/* ===================================
   CSS Reset & Base Styles
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===================================
   CSS Custom Properties (Variables)
   =================================== */

:root {
    /* Colors - Dark Theme */
    --primary-color: #4da6ff;
    --primary-dark: #66b3ff;
    --secondary-color: #4dd4bf;
    --text-color: #e4e4e4;
    --text-light: #b0b0b0;
    --bg-light: #1e1e1e;
    --white: #121212;
    --border-color: #404040;
    --shadow: rgba(0, 0, 0, 0.4);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Typography */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ===================================
   Base Typography & Elements
   =================================== */

body {
    font-family: var(--font-main);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

ul {
    list-style: none;
}

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

/* ===================================
   Layout Components
   =================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ===================================
   Header & Navigation
   =================================== */

.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 4px var(--shadow);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: bold;
    margin: 0;
}

.main-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background-color 0.3s ease;
}

.main-nav a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    background: linear-gradient(rgba(13, 27, 42, 0.8), rgba(27, 38, 44, 0.85)), url('../images/thumbnail_IMG_3263.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-color);
    padding: var(--spacing-xl) 0;
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
}

.hero-content h2 {
    color: var(--text-color);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: #121212;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

/* ===================================
   Services Section
   =================================== */

.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.services h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px var(--shadow);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* ===================================
   About Section
   =================================== */

.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

.about h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* ===================================
   Photos Section
   =================================== */

.photos {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.photos h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.photo-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.photo-item {
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.photo-item:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px var(--shadow);
}

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

/* ===================================
   Contact Section
   =================================== */

.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

.contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    margin-top: var(--spacing-md);
}

.contact-details li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
}

.contact-details strong {
    color: var(--text-color);
}

/* Contact Form */

.contact-form {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    background-color: #1a1a1a;
    color: var(--text-color);
    transition: border-color 0.3s ease;
}

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

.submit-button {
    width: 100%;
    background-color: var(--primary-color);
    color: #121212;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-weight: bold;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: var(--primary-dark);
}

/* ===================================
   Footer
   =================================== */

.site-footer {
    background-color: #0d0d0d;
    color: var(--text-color);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.site-footer p {
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

/* ===================================
   Responsive Design - Tablet & Desktop
   =================================== */

@media (min-width: 768px) {
    .header-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr 1.5fr;
    }
}

@media (min-width: 1024px) {
    .hero-content h2 {
        font-size: 3rem;
    }

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

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