/* GIANT GTR Tiltrotator - Global Stylesheet
   Following v3.0 plan visual specs: #F5A623 primary / #2C2C2C secondary / #1A1A1A dark / #F7F7F7 light */

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

:root {
    --color-primary: #F5A623;
    --color-secondary: #2C2C2C;
    --color-bg-white: #FFFFFF;
    --color-bg-light: #F7F7F7;
    --color-bg-dark: #1A1A1A;
    --color-text: #2C2C2C;
    --color-text-light: #666;
    --color-border: #E0E0E0;
    --color-hover: #E8980F;
    --font-stack: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    --max-width: 1200px;
    --radius: 8px;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

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

h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; line-height:1.2; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; line-height:1.3; }
h3 { font-size: 1.5rem; font-weight: 600; }
p { margin-bottom: 1em; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-hover); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ============ NAVBAR ============ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
    transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,0.1); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: 8px; font-size: 1.25rem; font-weight: 800; color: var(--color-secondary); letter-spacing: 0.5px; }
.nav-logo .logo-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; background: var(--color-secondary); color: var(--color-primary);
    border-radius: var(--radius); font-size: 1.1rem; font-weight: 800;
}
.nav-logo .logo-accent { color: var(--color-primary); }
.nav-menu { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-menu a { color: var(--color-text); font-weight: 500; font-size: 0.95rem; }
.nav-menu a:hover { color: var(--color-primary); }
.nav-cta {
    background: var(--color-primary); color: #fff !important; padding: 10px 24px;
    border-radius: var(--radius); font-weight: 600; font-size: 0.9rem; text-transform: uppercase;
    letter-spacing: 0.5px; transition: var(--transition);
}
.nav-cta:hover { background: var(--color-hover); transform: translateY(-1px); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 1.5rem; color: var(--color-secondary); }

/* ============ TOPBAR (utility contact bar above navbar) ============ */
.topbar {
    background: var(--color-bg-dark); color: #fff;
    font-size: 0.78rem; padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.topbar-contact { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.topbar a { color: #fff; display: inline-flex; align-items: center; gap: 6px; }
.topbar a:hover { color: var(--color-primary); }
.topbar svg { width: 13px; height: 13px; }

/* ============ BUTTONS ============ */
.btn {
    display: inline-block; padding: 14px 32px; border-radius: var(--radius);
    font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.5px;
    cursor: pointer; transition: var(--transition); border: 2px solid transparent; text-align: center;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: #fff; }
.btn-outline:hover { background: #fff; color: var(--color-secondary); }
.btn-dark { background: var(--color-secondary); color: #fff; }
.btn-dark:hover { background: #000; transform: translateY(-2px); color:#fff; }
.btn-lg { padding: 16px 40px; font-size: 1rem; }

/* ============ HERO ============ */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    color: #fff; padding: 140px 0 80px; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(circle at 80% 20%, rgba(245,166,35,0.12) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
    color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 500;
}
.hero-badge .dot { width: 6px; height: 6px; background: var(--color-primary); border-radius: 50%; }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero h1 .accent { color: var(--color-primary); display: block; }
.hero-subtitle { font-size: 1.2rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; max-width: 620px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-trust-item { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.7); font-size: 0.85rem; }
.hero-trust-item .icon { color: var(--color-primary); font-size: 1.1rem; }

/* ============ SECTION COMMON ============ */
.section { padding: 80px 0; }
.section-light { background: var(--color-bg-white); }
.section-gray { background: var(--color-bg-light); }
.section-dark { background: var(--color-bg-dark); color: #fff; }
.section-dark h2 { color: #fff; }
.section-eyebrow {
    display: inline-block; color: var(--color-primary); font-weight: 700;
    font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle { font-size: 1.1rem; color: var(--color-text-light); max-width: 720px; margin-bottom: 48px; }
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }
.text-center { text-align: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ============ PROBLEM CARDS ============ */
.problem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.problem-card {
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
    padding: 32px; transition: var(--transition); border-top: 4px solid #DC2626;
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.problem-card .icon { font-size: 2rem; margin-bottom: 16px; }
.problem-card h3 { color: var(--color-secondary); margin-bottom: 12px; font-size: 1.25rem; }
.problem-card p { color: var(--color-text-light); font-size: 0.95rem; margin: 0; }

/* ============ SOLUTION ============ */
.solution-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.solution-visual {
    background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%); border-radius: var(--radius);
    aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden; min-height: 360px;
}
.solution-visual::after {
    content: 'GTR-60'; position: absolute; color: rgba(245,166,35,0.15);
    font-size: 8rem; font-weight: 900; letter-spacing: -4px;
}
.solution-visual .product-placeholder {
    width: 70%; aspect-ratio: 1; background: radial-gradient(circle, rgba(245,166,35,0.2), transparent 70%);
    border: 2px dashed rgba(245,166,35,0.4); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.6); font-size: 0.9rem; text-align: center; padding: 24px;
}
.feature-list { list-style: none; }
.feature-item {
    display: flex; gap: 20px; padding: 24px; background: #fff; border: 1px solid var(--color-border);
    border-radius: var(--radius); margin-bottom: 16px; transition: var(--transition); border-left: 4px solid var(--color-primary);
}
.feature-item:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.feature-item .feature-icon { font-size: 2rem; flex-shrink: 0; }
.feature-item h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--color-secondary); }
.feature-item p { font-size: 0.95rem; color: var(--color-text-light); margin: 0; }
.feature-optional {
    margin-top: 24px; padding: 20px 24px; background: rgba(245,166,35,0.08);
    border: 1px solid rgba(245,166,35,0.2); border-radius: var(--radius);
    display: flex; gap: 16px; align-items: center;
}
.feature-optional .badge { background: var(--color-primary); color: #fff; padding: 4px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.feature-metric {
    display: inline-block; margin-top: 8px; padding: 3px 10px;
    background: rgba(245,166,35,0.12); color: var(--color-hover);
    border-radius: 100px; font-size: 0.78rem; font-weight: 600;
    letter-spacing: 0.02em;
}

/* ============ MODEL COMPARISON ============ */
.model-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.model-card {
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
    padding: 28px 20px; text-align: center; transition: var(--transition); position: relative; overflow: hidden;
}
.model-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--color-primary);
}
.model-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.model-card .model-name { font-size: 1.4rem; font-weight: 800; color: var(--color-secondary); margin-bottom: 4px; }
.model-card .model-ton { font-size: 0.9rem; color: var(--color-primary); font-weight: 600; margin-bottom: 20px; }
.model-card .spec-row { padding: 12px 0; border-top: 1px solid var(--color-border); }
.model-card .spec-label { font-size: 0.75rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.5px; }
.model-card .spec-value { font-size: 1.1rem; font-weight: 700; color: var(--color-secondary); margin-top: 4px; }

/* ============ ATTACHMENTS ============ */
.attach-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; }
.attach-card {
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
    padding: 28px 16px; text-align: center; transition: var(--transition);
}
.attach-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--color-primary); }
.attach-card .attach-icon { font-size: 2.5rem; margin-bottom: 12px; }
.attach-card .attach-name { font-size: 0.9rem; font-weight: 600; color: var(--color-secondary); }

/* ============ APPLICATIONS ============ */
.app-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.app-card {
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius);
    padding: 32px; transition: var(--transition); color: #fff;
}
.app-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.app-card .app-icon { font-size: 2rem; color: var(--color-primary); margin-bottom: 16px; }
.app-card h3 { color: #fff; font-size: 1.2rem; margin-bottom: 10px; }
.app-card p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin: 0; }

/* ============ SPECS TABLE ============ */
.specs-table-wrapper { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.specs-table { width: 100%; border-collapse: collapse; background: #fff; font-size: 0.9rem; min-width: 720px; }
.specs-table th, .specs-table td { padding: 14px 16px; text-align: center; border-bottom: 1px solid var(--color-border); }
.specs-table thead th { background: var(--color-secondary); color: #fff; font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.specs-table thead th:first-child { background: #000; }
.specs-table tbody td:first-child { background: var(--color-bg-light); font-weight: 600; text-align: left; color: var(--color-secondary); }
.specs-table tbody tr:hover td { background: rgba(245,166,35,0.04); }
.specs-table tbody tr:hover td:first-child { background: rgba(245,166,35,0.1); }

/* ============ WHY GIANT ============ */
.advantage-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.advantage-card {
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
    padding: 28px; transition: var(--transition); text-align: center;
}
.advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-primary); }
.advantage-card .adv-icon { font-size: 2rem; color: var(--color-primary); margin-bottom: 14px; }
.advantage-card h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--color-secondary); }
.advantage-card p { font-size: 0.9rem; color: var(--color-text-light); margin: 0; }

.autonomy-quote {
    margin-top: 48px; padding: 40px; background: var(--color-secondary); color: #fff;
    border-radius: var(--radius); text-align: center; font-size: 1.15rem; font-style: italic; position: relative;
}
.autonomy-quote::before { content: '\201C'; position: absolute; top: 10px; left: 30px; font-size: 4rem; color: var(--color-primary); opacity: 0.4; line-height:1; }

/* ============ TRADE SHOW ============ */
.tradeshow-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-hover) 100%);
    border-radius: var(--radius); padding: 48px; color: #fff; text-align: center; position: relative; overflow: hidden;
}
.tradeshow-banner::before { content: 'BICES 2023'; position: absolute; right: -20px; bottom: -30px; font-size: 8rem; font-weight: 900; color: rgba(255,255,255,0.1); letter-spacing: -4px; }
.tradeshow-banner h2 { color: #fff; position: relative; z-index: 1; }
.tradeshow-banner .highlight { font-size: 3rem; font-weight: 800; margin: 16px 0; position: relative; z-index: 1; }
.tradeshow-banner p { font-size: 1.1rem; position: relative; z-index: 1; max-width: 700px; margin: 0 auto; opacity: 0.95; }

/* ============ CTA SECTION ============ */
.cta-section {
    background: var(--color-primary); color: #fff; padding: 80px 0; text-align: center;
}
.cta-section h2 { color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.9); font-size: 1.1rem; margin-bottom: 32px; }
.cta-section .btn { background: var(--color-secondary); color: #fff; }
.cta-section .btn:hover { background: #000; }
.cta-contact { margin-top: 32px; font-size: 0.9rem; opacity: 0.9; }
.cta-contact a { color: #fff; text-decoration: underline; margin: 0 8px; }

/* ============ STATS BAR ============ */
.stats-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 24px; }
.stat-item { text-align: center; }
.stat-item .stat-number { font-size: 2.5rem; font-weight: 800; color: var(--color-primary); line-height: 1; }
.stat-item .stat-label { font-size: 0.85rem; color: var(--color-text-light); margin-top: 8px; text-transform: uppercase; letter-spacing: 1px; }
.section-dark .stat-item .stat-label { color: rgba(255,255,255,0.6); }

/* ============ TIMELINE ============ */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 120px; top: 0; bottom: 0; width: 2px; background: var(--color-primary); }
.timeline-item { display: flex; gap: 32px; margin-bottom: 40px; position: relative; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-year { flex-shrink: 0; width: 100px; text-align: right; font-size: 1.5rem; font-weight: 800; color: var(--color-primary); }
.timeline-content { flex: 1; padding-left: 40px; position: relative; }
.timeline-content::before { content: ''; position: absolute; left: -7px; top: 8px; width: 14px; height: 14px; background: var(--color-primary); border-radius: 50%; border: 3px solid #fff; box-shadow: 0 0 0 2px var(--color-primary); }
.timeline-content h3 { font-size: 1.1rem; color: var(--color-secondary); margin-bottom: 6px; }
.timeline-content p { font-size: 0.95rem; color: var(--color-text-light); margin: 0; }

/* ============ CERTIFICATIONS ============ */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.cert-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px; text-align: center; transition: var(--transition); }
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--color-primary); }
.cert-card .cert-badge { width: 60px; height: 60px; margin: 0 auto 14px; background: var(--color-secondary); color: var(--color-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 800; }
.cert-card h3 { font-size: 1rem; margin-bottom: 4px; color: var(--color-secondary); }
.cert-card .cert-cat { font-size: 0.8rem; color: var(--color-primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.cert-card p { font-size: 0.85rem; color: var(--color-text-light); margin: 0; }

/* ============ FORM ============ */
.form-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.rfq-form { background: #fff; padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--color-secondary); margin-bottom: 6px; }
.form-label .required { color: #DC2626; }
.form-control {
    width: 100%; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: 6px;
    font-size: 0.95rem; font-family: var(--font-stack); transition: var(--transition); background: #fff;
}
.form-control:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(245,166,35,0.15); }
select.form-control { cursor: pointer; }
textarea.form-control { min-height: 120px; resize: vertical; }
.form-check { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 20px; font-size: 0.85rem; color: var(--color-text-light); }
.form-check input { margin-top: 3px; }
.form-submit { width: 100%; padding: 16px; font-size: 1rem; }
.form-notice { margin-top: 16px; padding: 12px 16px; border-radius: 6px; font-size: 0.9rem; display: none; }
.form-notice.success { display: block; background: #ECFDF5; color: #065F46; border: 1px solid #10B981; }
.form-notice.error { display: block; background: #FEF2F2; color: #991B1B; border: 1px solid #DC2626; }

.contact-info { padding: 40px; background: var(--color-bg-light); border-radius: var(--radius); }
.contact-info h3 { color: var(--color-secondary); margin-bottom: 24px; }
.contact-item { display: flex; gap: 12px; margin-bottom: 20px; align-items: flex-start; }
.contact-item .icon { font-size: 1.2rem; color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.contact-item .label { font-size: 0.75rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.5px; }
.contact-item .value { font-size: 0.95rem; color: var(--color-secondary); font-weight: 500; word-break: break-word; }
.contact-hours { margin-top: 24px; padding: 16px; background: #fff; border-radius: 6px; border: 1px solid var(--color-border); }
.contact-hours h4 { font-size: 0.85rem; color: var(--color-secondary); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-hours p { font-size: 0.9rem; color: var(--color-text-light); margin: 0; }

/* ============ FAQ ============ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-question { padding: 20px 24px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; color: var(--color-secondary); font-size: 1rem; }
.faq-question .arrow { color: var(--color-primary); transition: var(--transition); font-size: 1.2rem; }
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner { padding: 0 24px 20px; color: var(--color-text-light); font-size: 0.95rem; }

/* ============ FOOTER ============ */
.footer { background: var(--color-bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand .logo .accent { color: var(--color-primary); }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.footer-col ul a:hover { color: var(--color-primary); }
.footer-bottom { padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; }
.footer-bottom a { color: rgba(255,255,255,0.6); }

/* ============ FLOATING WIDGETS ============ */
.floating-cta {
    position: fixed; bottom: 24px; right: 24px; z-index: 900; display: flex; flex-direction: column; gap: 10px;
}
.float-btn {
    width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: #fff; cursor: pointer; border: none; transition: var(--transition); box-shadow: var(--shadow-lg);
}
.float-btn:hover { transform: scale(1.1); }
.float-wa { background: #25D366; }
.float-mail { background: var(--color-primary); }

/* ============ ADMIN ============ */
.admin-login { max-width: 400px; margin: 120px auto 40px; padding: 40px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.admin-login h2 { text-align: center; margin-bottom: 8px; }
.admin-login p { text-align: center; color: var(--color-text-light); margin-bottom: 24px; font-size: 0.9rem; }
.admin-dashboard { padding: 100px 0 60px; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.admin-header h1 { font-size: 1.75rem; }
.admin-tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; border-bottom: 2px solid var(--color-border); }
.admin-tab { padding: 12px 24px; cursor: pointer; font-weight: 600; color: var(--color-text-light); border: none; background: none; border-bottom: 3px solid transparent; margin-bottom: -2px; transition: var(--transition); font-size: 0.95rem; }
.admin-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.inquiry-table { width: 100%; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.inquiry-table th, .inquiry-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; }
.inquiry-table thead th { background: var(--color-bg-light); font-weight: 600; color: var(--color-secondary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.inquiry-table tbody tr:hover { background: var(--color-bg-light); }
.status-badge { display: inline-block; padding: 4px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; }
.status-new { background: #DBEAFE; color: #1E40AF; }
.status-contacted { background: #FEF3C7; color: #92400E; }
.status-closed { background: #D1FAE5; color: #065F46; }
.admin-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin-bottom: 32px; }
.admin-stat-card { background: #fff; padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow); }
.admin-stat-card .num { font-size: 2rem; font-weight: 800; color: var(--color-primary); }
.admin-stat-card .lbl { font-size: 0.85rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
    .nav-menu { display: none; }
    .nav-toggle { display: block; }
    .nav-menu.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: #fff; padding: 16px 24px; box-shadow: var(--shadow); gap: 16px; }
    .solution-layout { grid-template-columns: 1fr; }
    .model-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
    .form-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .section { padding: 60px 0; }
    .hero { padding: 100px 0 60px; min-height: auto; }
    .form-row { grid-template-columns: 1fr; }
    .timeline::before { left: 20px; }
    .timeline-year { width: auto; text-align: left; font-size: 1.2rem; margin-bottom: 4px; }
    .timeline-item { flex-direction: column; gap: 4px; padding-left: 40px; }
    .timeline-content { padding-left: 0; }
    .timeline-content::before { left: -27px; }
    .footer-grid { grid-template-columns: 1fr; }
    .floating-cta { bottom: 16px; right: 16px; }
    .float-btn { width: 48px; height: 48px; font-size: 1.2rem; }
}