/**
 * Sydney Glass Pty Ltd - Main Stylesheet
 * Modern, clean, professional design
 */

/* ============================================
   CSS Variables (Brand Colors)
   ============================================ */
:root {
    --primary-color: hsla(177, 12.35%, 68.24%, 1);
    --primary-dark: hsla(177, 12.35%, 55%, 1);
    --primary-light: hsla(177, 12.35%, 75%, 1);
    --accent-blue: hsla(200, 60%, 50%, 1);
    --accent-green: hsla(150, 40%, 45%, 1);
    --accent-amber: hsla(45, 80%, 55%, 1);
    --dark-color: #1f2a2e;
    --charcoal: #2d3748;
    --charcoal-light: #3d4858;
    --light-color: #ffffff;
    --gray-light: #f7fafc;
    --gray-lighter: #f9fafb;
    --gray-color: #6b7280;
    --gray-medium: #9ca3af;
    --border-color: #e5e7eb;
    --text-primary: #1f2a2e;
    --text-secondary: #4a5568;
    --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);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-blue) 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
    background-color: var(--light-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    gap: 2rem;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--gray-light);
    color: var(--dark-color);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    color: var(--dark-color);
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 1.5rem;
    line-height: 1.2;
}

.logo-tagline {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-color);
    margin-top: 0.25rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex: 1;
    justify-content: flex-end;
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link.btn-primary {
    padding: 10px 20px;
    margin-left: 0.5rem;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

/* Dropdown Menu */
.nav-item-dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.75rem;
    transition: var(--transition);
    display: inline-block;
    color: var(--primary-color);
    margin-left: 0.25rem;
}

.nav-item-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--light-color);
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
    border: 1px solid var(--border-color);
}

.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    font-weight: 400;
    transition: var(--transition);
    font-size: 0.9375rem;
}

.dropdown-link:hover,
.dropdown-link.active {
    background-color: var(--gray-light);
    color: var(--primary-color);
    padding-left: 2rem;
}

.dropdown-link.active {
    font-weight: 500;
    border-left: 3px solid var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
    background-color: var(--primary-color);
    color: var(--dark-color);
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    border: none;
    cursor: pointer;
    display: inline-block;
    transition: var(--transition);
    text-align: center;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--light-color);
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    border: 2px solid var(--light-color);
    cursor: pointer;
    display: inline-block;
    transition: var(--transition);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
    background: var(--light-color);
    color: var(--dark-color);
    border-color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-shadow: none;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background-image: url('../../images/hero.jpg');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-color: var(--dark-color);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: var(--light-color);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(31, 42, 46, 0.4);
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(31, 42, 46, 0.3) 0%, 
        rgba(45, 55, 72, 0.2) 50%,
        rgba(177, 12.35%, 68.24%, 0.15) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--light-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero .tagline {
    font-size: 1.5rem;
    color: var(--primary-light);
    margin-bottom: 2rem;
    font-weight: 300;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.hero-buttons .btn-primary {
    background-color: var(--primary-color);
    color: var(--dark-color);
    border: 2px solid var(--primary-color);
}

.hero-buttons .btn-primary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
}

.hero-buttons .btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-buttons .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Content Sections
   ============================================ */
.content-section {
    padding: 80px 0;
}

.content-section.alt-bg,
.section.alt-bg {
    background: linear-gradient(135deg, var(--gray-lighter) 0%, var(--gray-light) 50%, rgba(177, 12.35%, 68.24%, 0.05) 100%);
    position: relative;
}

.section.alt-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-blue) 50%, var(--accent-green) 100%);
}

.grid {
    display: grid;
    gap: 2rem;
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.card {
    background: var(--light-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

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

.card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.card-with-image {
    overflow: hidden;
}

.card-with-image .card-image {
    margin: -2rem -2rem 1.5rem -2rem;
    width: calc(100% + 4rem);
    border-radius: 12px 12px 0 0;
}

/* ============================================
   Glass Types Grid
   ============================================ */
.glass-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.glass-item {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.glass-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    background: linear-gradient(135deg, var(--gray-lighter) 0%, var(--light-color) 100%);
}

/* ============================================
   Portfolio / Gallery Section
   ============================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    background: var(--light-color);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.portfolio-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(31, 42, 46, 0.9) 0%, transparent 100%);
    padding: 2rem;
    color: var(--light-color);
    transform: translateY(100%);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-item-overlay {
    transform: translateY(0);
}

.portfolio-item-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--light-color);
}

.portfolio-item-overlay p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.image-section {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-section img {
    width: 100%;
    height: auto;
    display: block;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(31, 42, 46, 0.7) 0%, rgba(45, 55, 72, 0.5) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.image-section:hover .image-overlay {
    opacity: 1;
}

.glass-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.glass-item p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ============================================
   Team Section
   ============================================ */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.team-member {
    text-align: center;
    background: var(--light-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.team-member-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--gray-light);
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
}

.team-member h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.team-member .role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

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

.faq-item {
    background: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-question {
    padding: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

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

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

/* ============================================
   Contact Form
   ============================================ */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.contact-info-item {
    margin-bottom: 2rem;
}

.contact-info-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.contact-info-item p,
.contact-info-item a {
    color: var(--text-secondary);
}

.contact-form {
    background: var(--gray-light);
    padding: 2.5rem;
    border-radius: 12px;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light-color);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(177, 12.35%, 68.24%, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: none;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 4rem 0 2rem;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--light-color);
}

.footer-section p {
    color: var(--gray-medium);
    line-height: 1.7;
}

.footer-section .tagline {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.footer-links li,
.footer-contact li,
.footer-hours li {
    margin-bottom: 0.75rem;
    color: var(--gray-medium);
}

.footer-links a,
.footer-contact a {
    color: var(--gray-medium);
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--primary-color);
}

.footer-hours li {
    display: flex;
    justify-content: space-between;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-medium);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .contact-section {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .logo-image {
        height: 40px;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .logo-tagline {
        font-size: 0.6875rem;
    }
    
    .social-links {
        margin-left: 0;
        gap: 0.75rem;
    }
    
    .social-link {
        width: 36px;
        height: 36px;
    }
    
    .social-link svg {
        width: 18px;
        height: 18px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--light-color);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-item-dropdown {
        width: 100%;
    }
    
    .nav-item-dropdown .nav-link {
        width: 100%;
        justify-content: space-between;
    }
    
    .dropdown-arrow {
        transform: rotate(-90deg);
    }
    
    .nav-item-dropdown.active .dropdown-arrow {
        transform: rotate(0deg);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0;
        margin: 0.5rem 0 0 1.5rem;
        background: var(--gray-light);
        border-radius: 4px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-item-dropdown.active .dropdown-menu {
        max-height: 300px;
    }
    
    .dropdown-link {
        padding: 0.75rem 1.5rem;
    }
    
    .dropdown-link:hover,
    .dropdown-link.active {
        padding-left: 2rem;
    }
    
    .nav-link.btn-primary {
        width: 100%;
        text-align: center;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero .tagline {
        font-size: 1.25rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 35px;
    }
    
    .logo-text {
        font-size: 1.125rem;
    }
    
    .logo-tagline {
        display: none; /* Hide tagline on very small screens */
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}