/* ===========================
    1. CSS Reset and Base Styles
   =========================== */

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

/* Root Variables for Consistent Theming */
:root {
    --primary-color: #2c3e50;      /* Dark slate */
    --secondary-color: #e8491d;    /* Bright orange */
    --accent-color: #cf3e13;       /* Darker orange */
    --background-color: #f5f7f9;   /* Neutral background */
    --white: #ffffff;
    --text-color: #333333;
    --heading-color: #2c3e50;
    --subheading-color: #555555;
    --max-width: 1200px;
    --transition-speed: 0.3s;
    --font-family: 'Roboto', sans-serif;
}

/* Base Typography */
body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    font-size: 1rem;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--heading-color);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

p {
    margin-bottom: 1.25rem;
    color: var(--subheading-color);
    line-height: 1.8;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover,
a:focus {
    color: var(--accent-color);
}

/* Container */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* ===========================
    2. Header Styles
   =========================== */

/* Header Styles */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.logo img {
    height: 50px;
    width: auto;
}

/* Navigation Styles */
.main-nav {
    display: flex;
    align-items: center;
    position: relative;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
}

.nav-list li {
    margin-left: 2rem;
}

.nav-list li a {
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-list li a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--secondary-color);
    transition: width var(--transition-speed) ease;
}

.nav-list li a:hover::after,
.nav-list li a:focus::after {
    width: 100%;
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-left: 1.5rem;
}

.nav-toggle-bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 2px;
    transition: background-color var(--transition-speed) ease;
}

.nav-toggle:hover .nav-toggle-bar,
.nav-toggle:focus .nav-toggle-bar {
    background-color: var(--secondary-color);
}

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

    .nav-list {
        position: absolute;
        top: 100%;
        right: 0;
        background-color: var(--white);
        width: 220px;
        padding: 1rem;
        border-radius: 5px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        display: none;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-list.nav-open {
        display: flex;
    }

    .nav-list li {
        margin-left: 0;
    }

    .nav-list li a {
        padding: 0.5rem 0;
    }
}

/* ===========================
    3. Hero Section Styles
   =========================== */

.hero {
    padding: 100px 20px 60px; /* Reduced padding for better mobile view */
    background-color: var(--white);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
}

.hero-content {
    text-align: left;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--subheading-color);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
    display: inline-block;
    font-weight: 500;
}

.btn-secondary:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-speed) ease;
}

.hero-image img:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .hero {
        padding: 80px 20px 40px;
    }

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

    .hero-content {
        text-align: center;
    }

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

    .hero-content p {
        font-size: 1rem;
    }

    .btn-secondary {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .hero-image img {
        margin-top: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 15px 30px;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .hero-content p {
        font-size: 0.95rem;
    }

    .btn-secondary {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* ===========================
    4. Services Section Styles
   =========================== */

.services-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

.services-section h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-align: left;
}

.services-section p {
    font-size: 1rem;
    margin-bottom: 3rem;
    color: var(--subheading-color);
    text-align: left;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    font-size: 1rem;
    color: var(--subheading-color);
    flex-grow: 1;
}

@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .service-card {
        padding: 1rem;
    }

    .service-card h3 {
        font-size: 1.25rem;
    }

    .service-card p {
        font-size: 0.95rem;
    }
}

/* ===========================
    5. Why OOH Section Styles
   =========================== */

.why-ooh-section {
    padding: 80px 0;
    background-color: var(--white);
}

.why-ooh-section h2 {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-align: left;
}

.ooh-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 10px;
    transition: transform var(--transition-speed) ease, background-color var(--transition-speed) ease;
    text-align: left;
}

.benefit:hover {
    transform: translateY(-5px);
    background-color: var(--white);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.benefit h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.benefit p {
    font-size: 1rem;
    color: var(--subheading-color);
}

@media (max-width: 768px) {
    .ooh-benefits {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .benefit {
        padding: 1rem;
    }

    .benefit h3 {
        font-size: 1.15rem;
    }

    .benefit p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .benefit {
        padding: 0.75rem;
    }

    .benefit h3 {
        font-size: 1rem;
    }

    .benefit p {
        font-size: 0.9rem;
    }
}

/* ===========================
    6. Steps Section Styles
   =========================== */

.steps-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

.steps-section h2 {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-align: center;
}

.steps-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
    padding: 0;
    text-align: left;
}

.steps-list li {
    background-color: var(--white);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 5px solid var(--secondary-color);
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.steps-list li:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.steps-list li strong {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .steps-list li {
        padding: 1rem;
    }

    .steps-section h2 {
        font-size: 2rem;
    }

    .steps-list li strong {
        font-size: 1.1rem;
    }

    .steps-list li {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .steps-section h2 {
        font-size: 1.75rem;
    }

    .steps-list li {
        padding: 0.75rem;
    }
}

/* ===========================
    7. Why Us Section Styles
   =========================== */

.why-us {
    padding: 80px 0;
    background-color: var(--white);
}

.why-us h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: left;
}

.features-grid {
    display: grid; /* Changed from flex to grid for better responsiveness */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    justify-content: center;
}

.feature {
    background-color: var(--background-color);
    padding: 2rem;
    border-radius: 10px;
    text-align: left;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, background-color var(--transition-speed) ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    background-color: var(--secondary-color);
    color: var(--white);
}

.feature .icon-container {
    text-align: center;
    margin-bottom: 1rem;
}

.feature .icon-container i {
    color: var(--secondary-color);
    transition: color var(--transition-speed) ease;
}

.feature:hover .icon-container i {
    color: var(--white);
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: inherit;
    text-align: left;
}

.feature p {
    font-size: 1rem;
    color: inherit;
    text-align: left;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .why-us h2 {
        font-size: 2.25rem;
    }

    .feature h3 {
        font-size: 1.25rem;
    }

    .feature p {
        font-size: 0.95rem;
    }

    .feature {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .why-us h2 {
        font-size: 2rem;
    }

    .feature h3 {
        font-size: 1.1rem;
    }

    .feature p {
        font-size: 0.9rem;
    }

    .feature {
        padding: 1rem;
    }
}

/* ===========================
    8. Contact Section Styles
   =========================== */

.contact-section {
    padding: 80px 0;
    background-color: var(--background-color);
    text-align: center;
}

.contact-section h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-align: center;
}

.contact-section p {
    font-size: 1rem;
    margin-bottom: 2rem;
    color: var(--subheading-color);
    text-align: center;
}

/* Contact Form Container */
.contact-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: left;
    margin: 0;
    max-width: 100%;
}

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

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 5px rgba(232, 73, 29, 0.5);
    outline: none;
}

.contact-form button {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
    margin-top: 1rem;
}

.contact-form button:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .contact-form {
        padding: 1.5rem;
    }

    .contact-form button {
        padding: 0.75rem;
        font-size: 1rem;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 0.6rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .contact-form {
        padding: 1rem;
    }

    .contact-form button {
        padding: 0.6rem;
        font-size: 0.95rem;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 0.6rem;
        font-size: 0.9rem;
    }
}

/* ===========================
    9. Footer Styles
   =========================== */

.site-footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer-content p {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--white);
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--white);
    font-size: 1rem;
    transition: color var(--transition-speed) ease;
}

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

@media (max-width: 768px) {
    .footer-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .footer-nav a {
        font-size: 0.95rem;
    }
}

/* ===========================
    10. Responsive Styles
   =========================== */

/* Additional responsive styles have been integrated into each section above */

/* ===========================
    11. Accessibility Enhancements
   =========================== */

/* Focus Styles for Keyboard Navigation */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px dashed var(--secondary-color);
    outline-offset: 4px;
}

/* Ensure sufficient contrast for links */
.nav-list li a {
    color: var(--text-color);
}

.nav-list li a:hover::after {
    background-color: var(--secondary-color);
}

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

/* ===========================
    12. Utility Classes
   =========================== */

/* Center Align Utility */
.text-center {
    text-align: center;
}

/* Margin Utilities */
.mt-1 {
    margin-top: 1rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

/* Padding Utilities */
.p-1 {
    padding: 1rem;
}

.p-2 {
    padding: 2rem;
}

/* ===========================
    13. Back to Top Button Styles
   =========================== */

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
    z-index: 1000;
}

#back-to-top:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

@media (max-width: 992px) {
    #back-to-top {
        bottom: 30px;
        right: 30px;
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    #back-to-top {
        bottom: 20px;
        right: 20px;
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}

/* ===========================
    14. Privacy Policy Specific Styles
   =========================== */

/* Collapsible Sections (Optional) */
.privacy-policy details {
    margin-bottom: 1rem;
}

.privacy-policy summary {
    font-size: 1.75rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--primary-color);
    padding: 0.5rem 0;
}

.privacy-policy details[open] summary {
    color: var(--secondary-color);
}

.privacy-policy details p,
.privacy-policy details ul {
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .privacy-policy h1 {
        font-size: 2rem;
    }

    .privacy-policy h2 {
        font-size: 1.75rem;
    }

    .privacy-policy h3 {
        font-size: 1.5rem;
    }

    .privacy-policy h4 {
        font-size: 1.25rem;
    }

    .privacy-policy p,
    .privacy-policy ul {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .privacy-policy h1 {
        font-size: 1.75rem;
    }

    .privacy-policy h2 {
        font-size: 1.5rem;
    }

    .privacy-policy h3 {
        font-size: 1.25rem;
    }

    .privacy-policy h4 {
        font-size: 1rem;
    }

    .privacy-policy p,
    .privacy-policy ul {
        font-size: 0.9rem;
    }
}