/* =========================================================
   Beam Associates, LLC Design System (2024 Rebuild)
   Palette from redesign blueprint: Deep blue + cool blue + efficiency green
   Typography: Poppins (display), Inter (body), JetBrains Mono (data)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;600&family=Poppins:wght@600;700&display=swap');

:root {
    /* Core palette */
    --primary: #1E3A5F;
    --primary-strong: #152742;
    --primary-light: #2D5A8A;
    --cool-blue: #0EA5E9;
    --cool-light: #E0F2FE;
    --efficiency: #059669;
    --efficiency-light: #D1FAE5;
    --surface: #FFFFFF;
    --surface-alt: #F8FAFC;
    --border: #E2E8F0;
    --border-strong: #CBD5E1;
    --text: #0F172A;
    --text-muted: #64748B;

    /* Shadow + radius */
    --shadow-soft: 0 6px 18px rgba(15, 23, 42, 0.08);
    --shadow-strong: 0 16px 32px rgba(15, 23, 42, 0.14);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --radius-full: 999px;

    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 32px;
    --space-8: 40px;
    --space-9: 48px;
    --space-10: 64px;

    --max-width: 1240px;
    --transition: 0.25s ease;
}

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

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--surface-alt);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    margin: 0 0 var(--space-4);
    color: var(--primary);
    line-height: 1.15;
}

h1 { font-size: 44px; letter-spacing: -0.6px; }
h2 { font-size: 32px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }

p { margin: 0 0 var(--space-4); color: var(--text-muted); }
a { color: var(--cool-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }

img { max-width: 100%; display: block; border-radius: var(--radius-md); }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

section { padding: var(--space-10) 0; }

/* ===========================
   Header & Navigation
   =========================== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.utility-bar {
    background: var(--primary);
    color: #e2e8f0;
    font-size: 13px;
    padding: 10px 0;
}

.utility-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.utility-left,
.utility-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.utility-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-weight: 600;
}

.navbar { padding: var(--space-4) 0; }

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
}

.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--cool-light);
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 0.5px;
}

.nav-group {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin: 0;
    padding: 0;
}

.nav-item { position: relative; }

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    color: var(--text);
    font-weight: 600;
}

.nav-link:hover,
.nav-link.active {
    background: var(--cool-light);
    color: var(--primary);
}

.nav-link .caret {
    font-size: 10px;
    color: var(--text-muted);
}

.mobile-only { display: none; }

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    min-width: 230px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
    padding: var(--space-3) 0;
    z-index: 20;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: var(--space-3) var(--space-5);
    color: var(--text);
    font-weight: 500;
}

.dropdown-menu a:hover {
    background: var(--cool-light);
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
}

.hamburger span {
    width: 26px;
    height: 3px;
    background: var(--primary);
    border-radius: 12px;
    transition: var(--transition);
}

/* ===========================
   Buttons & Badges
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: 700;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-strong);
    box-shadow: var(--shadow-soft);
}

.btn-secondary {
    background: var(--surface);
    color: var(--primary);
    border-color: var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-soft);
}

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

.btn-large { padding: var(--space-4) var(--space-7); font-size: 18px; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--cool-light);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.4px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(14, 165, 233, 0.12);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-weight: 700;
}

/* ===========================
   Hero
   =========================== */
.hero {
    padding: var(--space-10) 0;
    background: linear-gradient(110deg, rgba(30,58,95,0.08), rgba(14,165,233,0.12));
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    align-items: center;
}

.hero-title { margin-bottom: var(--space-4); }
.hero-subtitle { font-size: 18px; color: var(--text-muted); margin-bottom: var(--space-6); max-width: 640px; }

.hero-meta {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    color: var(--text-muted);
}

.hero-media {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    min-height: 360px;
}

.hero-media img { height: 100%; width: 100%; object-fit: cover; }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(30,58,95,0.42), rgba(30,58,95,0));
}

.page-hero {
    background: var(--primary);
    color: #fff;
    padding: var(--space-9) 0;
}

.page-hero h1 { color: #fff; margin-bottom: var(--space-3); }
.page-hero p { color: rgba(255,255,255,0.9); max-width: 760px; }

/* ===========================
   Layout Primitives
   =========================== */
.section-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.section-header p { max-width: 780px; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-soft);
}

.card h3 { margin-bottom: var(--space-2); }

.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.product-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong); }

.product-card img { width: 100%; height: 220px; object-fit: cover; }

.product-card .content {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    flex: 1;
}

.product-card .meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-muted);
    font-size: 14px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--cool-light);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--primary);
    font-weight: 700;
}

.feature-card {
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: var(--space-3);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: var(--cool-light);
    color: var(--primary);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 26px;
}

.stat-row { display: flex; gap: var(--space-5); flex-wrap: wrap; }

.stat {
    display: grid;
    gap: 4px;
}

.stat strong { font-size: 26px; color: var(--primary); }

.metrics-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
    padding: var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.metric {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: var(--surface-alt);
    border: 1px solid var(--border);
    display: grid;
    gap: 6px;
}

.metric .label { color: var(--text-muted); font-weight: 600; font-size: 14px; }
.metric .value { font-size: 22px; font-weight: 800; color: var(--primary); }

.industries {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.tab-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--cool-light);
}

.tab-button {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    font-weight: 700;
    color: var(--text);
    transition: var(--transition);
}

.tab-button[aria-selected="true"] {
    background: var(--surface);
    border-color: var(--border);
    color: var(--primary);
    box-shadow: var(--shadow-soft);
}

.tab-panel { display: none; padding: var(--space-6); }
.tab-panel.active { display: block; }

.panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    align-items: center;
}

.panel-grid ul { padding-left: 18px; color: var(--text-muted); }

.case-highlight {
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow-strong);
    overflow: hidden;
}

.case-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
    padding: var(--space-8);
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-5);
}

.stat-card {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--cool-light);
    text-align: center;
}

.certifications {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.cert-chip {
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    background: var(--surface);
    font-weight: 700;
    color: var(--text);
}

.support-bar {
    padding: var(--space-7);
    border-radius: var(--radius-lg);
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 60%, #1f4f7f 100%);
    color: #fff;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-6);
    align-items: center;
}

.support-bar p { color: rgba(255,255,255,0.9); }
.support-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ===========================
   Icon System (no emoji)
   =========================== */
.feature-icon[data-icon="cooling"]       { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v18M3 12h18M5.5 7.5 18.5 16M5.5 16.5 18.5 8'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="temperature"]   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 6a2 2 0 1 0-4 0v7.2a4 4 0 1 0 4 0Z'/%3E%3Cpath d='M12 7v6'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="humidity"]      { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3.5c-2.7 3.3-5 6-5 9a5 5 0 1 0 10 0c0-3-2.3-5.7-5-9Z'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="custom"]        { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3.5 18.5 7v7l-6.5 3.5L5 14V7l7-3.5Z'/%3E%3Ccircle cx='12' cy='10.2' r='2.4'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="shield"]        { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3.5 19 7v5.4c0 3.8-2.7 7.2-7 8.1-4.3-.9-7-4.3-7-8.1V7l7-3.5Z'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="leaf"]          { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18.5 5.5C13 4 8.4 6.6 6.8 11L6 14.5l4.6-1.3C15 12 18 7.6 18.5 5.5Z'/%3E%3Cpath d='M11 13.3 6 18.5'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="energy"]        { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M13.5 2.5 6.5 13h4l-1 8.5 8-12.5h-4l1-6.5Z'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="connectivity"]  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.5 12.5a9 9 0 0 1 15 0'/%3E%3Cpath d='M7.5 15.5a5 5 0 0 1 9 0'/%3E%3Cpath d='M10.7 18.5a1.5 1.5 0 0 1 2.6 0'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="wrench"]        { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14.5 3.5a4 4 0 0 0-4.6 5l-5.4 5.4a2 2 0 0 0 2.8 2.8l5.4-5.4a4 4 0 0 0 4.9-4.8l-2.6 2.5-3-3 2.5-2.5Z'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="lab"]           { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 3.5h8'/%3E%3Cpath d='M10 3.5v5.4L6.6 16a2 2 0 0 0 1.8 2.8h7.2A2 2 0 0 0 17.4 16L14 8.9V3.5'/%3E%3Cpath d='M9.2 12h5.6'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="compass"]       { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='7.5'/%3E%3Cpath d='M12 7 9.5 14.5 17 12 9.5 9.5Z'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="globe"]         { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='7.5'/%3E%3Cpath d='M12 4.5c-2 2-2 13 0 15'/%3E%3Cpath d='M4.5 12h15'/%3E%3Cpath d='M9 5.2c-1 .6-2.5 3.2-2.5 6.8S8 18.5 9 18.8'/%3E%3Cpath d='M15 5.2c1 .6 2.5 3.2 2.5 6.8S16 18.5 15 18.8'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="recycle"]       { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m11 4 2.5 4.5H9l-1.8-3.2M13 20l-2.5-4.5H15l1.8 3.2M5 13h4.5l-2.2 3.8M19 11h-4.5l2.2-3.8'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="toolbox"]       { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='5' y='8' width='14' height='9' rx='1.6'/%3E%3Cpath d='M9 8V6.6A1.6 1.6 0 0 1 10.6 5h2.8A1.6 1.6 0 0 1 15 6.6V8'/%3E%3Cpath d='M9 12h6'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="chart"]         { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 18h14'/%3E%3Crect x='6' y='11' width='3' height='5' rx='1'/%3E%3Crect x='11' y='7' width='3' height='9' rx='1'/%3E%3Crect x='16' y='9' width='3' height='7' rx='1'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="check"]         { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='8'/%3E%3Cpath d='M9 12.5 11.5 15 16 9.5'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="document"]      { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 4.5h6l3 3v10a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2v-11a2 2 0 0 1 2-2Z'/%3E%3Cpath d='M14 4.5v3h3'/%3E%3Cpath d='M9 12h6M9 15h4'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="book"]          { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6.5 5.5h4.8a2 2 0 0 1 2 2v11H9a2 2 0 0 0-2.5 2Z'/%3E%3Cpath d='M17.5 5.5h-4.8a2 2 0 0 0-2 2v11h4.3a2 2 0 0 1 2.5 2Z'/%3E%3Cpath d='M12 7.5v11'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="handshake"]     { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 12.5 2.6-2.5 3 3 2.5-2.5'/%3E%3Cpath d='M5 9.5 9.6 14a1.9 1.9 0 0 0 2.6 0l2-2'/%3E%3Cpath d='m17 9.5 2 2a2 2 0 0 1 0 2.8l-1.2 1.2'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="folder"]        { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.5 7.5h5l2 2h8a1.5 1.5 0 0 1 1.5 1.5v6a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 3 17V9a1.5 1.5 0 0 1 1.5-1.5Z'/%3E%3C/svg%3E"); }
.feature-icon[data-icon="controls"]      { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 6h10M7 12h10M7 18h10'/%3E%3Ccircle cx='9' cy='6' r='1.5'/%3E%3Ccircle cx='15' cy='12' r='1.5'/%3E%3Ccircle cx='9' cy='18' r='1.5'/%3E%3C/svg%3E"); }

/* ===========================
   Forms & Tables
   =========================== */
form { display: grid; gap: var(--space-4); }

label { font-weight: 700; color: var(--text); display: block; margin-bottom: var(--space-2); }

input, select, textarea {
    width: 100%;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: #fff;
    font-size: 15px;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--cool-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.22);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-4);
    font-size: 15px;
}

th, td {
    padding: var(--space-3);
    border: 1px solid var(--border);
    text-align: left;
}

th { background: var(--cool-light); color: var(--text); }

.spec-filter {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-4);
}

.spec-filter select, .spec-filter input { width: auto; min-width: 180px; }

.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: var(--radius-full);
    background: var(--cool-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 12px;
}

/* ===========================
   Specialty Components
   =========================== */
.product-selector {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    padding: var(--space-6);
    display: grid;
    gap: var(--space-5);
}

.selector-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-3);
}

.selector-steps .step {
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface-alt);
    color: var(--text);
    font-weight: 700;
}

.selector-steps .step.active {
    border-color: var(--primary);
    background: #fff;
    box-shadow: var(--shadow-soft);
    color: var(--primary);
}

.selector-panels { display: grid; gap: var(--space-4); }
.selector-panel { display: none; }
.selector-panel.active { display: block; }

.selector-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
}

.selector-result {
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-strong);
    background: var(--cool-light);
    font-weight: 700;
}

.calculator {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    padding: var(--space-6);
    display: grid;
    gap: var(--space-5);
}

.calculator-result {
    display: grid;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    background: var(--cool-light);
    border: 1px solid var(--border);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-3);
}

.result-card {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: #fff;
    display: grid;
    gap: 6px;
}

.result-card.highlight {
    border-color: var(--efficiency);
    background: var(--efficiency-light);
}

.accordion { display: grid; gap: var(--space-3); }

.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.accordion-header {
    padding: var(--space-4);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-body {
    padding: 0 var(--space-4) var(--space-4);
    color: var(--text-muted);
    display: none;
}

.accordion-item.active .accordion-body { display: block; }

.timeline { display: grid; gap: var(--space-4); }

.timeline-item {
    border-left: 3px solid var(--primary);
    padding-left: var(--space-4);
}

.timeline-item h4 { margin-bottom: var(--space-2); }

.badge-grid { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.badge-grid .badge { background: var(--surface); border: 1px solid var(--border); color: var(--text); }

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--primary-strong);
    color: #fff;
    padding: var(--space-9) 0 var(--space-6);
    margin-top: var(--space-10);
}

.footer a { color: rgba(255,255,255,0.86); }
.footer a:hover { color: #fff; }

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.footer h4 { color: #fff; }
.footer p { color: rgba(255,255,255,0.82); }

.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }

.social { display: flex; gap: var(--space-3); align-items: center; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: var(--space-4);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-3);
    color: rgba(255,255,255,0.8);
}

.footer-links { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ===========================
   Utilities
   =========================== */
.highlight { color: var(--cool-blue); }
.muted { color: var(--text-muted); }

.list-columns { columns: 2; column-gap: var(--space-6); }
.shadow-card { box-shadow: var(--shadow-soft); }

.scroll-to-top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    z-index: 200;
}

@media (max-width: 1024px) {
    h1 { font-size: 38px; }
    .utility-content { padding: 0 var(--space-3); }
    .navbar-container { padding: 0 var(--space-3); }

    .nav-menu {
        position: absolute;
        top: 112px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #fff;
        padding: var(--space-3);
        border-bottom: 1px solid var(--border);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
    }

    .nav-menu.active { max-height: 520px; }
    .dropdown-menu { position: static; box-shadow: none; border: none; transform: none; opacity: 1; visibility: visible; display: none; }
    .dropdown.active .dropdown-menu { display: block; }
    .nav-actions { display: none; }
    .nav-menu .btn { width: 100%; }
    .mobile-only { display: inline-flex; width: 100%; justify-content: center; }
    .hamburger { display: flex; }
    .support-bar { grid-template-columns: 1fr; }
    .list-columns { columns: 1; }
}

@media (max-width: 640px) {
    h1 { font-size: 32px; }
    h2 { font-size: 26px; }
    section { padding: var(--space-8) 0; }
    .hero-grid { gap: var(--space-6); }
    .utility-content,
    .navbar-container,
    .container { padding: 0 var(--space-3); }
}