/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f9f9f9;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-accent: #4a7c59;
    --color-accent-hover: #3d6649;
    --color-border: #e0e0e0;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --max-width: 1200px;
    --header-height: 70px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

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

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 70px;
    width: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: color var(--transition);
}

.nav-link:hover {
    color: var(--color-accent);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* Hamburger animation when active */
.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===================================
   Hero Section (Video)
   =================================== */
.hero {
    padding-top: var(--header-height);
    background-color: var(--color-bg);
}

.video-container {
    position: relative;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.video-container iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.video-placeholder span {
    color: #4a7c59;
    font-size: 1.5rem;
    font-weight: 500;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-bg);
}

.about-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h1 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.3;
}

.about-text p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.about-text p:last-child {
    margin-bottom: 0;
}

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

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* About Page Specific Styles */
.about-page {
    padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-bg);
    min-height: calc(100vh - var(--header-height));
}

.about-page .about-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-page .about-text p {
    margin-bottom: var(--spacing-sm);
}

.email-btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-bg);
    background-color: var(--color-accent);
    border-radius: 6px;
    margin: var(--spacing-sm) 0;
    transition: background-color var(--transition), transform var(--transition);
}

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

.location-note {
    margin-top: var(--spacing-sm);
    color: var(--color-text-light);
    text-align: center;
}

@media (max-width: 768px) {
    .about-page .about-container {
        grid-template-columns: 1fr;
    }

    .about-page .about-text {
        order: 1;
    }

    .about-page .about-image {
        order: 2;
    }
}

/* ===================================
   Value Section (Cards)
   =================================== */
.value {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-bg-alt);
}

.value-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.value-container h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    align-items: stretch;
}

.card {
    background-color: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    flex: 1;
}

.card-image {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.card-image img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-bg);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-container h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.contact-container > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    text-align: left;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.1);
}

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

.submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-bg);
    background-color: var(--color-accent);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition);
}

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

.submit-btn:active {
    transform: translateY(0);
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.footer-container a {
    color: var(--color-text-light);
}

.footer-container a:hover {
    color: var(--color-accent);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet (768px and below) */
@media (max-width: 992px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }

    /* Mobile Navigation */
    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        padding: var(--spacing-md);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-list li:last-child .nav-link {
        border-bottom: none;
    }

    /* About Section */
    .about-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-text {
        order: 1;
    }

    .about-image {
        order: 2;
    }

    .about-text h1 {
        font-size: 1.75rem;
    }

    /* Cards */
    .cards {
        grid-template-columns: 1fr;
    }

    /* Section headings */
    .value-container h2,
    .contact-container h2 {
        font-size: 1.75rem;
    }
}

/* Small mobile (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
    }

    .header-container {
        padding: 0 var(--spacing-sm);
    }

    .logo img {
        height: 40px;
    }

    .video-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .about,
    .value,
    .contact {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .about-text h1 {
        font-size: 1.5rem;
    }

    .card {
        padding: var(--spacing-sm);
    }
}