/* ============================================
   Sandwich Delivery Website - Main Stylesheet
   Infographic System Design
   ============================================ */

/* CSS Variables */
:root {
    --primary-teal: #008080;
    --teal-light: #20B2AA;
    --teal-dark: #006666;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --dark-gray: #333333;
    --medium-gray: #666666;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--white);
    color: var(--dark-gray);
    line-height: 1.7;
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark-gray);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    color: var(--primary-teal);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--medium-gray);
}

a {
    color: var(--primary-teal);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--teal-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 15px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-teal);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-teal);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-teal);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-teal);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--dark-gray);
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-diagram {
    margin-top: 40px;
    padding: 40px;
    background-color: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.hero-diagram img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Main Content Sections */
main {
    padding: 60px 0;
}

.section {
    margin-bottom: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-teal);
}

/* Infographic Cards */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.info-card {
    background-color: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary-teal);
}

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

.info-card-icon {
    width: 60px;
    height: 60px;
    background-color: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--primary-teal);
}

.info-card h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.info-card p {
    color: var(--medium-gray);
    margin-bottom: 0;
}

/* Process Flow Diagram */
.process-flow {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 40px 0;
}

.process-step {
    background-color: var(--white);
    border: 2px solid var(--primary-teal);
    border-radius: 12px;
    padding: 25px 35px;
    text-align: center;
    min-width: 180px;
    transition: var(--transition);
}

.process-step:hover {
    background-color: var(--primary-teal);
    color: var(--white);
}

.process-step:hover h4,
.process-step:hover p {
    color: var(--white);
}

.process-step h4 {
    color: var(--primary-teal);
    margin-bottom: 8px;
    transition: var(--transition);
}

.process-step p {
    font-size: 0.9rem;
    margin-bottom: 0;
    transition: var(--transition);
}

.process-arrow {
    font-size: 2rem;
    color: var(--primary-teal);
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    background-color: var(--light-gray);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--dark-gray);
    transition: var(--transition);
}

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

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px 25px;
    max-height: 500px;
}

.faq-answer p {
    margin-bottom: 0;
}

/* Disclaimer Box */
.disclaimer {
    background-color: var(--light-gray);
    border-left: 4px solid var(--primary-teal);
    padding: 20px 25px;
    margin: 30px 0;
    border-radius: 0 8px 8px 0;
}

.disclaimer h4 {
    color: var(--primary-teal);
    margin-bottom: 10px;
}

.disclaimer p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.contact-info {
    background-color: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-teal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--dark-gray);
    margin-bottom: 5px;
}

.contact-details p {
    margin-bottom: 0;
}

/* Map Placeholder */
.map-container {
    background-color: var(--light-gray);
    border-radius: 12px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    margin-top: 40px;
}

/* Footer */
footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.highlight {
    color: var(--primary-teal);
    font-weight: 600;
}

/* Breadcrumb */
.breadcrumb {
    background-color: var(--light-gray);
    padding: 15px 0;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--medium-gray);
}

.breadcrumb span {
    color: var(--primary-teal);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--teal-dark) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 10px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

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

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        padding-top: 20px;
    }

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

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--light-gray);
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .process-flow {
        flex-direction: column;
    }

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

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .contact-info {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 50px 0;
    }

    .info-card {
        padding: 20px;
    }

    .process-step {
        min-width: 150px;
        padding: 20px;
    }
}

/* Print Styles */
@media print {
    header, footer, .menu-toggle {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .info-card, .contact-info {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}