/* ==========================================
   PROTAL-HUB WEBSITE STYLES
   ========================================== */

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

:root {
    /* Colors */
    --primary-blue: #1F4FD8;
    --primary-orange: #F59E0B;
    --dark-gray: #1F2937;
    --light-gray: #F3F4F6;
    --white: #FFFFFF;
    --border-color: #E5E7EB;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --container-max: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* 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(0,0,0,0.1);
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--dark-gray);
    line-height: 1.6;
    background: var(--white);
}

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

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

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

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

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

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: var(--font-heading);
}

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

.btn-primary:hover {
    background: #1a3fb3;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-outline:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* HEADER / NAVIGATION */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.nav-logo img {
    height: 45px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    font-weight: 500;
    transition: var(--transition);
}

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

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

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    transition: var(--transition);
}

/* HERO SECTION */
.hero {
    min-height: 85vh;
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background:
        linear-gradient(
            135deg,
            rgba(248,250,252,0.7),
            rgba(224,231,255,0.7)
        ),
        url("../assets/images/hero-printing.png") center / cover no-repeat;
    text-align: center;
}


.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4B5563;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.icon {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
}

.icon-small {
    width: 16px;
    height: 16px;
    color: var(--primary-orange);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #6B7280;
    font-size: 0.95rem;
}

/* SECTION STYLES */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: #6B7280;
    margin-bottom: var(--spacing-lg);
}

/* PROBLEM SECTION */
.problem-section {
    background: var(--light-gray);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.problem-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.problem-highlight {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-orange);
    margin-top: var(--spacing-md);
    text-align: center;
    font-size: 1.125rem;
}

/* SOLUTION SECTION */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.feature-card h3 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: #6B7280;
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #4B5563;
}

.feature-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-orange);
    font-weight: bold;
}

/* PRICING SECTION */
.pricing-section {
    background: var(--light-gray);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-md);
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pricing-card-popular {
    border: 3px solid var(--primary-blue);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-orange);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.pricing-header {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--light-gray);
    margin-bottom: 1.5rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.pricing-price {
    margin-bottom: 0.5rem;
}

.pricing-price .currency {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.pricing-price .period {
    font-size: 1rem;
    color: #6B7280;
}

.pricing-description {
    color: #6B7280;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--light-gray);
}

.pricing-footer {
    text-align: center;
    color: #6B7280;
}

.pricing-footer p {
    margin: 0.5rem 0;
}

/* TESTIMONIALS */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    color: var(--primary-orange);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    color: #4B5563;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.testimonial-author strong {
    display: block;
    color: var(--dark-gray);
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: #6B7280;
    font-size: 0.9rem;
}

/* CTA SECTION */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue), #3B5BA5);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.cta-benefits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.cta-section .btn-primary {
    background: var(--primary-orange);
}

.cta-section .btn-primary:hover {
    background: #d97706;
}

.cta-guarantee {
    margin-top: 1rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* CONTACT SECTION */
.contact-section {
    background: var(--light-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.form-checkbox input {
    width: auto;
    margin-top: 0.25rem;
}

.form-checkbox label {
    margin-bottom: 0;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    display: none;
}

.form-message.success {
    background: #D1FAE5;
    color: #065F46;
    display: block;
}

.form-message.error {
    background: #FEE2E2;
    color: #991B1B;
    display: block;
}

/* Contact Info */
.contact-info {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-info h3 {
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    font-size: 1.75rem;
}

.contact-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.contact-item small {
    color: #6B7280;
    font-size: 0.875rem;
}

.whatsapp-link {
    color: var(--primary-blue);
    font-weight: 500;
}

.whatsapp-link:hover {
    text-decoration: underline;
}

.contact-faq {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--light-gray);
}

.contact-faq h4 {
    margin-bottom: 1rem;
}

.contact-faq details {
    margin-bottom: 1rem;
    cursor: pointer;
}

.contact-faq summary {
    font-weight: 600;
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.contact-faq summary:hover {
    background: #e5e7eb;
}

.contact-faq p {
    padding: 1rem;
    color: #6B7280;
}

/* FOOTER */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 3rem;
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    color: #9CA3AF;
    margin-top: 1rem;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: #9CA3AF;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-orange);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-md);
    text-align: center;
    color: #9CA3AF;
}

.footer-bottom p {
    margin: 0.5rem 0;
}

/* WHATSAPP FLOATING BUTTON */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    color: var(--white);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

/* RESPONSIVE */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav .btn-primary {
        display: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
    
    .problems-grid,
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card-popular {
        transform: scale(1);
    }
    
    .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
    }
}