:root {
    /* Color Palette */
    --primary-color: #C4A484;
    /* Light Brown */
    --primary-dark: #A08060;
    --secondary-color: #333333;
    /* Dark Charcoal - Standard Text */
    --accent-color: #E8DCC0;
    /* Very Light Brown for backgrounds */
    --white: #FFFFFF;
    --off-white: #F9F9F9;
    --bg-color: #FFFFFF;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #E0E0E0;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition: all 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

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

.section-padding {
    padding: var(--spacing-xl) 0;
}

.text-center {
    text-align: center;
}

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

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

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

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

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-weight: 500;
    color: var(--secondary-color);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 90vh;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('https://placehold.co/1920x1080/e8dcc0/333333?text=Architecture+Studio');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-content h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.project-img {
    height: 250px;
    background-color: var(--accent-color);
    overflow: hidden;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-img img {
    transform: scale(1.05);
}

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

.project-info h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.project-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Features/Services */
.feature-card {
    padding: var(--spacing-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

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

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(196, 164, 132, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
/* Responsive Design */

/* Tablet & Smaller Desktops */
@media (max-width: 1024px) {
    .container {
        width: 95%;
    }

    .hero-content h1 {
        font-size: 3.2rem;
    }
}

/* Tablets & Mobile */
@media (max-width: 768px) {

    /* Header & Nav */
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md) 0;
        box-shadow: var(--shadow-md);
        text-align: center;
        gap: 0;
    }

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

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

    .nav-links a {
        display: block;
        padding: 15px 0;
        border-bottom: 1px solid var(--off-white);
    }

    .nav-links a::after {
        display: none;
        /* Remove underline animation on mobile */
    }

    .menu-toggle {
        display: block;
        color: var(--secondary-color);
    }

    /* Hero */
    .hero {
        height: 70vh;
        background-attachment: scroll;
        /* Fix background on mobile */
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    /* Sections */
    .section-padding {
        padding: var(--spacing-lg) 0;
    }

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

    .about-text,
    .about-img {
        width: 100%;
    }

    .about-img {
        margin-top: var(--spacing-md);
    }

    .footer-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* Mobile Phones */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
    }

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

    .btn {
        display: block;
        width: 100%;
        margin: 10px 0 0 0 !important;
        text-align: center;
    }

    /* Projects Grid - enforce 1 column on small screens */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .logo {
        font-size: 1.5rem;
    }
}