/* ===== CSS Variables ===== */
:root {
    --brown-dark: #3d2914;
    --brown-primary: #5c3d2e;
    --brown-medium: #7a5c4f;
    --brown-light: #a08679;
    --brown-pale: #d4c4bc;
    --brown-cream: #f5f0ed;
    --brown-accent: #8b5a2b;
    --white: #ffffff;
    --text-dark: #2c1810;
    --text-light: #f5f0ed;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-sm: 0 2px 4px rgba(61, 41, 20, 0.1);
    --shadow-md: 0 4px 12px rgba(61, 41, 20, 0.15);
    --shadow-lg: 0 8px 24px rgba(61, 41, 20, 0.2);
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--brown-cream);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--brown-dark);
    padding: 15px 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-bi,
.logo-vp {
    color: var(--brown-pale);
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--brown-pale);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-light);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background-color: var(--text-light);
    transition: var(--transition);
}

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

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

.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brown-dark) 0%, var(--brown-primary) 50%, var(--brown-medium) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(255,255,255,0.03) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--brown-pale);
    margin-bottom: 40px;
    font-weight: 300;
    line-height: 1.8;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--brown-pale);
    color: var(--brown-dark);
}

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

.btn-block {
    width: 100%;
}

/* ===== Section Styling ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brown-dark);
    margin-bottom: 15px;
}

.section-divider {
    width: 60px;
    height: 3px;
    background-color: var(--brown-accent);
    margin: 0 auto 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--brown-medium);
    font-weight: 300;
}

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--brown-medium);
    line-height: 1.8;
}

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

.about-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature {
    display: flex;
    gap: 20px;
    padding: 25px;
    background-color: var(--brown-cream);
    border-radius: 8px;
    transition: var(--transition);
}

.feature:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: var(--brown-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.2rem;
    color: var(--text-light);
}

.feature h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--brown-dark);
    margin-bottom: 8px;
}

.feature p {
    font-size: 0.95rem;
    color: var(--brown-medium);
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
    background-color: var(--brown-cream);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--brown-accent);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--brown-primary), var(--brown-medium));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.service-icon i {
    font-size: 2rem;
    color: var(--text-light);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--brown-dark);
    margin-bottom: 15px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--brown-medium);
    line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background-color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background-color: var(--brown-cream);
    border-radius: 8px;
    transition: var(--transition);
}

.contact-item:hover {
    background-color: var(--brown-pale);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--brown-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: var(--text-light);
}

.contact-details h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--brown-dark);
    margin-bottom: 8px;
}

.contact-details p {
    font-size: 0.95rem;
    color: var(--brown-medium);
    line-height: 1.6;
}

.contact-details a {
    color: var(--brown-primary);
}

.contact-details a:hover {
    color: var(--brown-accent);
}

/* ===== Contact Form ===== */
.contact-form-wrapper {
    background-color: var(--brown-cream);
    padding: 40px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    font-size: 1rem;
    font-family: var(--font-body);
    border: 2px solid var(--brown-pale);
    border-radius: 4px;
    background-color: var(--white);
    color: var(--text-dark);
    transition: var(--transition);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--brown-light);
}

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

/* ===== Footer ===== */
.footer {
    background-color: var(--brown-dark);
    padding: 30px 0;
    text-align: center;
}

.footer p {
    color: var(--brown-pale);
    font-size: 0.95rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--brown-dark);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: var(--transition);
    }
    
    .nav.active {
        max-height: 300px;
        padding: 20px 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .logo {
        font-size: 1.4rem;
    }
    
    .btn {
        padding: 12px 30px;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
    
    .feature {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
}