@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #F5F1EB;
    --text-color: #0F0F0F;
    --accent-color: #FF5A1F;
    --border-color: rgba(15, 15, 15, 0.2);
    --font-primary: 'Inter', sans-serif;
    --border-radius-pill: 9999px;
    --border-radius-card: 16px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.75rem; }
p { font-size: 1.125rem; margin-bottom: 1.5rem; color: rgba(15, 15, 15, 0.8); }

/* Layout & Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

/* Utilities */
.text-accent { color: var(--accent-color); }
.text-center { text-align: center; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.grid { display: grid; }
.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-pill);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--text-color);
    color: var(--bg-color);
}
.btn-primary:hover {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-color);
    border-color: var(--text-color);
}
.btn-outline:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.section-subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(245, 241, 235, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color var(--transition-speed);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-color);
    letter-spacing: -0.02em;
}

/* Hero Section */
.hero {
    padding-top: 10rem;
    padding-bottom: 6rem;
    text-align: center;
}

.hero h1 {
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.hero p {
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-card);
    transition: transform var(--transition-speed);
}
.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-color);
}
.service-num {
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(15, 15, 15, 0.5);
    margin-bottom: 1rem;
    display: block;
}

/* Selected Work */
.work-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.filter-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-pill);
    border: 1px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s;
}
.filter-btn.active, .filter-btn:hover {
    background: var(--text-color);
    color: var(--bg-color);
}
.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.work-card {
    border-radius: var(--border-radius-card);
    overflow: hidden;
    background: #fff;
}
.work-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: #e0dcd5;
}
.work-info {
    padding: 1.5rem;
}
.work-info h3 { margin-bottom: 0.25rem; font-size: 1.25rem; }
.work-info p { margin-bottom: 0; font-size: 0.875rem; }

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}
.process-step {
    padding-top: 2rem;
    border-top: 1px solid var(--text-color);
}
.process-step h3 {
    display: flex;
    gap: 1rem;
}
.process-step h3 span { color: rgba(15,15,15,0.4); }

/* Contact & Footer */
.contact-section {
    background-color: #fff;
    border-radius: 24px;
    padding: 4rem 2rem;
    margin-bottom: 4rem;
}
.contact-form {
    display: grid;
    gap: 1.5rem;
    max-width: 600px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg-color);
}
.form-group textarea {
    resize: vertical;
    min-height: 120px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-color);
}

footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}
.footer-links { list-style: none; display: flex; gap: 1rem; flex-wrap: wrap; }
.footer-links a { text-decoration: none; color: var(--text-color); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; } /* Mobile menu toggle logic later */
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .footer-grid { grid-template-columns: 1fr; }
}