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

:root {
    /* Color Palette */
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --primary-blue-light: #3b82f6;
    --accent-green: #10b981;
    --accent-green-dark: #059669;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-gray-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --border-gray: #e5e7eb;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 80px 20px;

    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Header Styles
   =================================== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: var(--transition-smooth);
}

.logo-img:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition-smooth);
    position: relative;
}

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

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

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

.nav-link-cta {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.lang-switcher {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
}

.lang-switcher::after {
    display: none;
}

.lang-switcher:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    padding: 120px 20px 100px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 15px;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 35px;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    font-family: var(--font-family);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-hero {
    animation: fadeInUp 0.8s ease-out 0.4s both;
    margin-bottom: 10px;
}

.hero-subtext {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
}

.hero-feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.hero-feature-icon {
    width: 24px;
    height: 24px;
    color: var(--accent-green);
}

.hero-feature span {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 500;
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: var(--section-padding);
    background: var(--bg-white);
}

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

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: var(--bg-white);
    border: 2px solid var(--border-gray);
    border-radius: 16px;
    padding: 40px 30px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-green));
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue-light);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.service-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.service-description {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 1rem;
}

/* ===================================
   Why Us Section
   =================================== */
.why-us {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.why-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.why-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
    background: rgba(255, 255, 255, 1);
}

.why-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition-smooth);
}

.why-card:hover .why-icon {
    transform: scale(1.1);
}

.why-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.why-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.why-description {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ===================================
   Contact Form Section
   =================================== */
.contact {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.form-container {
    max-width: 700px;
    margin: 40px auto 0;
    background: var(--bg-gray-light);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-input,
.form-select {
    padding: 14px 16px;
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    font-size: 1rem;
    font-family: var(--font-family);
    transition: var(--transition-smooth);
    background: white;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
    cursor: pointer;
}

.btn-submit {
    width: 100%;
    margin-top: 10px;
}

.form-message {
    padding: 15px;
    border-radius: 10px;
    font-weight: 500;
    text-align: center;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid #10b981;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid #ef4444;
    display: block;
}

.form-legal {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-top: 10px;
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.testimonial-card {
    background: white;
    border-radius: 16px;
    padding: 35px 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.testimonial-quote {
    width: 40px;
    height: 40px;
    margin-bottom: 20px;
}

.testimonial-quote svg {
    width: 100%;
    height: 100%;
    color: var(--primary-blue-light);
    opacity: 0.3;
}

.testimonial-text {
    font-size: 1.05rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    border-top: 2px solid var(--border-gray);
    padding-top: 20px;
}

.testimonial-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.05rem;
    margin-bottom: 5px;
}

.testimonial-role {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ===================================
   Footer Section
   =================================== */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 10px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    color: #cbd5e1;
    font-size: 0.95rem;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: white;
}

.footer-text {
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-link {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    width: fit-content;
}

.footer-link:hover {
    color: var(--accent-green);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--accent-green);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

.developer-link {
    color: #10b981;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.developer-link:hover {
    color: #34d399;
    text-decoration: underline;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav {
        display: none;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

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

    .section-intro {
        font-size: 1rem;
    }

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

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

    .form-container {
        padding: 30px 20px;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: 80px 20px 60px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .btn {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.7rem;
    }
}