/* ── GeoToDxf Landing Page ── */
:root {
    --bg-dark: #0d0d0d;
    --bg-card: #1a1a2e;
    --bg-header: #16213e;
    --bg-input: #0f3460;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --green: #2ecc71;
    --green-dark: #27ae60;
    --orange: #ff6b35;
    --cyan: #00d2ff;
    --text: #e0e0e0;
    --text-muted: #999;
    --text-bright: #fff;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,.4);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── NAV ── */
.topnav {
    background: var(--bg-header);
    border-bottom: 1px solid rgba(255,255,255,.06);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.topnav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 400;
}
.brand strong { color: var(--text-bright); font-weight: 600; }
.nav-right { display: flex; align-items: center; gap: 24px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
    color: var(--text-muted);
    font-size: .9rem;
    transition: color .2s;
}
.nav-links a:hover { color: var(--text-bright); }

/* Language selector */
.lang-selector { position: relative; }
.lang-btn {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.12);
    color: var(--text);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: .85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: border-color .2s;
}
.lang-btn:hover { border-color: var(--accent); }
.lang-arrow { font-size: .65rem; opacity: .6; }
.lang-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    min-width: 170px;
    z-index: 200;
}
.lang-menu.open { display: block; }
.lang-menu button {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: none;
    border: none;
    color: var(--text);
    font-size: .88rem;
    text-align: left;
    cursor: pointer;
    transition: background .15s;
}
.lang-menu button:hover { background: rgba(233,69,96,.15); }

/* ── HERO ── */
.hero {
    text-align: center;
    padding: 80px 0 60px;
}
.hero-badge {
    display: inline-block;
    background: var(--bg-card);
    border: 1px solid rgba(233,69,96,.3);
    color: var(--accent);
    font-size: .8rem;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 20px;
    margin-bottom: 24px;
    letter-spacing: .5px;
    text-transform: uppercase;
}
.hero h1 {
    font-size: 3.4rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 8px;
    letter-spacing: -1px;
}
.hero h1 .dot { color: var(--accent); }
.hero h2 {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 32px;
}
.hero-tagline {
    font-size: 1.05rem;
    color: var(--green);
    font-weight: 500;
    margin-bottom: 40px;
}
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}
.file-box {
    background: var(--bg-card);
    border: 2px solid rgba(255,255,255,.08);
    border-radius: var(--radius);
    padding: 20px 32px;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.file-box.geo { color: var(--orange); border-color: rgba(255,107,53,.3); }
.file-box.dxf { color: var(--cyan); border-color: rgba(0,210,255,.3); }
.arrow-icon {
    font-size: 2rem;
    color: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: .5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); }
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); }
.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid rgba(255,255,255,.15);
}
.btn-outline:hover { border-color: var(--accent); color: var(--text-bright); }
.btn-green {
    background: var(--green);
    color: #fff;
}
.btn-green:hover { background: var(--green-dark); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: .9rem; }

/* ── SECTION HEADINGS ── */
section { padding: 70px 0; }
.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 12px;
}
.section-sub {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 48px;
    font-size: 1rem;
}

/* ── COMPARISON ── */
.comparison {
    background: var(--bg-header);
    border-radius: var(--radius);
    padding: 48px;
}
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.compare-card {
    background: var(--bg-dark);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid rgba(255,255,255,.06);
}
.compare-card h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 700;
}
.compare-card.bad h3 { color: var(--accent); }
.compare-card.good h3 { color: var(--green); }
.compare-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.compare-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .95rem;
    line-height: 1.5;
}
.compare-card.bad li::before {
    content: "\2717";
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.compare-card.good li::before {
    content: "\2713";
    color: var(--green);
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ── FEATURES ── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,.06);
    transition: border-color .2s;
}
.feature-card:hover { border-color: rgba(233,69,96,.3); }
.feature-icon {
    font-size: 2.4rem;
    margin-bottom: 14px;
    display: block;
}
.feature-card h4 {
    color: var(--text-bright);
    font-size: 1rem;
    margin-bottom: 8px;
}
.feature-card p {
    color: var(--text-muted);
    font-size: .85rem;
}

/* ── CONVERTER ── */
.converter-section { background: rgba(26,26,46,.5); }
.converter-box {
    max-width: 640px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,.06);
}
.converter-counter {
    text-align: center;
    margin-bottom: 24px;
    font-size: .9rem;
    color: var(--text-muted);
}
.converter-counter strong { color: var(--green); }

/* Drop zone */
.drop-zone {
    border: 2px dashed rgba(233,69,96,.35);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all .25s;
    position: relative;
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(233,69,96,.06);
}
.drop-zone-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    display: block;
    opacity: .7;
}
.drop-zone-text {
    font-size: 1rem;
    color: var(--text-muted);
}
.drop-zone-text strong { color: var(--text-bright); }
.drop-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* Converting state */
.converting {
    text-align: center;
    padding: 32px;
    display: none;
}
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(233,69,96,.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .8s linear infinite;
    margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Result */
.convert-result {
    display: none;
    text-align: center;
}
.result-success {
    color: var(--green);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
}
.result-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 20px;
    text-align: left;
    margin: 16px 0 24px;
    padding: 16px;
    background: var(--bg-dark);
    border-radius: 8px;
    font-size: .88rem;
}
.result-meta span { color: var(--text-muted); }
.result-meta strong { color: var(--text-bright); }

.convert-error {
    display: none;
    text-align: center;
    color: var(--accent);
    padding: 16px;
}

/* Email gate */
.email-gate {
    display: none;
    text-align: center;
    padding: 24px;
}
.email-gate p {
    margin-bottom: 16px;
    color: var(--text-muted);
}
.email-row {
    display: flex;
    gap: 10px;
    max-width: 400px;
    margin: 0 auto;
}
.email-row input {
    flex: 1;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,.12);
    background: var(--bg-input);
    color: var(--text-bright);
    font-size: .95rem;
    outline: none;
}
.email-row input:focus {
    border-color: var(--accent);
}

/* Limit reached */
.limit-reached {
    display: none;
    text-align: center;
    padding: 24px;
}
.limit-reached p { color: var(--text-muted); margin-bottom: 16px; }

/* ── PRICING ── */
.pricing-card {
    max-width: 480px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    box-shadow: 0 0 40px rgba(233,69,96,.15);
}
.price-tag {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 4px;
}
.price-tag small { font-size: 1.2rem; font-weight: 400; color: var(--text-muted); }
.price-subtitle {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: .95rem;
}
.price-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
}
.price-features li {
    padding: 8px 0;
    font-size: .95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.price-features li::before {
    content: "\2713";
    color: var(--green);
    font-weight: 700;
    font-size: 1.1rem;
}
.roi-box {
    background: var(--bg-dark);
    border-radius: 8px;
    padding: 16px;
    margin-top: 24px;
    font-size: .88rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.roi-box strong { color: var(--green); }

/* ── FOOTER ── */
.site-footer {
    border-top: 1px solid rgba(255,255,255,.06);
    padding: 32px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: .85rem;
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--text-bright); }
.footer-links {
    margin-top: 8px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.footer-compat {
    margin-top: 12px;
    font-size: .8rem;
}
.footer-copy {
    margin-top: 10px;
    font-size: .78rem;
    color: rgba(255,255,255,.3);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .hero h2 { font-size: 1.05rem; }
    .comparison-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .comparison { padding: 28px 20px; }
    .converter-box { padding: 24px; }
    .nav-links { display: none; }
    .nav-right { gap: 0; }
}
@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .hero-visual { flex-direction: column; gap: 10px; }
    .hero h1 { font-size: 1.8rem; }
    .result-meta { grid-template-columns: 1fr; }
    .email-row { flex-direction: column; }
}