@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
    --black: #000000;
    --bg-primary: #050505;
    --bg-secondary: #0a0a0a;
    --bg-elevated: #111111;
    --bg-card: #0d0d0d;

    --gray-900: #141414;
    --gray-800: #1a1a1a;
    --gray-700: #262626;
    --gray-600: #3a3a3a;
    --gray-500: #525252;
    --gray-400: #737373;
    --gray-300: #a3a3a3;
    --gray-200: #d4d4d4;
    --gray-100: #f5f5f5;
    --white: #ffffff;

    --accent: #d4a012;
    --accent-bright: #fbbf24;
    --accent-glow: rgba(212, 160, 18, 0.15);
    --accent-subtle: rgba(212, 160, 18, 0.08);

    --green: #22c55e;
    --green-glow: rgba(34, 197, 94, 0.2);

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(212, 160, 18, 0.3);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 60px rgba(212, 160, 18, 0.1);

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--gray-300);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--accent);
    color: var(--black);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--white);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-weight: 700;
    letter-spacing: -0.03em;
}

a {
    color: var(--accent-bright);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent);
}

.site-header {
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-bright) 0%, var(--accent) 100%);
    color: var(--black);
    font-weight: 800;
    font-size: 0.875rem;
    letter-spacing: -0.05em;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--accent-glow);
}

.logo-text {
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.main-nav a {
    color: var(--gray-400);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: color var(--transition-fast);
}

.main-nav a:hover {
    color: var(--white);
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent-bright) 0%, var(--accent) 100%);
    color: var(--black) !important;
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: all var(--transition-base);
    box-shadow: 0 0 20px var(--accent-glow);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.hero {
    padding: 5rem 0 4rem;
    background:
        radial-gradient(ellipse 100% 50% at 50% 100%, var(--accent-subtle) 0%, transparent 60%),
        var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
    opacity: 0.3;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--gray-400);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 540px;
}

.hero-checklist {
    list-style: none;
    margin-bottom: 2.5rem;
    display: grid;
    gap: 0.125rem;
}

.hero-checklist li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--gray-200);
    font-size: 0.9375rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-fast);
}

.hero-checklist li:last-child {
    border-bottom: none;
}

.hero-checklist li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.hero-checklist li:hover {
    color: var(--white);
    padding-left: 2.25rem;
}

.hero-product {
    position: relative;
}

.hero-product::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-product img {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-bright) 0%, var(--accent) 100%);
    color: var(--black);
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
    padding: 1rem 2rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow:
        0 0 30px var(--accent-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 8px 40px var(--accent-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    color: var(--black);
}

.btn-primary:hover::before {
    left: 100%;
}

.credential-bar {
    background: var(--bg-secondary);
    padding: 0;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
}

.credential-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.credential {
    text-align: center;
    padding: 1.5rem 1rem;
    border-right: 1px solid var(--border-subtle);
    position: relative;
    transition: all var(--transition-base);
}

.credential:last-child {
    border-right: none;
}

.credential::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-base);
}

.credential:hover::before {
    width: 60%;
}

.credential:hover {
    background: var(--bg-elevated);
}

.credential strong {
    display: block;
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.credential span {
    font-size: 0.6875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-align: center;
    letter-spacing: -0.03em;
}

.section-subtitle {
    color: var(--gray-500);
    text-align: center;
    margin-bottom: 3rem;
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
}

.component-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.component-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    position: relative;
    transition: all var(--transition-slow);
    overflow: hidden;
}

.component-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.component-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.component-card:hover::before {
    opacity: 1;
}

.component-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(180deg, var(--bg-elevated) 0%, transparent 100%);
}

.component-badge {
    display: inline-block;
    background: var(--accent-subtle);
    color: var(--accent-bright);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 0.375rem 0.625rem;
    margin-bottom: 0.75rem;
    border: 1px solid var(--border-accent);
}

.component-header h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.component-body {
    padding: 1.5rem;
}

.component-table {
    width: 100%;
    font-size: 0.8125rem;
}

.component-table tr {
    border-bottom: 1px solid var(--border-subtle);
}

.component-table tr:last-child {
    border-bottom: none;
}

.component-table td {
    padding: 0.625rem 0;
    vertical-align: top;
}

.component-table td:first-child {
    color: var(--gray-500);
    width: 45%;
    font-weight: 500;
}

.component-table td:last-child {
    color: var(--gray-200);
}

.component-table .highlight {
    color: var(--green);
    font-weight: 600;
    text-shadow: 0 0 20px var(--green-glow);
}

.component-note {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.75rem;
    color: var(--gray-500);
    line-height: 1.6;
    font-style: italic;
}

.protection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.protection-col {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
}

.protection-col h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent);
}

.protection-list {
    list-style: none;
}

.protection-list li {
    padding: 0.5rem 0;
    padding-left: 1.25rem;
    font-size: 0.8125rem;
    color: var(--gray-400);
    position: relative;
    transition: color var(--transition-fast);
}

.protection-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.875rem;
    width: 4px;
    height: 4px;
    background: var(--gray-600);
    transition: background var(--transition-fast);
}

.protection-list li:hover {
    color: var(--gray-200);
}

.protection-list li:hover::before {
    background: var(--accent);
}

.model-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.model-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    transition: background var(--transition-base);
}

.model-card:hover {
    transform: translateY(-4px);
    border-color: var(--gray-600);
    box-shadow: var(--shadow-lg);
}

.model-card:hover::after {
    background: var(--gray-600);
}

.model-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 40px var(--accent-glow);
}

.model-card.featured::after {
    background: var(--accent);
    height: 3px;
}

.model-card.featured:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 50px var(--accent-glow);
}

.model-header {
    padding: 1.25rem 1rem;
    background: var(--bg-elevated);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
}

.model-card.featured .model-header {
    background: linear-gradient(135deg, var(--accent-bright) 0%, var(--accent) 100%);
    border-bottom: none;
}

.model-card.featured .model-name,
.model-card.featured .model-power {
    color: var(--black);
}

.model-name {
    font-weight: 700;
    color: var(--white);
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.model-power {
    font-size: 0.8125rem;
    color: var(--gray-400);
    font-weight: 600;
}

.model-specs {
    width: 100%;
    font-size: 0.75rem;
}

.model-specs tr {
    border-bottom: 1px solid var(--border-subtle);
}

.model-specs tr:last-child {
    border-bottom: none;
}

.model-specs td {
    padding: 0.625rem 0.875rem;
}

.model-specs td:first-child {
    color: var(--gray-500);
    font-weight: 500;
}

.model-specs td:last-child {
    color: var(--gray-300);
}

.model-footer {
    text-align: center;
    margin-top: 2.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
}

.model-footer p {
    font-size: 0.8125rem;
    color: var(--gray-500);
    letter-spacing: -0.01em;
}

/* Model CTA */
.model-cta {
    text-align: center;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.model-cta p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 1.25rem;
}

.model-cta .btn-primary {
    padding: 1rem 2.5rem;
}

/* ============================================
   ENCLOSURE GRID - Options Display
   ============================================ */
.enclosure-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.enclosure-card {
    background: var(--bg-card);
    padding: 2rem;
    border: 1px solid var(--border-default);
    transition: all var(--transition-slow);
    position: relative;
}

.enclosure-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--accent);
    transition: height var(--transition-slow);
}

.enclosure-card:hover {
    border-color: var(--border-accent);
    transform: translateX(4px);
}

.enclosure-card:hover::before {
    height: 100%;
}

.enclosure-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.enclosure-card p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.enclosure-card ul {
    list-style: none;
}

.enclosure-card li {
    font-size: 0.8125rem;
    color: var(--gray-400);
    padding: 0.375rem 0;
    padding-left: 1.25rem;
    position: relative;
    transition: all var(--transition-fast);
}

.enclosure-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 6px;
    height: 1px;
    background: var(--gray-600);
    transition: all var(--transition-fast);
}

.enclosure-card li:hover {
    color: var(--gray-200);
    padding-left: 1.5rem;
}

.enclosure-card li:hover::before {
    background: var(--accent);
    width: 10px;
}

/* ============================================
   APPLICATION GRID - Use Cases
   ============================================ */
.application-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.application-item {
    background: var(--bg-card);
    padding: 1.5rem;
    border: 1px solid var(--border-subtle);
    border-left: 3px solid transparent;
    transition: all var(--transition-base);
}

.application-item:hover {
    border-left-color: var(--accent);
    background: var(--bg-elevated);
}

.application-item strong {
    display: block;
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
    color: var(--white);
    letter-spacing: -0.02em;
}

.application-item span {
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ============================================
   SPECS GRID - Standard Equipment
   ============================================ */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.specs-col {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
}

.specs-col h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent);
}

.specs-list {
    list-style: none;
}

.specs-list li {
    padding: 0.5rem 0;
    padding-left: 1.25rem;
    font-size: 0.8125rem;
    color: var(--gray-400);
    position: relative;
    border-bottom: 1px solid var(--border-subtle);
}

.specs-list li:last-child {
    border-bottom: none;
}

.specs-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.875rem;
    width: 4px;
    height: 4px;
    background: var(--gray-600);
}

/* ============================================
   SERVICE GRID - Support Section
   ============================================ */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-item {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent);
}

.service-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--white);
    letter-spacing: -0.02em;
}

.service-item p {
    font-size: 0.875rem;
    color: var(--gray-400);
    line-height: 1.6;
}

/* ============================================
   QUOTE SECTION - Conversion Focus
   ============================================ */
.quote-section {
    padding: 5rem 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 50%, var(--accent-subtle) 0%, transparent 50%),
        var(--bg-secondary);
    position: relative;
}

.quote-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
    opacity: 0.5;
}

.quote-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.quote-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.quote-info > p {
    color: var(--gray-400);
    margin-bottom: 2.5rem;
    font-size: 1rem;
    line-height: 1.7;
}

.quote-details {
    background: var(--bg-card);
    padding: 1.5rem;
    border: 1px solid var(--border-subtle);
}

.quote-details h4 {
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-300);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.quote-details ul {
    list-style: none;
}

.quote-details li {
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--gray-400);
    padding-left: 1.5rem;
    position: relative;
}

.quote-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 8px;
    height: 8px;
    border: 2px solid var(--accent);
    background: transparent;
}

.quote-contact {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

.quote-contact p {
    font-size: 0.9375rem;
    color: var(--gray-400);
}

.quote-contact a {
    font-weight: 600;
}

/* ============================================
   FORM - Premium Input Design
   ============================================ */
.quote-form-wrap {
    background: var(--bg-card);
    padding: 2.5rem;
    border: 1px solid var(--border-default);
    position: relative;
}

.quote-form-wrap::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--accent-subtle) 0%, transparent 70%);
    pointer-events: none;
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    color: var(--white);
    font-family: var(--font);
    font-size: 0.9375rem;
    padding: 0.875rem 1rem;
    transition: all var(--transition-base);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--gray-600);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-600);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.error-message {
    font-size: 0.75rem;
    color: #ef4444;
    margin-top: 0.375rem;
    min-height: 1rem;
}

.form-group input.error,
.form-group select.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.btn-submit {
    width: 100%;
    margin-top: 0.75rem;
    padding: 1.125rem 2rem;
}

.form-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.75rem;
}

/* Multi-step form */
.form-step {
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(10px); }
    to { opacity: 1; transform: translateX(0); }
}

.step-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.step-indicator {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--accent-bright);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
}

.step-title {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.02em;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.form-actions .btn-submit {
    flex: 1;
}

.btn-back {
    background: transparent;
    border: 1px solid var(--border-default);
    color: var(--gray-400);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-back:hover {
    border-color: var(--gray-500);
    color: var(--white);
}

/* Urgency note */
.quote-urgency {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(212, 160, 18, 0.08);
    border-left: 3px solid var(--accent);
}

.quote-urgency p {
    font-size: 0.8125rem;
    color: var(--gray-400);
    line-height: 1.5;
}

.quote-urgency strong {
    color: var(--accent-bright);
}

.form-success {
    text-align: center;
    padding: 3rem 2rem;
}

.form-success h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.form-success p {
    color: var(--gray-400);
    font-size: 0.9375rem;
}

.hidden {
    display: none;
}

/* ============================================
   FOOTER - Minimal Professional
   ============================================ */
.site-footer {
    padding: 2.5rem 0;
    background: var(--black);
    border-top: 1px solid var(--border-subtle);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.footer-brand strong {
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.footer-brand span {
    color: var(--gray-600);
    font-size: 0.8125rem;
    margin-left: 0.75rem;
}

.footer-contact a {
    font-size: 0.9375rem;
    font-weight: 500;
}

.footer-legal {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

.footer-legal p {
    font-size: 0.75rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   STICKY CTA - Persistent Conversion
   ============================================ */
.sticky-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, var(--accent-bright) 0%, var(--accent) 100%);
    color: var(--black);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: -0.01em;
    padding: 0.875rem 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(1rem);
    transition: all var(--transition-slow);
    z-index: 100;
    box-shadow: 0 4px 30px var(--accent-glow);
}

.sticky-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px var(--accent-glow);
    color: var(--black);
}

.sticky-cta.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .component-grid {
        grid-template-columns: 1fr;
    }

    .model-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .quote-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero h1 {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-product {
        order: -1;
    }

    .hero h1 {
        font-size: 1.375rem;
        line-height: 1.3;
    }

    .credential-inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .credential {
        padding: 1.25rem 0.75rem;
    }

    .credential:nth-child(2) {
        border-right: none;
    }

    .credential:nth-child(1),
    .credential:nth-child(2) {
        border-bottom: 1px solid var(--border-subtle);
    }

    .specs-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .model-cards {
        grid-template-columns: 1fr 1fr;
    }

    .enclosure-grid {
        grid-template-columns: 1fr;
    }

    .main-nav a:not(.nav-cta) {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn-back {
        order: 2;
    }

    .footer-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .section {
        padding: 3.5rem 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.25rem;
    }

    .model-cards {
        grid-template-columns: 1fr;
    }

    .credential-inner {
        grid-template-columns: 1fr 1fr;
    }

    .sticky-cta {
        left: 1rem;
        right: 1rem;
        text-align: center;
        bottom: 1rem;
    }

    .quote-form-wrap {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
    .site-header,
    .quote-section,
    .site-footer,
    .sticky-cta {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        border: none;
        padding: 1rem 0;
    }

    .component-card,
    .model-card,
    .enclosure-card,
    .application-item {
        break-inside: avoid;
        border: 1px solid #ddd;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes subtle-glow {
    0%, 100% {
        box-shadow: 0 0 30px var(--accent-glow);
    }
    50% {
        box-shadow: 0 0 50px var(--accent-glow);
    }
}

.model-card.featured {
    animation: subtle-glow 3s ease-in-out infinite;
}