/* ================================================================
   3DCC DESIGN SYSTEM — Shared across all pages
   Aesthetic: Industrial Precision · Sky Blue accent
   Stack: CSS variables + Tailwind CDN for layout utilities
================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=IBM+Plex+Mono:wght@300;400;600&family=Barlow:wght@400;500;600;700&display=swap');

/* ── Theme Variables ─────────────────────────────────────────── */
:root {
    --bg:        #F2EDE6;
    --surface:   #E8E2D9;
    --surface-2: #DDD7CE;
    --accent:    #0EA5E9;
    --accent-dim:rgba(14,165,233,0.22);
    --text:      #0A0B0E;
    --muted:     #5C5A65;
    --border:    rgba(0,0,0,0.08);
    --border-h:  rgba(0,0,0,0.16);
    --nav-h:     64px;
    --r:         3px;
}
.dark {
    --bg:        #0A0B0E;
    --surface:   #12141A;
    --surface-2: #1C1F28;
    --text:      #E8E0D4;
    --muted:     #6B6875;
    --border:    rgba(255,255,255,0.07);
    --border-h:  rgba(255,255,255,0.15);
}

/* ── Reset & Base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Barlow', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a, button { cursor: pointer; }
img { max-width: 100%; height: auto; }

.visually-hidden {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Navigation ──────────────────────────────────────────────── */
#navbar {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-h);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}
#navbar.scrolled {
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(16px);
    border-bottom-color: var(--accent);
}
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo img { width: 34px; height: 34px; border-radius: var(--r); object-fit: cover; }
.nav-logo-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 22px; letter-spacing: 0.06em; color: var(--text);
    display: block; line-height: 1;
}
.nav-logo-sub {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 9px; letter-spacing: 0.22em; color: var(--accent);
    text-transform: uppercase; display: block; line-height: 1; margin-top: 2px;
}
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-link {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--muted); text-decoration: none;
    transition: color 0.2s; position: relative;
}
.nav-link::after {
    content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
    height: 1px; background: var(--accent);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.25s ease;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.nav-cta {
    background: var(--accent); color: #fff;
    padding: 8px 18px; border-radius: var(--r);
    font-family: 'IBM Plex Mono', monospace; font-size: 11px;
    letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 20px var(--accent-dim); }

.nav-theme {
    background: none; border: 1px solid var(--border);
    color: var(--muted); width: 30px; height: 30px;
    border-radius: var(--r); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.nav-theme:hover { border-color: var(--accent); color: var(--accent); }

/* Hamburger */
.hamburger {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span { width: 22px; height: 2px; background: var(--text); transition: all 0.3s; display: block; }

/* Mobile nav */
.nav-mobile {
    display: none; flex-direction: column;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 16px 24px; gap: 0;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
    font-family: 'IBM Plex Mono', monospace; font-size: 12px;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--muted); text-decoration: none;
    padding: 12px 0; border-bottom: 1px solid var(--border);
    transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--accent); }
.nav-mobile a:last-child { border-bottom: none; color: var(--accent); }

@media (max-width: 920px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
}

/* ── Mobile Enhancements ────────────────────────────────────── */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .section-header { margin-bottom: 36px; }
    .section-desc { font-size: 14px; margin-top: 10px; }

    .btn-primary, .btn-outline { padding: 12px 22px; font-size: 11px; width: 100%; justify-content: center; }
    .btn-white { padding: 14px 28px; font-size: 12px; margin-top: 28px; }

    .cbtn { padding: 14px 20px; font-size: 11px; }

    .footer-inner { flex-direction: column; text-align: center; gap: 8px; padding: 0 16px; }
    .footer-copy { font-size: 10px; }

    .wa-fab { width: 48px; height: 48px; bottom: 20px; right: 16px; }
    #backToTop { bottom: 76px; right: 16px; width: 38px; height: 38px; }

    .cookie-inner { flex-direction: column; padding: 16px; gap: 12px; }
    .cookie-text { font-size: 10px; min-width: unset; }
    .cookie-actions { width: 100%; }
    .cookie-accept { flex: 1; }

    .card { padding: 20px; }
}

/* ── Section Headers ─────────────────────────────────────────── */
.section-tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px; letter-spacing: 0.32em; text-transform: uppercase;
    color: var(--accent); display: flex; align-items: center; gap: 10px;
    margin-bottom: 14px;
}
.section-tag::before { content: ''; width: 20px; height: 1px; background: var(--accent); }
.section-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(42px, 5vw, 68px); line-height: 1;
    letter-spacing: 0.02em; color: var(--text);
}
.section-desc {
    font-size: 16px; color: var(--muted);
    max-width: 520px; margin-top: 14px; line-height: 1.75;
}
.section-header { margin-bottom: 56px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
    background: var(--accent); color: #fff;
    padding: 14px 30px; border-radius: var(--r);
    font-family: 'IBM Plex Mono', monospace; font-size: 12px;
    letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; font-weight: 600;
    transition: all 0.25s; display: inline-flex; align-items: center; gap: 8px;
    border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 28px var(--accent-dim); }

.btn-outline {
    background: transparent; color: var(--text);
    padding: 13px 30px; border-radius: var(--r);
    border: 1px solid var(--border-h);
    font-family: 'IBM Plex Mono', monospace; font-size: 12px;
    letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; transition: all 0.25s;
    display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline:hover { border-color: var(--text); transform: translateY(-3px); }

.btn-white {
    display: inline-flex; align-items: center; gap: 10px;
    background: #fff; color: var(--accent);
    padding: 16px 36px; border-radius: var(--r); margin-top: 40px;
    font-family: 'IBM Plex Mono', monospace; font-size: 13px;
    letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; font-weight: 600; transition: all 0.25s;
}
.btn-white:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(0,0,0,0.22); }

/* Contact buttons */
.cbtn {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    padding: 15px 28px; border-radius: var(--r);
    font-family: 'IBM Plex Mono', monospace; font-size: 12px;
    letter-spacing: 0.1em; text-transform: uppercase;
    text-decoration: none; font-weight: 600;
    transition: all 0.22s; border: 1px solid transparent;
}
.cbtn-accent { background: var(--accent); color: #fff; }
.cbtn-accent:hover { transform: translateY(-2px); box-shadow: 0 6px 22px var(--accent-dim); }
.cbtn-border { background: transparent; color: var(--text); border-color: var(--border-h); }
.cbtn-border:hover { border-color: var(--text); transform: translateY(-2px); }
.cbtn-wa { background: #25D366; color: #fff; }
.cbtn-wa:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(37,211,102,0.35); }

/* ── Footer ──────────────────────────────────────────────────── */
footer.site-footer {
    background: var(--bg); border-top: 1px solid var(--border); padding: 36px 0;
}
.footer-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
}
.footer-copy {
    font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted);
}
.footer-link { color: var(--accent); text-decoration: none; }
.footer-link:hover { text-decoration: underline; }

/* ── Floating Elements ───────────────────────────────────────── */
#backToTop {
    position: fixed; bottom: 88px; right: 24px;
    width: 42px; height: 42px; background: var(--surface);
    border: 1px solid var(--border-h); color: var(--muted);
    border-radius: var(--r); display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all 0.3s;
    opacity: 0; pointer-events: none; z-index: 50;
}
#backToTop:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-3px); }
#backToTop.visible { opacity: 1; pointer-events: auto; }

.wa-fab {
    position: fixed; bottom: 24px; right: 24px;
    width: 52px; height: 52px; background: #25D366;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    z-index: 50; transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 18px rgba(37,211,102,0.45); text-decoration: none;
}
.wa-fab:hover { transform: scale(1.1); box-shadow: 0 6px 26px rgba(37,211,102,0.65); }

/* ── Cookie / Terms Banner ───────────────────────────────────── */
#cookieBanner {
    position: fixed; bottom: -100%; left: 0; right: 0;
    background: var(--surface); border-top: 2px solid var(--accent);
    z-index: 200; transition: bottom 0.5s cubic-bezier(0.4,0,0.2,1);
}
#cookieBanner.visible { bottom: 0; }
.cookie-inner {
    max-width: 1200px; margin: 0 auto; padding: 18px 24px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; flex-wrap: wrap;
}
.cookie-text {
    font-family: 'IBM Plex Mono', monospace; font-size: 11px;
    color: var(--muted); flex: 1; min-width: 220px;
}
.cookie-text a { color: var(--accent); }
.cookie-actions { display: flex; gap: 8px; }
.cookie-accept {
    background: var(--accent); color: #fff; border: none;
    padding: 8px 18px; border-radius: var(--r);
    font-family: 'IBM Plex Mono', monospace; font-size: 11px;
    letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer;
    transition: all 0.2s;
}
.cookie-accept:hover { transform: translateY(-1px); }
.cookie-close {
    background: var(--surface-2); color: var(--muted); border: none;
    width: 34px; height: 34px; border-radius: var(--r); cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: all 0.2s;
}
.cookie-close:hover { background: var(--border-h); }

/* ── Scroll Animations ───────────────────────────────────────── */
.fade-up {
    opacity: 0; transform: translateY(22px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.in { opacity: 1; transform: translateY(0); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ── Content Sections (for inner pages using Tailwind) ───────── */
.page-content {
    padding-top: var(--nav-h);
    min-height: 100vh;
}

/* Accent color utilities for Tailwind-mixed pages */
.text-accent-var { color: var(--accent); }
.bg-accent-var { background: var(--accent); }
.border-accent-var { border-color: var(--accent); }
.bg-bg-var { background: var(--bg); }
.bg-surface-var { background: var(--surface); }
.bg-surface-2-var { background: var(--surface-2); }
.text-text-var { color: var(--text); }
.text-muted-var { color: var(--muted); }
.border-border-var { border-color: var(--border); }

/* ── Contact shared styles ───────────────────────────────────── */
.contact-icon {
    width: 42px; height: 42px; background: var(--surface-2);
    border-radius: var(--r); display: flex; align-items: center; justify-content: center;
    color: var(--accent); flex-shrink: 0;
}
.contact-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 9px; letter-spacing: 0.24em; text-transform: uppercase;
    color: var(--muted); margin-bottom: 5px;
}
.contact-value {
    font-size: 15px; color: var(--text); font-weight: 500; text-decoration: none;
    transition: color 0.2s;
}
a.contact-value:hover { color: var(--accent); }

/* ── Card base ───────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
    transition: all 0.3s;
}
.card:hover {
    border-color: var(--border-h);
}