/* ============================================================
   DAVNIC GROUP — Shared Stylesheet
   Theme: Dark Industrial
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Urbanist:wght@300;400;500;600;700&family=Big+Shoulders+Display:wght@400;500;600;700;800;900&display=swap');

:root {
    --bg-primary:    #0C0C0C;
    --bg-secondary:  #141414;
    --bg-card:       #1C1C1C;
    --bg-card-hover: #242424;
    --accent:        #C8973A;
    --accent-hover:  #B07E28;
    --text-primary:  #F2F2F2;
    --text-secondary:#9E9E9E;
    --text-muted:    #5C5C5C;
    --border:        rgba(200, 151, 58, 0.2);
    --border-light:  rgba(200, 151, 58, 0.4);
    --gap-fill:      #141414;
    --max-width:     1200px;
    --radius:        4px;
    --transition:    0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Urbanist', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── Typography ── */
h1, h2, h3, h4 {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 0.01em;
}
h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.1rem; font-family: 'Space Grotesk', sans-serif; font-weight: 600; }

p { color: #C8C8C8; line-height: 1.6; letter-spacing: -0.01em; }

hr {
    border: none;
    border-top: 1px solid var(--accent);
    opacity: 0.5;
    margin: 2rem 0;
}

.eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: 0.75rem;
}

/* ── Layout ── */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

section { padding: 5rem 0; }

.section-header {
    margin-bottom: 3.5rem;
}
.section-header h2 { margin-bottom: 1rem; }
.section-header p { max-width: 560px; font-size: 1.05rem; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: #0C0C0C;
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Navigation ── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(12, 12, 12, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

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

.nav-logo {
    font-family: 'Big Shoulders Display', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}
.nav-logo span { color: var(--accent); }
.nav-logo img {
    height: 60px;
    width: auto;
    display: block;
}
.nav-logo iframe {
    height: 200px;
    width: 480px;
    border: none;
    display: block;
    background: transparent;
    pointer-events: none;
}
.footer-logo img {
    height: 120px;
    width: auto;
    display: block;
    margin-bottom: 1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}
.nav-links a {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary); }

.nav-cta { margin-left: 1rem; }

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
}

/* ── Mobile Nav ── */
.nav-mobile {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    z-index: 999;
}
.nav-mobile.open { display: block; }
.nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.nav-mobile ul a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}
.nav-mobile .btn { width: 100%; justify-content: center; margin-top: 1rem; }

/* ── Hero ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-primary);
    padding-top: 120px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(200,151,58,0.04) 0%, transparent 50%),
        linear-gradient(to bottom, transparent 60%, rgba(12,12,12,0.9) 100%);
    z-index: 1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero-content h1 { margin-bottom: 1.5rem; }
.hero-content p { font-size: 1.15rem; margin-bottom: 2.5rem; max-width: 540px; }

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}

.hero-stat-value {
    font-family: 'Big Shoulders Display', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}
.hero-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.25rem;
}

/* ── Page Hero (inner pages) ── */
.page-hero {
    padding: 9rem 0 5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}
.page-hero h1 { margin-bottom: 1rem; font-size: clamp(2.2rem, 4vw, 3.5rem); }
.page-hero p { font-size: 1.1rem; max-width: 540px; }

/* ── Services Grid ── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5px;
    background: var(--gap-fill);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.service-card {
    background: var(--bg-card);
    padding: 2.5rem;
    transition: background var(--transition);
    position: relative;
}
.service-card:hover { background: var(--bg-card-hover); }

.service-icon {
    width: 48px;
    height: 48px;
    background: rgba(200,151,58,0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent);
    font-size: 1.25rem;
}

.service-card h3 { font-size: 1.4rem; margin-bottom: 0.75rem; }
.service-card p { font-size: 0.95rem; margin-bottom: 1.5rem; }
.service-card .link {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap var(--transition);
}
.service-card .link:hover { gap: 0.7rem; }

/* ── Wall Types Grid ── */
.wall-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}
.wall-type-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: border-color var(--transition), background var(--transition);
}
.wall-type-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}
.wall-type-card h4 { margin-bottom: 0.5rem; }
.wall-type-card p { font-size: 0.9rem; }

/* ── Why Section ── */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.why-features { display: flex; flex-direction: column; gap: 2rem; }
.why-feature {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}
.why-feature-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(200,151,58,0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
}
.why-feature h4 { margin-bottom: 0.35rem; }
.why-feature p { font-size: 0.95rem; }

.why-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.why-stat {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.why-stat:last-child { border-bottom: none; padding-bottom: 0; }
.why-stat-value {
    font-family: 'Big Shoulders Display', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}
.why-stat-label { font-size: 0.9rem; color: var(--text-secondary); margin-top: 0.25rem; }

/* ── CTA Band ── */
.cta-band {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 5rem 0;
}
.cta-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}
.cta-band h2 { max-width: 500px; }
.cta-band-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── About Content ── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}
.about-text p { margin-bottom: 1.25rem; }
.about-text p:last-child { margin-bottom: 0; }

.about-values {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--gap-fill);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.about-value {
    background: var(--bg-card);
    padding: 1.75rem 2rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    transition: background var(--transition);
}
.about-value:hover { background: var(--bg-card-hover); }
.about-value-num {
    font-family: 'Big Shoulders Display', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    min-width: 2rem;
    line-height: 1.2;
}

/* ── Contact ── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 4rem;
    align-items: start;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.contact-item-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(200,151,58,0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}
.contact-item h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 0.35rem; }
.contact-item p { font-size: 1rem; color: var(--text-primary); }
.contact-item a { color: var(--text-primary); transition: color var(--transition); }
.contact-item a:hover { color: var(--accent); }

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
}
.contact-form h3 { margin-bottom: 0.5rem; }
.contact-form > p { margin-bottom: 2rem; font-size: 0.95rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: 'Urbanist', sans-serif;
    font-size: 0.95rem;
    padding: 0.8rem 1rem;
    transition: border-color var(--transition);
    outline: none;
    width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-submit { width: 100%; justify-content: center; margin-top: 0.5rem; font-size: 0.875rem; }

.input-error {
    border-color: #e05252 !important;
    outline-color: #e05252;
}
.field-error {
    display: block;
    font-size: 0.78rem;
    color: #e05252;
    margin-top: 0.25rem;
    min-height: 1rem;
}
.field-hint {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.form-success {
    display: none;
    background: rgba(200,151,58,0.1);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    color: var(--accent);
    font-size: 0.9rem;
    margin-top: 1rem;
    text-align: center;
}

/* ── Footer ── */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 3.5rem 0 2rem;
}
.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-brand p { font-size: 0.9rem; margin-top: 0.75rem; max-width: 280px; }
.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col ul a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--text-primary); }
.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

/* ── Divider ── */
.divider {
    height: 1px;
    background: var(--border);
    margin: 0;
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links, .nav-cta { display: none; }
    .nav-hamburger { display: flex; }

    .why-grid,
    .about-grid,
    .contact-grid { grid-template-columns: 1fr; gap: 3rem; }

    .hero-stats { gap: 2rem; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .cta-band-inner { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    section { padding: 3.5rem 0; }
    .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
    .services-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { justify-content: center; }
}