;
    color: #3b82f6;
}

.mockup-screen span {
    font-weight: 600;
    font-size: 0.875rem;
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    background: #eff6ff;
    color: #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border: 1px solid #dbeafe;
}

.section-title {
    font-family: "Space Grotesk", sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-description {
    font-size: 1.125rem;
    color: #64748b;
    line-height: 1.7;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: 6rem 0;
    background: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-card {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.about-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: #3b82f6;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.card-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.card-content p {
    color: #64748b;
    line-height: 1.6;
}

.about-stats {
    background: #1e293b;
    border-radius: 16px;
    padding: 2.5rem;
    color: #fff;
    height: fit-content;
}

.stats-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #fff;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-item:last-child {
    margin-bottom: 0;
}

.stat-item i {
    color: #3b82f6;
    font-size: 1.25rem;
}

.stat-item span {
    color: #e2e8f0;
    font-weight: 500;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #fff;
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.service-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
    font-size: 1.5rem;
    border: 1px solid #dbeafe;
}

.service-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
}

.service-description {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature {
    background: #f1f5f9;
    color: #475569;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid #e2e8f0;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    padding: 6rem 0;
    background: #fff;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    color: #64748b;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: #3b82f6;
    border-color: #3b82f6;
    color: #fff;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.portfolio-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    height: 200px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.image-overlay {
    color: #fff;
    font-size: 3rem;
    opacity: 0.8;
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.portfolio-info p {
    color: #64748b;
    margin-bottom: 1rem;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: #f1f5f9;
    color: #475569;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-30px);
}

.info-card.visible {
    opacity: 1;
    transform: translateX(0);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: #3b82f6;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.info-content p {
    color: #64748b;
}

.info-content a {
    color: #3b82f6;
    text-decoration: none;
}

.info-content a:hover {
    text-decoration: underline;
}

.contact-form-container {
    background: #fff;
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-field label {
    font-weight: 500;
    color: #374151;
    font-size: 0.875rem;
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 0.875rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: #fff;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: #3b82f6;
}

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

.form-submit {
    padding: 1rem 2rem;
    background: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.form-submit:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* ===== FOOTER ===== */
.footer {
    background: #1e293b;
    color: #e2e8f0;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-main {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-brand h3 {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #94a3b8;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e2e8f0;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: #3b82f6;
    border-color: #3b82f6;
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #3b82f6;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
}

.footer-contact i {
    color: #3b82f6;
    width: 16px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #94a3b8;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #3b82f6;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1.5rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle.active .toggle-line:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .toggle-line:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .nav-toggle.active .toggle-line:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

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

    .title-subtitle {
        font-size: 1.25rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-metrics {
        justify-content: center;
        gap: 2rem;
    }

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

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

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

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

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .contact-form-container {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .title-subtitle {
        font-size: 1.125rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-metrics {
        flex-direction: column;
        gap: 1.5rem;
    }

    .about-card,
    .info-card {
        padding: 1.5rem;
    }

    .service-card {
        padding: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}