/* ============================================
   RTS Technology – Corporate Web Styles
   Brand: Electric blue, deep black, clean white
   ============================================ */

/* CSS Variables – Brand System */
:root {
    /* Primary Blue (from logo) */
    --blue-primary: #0066FF;
    --blue-hover: #ffffff;
    
    /* Dark Gradient (header, footer) */
    --dark-bg: #006079 0%;
    --dark-gradient: linear-gradient(135deg, #006079 0%, #1a1a24 100%);
    
    /* Neutral */
    --white: #ffffff;
    --grey-light: #f5f5f7;
    --grey-mid: #e8e8ed;
    --grey-text: #6b6b7b;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-backup: 'Poppins', var(--font-primary);
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.6;
    color: #2a2a2a;
    background: var(--white);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-primary);
    font-weight: 700;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.9375rem;
    text-decoration: none;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary {
    background: var(--blue-primary);
    color: var(--white);
    border: 2px solid var(--blue-primary);
}

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

.btn-outline {
    background: transparent;
    color: var(--blue-primary);
    border: 2px solid var(--blue-primary);
}

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

.btn-white {
    background: var(--white);
    color: var(--dark-bg);
    border: 2px solid var(--white);
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ============================================
   Header
   ============================================ */
.header {
    background: var(--dark-gradient);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1rem 0 1rem;
}

.header .logo {
    display: flex;
    align-items: flex-end;
    text-decoration: none;
    margin: 0;
    padding: 0;
    line-height: 0;
}

.logo-img {
    height: 90px;
    width: auto;
    display: block;
    vertical-align: bottom;
}

.header .logo-img {
    margin: 0;
    padding: 0;
}

.footer-brand .logo-img {
    height: 32px;
}

.header .nav {
    display: flex;
    align-items: flex-end;
    gap: 2rem;
    padding-bottom: 0.15rem;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
}

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

.nav a.btn {
    color: var(--white);
}

/* ============================================
   Section 1 – Hero
   ============================================ */
.hero {
    padding: 4rem 0 5rem;
    background: var(--white);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    color: var(--dark-bg);
}

.hero-subtext {
    font-size: 1.125rem;
    color: var(--grey-text);
    margin-bottom: 2rem;
    max-width: 32ch;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    position: relative;
    min-height: 320px;
}

.hero-gradient {
    width: 100%;
    height: 100%;
    min-height: 280px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(0, 102, 255, 0.02) 100%);
    border-radius: 8px;
}

/* ============================================
   Section 2 – Credibility Strip
   ============================================ */
.credibility {
    padding: 2rem 0;
    background: var(--grey-light);
}

.credibility-strip {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2.5rem;
}

.credibility-item {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dark-bg);
}

/* ============================================
   Section 3 – About
   ============================================ */
.about {
    padding: var(--section-padding);
    background: var(--white);
}

.about h2 {
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--grey-text);
    max-width: 65ch;
    margin: 0;
}

/* ============================================
   Section 4 – Services
   ============================================ */
.services {
    padding: var(--section-padding);
    background: var(--grey-light);
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 4px;
}

.service-card h3 {
    margin-bottom: 0.75rem;
    color: var(--dark-bg);
}

.service-card p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--grey-text);
}

/* ============================================
   Section 5 – Portfolio Preview
   ============================================ */
.portfolio-preview {
    padding: var(--section-padding);
    background: var(--white);
}

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

.portfolio-card {
    background: var(--white);
    border: 1px solid var(--grey-mid);
    border-radius: 4px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.portfolio-placeholder {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--grey-light);
    background-size: cover;
    background-position: center;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.portfolio-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.15));
    border-radius: 4px;
    pointer-events: none;
}

.portfolio-placeholder-text {
    position: relative;
    z-index: 1;
}

/* Portfolio category background images – add your images to images/portfolio/ */
.portfolio-bg-security {
    background-image: url('images/portfolio/security.jpg'), linear-gradient(135deg, #1e3a5f 0%, #334155 100%);
}

.portfolio-bg-farm-supply {
    background-image: url('images/portfolio/farm-supply.jpg'), linear-gradient(135deg, #166534 0%, #15803d 100%);
}

.portfolio-bg-plumbing {
    background-image: url('images/portfolio/plumbing.jpg'), linear-gradient(135deg, #0f766e 0%, #0d9488 100%);
}

.portfolio-bg-consulting {
    background-image: url('images/portfolio/consulting.jpg'), linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.portfolio-bg-school {
    background-image: url('images/portfolio/school.jpg'), linear-gradient(135deg, #1e3a5f 0%, #1e40af 100%);
}

.portfolio-bg-construction {
    background-image: url('images/portfolio/construction.jpg'), linear-gradient(135deg, #9a3412 0%, #c2410c 100%);
}

.portfolio-type {
    font-size: 0.8125rem;
    color: var(--grey-text);
    margin: 0.5rem 0 0 0;
}

/* ============================================
   Section 6 – Process
   ============================================ */
.process {
    padding: var(--section-padding);
    background: var(--grey-light);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.process-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 4px;
    text-align: center;
}

.process-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--blue-primary);
    margin-bottom: 0.5rem;
}

.process-card h3 {
    margin: 0;
    font-size: 1rem;
}

/* ============================================
   Quote / Contact Form
   ============================================ */
.quote-form {
    padding: var(--section-padding);
    background: var(--grey-light);
}

.quote-form .form {
    max-width: 480px;
}

.form-row {
    margin-bottom: 1.25rem;
}

.form-row label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--dark-bg);
}

.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    border: 1px solid var(--grey-mid);
    border-radius: 4px;
    background: var(--white);
}

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

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

/* ============================================
   Section 7 – CTA
   ============================================ */
.cta {
    padding: 4rem 0;
    background: var(--dark-gradient);
    text-align: center;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark-gradient);
    padding: 3rem 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand .logo {
    display: block;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    margin: 0;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9375rem;
}

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

/* ============================================
   Services Page
   ============================================ */
.page-hero {
    padding: 4rem 0 3rem;
    background: var(--white);
}

.page-hero h1 {
    margin-bottom: 0.75rem;
}

.page-hero-subtext {
    font-size: 1.125rem;
    color: var(--grey-text);
    margin: 0;
}

.services-overview {
    padding: var(--section-padding);
    background: var(--grey-light);
}

.services-overview-text {
    font-size: 1.0625rem;
    color: var(--grey-text);
    max-width: 65ch;
    margin: 0;
}

.packages {
    padding: var(--section-padding);
    background: var(--white);
}

.packages-intro {
    font-size: 1rem;
    color: var(--grey-text);
    margin: -1rem 0 2rem 0;
}

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

.pricing-card {
    background: var(--white);
    border: 1px solid var(--grey-mid);
    border-radius: 4px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.pricing-card-featured {
    border-color: var(--blue-primary);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.08);
}

.pricing-card h3 {
    margin-bottom: 0.5rem;
}

.pricing-card .price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--blue-primary);
    margin: 0 0 1.5rem 0;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    flex-grow: 1;
}

.pricing-card li {
    padding: 0.35rem 0;
    font-size: 0.9375rem;
    color: var(--grey-text);
    border-bottom: 1px solid var(--grey-light);
}

.pricing-card li:last-child {
    border-bottom: none;
}

.included {
    padding: var(--section-padding);
    background: var(--grey-light);
}

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

.included-grid ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.included-grid li {
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    color: var(--grey-text);
}

.included-grid li::before {
    content: "✓ ";
    color: var(--blue-primary);
    font-weight: 600;
}

.addons {
    padding: var(--section-padding);
    background: var(--white);
}

.addons-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem 3rem;
}

.addons-list li {
    font-size: 0.9375rem;
    color: var(--grey-text);
}

.maintenance {
    padding: var(--section-padding);
    background: var(--grey-light);
}

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

.maintenance-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 4px;
}

.maintenance-card h3 {
    margin-bottom: 0.5rem;
}

.maintenance-card .price {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--blue-primary);
    margin: 0 0 1rem 0;
}

.maintenance-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.maintenance-card li {
    padding: 0.35rem 0;
    font-size: 0.9375rem;
    color: var(--grey-text);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-section {
    padding: var(--section-padding);
    background: var(--grey-light);
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-form-wrap .form {
    max-width: 100%;
}

.contact-info h2,
.contact-form-wrap h2 {
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    color: var(--grey-text);
}

.contact-info a {
    color: var(--blue-primary);
    text-decoration: none;
}

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

@media (max-width: 768px) {
    .contact-inner {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   WhatsApp Floating Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 56px;
    height: 56px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 99;
    transition: transform 0.2s;
}

.whatsapp-float:hover {
    transform: scale(1.05);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtext {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual-img {
        min-height: 100px;
        width: 15%;
        height: 15%;
        display: flex;
        align-items: right;
        justify-content: right;
        background: var(--grey-light);
        border-radius: 8px;
        overflow: hidden;
        margin-top: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .included-grid {
        grid-template-columns: 1fr;
    }
    
    .addons-list {
        grid-template-columns: 1fr;
    }
    
    .maintenance-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .nav {
        gap: 1rem;
    }
    
    .header .nav a:not(.btn) {
        display: none;
    }
    
    .credibility-strip {
        flex-direction: column;
        align-items: center;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}