/* ============================================
   The Technology Pulse — Professional Stylesheet
   ============================================ */

/* --- Ad Slots --- */
.ad-slot {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px;
    margin: 32px 0;
    text-align: center;
    min-height: 90px;
    overflow: hidden;
}

.ad-slot-label {
    font-size: 0.65rem;
    color: #d1d5db;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.ad-slot-horizontal {
    min-height: 90px;
}

.ad-slot-rectangle {
    min-height: 250px;
    max-width: 336px;
    margin-left: auto;
    margin-right: auto;
}

@media print {
    .ad-slot { display: none; }
}

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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-400: #9ca3af;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --green: #10b981;
    --red: #ef4444;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 5px 10px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-700);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    color: var(--dark);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-icon {
    font-size: 1.3rem;
}

.logo-accent {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    font-size: 0.93rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-nav {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

/* --- Hero --- */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 50%, #f0f9ff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    background: rgba(16,185,129,0.1);
    color: var(--green);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.text-accent {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 36px;
    max-width: 550px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
}

.trust-icon {
    color: var(--accent);
}

/* --- Sections Common --- */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto;
}

/* --- Services --- */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

.service-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.service-price {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.05rem;
}

/* --- Pricing --- */
.pricing {
    background: var(--gray-50);
}

.pricing-table {
    overflow-x: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    background: var(--white);
}

.pricing-table table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th {
    background: var(--dark);
    color: var(--white);
    padding: 16px 24px;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
}

.pricing-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.95rem;
}

.pricing-table tr:last-child td {
    border-bottom: none;
}

.pricing-table tr:hover {
    background: var(--gray-50);
}

.price-cell {
    font-weight: 700;
    color: var(--primary);
    white-space: nowrap;
}

.pricing-note {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* --- How It Works --- */
.how-it-works {
    background: var(--white);
}

.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.step {
    text-align: center;
    flex: 1;
    max-width: 300px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.step p {
    font-size: 0.95rem;
    color: var(--gray-600);
}

.step-arrow {
    font-size: 2rem;
    color: var(--gray-400);
    flex-shrink: 0;
}

/* --- Testimonials --- */
.testimonials {
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}

.stars {
    color: var(--accent);
    font-size: 1.2rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-size: 0.95rem;
    color: var(--gray-700);
    margin-bottom: 16px;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9rem;
}

.testimonials-note {
    text-align: center;
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* --- Booking --- */
.booking {
    background: var(--white);
}

.booking-wrapper {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

.booking-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 36px;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark);
}

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

.form-note {
    text-align: center;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--gray-600);
}

.booking-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 24px;
}

.sidebar-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.phone-number {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.guarantees ul {
    list-style: none;
}

.guarantees li {
    padding: 6px 0;
    font-size: 0.95rem;
    color: var(--gray-700);
}

/* --- FAQ --- */
.faq {
    background: var(--gray-50);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--gray-400);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-question::after {
    content: '−';
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding-bottom: 20px;
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Footer --- */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.footer h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer ul {
    list-style: none;
}

.footer li {
    padding: 4px 0;
}

.footer a {
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
}

/* --- Tools Preview --- */
.tools-preview {
    background: var(--dark);
    color: var(--white);
}

.tools-preview .section-header h2 {
    color: var(--white);
}

.tools-preview .section-header p {
    color: var(--gray-400);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tool-card {
    background: var(--dark-light);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    display: block;
}

.tool-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(37,99,235,0.15);
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.tool-card h3 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.tool-card p {
    color: var(--gray-400);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.tool-link {
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.95rem;
}

/* --- Products Preview --- */
.products-preview {
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card-home {
    display: block;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
}

.product-card-home:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.product-tag {
    display: inline-block;
    background: rgba(245,158,11,0.1);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-card-home h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.product-card-home p {
    color: var(--gray-600);
    font-size: 0.93rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.product-price {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
}

/* --- Blog Preview --- */
.blog-preview {
    background: var(--gray-50);
}

.blog-grid-home {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.blog-card-home {
    display: block;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px 22px;
    transition: var(--transition);
}

.blog-card-home:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.blog-tag-home {
    display: inline-block;
    background: #eff6ff;
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.blog-card-home h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.3;
}

.blog-card-home p {
    color: var(--gray-600);
    font-size: 0.88rem;
    line-height: 1.5;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .booking-wrapper {
        grid-template-columns: 1fr;
    }

    .booking-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-card {
        flex: 1;
        min-width: 200px;
    }

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

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

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

    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
    }

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

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

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

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

    .steps-grid {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .tools-grid,
    .products-grid,
    .blog-grid-home {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.85rem;
    }

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

    .hero-cta .btn {
        width: 100%;
    }

    .hero-trust {
        flex-direction: column;
        gap: 12px;
    }

    .booking-form {
        padding: 24px 20px;
    }
}