:root {
    --ink: #1a1a1a;
    --concrete: #4b4f54;
    --concrete-light: #7a7f85;
    --line: #e0e0e0;
    --paper: #ffffff;
    --panel: #f4f4f2;
    --accent: #d95d2c;
    --accent-dark: #b3491f;
    --radius: 12px;
    --shadow: 0 20px 45px -25px rgba(26, 26, 26, 0.35);
    font-size: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.6;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1140px, calc(100% - 3rem));
    margin: 0 auto;
}

.eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin: 0 0 0.6rem;
}

h1, h2, h3 {
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 0.75rem;
}

h1 {
    font-size: clamp(2.1rem, 4vw, 3.2rem);
}

h2 {
    font-size: clamp(1.6rem, 2.6vw, 2.2rem);
}

p {
    margin: 0 0 1rem;
    color: var(--concrete);
}

.section-note {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--concrete-light);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}

.header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-text {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.logo.small .logo-text {
    font-size: 1rem;
}

.primary-nav ul {
    list-style: none;
    display: flex;
    gap: 1.75rem;
    margin: 0;
    padding: 0;
}

.primary-nav a {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--concrete);
}

.primary-nav a:hover {
    color: var(--ink);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.92rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease;
}

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

.btn.primary:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

.btn.ghost {
    border-color: var(--line);
    color: var(--ink);
    background: transparent;
}

.btn.ghost:hover {
    border-color: var(--concrete-light);
}

/* Hero */
.hero {
    padding: 4.5rem 0 3.5rem;
    background: linear-gradient(180deg, var(--panel) 0%, var(--paper) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.hero-visual {
    background: var(--ink);
    border-radius: var(--radius);
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.hero-visual .visual-card {
    text-align: center;
    color: #d9d9d9;
}

.hero-visual .tag {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
}

/* About */
.about {
    padding: 4rem 0;
}

.about-grid {
    max-width: 720px;
}

/* Services */
.services {
    padding: 4rem 0;
    background: var(--panel);
}

.section-heading {
    max-width: 640px;
    margin-bottom: 2.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.service-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
}

.service-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.service-card p {
    font-size: 0.9rem;
    margin: 0;
}

/* Projects */
.projects {
    padding: 4rem 0;
}

/* Contact */
.contact {
    padding: 4.5rem 0;
    background: var(--ink);
    color: #ddd;
}

.contact .eyebrow {
    color: var(--accent);
}

.contact h2 {
    color: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form label {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.contact-form input,
.contact-form textarea {
    font: inherit;
    padding: 0.7rem 0.9rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
}

.contact-form textarea {
    min-height: 110px;
    resize: vertical;
}

.contact-form .btn.primary {
    align-self: flex-start;
}

/* Footer */
.site-footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--line);
}

.footer-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-flex p {
    margin: 0.3rem 0 0;
    font-size: 0.82rem;
    color: var(--concrete-light);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--concrete);
}

/* Responsive */
@media (max-width: 860px) {
    .hero-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .menu-toggle {
        display: flex;
    }

    .primary-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--line);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.2s ease;
    }

    .primary-nav.open {
        max-height: 320px;
    }

    .primary-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0;
    }

    .primary-nav li {
        padding: 0.75rem var(--container-pad, 1.5rem);
    }
}