/* ================================================
   QTK-Cloud Website Styles
   Enterprise Cloud Solutions
   ================================================ */

/* -------------------- Variables -------------------- */
:root {
    /* Brand Colors */
    --primary: #1e3a5f;
    --primary-light: #2b5c8a;
    --primary-dark: #152a45;
    --accent-green: #7cb342;
    --accent-orange: #e65100;
    --accent-dark: #333333;

    /* Text Colors */
    --text-dark: #2d3748;
    --text-medium: #4a5568;
    --text-light: #718096;
    --text-white: #ffffff;

    /* Background Colors */
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --bg-dark: #1e3a5f;
    --divider: #e2e8f0;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e3a5f 0%, #2b5c8a 100%);
    --gradient-hero: linear-gradient(135deg, #1e3a5f 0%, #2b5c8a 50%, #1e3a5f 100%);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 24px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* -------------------- Container -------------------- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* -------------------- Typography -------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

.highlight {
    color: var(--primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-green), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* -------------------- Buttons -------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
}

.btn-primary {
    background: var(--accent-green);
    color: var(--text-white);
    border-color: var(--accent-green);
}

.btn-primary:hover {
    background: #6a9a38;
    border-color: #6a9a38;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--text-white);
    color: var(--primary);
}

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

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

.btn-lg {
    padding: 16px 36px;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn-nav {
    padding: 10px 24px;
    background: var(--accent-green);
    color: var(--text-white);
    border-radius: var(--radius-md);
}

.btn-nav:hover {
    background: #6a9a38;
}

.btn-nav-secondary {
    padding: 10px 24px;
    background: transparent;
    color: var(--text-white) !important;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
}

.btn-nav-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
}

/* -------------------- Navigation -------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: transparent;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(30, 58, 95, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 12px 0;
}

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

.logo img {
    height: 117px;
    width: auto;
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    color: var(--text-white);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: var(--transition-normal);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition-normal);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/backgrounds/hero-pattern.svg');
    background-size: cover;
    background-position: center;
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: var(--text-white);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    color: var(--text-white);
    margin-bottom: 24px;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-white);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    margin: 12px auto 0;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0.5; top: 20px; }
}

/* -------------------- Section Styles -------------------- */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(124, 179, 66, 0.1);
    color: var(--accent-green);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-medium);
    font-size: 1.125rem;
}

/* -------------------- Services Section -------------------- */
.services {
    background: var(--bg-light);
    padding: 120px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-card {
    background: var(--bg-white);
    padding: 0;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--divider);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-green);
}

.service-icon {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    border-bottom: 3px solid var(--accent-green);
    overflow: hidden;
}

/* Qt Pipeline Custom Icon */
.qt-pipeline-icon {
    flex-direction: column;
    gap: 16px;
}

.qt-pipeline-icon .qt-logo-main {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.pipeline-flow {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    padding: 10px 20px;
    border-radius: 25px;
}

.pipeline-step {
    background: var(--accent-green);
    color: white;
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pipeline-arrow {
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-width: 340px;
    display: block;
}

.service-card-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-card-content h3 {
    margin-bottom: 12px;
    color: var(--primary);
}

.service-card-content p {
    color: var(--text-medium);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-card-content .service-features {
    flex: 1;
}

.service-card-content .service-link {
    margin-top: auto;
}

.service-features {
    margin-bottom: 24px;
}

.service-features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-medium);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--divider);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: 700;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.service-link:hover {
    color: var(--accent-green);
}

/* -------------------- Technologies Section -------------------- */
.technologies {
    background: var(--bg-white);
}

.tech-categories {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.tech-category h3 {
    text-align: center;
    margin-bottom: 24px;
    color: var(--primary);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    min-width: 100px;
}

.tech-item:hover {
    background: var(--bg-white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--divider);
}

.tech-icon {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    transition: var(--transition-normal);
}

.tech-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: var(--transition-normal);
}

.tech-item:hover .tech-logo {
    transform: scale(1.1);
}

.tech-item span {
    font-size: 0.85rem;
    color: var(--text-medium);
    transition: var(--transition-normal);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.tech-tag {
    padding: 10px 20px;
    background: var(--bg-light);
    color: var(--text-medium);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-normal);
    border: 1px solid var(--divider);
}

.tech-tag:hover {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

.tech-tag.cloud {
    background: rgba(43, 92, 138, 0.1);
    color: var(--primary-light);
    border-color: var(--primary-light);
}

.tech-tag.security {
    background: rgba(230, 81, 0, 0.1);
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

/* -------------------- Pricing Section -------------------- */
.pricing {
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 2px solid var(--divider);
    transition: var(--transition-normal);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--accent-green);
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.pricing-card.enterprise {
    background: var(--gradient-primary);
    color: var(--text-white);
}

.pricing-card.enterprise h3,
.pricing-card.enterprise .pricing-description,
.pricing-card.enterprise .pricing-features li {
    color: var(--text-white);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-green);
    color: var(--text-white);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.pricing-description {
    color: var(--text-medium);
    font-size: 0.9rem;
}

.pricing-price {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--divider);
}

.pricing-card.enterprise .pricing-price {
    border-color: rgba(255, 255, 255, 0.2);
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: top;
}

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

.pricing-card.enterprise .price-amount {
    color: var(--text-white);
}

.price-amount.custom {
    font-size: 2.5rem;
}

.price-period {
    color: var(--text-medium);
    font-size: 1rem;
}

.pricing-features {
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-medium);
}

.pricing-features .check {
    color: var(--accent-green);
    font-weight: 700;
}

.pricing-card.enterprise .pricing-features .check {
    color: var(--accent-green);
}

.pricing-note {
    text-align: center;
    margin-top: 40px;
    color: var(--text-medium);
    font-size: 0.9rem;
}

/* -------------------- Why Us Section -------------------- */
.why-us {
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 36px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.feature-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 12px;
    color: var(--primary);
}

.feature-card p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

/* -------------------- Industries Section -------------------- */
.industries {
    background: var(--bg-light);
    padding: 80px 0;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.industry-card {
    background: var(--bg-white);
    padding: 30px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--divider);
}

.industry-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.industry-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
}

.industry-card h4 {
    font-size: 0.95rem;
    color: var(--text-dark);
}

/* -------------------- Testimonials Section -------------------- */
.testimonials {
    background: var(--bg-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 36px;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--accent-green);
}

.testimonial-content p {
    font-size: 1.05rem;
    color: var(--text-dark);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.author-info strong {
    display: block;
    color: var(--text-dark);
    font-size: 1rem;
}

.author-info span {
    color: var(--text-medium);
    font-size: 0.85rem;
}

/* -------------------- CTA Section -------------------- */
.cta {
    background: var(--gradient-primary);
    padding: 100px 0;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta h2 {
    color: var(--text-white);
    margin-bottom: 16px;
}

.cta > .container > .cta-content > p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.contact-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: left;
}

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

.form-group {
    margin-bottom: 0;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--divider);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-alternatives {
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.8);
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-white);
    font-weight: 500;
}

.contact-method:hover {
    color: var(--accent-green);
}

.contact-icon {
    font-size: 1.25rem;
}

/* -------------------- Footer -------------------- */
.footer {
    background: var(--primary-dark);
    color: var(--text-white);
    padding-top: 0;
}

.footer-accent {
    height: 4px;
    background: linear-gradient(90deg,
        var(--accent-green) 0%, var(--accent-green) 33%,
        var(--accent-orange) 33%, var(--accent-orange) 66%,
        var(--accent-dark) 66%, var(--accent-dark) 100%
    );
}

.footer .container {
    padding-top: 60px;
    padding-bottom: 30px;
}

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

.footer-logo {
    height: 72px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: var(--accent-green);
}

.footer-links h4 {
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-green);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.footer-legal a:hover {
    color: var(--text-white);
}

/* -------------------- Responsive -------------------- */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
    }

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

    .mobile-menu-btn {
        display: flex;
    }

    .hero-stats {
        gap: 30px;
    }

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

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

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

    .pricing-card.featured {
        transform: none;
    }

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

    .social-links {
        justify-content: center;
    }

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

    .contact-methods {
        flex-direction: column;
        gap: 16px;
    }

    .services {
        padding: 80px 0;
    }

    .service-icon {
        height: 180px;
    }
}

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

    .btn-lg {
        width: 100%;
    }

    .tech-grid {
        gap: 12px;
    }

    .tech-item {
        padding: 14px 16px;
        min-width: 80px;
    }

    .contact-form {
        padding: 24px;
    }
}

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

/* Smooth reveal animation - elements visible by default, animate when scrolled into view */
.service-card,
.pricing-card,
.feature-card,
.testimonial-card,
.industry-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.animate-in,
.pricing-card.animate-in,
.feature-card.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}