/* ==========================================================================
   STAELER — Full Redesign
   Dark industrial-luxury aesthetic inspired by EXALPRO
   Near-black backgrounds, red accent, premium typography
   ========================================================================== */

/* ==========================================================================
   CSS CUSTOM PROPERTIES
   ========================================================================== */
:root {
    /* Core Palette */
    --color-black: #0a0a0a;
    --color-black-light: #111111;
    --color-surface: #161616;
    --color-surface-light: #1a1a1a;
    --color-surface-hover: #1e1e1e;
    --color-surface-elevated: #222222;

    --color-red: #c8102e;
    --color-red-hover: #a50d25;
    --color-red-light: #e0132f;
    --color-red-glow: rgba(200, 16, 46, 0.15);
    --color-red-subtle: rgba(200, 16, 46, 0.08);

    --color-white: #ffffff;
    --color-gray-100: #f0f0f0;
    --color-gray-200: #cccccc;
    --color-gray-300: #999999;
    --color-gray-400: #777777;
    --color-gray-500: #666666;
    --color-gray-600: #444444;
    --color-gray-700: #333333;
    --color-gray-800: #222222;

    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Semantic Tokens */
    --bg-body: var(--color-black);
    --bg-section-alt: var(--color-black-light);
    --bg-card: var(--color-surface);
    --bg-card-hover: var(--color-surface-light);
    --bg-input: var(--color-black-light);

    --text-primary: var(--color-white);
    --text-secondary: var(--color-gray-300);
    --text-tertiary: var(--color-gray-500);
    --text-muted: var(--color-gray-600);
    --text-accent: var(--color-red);

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.18);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Layout */
    --container-max: 1200px;
    --section-padding: 140px;
    --nav-height: 72px;

    /* Transitions */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: 150ms var(--ease-out);
    --transition-base: 300ms var(--ease-out);
    --transition-slow: 500ms var(--ease-out);

    /* Radius */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}


/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-body);
    overflow-x: hidden;
}

::selection {
    background: var(--color-red);
    color: var(--color-white);
}

a {
    color: var(--color-gray-300);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}


/* ==========================================================================
   SCROLLBAR
   ========================================================================== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-black);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-700);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
}

html {
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-700) var(--color-black);
}


/* ==========================================================================
   CONTAINER & SHARED SECTION STYLES
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 80px;
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-red);
    margin-bottom: 24px;
}

.section-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.section-title-left {
    text-align: left;
}

.section-desc {
    font-size: 17px;
    line-height: 1.75;
    color: var(--text-secondary);
}

.text-accent {
    color: var(--color-red);
}


/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius-xs);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--color-red);
    color: var(--color-white);
    border-color: var(--color-red);
}

.btn-primary:hover {
    background: var(--color-red-hover);
    border-color: var(--color-red-hover);
    color: var(--color-white);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
    padding: 14px 20px;
    text-transform: none;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--color-surface);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 15px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}


/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: all var(--transition-slow);
    background: transparent;
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-inner-full {
    width: 100%;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    z-index: 1001;
    text-decoration: none;
}

.nav-logo-img {
    height: 28px;
    width: auto;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-tagline {
    font-size: 12px;
    font-weight: 400;
    color: var(--color-gray-400);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    width: 32px;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-white);
    transition: all var(--transition-base);
    transform-origin: center;
}

.nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Full-screen overlay menu */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-black);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.nav-overlay.open {
    opacity: 1;
    visibility: visible;
}

.nav-overlay-inner {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--color-gray-400);
    padding: 12px 24px;
    text-decoration: none;
    transition: color var(--transition-fast);
    letter-spacing: -0.02em;
}

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

.nav-link-cta {
    color: var(--color-red);
    margin-top: 24px;
    font-size: 36px;
}

.nav-link-cta:hover {
    color: var(--color-red-light);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 40px;
    padding: 4px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    background: transparent;
    border: none;
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-gray-500);
    cursor: pointer;
    transition: all var(--transition-fast);
    letter-spacing: 0.5px;
}

.lang-option:hover {
    color: var(--color-gray-300);
    background: var(--color-surface-hover);
}

.lang-option.active {
    color: var(--color-red);
    background: var(--color-red-subtle);
}


/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: var(--nav-height) 0 32px;
    background: var(--color-black);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(44px, 6vw, 88px);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.04em;
    margin-bottom: 28px;
    color: var(--color-white);
}

.hero-accent {
    color: var(--color-red);
}

.hero-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-gray-400);
    margin-bottom: 12px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.hero-visual {
    position: relative;
    z-index: 1;
    overflow: visible;
    min-height: 400px;
}

#hero3d {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: block;
    pointer-events: none;
}

.hero-capacity-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border: 1px solid var(--color-gray-800);
    border-radius: 6px;
    margin-bottom: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--color-gray-300);
    background: rgba(255, 255, 255, 0.03);
}

.hero-badge-dot {
    color: var(--color-gray-600);
    font-size: 14px;
}

.hero-profile-svg {
    width: 100%;
    max-width: 440px;
    height: auto;
    opacity: 0.85;
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    transition: color var(--transition-base);
}

.scroll-indicator:hover {
    color: var(--color-white);
}

.scroll-dot {
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(12px);
        opacity: 0.3;
    }
}


/* ==========================================================================
   CAPACITY BAR
   ========================================================================== */
.capacity-section {
    padding: 64px 0;
    background: var(--color-black-light);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.capacity-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.capacity-item {
    text-align: center;
    padding: 24px 16px;
    position: relative;
}

.capacity-item + .capacity-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: var(--color-red);
    opacity: 0.4;
}

.capacity-value {
    display: block;
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1;
    letter-spacing: -0.03em;
    font-family: var(--font-sans);
}

.capacity-unit {
    display: inline-block;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-red);
    margin-left: 4px;
    vertical-align: super;
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
}

.capacity-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 12px;
}


/* ==========================================================================
   CAPABILITIES / SERVICES
   ========================================================================== */
.capabilities-section {
    background: var(--color-black);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
}

.capability-card {
    background: var(--color-surface);
    padding: 48px;
    transition: all var(--transition-slow);
    position: relative;
    border-left: 3px solid transparent;
}

.capability-card:hover {
    background: var(--color-surface-light);
    border-left-color: var(--color-red);
}

.capability-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--color-red);
    line-height: 1;
    margin-bottom: 24px;
    font-family: var(--font-mono);
    opacity: 0.6;
}

.capability-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.capability-desc {
    font-size: 15px;
    line-height: 1.75;
    color: var(--color-gray-400);
    margin-bottom: 24px;
}

.capability-link {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-red);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
}

.capability-link:hover {
    color: var(--color-red-light);
    letter-spacing: 1.5px;
}


/* ==========================================================================
   CONFIGURATOR
   ========================================================================== */
.configurator-section {
    background: var(--color-black);
}

.configurator {
    background: var(--color-black-light);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 40px;
}

/* Mode Tabs */
.config-mode-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 36px;
    padding: 4px;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.config-mode-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-500);
    cursor: pointer;
    transition: all var(--transition-base);
}

.config-mode-tab:hover {
    color: var(--color-gray-300);
    background: var(--color-surface-hover);
}

.config-mode-tab.active {
    color: var(--color-white);
    background: var(--color-red);
}

.config-mode-tab .tab-note {
    display: block;
    font-size: 10px;
    font-weight: 400;
    opacity: 0.7;
    margin-top: 2px;
}

/* Steps Indicator */
.config-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 48px;
    padding: 0 40px;
}

.config-step {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.35;
    transition: all var(--transition-base);
}

.config-step.active {
    opacity: 1;
}

.config-step.completed {
    opacity: 0.7;
}

.config-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 2px solid var(--border-default);
    font-size: 13px;
    font-weight: 700;
    font-family: var(--font-mono);
    flex-shrink: 0;
    transition: all var(--transition-base);
    color: var(--color-gray-500);
}

.config-step.active .config-step-num {
    background: var(--color-red);
    border-color: var(--color-red);
    color: var(--color-white);
}

.config-step.completed .config-step-num {
    background: var(--color-success);
    border-color: var(--color-success);
    color: var(--color-white);
}

.config-step-label {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    color: inherit;
}

.config-step-line {
    flex: 1;
    height: 1px;
    background: var(--border-default);
    margin: 0 16px;
    min-width: 20px;
}

/* Config Panels */
.config-panel {
    display: none;
    animation: configFadeIn 0.4s var(--ease-out);
}

.config-panel.active {
    display: block;
}

@keyframes configFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.config-panel-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
    color: var(--color-white);
}

/* Config Note */
.config-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 18px;
    margin-bottom: 24px;
    background: var(--color-red-subtle);
    border: 1px solid rgba(200, 16, 46, 0.15);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-gray-300);
    line-height: 1.6;
}

.config-note svg {
    flex-shrink: 0;
    color: var(--color-red);
    margin-top: 2px;
}

/* Profile Type Grid */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.profile-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 20px;
    background: var(--color-surface);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.profile-card:hover {
    border-color: var(--border-strong);
    background: var(--color-surface-hover);
    transform: translateY(-2px);
}

.profile-card.selected {
    border-color: var(--color-red);
    background: var(--color-red-subtle);
}

.profile-card-icon {
    width: 72px;
    height: 72px;
}

.profile-card-icon svg {
    width: 100%;
    height: 100%;
}

.profile-card-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.profile-card-desc {
    font-size: 12px;
    color: var(--color-gray-500);
    font-family: var(--font-mono);
}

/* Config Layout (2-column) */
.config-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.config-layout-quote {
    grid-template-columns: 1fr;
}

.config-controls-wide {
    max-width: 100%;
}

/* Preview */
.config-preview {
    position: sticky;
    top: 100px;
    background: var(--color-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.config-preview-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: var(--font-mono);
    margin-bottom: 16px;
}

.profile-svg {
    width: 100%;
    max-width: 350px;
    aspect-ratio: 1;
}

.config-preview-info {
    width: 100%;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    font-size: 13px;
}

.preview-info-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.preview-info-label {
    color: var(--color-gray-500);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preview-info-value {
    color: var(--text-primary);
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 14px;
}

/* Config Controls */
.config-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.config-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-400);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.config-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.config-select:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 2px var(--color-red-glow);
}

.config-select option {
    background: var(--color-surface);
    color: var(--text-primary);
}

.config-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--color-gray-600);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.config-divider::before,
.config-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.config-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.config-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.config-input-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

.config-input-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.config-input {
    width: 100%;
    padding: 11px 48px 11px 14px;
    background: var(--color-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.config-input:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 2px var(--color-red-glow);
}

.config-unit {
    position: absolute;
    right: 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-600);
    font-family: var(--font-mono);
    pointer-events: none;
}

.config-hint {
    font-size: 12px;
    color: var(--color-gray-600);
    margin-top: 4px;
}

/* Config Group */
.config-group {
    display: flex;
    flex-direction: column;
}

/* Radio Group */
.config-radio-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.config-radio {
    cursor: pointer;
}

.config-radio input {
    display: none;
}

.config-radio-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-align: center;
}

.config-radio input:checked + .config-radio-box {
    border-color: var(--color-red);
    background: var(--color-red-subtle);
}

.config-radio-box:hover {
    border-color: var(--border-strong);
}

.config-radio-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.config-radio-desc {
    font-size: 11px;
    color: var(--color-gray-500);
    font-family: var(--font-mono);
}

/* Config Navigation */
.config-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    margin-top: 8px;
}

.config-nav-final {
    flex-wrap: wrap;
    gap: 12px;
}

/* Config Size Select */
.config-size-select {
    margin-bottom: 16px;
}

/* Quote Grid */
.quote-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

/* Quote Summary */
.quote-summary {
    background: var(--color-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 32px;
    margin-bottom: 24px;
}

.quote-summary-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

.quote-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 14px;
}

.quote-line + .quote-line {
    border-top: 1px solid var(--border-subtle);
}

.quote-line-label {
    color: var(--text-secondary);
}

.quote-line-value {
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.quote-line-total {
    font-size: 18px;
    padding: 16px 0 8px;
    margin-top: 8px;
    border-top: 2px solid var(--border-strong) !important;
}

.quote-line-total .quote-line-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-red);
}

.quote-line-per-unit {
    font-size: 13px;
    color: var(--color-gray-500);
}

/* Quote Disclaimer */
.quote-disclaimer {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 16px 20px;
    background: rgba(245, 158, 11, 0.06);
    border: 1px solid rgba(245, 158, 11, 0.15);
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 13px;
    line-height: 1.65;
    color: var(--text-secondary);
}

.quote-disclaimer svg {
    flex-shrink: 0;
    color: var(--color-warning);
    margin-top: 2px;
}

.quote-moq-warning {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--color-error);
}

/* Config Source Badge */
.config-source-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.config-source-badge.badge-sourced {
    background: rgba(200, 16, 46, 0.08);
    color: var(--color-red);
    border: 1px solid rgba(200, 16, 46, 0.2);
}

.config-source-badge.badge-manufactured {
    background: var(--color-red-subtle);
    color: var(--color-red);
    border: 1px solid rgba(200, 16, 46, 0.2);
}


/* ==========================================================================
   CUSTOM CONFIGURATOR (CC)
   ========================================================================== */
.cc-configurator {
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    background: var(--color-black-light);
    overflow: hidden;
}

.cc-aluminum-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    margin-bottom: 16px;
    background: var(--color-red-subtle);
    border: 1px solid rgba(200, 16, 46, 0.2);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-red);
    letter-spacing: 0.3px;
}

.cc-aluminum-badge svg {
    width: 14px;
    height: 14px;
}

/* CC Templates */
.cc-templates {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--border-subtle);
    overflow: hidden;
}

.cc-templates-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    flex-shrink: 0;
}

.cc-templates-scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    flex: 1;
    scrollbar-width: thin;
}

.cc-templates-scroll::-webkit-scrollbar {
    height: 3px;
}

.cc-templates-scroll::-webkit-scrollbar-thumb {
    background: var(--color-gray-700);
    border-radius: 2px;
}

.cc-tpl-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    min-width: 80px;
    background: var(--color-surface-hover);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.cc-tpl-btn:hover {
    border-color: var(--color-red);
    background: var(--color-red-subtle);
}

.cc-tpl-btn.active {
    border-color: var(--color-red);
    background: var(--color-red-subtle);
}

.cc-tpl-btn svg {
    width: 40px;
    height: 40px;
}

.cc-tpl-btn span {
    font-size: 10px;
    color: var(--color-gray-400);
    font-weight: 500;
    white-space: nowrap;
}

.cc-tpl-blank {
    border-style: dashed;
}

/* CC Main Layout */
.cc-main-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    min-height: 520px;
}

/* CC Canvas Area */
.cc-canvas-area {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-subtle);
}

/* CC Toolbar */
.cc-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--border-subtle);
    flex-wrap: wrap;
}

.cc-tool-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-xs);
    color: var(--color-gray-400);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.cc-tool-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.cc-tool-btn:hover {
    background: var(--color-surface-hover);
    color: var(--color-white);
}

.cc-tool-btn.active {
    background: var(--color-red-subtle);
    color: var(--color-red);
    border-color: rgba(200, 16, 46, 0.3);
}

.cc-tool-sm {
    padding: 6px;
}

.cc-tool-sm span {
    display: none;
}

.cc-tool-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.cc-toolbar-sep {
    width: 1px;
    height: 24px;
    background: var(--border-subtle);
    margin: 0 4px;
}

/* CC Canvas Wrapper */
.cc-canvas-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--color-black);
    touch-action: none;
}

.cc-canvas-wrapper canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: crosshair;
    touch-action: none;
}

.cc-canvas-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 12px;
    background: var(--color-surface);
    border-top: 1px solid var(--border-subtle);
    font-size: 11px;
    color: var(--color-gray-500);
}

.cc-cursor-pos {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-gray-500);
    min-width: 120px;
}

.cc-canvas-hint {
    flex: 1;
    text-align: center;
    opacity: 0.6;
}

.cc-grid-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cc-grid-controls label {
    font-size: 11px;
    color: var(--color-gray-500);
    font-weight: 500;
}

.cc-mini-select {
    padding: 2px 6px;
    background: var(--color-surface-hover);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    color: var(--color-gray-300);
    font-size: 10px;
    font-family: var(--font-mono);
    cursor: pointer;
}

.cc-snap-label {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.cc-snap-label input[type="checkbox"] {
    accent-color: var(--color-red);
    width: 14px;
    height: 14px;
}

/* CC Controls Sidebar */
.cc-controls {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow-y: auto;
    background: var(--color-surface);
    max-height: 600px;
}

.cc-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.cc-section-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.cc-field {
    margin-bottom: 12px;
}

.cc-field:last-child {
    margin-bottom: 0;
}

.cc-info-empty {
    font-size: 13px;
    color: var(--color-gray-500);
    font-style: italic;
}

/* CC Info Grid */
.cc-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.cc-info-item {
    padding: 8px;
    background: var(--color-black-light);
    border-radius: var(--radius-xs);
    border: 1px solid var(--border-subtle);
}

.cc-info-item label {
    display: block;
    font-size: 10px;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.cc-info-item span {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 600;
}

/* CC Warnings */
.cc-warning {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
    margin: 12px 20px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--color-warning);
}

.cc-warning.cc-warning-error {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}

.cc-warning svg {
    flex-shrink: 0;
    margin-top: 1px;
}

/* CC Quote */
.cc-quote .quote-row {
    padding: 6px 0;
}

/* CC Actions */
.cc-actions {
    padding: 16px 20px;
}

.cc-upload-hint {
    margin-top: 10px;
    text-align: center;
}

.cc-upload-hint p {
    font-size: 12px;
    color: var(--color-gray-500);
}

.cc-upload-hint a {
    color: var(--color-red);
    text-decoration: none;
}

.cc-upload-hint a:hover {
    text-decoration: underline;
}

.cc-die-note {
    font-size: 11px;
    color: var(--color-gray-500);
    font-style: italic;
    margin-top: 8px;
    padding: 0 20px 16px;
}


/* ==========================================================================
   SPECS
   ========================================================================== */
.specs-section {
    background: var(--color-black-light);
    border-top: 1px solid var(--border-subtle);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
}

.spec-card {
    background: var(--color-surface);
    padding: 32px;
    transition: all var(--transition-base);
}

.spec-card:hover {
    background: var(--color-surface-light);
}

.spec-card h4 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-red);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

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

.spec-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 8px 0;
    font-size: 13px;
    color: var(--color-gray-400);
    border-bottom: 1px solid var(--border-subtle);
    gap: 8px;
}

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

.spec-list li strong {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-white);
    text-align: right;
    flex-shrink: 0;
}


/* ==========================================================================
   PROCESS
   ========================================================================== */
.process-section {
    background: var(--color-black);
    border-top: 1px solid var(--border-subtle);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
}

.process-card {
    padding: 48px 36px;
    background: var(--color-surface);
    transition: all var(--transition-slow);
}

.process-card:hover {
    background: var(--color-surface-light);
}

.process-num {
    font-size: 56px;
    font-weight: 900;
    font-family: var(--font-mono);
    color: var(--color-red);
    line-height: 1;
    margin-bottom: 28px;
    opacity: 0.5;
}

.process-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-white);
    letter-spacing: -0.01em;
}

.process-desc {
    font-size: 14px;
    line-height: 1.75;
    color: var(--color-gray-400);
}


/* ==========================================================================
   TRUST
   ========================================================================== */
.trust-section {
    padding: 80px 0;
    background: var(--color-black-light);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.trust-content {
    text-align: center;
}

.trust-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.trust-stat {
    text-align: center;
}

.trust-stat-value {
    display: inline;
    font-size: 56px;
    font-weight: 900;
    color: var(--color-red);
    line-height: 1;
    font-family: var(--font-sans);
    letter-spacing: -0.03em;
}

.trust-stat-suffix {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-red);
    opacity: 0.7;
}

.trust-stat-label {
    display: block;
    font-size: 12px;
    color: var(--color-gray-500);
    margin-top: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.trust-industries {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.trust-tag {
    background: transparent;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xs);
    padding: 8px 18px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
    letter-spacing: 0.5px;
}

.trust-tag:hover {
    border-color: var(--color-red);
    color: var(--color-white);
}


/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-section {
    background: var(--color-black);
}

.about-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: start;
}

.about-content {}

.about-text {
    font-size: 16px;
    line-height: 1.85;
    color: var(--color-gray-400);
    margin-bottom: 20px;
}

.about-certs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 32px;
}

.cert-badge {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--border-default);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-gray-400);
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
}

.cert-badge:hover {
    border-color: var(--color-red);
    color: var(--color-white);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-value {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--color-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.about-value:hover {
    border-color: var(--border-default);
    background: var(--color-surface-light);
}

.about-value-icon {
    flex-shrink: 0;
}

.about-value svg {
    flex-shrink: 0;
    color: var(--color-red);
}

.about-value strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 4px;
}

.about-value span {
    font-size: 13px;
    color: var(--color-gray-500);
    line-height: 1.5;
}


/* ==========================================================================
   CTA SECTION
   ========================================================================== */
.cta-section {
    padding: 0;
}

.cta-inner {
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-hover) 100%);
    padding: 80px 60px;
    border-radius: 0;
    text-align: center;
}

.cta-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

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

.cta-actions .btn-primary {
    background: var(--color-white);
    color: var(--color-red);
    border-color: var(--color-white);
}

.cta-actions .btn-primary:hover {
    background: var(--color-gray-100);
    color: var(--color-red-hover);
    transform: translateY(-1px);
}

.cta-actions .btn-outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}

.cta-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-white);
    color: var(--color-white);
}


/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-section {
    background: var(--color-black-light);
    border-top: 1px solid var(--border-subtle);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-400);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 13px 16px;
    background: var(--color-black-light);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 2px var(--color-red-glow);
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--color-gray-400);
    line-height: 1.5;
}

.form-checkbox input {
    margin-top: 3px;
    accent-color: var(--color-red);
}

.form-checkbox a {
    color: var(--color-red);
}

.form-checkbox a:hover {
    color: var(--color-red-light);
}

/* Form File Upload */
.form-file {
    padding: 10px 12px;
    cursor: pointer;
    background: var(--color-surface);
}

.form-file::file-selector-button {
    padding: 6px 14px;
    margin-right: 12px;
    background: var(--color-surface-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xs);
    color: var(--color-gray-300);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-file::file-selector-button:hover {
    background: var(--color-surface-hover);
    color: var(--text-primary);
    border-color: var(--color-red);
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-card {
    background: var(--color-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 32px;
}

.contact-info-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-white);
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
}

.contact-detail + .contact-detail {
    border-top: 1px solid var(--border-subtle);
}

.contact-detail svg {
    flex-shrink: 0;
    color: var(--color-red);
    margin-top: 2px;
}

.contact-detail strong {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-400);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-detail span {
    font-size: 14px;
    color: var(--color-gray-300);
    line-height: 1.6;
}

.contact-detail-legal {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
}

/* Hours */
.contact-info-hours {}

.hours-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 14px;
    color: var(--color-gray-400);
}

.hours-grid span:nth-child(even) {
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--color-white);
    font-size: 13px;
}

.hours-note {
    font-size: 13px;
    color: var(--color-gray-600);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
}


/* ==========================================================================
   MODAL
   ========================================================================== */

/* ── 3D Profile Quote Modal ─────────────────────────────────────────────── */
.profile3d-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}
.profile3d-modal.active {
    display: flex;
}
.profile3d-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(8px);
}
.profile3d-modal-dialog {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 380px;
    width: min(1100px, 95vw);
    height: min(680px, 90vh);
    background: #0f0f12;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 40px 120px rgba(0,0,0,0.8);
}
.profile3d-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    font-size: 22px;
    line-height: 1;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 200ms;
}
.profile3d-modal-close:hover {
    background: rgba(255,255,255,0.14);
}
.profile3d-modal-canvas-wrap {
    position: relative;
    background: #080809;
    overflow: hidden;
}
#profile3dCanvas {
    width: 100%;
    height: 100%;
    display: block;
}
.profile3d-modal-hint {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 11px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    pointer-events: none;
}
.profile3d-modal-info {
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-left: 1px solid rgba(255,255,255,0.06);
    overflow-y: auto;
}
.profile3d-modal-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border: 1px solid rgba(200, 16, 46, 0.4);
    border-radius: 4px;
    background: rgba(200, 16, 46, 0.08);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-red);
    width: fit-content;
}
.profile3d-modal-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin: 0;
}
.profile3d-modal-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.profile3d-spec-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 10px 12px;
}
.profile3d-spec-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--color-gray-500);
    text-transform: uppercase;
    margin-bottom: 4px;
}
.profile3d-spec-value {
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
}
.profile3d-modal-quote {
    background: rgba(255,255,255,0.025);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 16px;
    font-size: 13px;
    color: var(--color-gray-300);
    line-height: 1.6;
}
.profile3d-modal-note {
    font-size: 12px;
    color: var(--color-gray-500);
    line-height: 1.6;
    margin: 0;
}
.profile3d-modal-actions {
    margin-top: auto;
}
/* Responsive */
@media (max-width: 720px) {
    .profile3d-modal-dialog {
        grid-template-columns: 1fr;
        grid-template-rows: 50vh auto;
        height: 95vh;
    }
    .profile3d-modal-info {
        padding: 24px 20px;
    }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 24px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--color-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 48px;
    max-width: 480px;
    width: 100%;
    text-align: center;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--color-gray-500);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-white);
}

.modal-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: rgba(200, 16, 46, 0.1);
    border: 1px solid rgba(200, 16, 46, 0.2);
}

.modal-icon svg {
    color: var(--color-red);
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.modal-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-gray-400);
    margin-bottom: 24px;
}

.modal-ref {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-gray-500);
    background: var(--color-black-light);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    display: block;
}

.modal-ref strong {
    color: var(--color-white);
}


/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: var(--color-black);
    border-top: 1px solid var(--border-subtle);
    padding: 72px 0 32px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 32px;
}

.footer-brand {}

.footer-logo {
    height: 24px;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--color-gray-600);
    max-width: 280px;
    line-height: 1.65;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--color-gray-600);
    padding: 5px 0;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--color-gray-700);
}

.footer-certs {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-gray-700);
    letter-spacing: 0.5px;
}


/* ==========================================================================
   PRIVACY SECTION
   ========================================================================== */
.privacy-section {
    background: var(--color-black-light);
}

.privacy-content {
    max-width: 800px;
}

.privacy-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 32px;
    margin-bottom: 12px;
}

.privacy-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}


/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-animate="fade-left"] {
    opacity: 0;
    transform: translateX(30px);
}

[data-animate].visible {
    opacity: 1;
    transform: translate(0, 0);
}


/* ==========================================================================
   RESPONSIVE — 1024px
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
        min-height: 300px;
    }

    #hero3d {
        /* canvas now fills full hero section */
    }

    .hero-capacity-badge {
        justify-content: center;
    }

    .hero-text {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .capacity-item + .capacity-item:nth-child(3)::before {
        display: none;
    }

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

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

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

    .about-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-visual {
        order: -1;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .config-layout {
        grid-template-columns: 1fr;
    }

    .config-preview {
        position: static;
    }

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

    .config-radio-group {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    /* CC responsive */
    .cc-main-layout {
        grid-template-columns: 1fr;
    }

    .cc-canvas-area {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        max-height: 500px;
    }

    .cc-canvas-wrapper {
        min-height: 350px;
        max-height: 400px;
        height: 350px;
        flex: none;
    }

    .cc-controls {
        max-height: none;
    }
}


/* ==========================================================================
   RESPONSIVE — 768px
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
        --nav-height: 60px;
    }

    .container {
        padding: 0 20px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .hero-title {
        font-size: clamp(36px, 10vw, 56px);
    }

    .nav-tagline {
        display: none;
    }

    .nav-link {
        font-size: 28px;
    }

    .nav-link-cta {
        font-size: 28px;
    }

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

    .capacity-value {
        font-size: 36px;
    }

    .capability-card {
        padding: 32px;
    }

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

    .config-steps {
        padding: 0;
    }

    .config-step-label {
        display: none;
    }

    .config-step-line {
        min-width: 12px;
        margin: 0 6px;
    }

    .config-inputs {
        grid-template-columns: 1fr;
    }

    .configurator {
        padding: 24px;
    }

    .config-mode-tabs {
        max-width: 100%;
    }

    .config-mode-tab {
        padding: 10px 12px;
        font-size: 13px;
    }

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

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

    .process-card {
        padding: 36px 28px;
    }

    .trust-stats {
        gap: 40px;
    }

    .trust-stat-value {
        font-size: 40px;
    }

    .trust-stat-suffix {
        font-size: 24px;
    }

    .cta-inner {
        padding: 56px 32px;
    }

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

    .contact-form {
        padding: 28px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    /* CC responsive */
    .cc-templates {
        flex-direction: column;
        align-items: flex-start;
    }

    .cc-toolbar {
        gap: 2px;
        padding: 6px 8px;
    }

    .cc-tool-btn span {
        display: none;
    }

    .cc-tool-btn {
        padding: 6px;
    }

    .cc-canvas-wrapper {
        min-height: 300px;
        max-height: 350px;
        height: 300px;
        flex: none;
    }

    .cc-canvas-area {
        max-height: 420px;
    }

    .cc-canvas-footer {
        flex-wrap: wrap;
        gap: 6px;
    }

    .cc-canvas-hint {
        order: 3;
        width: 100%;
        text-align: left;
    }

    .cc-info-grid {
        grid-template-columns: 1fr;
    }

    .lang-switcher {
        margin-left: 0;
        margin-top: 16px;
        align-self: center;
    }
}


/* ==========================================================================
   RESPONSIVE — 480px
   ========================================================================== */
@media (max-width: 480px) {
    :root {
        --section-padding: 60px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-text {
        font-size: 15px;
    }

    #hero3d {
        /* canvas fills full hero section */
    }

    .hero-capacity-badge {
        flex-wrap: wrap;
        gap: 6px 10px;
        font-size: 11px;
        padding: 8px 14px;
    }

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

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

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

    .capacity-value {
        font-size: 28px;
    }

    .capacity-label {
        font-size: 10px;
        letter-spacing: 1px;
    }

    .profile-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .profile-card {
        padding: 16px 12px;
    }

    .profile-card-icon {
        width: 48px;
        height: 48px;
    }

    .process-num {
        font-size: 40px;
    }

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

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .about-certs {
        gap: 6px;
    }

    .cert-badge {
        padding: 4px 12px;
        font-size: 10px;
    }

    .section-title {
        font-size: 28px;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 13px;
    }

    /* CC responsive */
    .cc-canvas-wrapper {
        min-height: 260px;
        max-height: 300px;
        height: 260px;
        flex: none;
    }

    .cc-canvas-area {
        max-height: 360px;
    }

    .cc-tpl-btn {
        min-width: 64px;
        padding: 6px 8px;
    }

    .cc-tpl-btn svg {
        width: 32px;
        height: 32px;
    }
}