/* Main CSS - BEM Methodology */

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

/* Section Padding */
.section-padding {
    padding: 96px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 64px 0;
    }
}

/* Typography Utilities */
.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 48px;
    text-align: center;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 32px;
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-heading);
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn--primary:hover {
    background-color: transparent;
    color: var(--color-primary);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-text);
    /* Changed to text color for better visibility on light bg */
    border: 2px solid var(--color-text);
}

.btn--secondary:hover {
    background-color: var(--color-text);
    color: var(--color-white);
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    /* Slight transparency */
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: height 0.3s ease;
    display: flex;
    align-items: center;
}

.site-header.scrolled {
    height: var(--header-height-scrolled);
}

.site-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.site-title a {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.5px;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    gap: 32px;
}

.primary-menu-container ul {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.primary-menu-container ul li a {
    font-weight: 500;
    font-size: 16px;
    position: relative;
    color: var(--color-text);
}

.primary-menu-container ul li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.primary-menu-container ul li a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    padding: 180px 0 120px;
    /* Account for fixed header */
    background-color: var(--color-bg);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-text);
}

.hero-title .highlight {
    color: var(--color-primary);
    display: block;
}

.hero-subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 48px;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 42px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--color-white);
    padding: 48px 32px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary);
}

.service-title {
    font-size: 24px;
    margin-bottom: 16px;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 32px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.portfolio-thumbnail img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-thumbnail img {
    transform: scale(1.05);
}

.portfolio-title {
    margin-top: 16px;
    font-size: 20px;
    font-weight: 600;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: background-color 0.3s ease;
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform 0.3s ease, top 0.3s ease;
}

.hamburger-icon::before {
    top: -8px;
}

.hamburger-icon::after {
    top: 8px;
}

.menu-toggle[aria-expanded="true"] .hamburger-icon {
    background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

@media (max-width: 768px) {
    .primary-menu-container {
        display: none;
        /* Hidden by default on mobile */
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 2rem;
        z-index: 999;
    }

    .primary-menu-container.active {
        display: flex;
    }

    .primary-menu-container ul {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }

    .menu-toggle {
        display: block;
    }

    .header-cta {
        display: none;
    }
}

/* Footer */
.site-footer {
    background-color: #f1f1f1;
    padding: 80px 0 32px;
    margin-top: 0;
    /* Removed margin since sections have padding */
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 64px;
}

.footer-heading {
    font-size: 18px;
    margin-bottom: 24px;
    color: var(--color-text);
    font-weight: 700;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.site-info {
    text-align: center;
    border-top: 1px solid #ddd;
    padding-top: 32px;
    font-size: 14px;
    color: #666;
}