/* ========================================
   ELVAX SYSTEMS - Futuristic Theme
   ======================================== */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
    /* Colors - Dark Futuristic Theme */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: rgba(18, 18, 26, 0.8);

    /* Neon Accent Colors */
    --color-cyan: #00f0ff;
    --color-cyan-dim: rgba(0, 240, 255, 0.1);
    --color-cyan-glow: rgba(0, 240, 255, 0.3);
    --color-blue: #0066ff;
    --color-blue-dim: rgba(0, 102, 255, 0.1);
    --color-purple: #8b5cf6;
    --color-purple-dim: rgba(139, 92, 246, 0.1);
    --color-magenta: #ff00ff;

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-tertiary: rgba(255, 255, 255, 0.5);
    --color-text-muted: rgba(255, 255, 255, 0.35);

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-blue) 50%, var(--color-purple) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 240, 255, 0.2) 0%, rgba(0, 102, 255, 0.2) 100%);

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 240, 255, 0.3);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Orbitron', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius - SUBTLE, not rounded */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    /* Shadows */
    --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.15);
    --shadow-glow-strong: 0 0 40px rgba(0, 240, 255, 0.25);
    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

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

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

/* Grid Background */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Layout
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

/* ========================================
   Typography
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: var(--transition-base);
    background: transparent;
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.logo-text {
    color: var(--color-text-primary);
}

.logo-accent {
    color: var(--color-cyan);
    text-shadow: 0 0 20px var(--color-cyan-glow);
}

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

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-sm) var(--space-md);
    position: relative;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

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

.nav-link:hover::after {
    width: 80%;
}

.nav-link--cta {
    background: rgba(0, 240, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-text-primary) !important;
    border: 1px solid rgba(0, 240, 255, 0.4);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 1001;
}

.hamburger {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    position: relative;
    transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
    background: var(--color-cyan);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
    background: var(--color-cyan);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-icon {
    width: 18px;
    height: 18px;
    transition: var(--transition-base);
}

.btn-primary {
    background: rgba(0, 240, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-text-primary);
    border: 1px solid rgba(0, 240, 255, 0.4);
}

.btn-primary:hover {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
    transform: translateY(-2px);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--border-glow);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: var(--transition-base);
}

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

.btn-secondary:hover::before {
    opacity: 1;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-cyan-dim) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-cyan-dim);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-cyan);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border-color);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-shadow: 0 0 30px var(--color-cyan-glow);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* Hero Visual - Circuit Lines */
.hero-visual {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.circuit-lines {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    height: 60%;
}

.circuit-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
    animation: circuit-flow 3s ease-in-out infinite;
}

.circuit-line:nth-child(1) {
    top: 20%;
    width: 80%;
    left: 20%;
    animation-delay: 0s;
}

.circuit-line:nth-child(2) {
    top: 50%;
    width: 60%;
    left: 40%;
    animation-delay: 1s;
}

.circuit-line:nth-child(3) {
    top: 80%;
    width: 70%;
    left: 30%;
    animation-delay: 2s;
}

@keyframes circuit-flow {

    0%,
    100% {
        opacity: 0.1;
    }

    50% {
        opacity: 0.6;
    }
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    margin-bottom: var(--space-3xl);
}

.section-header--center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

.section-header--center .section-subtitle {
    margin: 0 auto;
}

/* ========================================
   About Section
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-lead {
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.about-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

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

.highlight-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-cyan-dim);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
}

.highlight-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-cyan);
}

.highlight-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.highlight-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.highlight-text span {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* Tech Cube Animation */
.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    perspective: 800px;
}

.tech-cube {
    width: 180px;
    height: 180px;
    position: relative;
    transform-style: preserve-3d;
    animation: cube-rotate 20s linear infinite;
}

@keyframes cube-rotate {
    0% {
        transform: rotateX(-20deg) rotateY(0deg);
    }

    100% {
        transform: rotateX(-20deg) rotateY(360deg);
    }
}

.cube-face {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-cyan);
    background: rgba(0, 240, 255, 0.03);
    box-shadow: inset 0 0 30px rgba(0, 240, 255, 0.05);
}

.cube-front {
    transform: translateZ(90px);
}

.cube-back {
    transform: rotateY(180deg) translateZ(90px);
}

.cube-left {
    transform: rotateY(-90deg) translateZ(90px);
}

.cube-right {
    transform: rotateY(90deg) translateZ(90px);
}

.cube-top {
    transform: rotateX(90deg) translateZ(90px);
}

.cube-bottom {
    transform: rotateX(-90deg) translateZ(90px);
}

/* ========================================
   Services Section
   ======================================== */
.section-services {
    background: var(--color-bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

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

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-cyan-dim);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-cyan);
}

.service-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.service-features li {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    padding-left: var(--space-md);
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 4px;
    height: 4px;
    background: var(--color-cyan);
    border-radius: 1px;
}

/* ========================================
   Process Section
   ======================================== */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-line {
    position: absolute;
    left: 40px;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-cyan), var(--color-purple));
    opacity: 0.3;
}

.process-step {
    display: flex;
    gap: var(--space-xl);
    padding-bottom: var(--space-2xl);
    position: relative;
}

.process-step:last-child {
    padding-bottom: 0;
}

.step-number {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-cyan);
    background: var(--color-bg-primary);
    border: 2px solid var(--color-cyan);
    border-radius: var(--radius-md);
    position: relative;
    z-index: 1;
    box-shadow: 0 0 30px var(--color-cyan-glow);
}

.step-content {
    flex: 1;
    padding-top: var(--space-md);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.step-desc {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   Why Section
   ======================================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.why-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-base);
}

.why-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.why-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-glow);
    border-radius: var(--radius-md);
}

.why-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-cyan);
}

.why-title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.why-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   Contact Section
   ======================================== */
.section-contact {
    background: var(--color-bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-lead {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-cyan-dim);
    border-radius: var(--radius-md);
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-cyan);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-text a:hover {
    color: var(--color-cyan);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' 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;
    background-size: 16px;
}

.form-select option {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

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

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.form-checkbox input {
    display: none;
}

.checkbox-mark {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-top: 2px;
    transition: var(--transition-base);
}

.checkbox-mark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid var(--color-bg-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: var(--transition-fast);
}

.form-checkbox input:checked+.checkbox-mark {
    background: var(--color-cyan);
    border-color: var(--color-cyan);
}

.form-checkbox input:checked+.checkbox-mark::after {
    transform: rotate(45deg) scale(1);
}

.checkbox-text a {
    color: var(--color-cyan);
    text-decoration: underline;
}

.checkbox-text a:hover {
    color: var(--color-text-primary);
}

.btn-submit {
    width: 100%;
}

.form-status {
    grid-column: 1 / -1;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

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

.footer-col {
    min-width: 140px;
}

.footer-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col a {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    transition: var(--transition-base);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about-visual {
        order: -1;
        min-height: 200px;
    }

    .tech-cube {
        width: 120px;
        height: 120px;
    }

    .cube-front {
        transform: translateZ(60px);
    }

    .cube-back {
        transform: rotateY(180deg) translateZ(60px);
    }

    .cube-left {
        transform: rotateY(-90deg) translateZ(60px);
    }

    .cube-right {
        transform: rotateY(90deg) translateZ(60px);
    }

    .cube-top {
        transform: rotateX(90deg) translateZ(60px);
    }

    .cube-bottom {
        transform: rotateX(-90deg) translateZ(60px);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-secondary);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        padding: 100px var(--space-xl) var(--space-xl);
        gap: var(--space-sm);
        transform: translateX(100%);
        transition: var(--transition-base);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        padding: var(--space-md);
        font-size: 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link::after {
        display: none;
    }

    .nav-link--cta {
        margin-top: var(--space-md);
        text-align: center;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

    .hero-visual {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

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

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

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Why */
    .why-grid {
        grid-template-columns: 1fr;
    }

    /* Process */
    .process-line {
        left: 20px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: var(--space-2xl);
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .process-step {
        flex-direction: column;
        padding-left: 60px;
        gap: var(--space-md);
    }

    .step-number {
        position: absolute;
        left: 0;
    }

    .step-content {
        padding-top: 0;
    }
}

/* ========================================
   DIAGNOSTIC PAGE STYLES
   ======================================== */

/* Diagnostic Hero */
.diagnostic-hero {
    padding: 140px 0 60px;
    position: relative;
    overflow: hidden;
}

.diagnostic-hero-content {
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
}

.diagnostic-hero .hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
}

.diagnostic-hero .hero-subtitle {
    max-width: 600px;
    margin: 0 auto;
}

/* Diagnostic Section */
.diagnostic-section {
    padding-top: var(--space-xl);
}

.diagnostic-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

/* Form Container */
.diagnostic-form-container {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

/* Form Steps */
.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-header {
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.step-indicator {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-cyan-dim);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.step-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.step-desc {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* Questions Container */
.questions-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* Question Card */
.question-card {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.question-card.error {
    border-color: #ef4444;
    animation: shake 0.5s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

.question-number {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-shadow: 0 0 20px var(--color-cyan-glow);
    flex-shrink: 0;
    width: 40px;
}

.question-content {
    flex: 1;
}

.question-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.question-hint {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-md);
}

/* Radio Options */
.question-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
}

.radio-option:hover {
    border-color: var(--border-glow);
}

.radio-option input {
    display: none;
}

.radio-mark {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    transition: var(--transition-base);
}

.radio-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 8px;
    height: 8px;
    background: var(--color-cyan);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.radio-option input:checked+.radio-mark {
    border-color: var(--color-cyan);
}

.radio-option input:checked+.radio-mark::after {
    transform: translate(-50%, -50%) scale(1);
}

.radio-option input:checked~.radio-text {
    color: var(--color-text-primary);
}

.radio-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: var(--transition-base);
}

/* GDPR Section */
.gdpr-section {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.gdpr-checkbox .checkbox-text {
    font-size: 0.8125rem;
    line-height: 1.6;
}

/* Step Actions */
.step-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.step-actions .btn-next:only-child {
    margin-left: auto;
}

.btn-icon--left {
    order: -1;
}

/* Form Input Error State */
.form-input.error,
.form-select.error {
    border-color: #ef4444;
}

/* ========================================
   RESULTS DISPLAY
   ======================================== */
.result-container {
    display: none;
}

.result-card {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
}

.result-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-icon svg {
    width: 64px;
    height: 64px;
}

.result-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.result-score {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.score-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-shadow: 0 0 30px var(--color-cyan-glow);
}

.score-max {
    font-size: 1.25rem;
    color: var(--color-text-tertiary);
}

.result-bar {
    width: 100%;
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-xl);
}

.result-bar-fill {
    height: 100%;
    width: 0;
    background: var(--color-cyan);
    border-radius: 4px;
    transition: width 1s ease;
}

.result-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

/* Breakdown */
.result-breakdown {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
    text-align: left;
}

.breakdown-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.breakdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.breakdown-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.breakdown-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.breakdown-bar {
    height: 6px;
    background: var(--color-bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.breakdown-bar-fill {
    height: 100%;
    width: 0;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width 0.8s ease 0.3s;
}

/* Result CTA */
.result-cta {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.cta-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

/* ========================================
   DIAGNOSTIC CTA BANNER (for index.html)
   ======================================== */
.cta-banner {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-3xl) 0;
}

.cta-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2xl);
}

.cta-banner-text {
    max-width: 600px;
}

.cta-banner-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.cta-banner-desc {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* Active nav link */
.nav-link.active {
    color: var(--color-cyan);
}

.nav-link.active::after {
    width: 80%;
}

/* ========================================
   DIAGNOSTIC RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .diagnostic-hero {
        padding: 120px 0 40px;
    }

    .diagnostic-form-container {
        padding: var(--space-lg);
    }

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

    .question-card {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .question-number {
        width: auto;
    }

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

    .step-actions .btn {
        width: 100%;
    }

    .step-actions .btn-next:only-child {
        margin-left: 0;
    }

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

    .cta-banner-content {
        flex-direction: column;
        text-align: center;
    }

    .cta-banner-text {
        max-width: none;
    }
}