/* ========================================
   PORTFOLIO WEBSITE - DARK THEME
   Built for speed, clarity, and impact
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #1a1a1d;
    --bg-card: #16161a;
    --bg-card-hover: #1e1e23;

    --text-primary: #ededef;
    --text-secondary: #a0a0a6;
    --text-muted: #6b6b70;

    --accent-primary: #3b82f6;
    --accent-primary-hover: #2563eb;
    --accent-secondary: #10b981;
    --accent-glow: rgba(59, 130, 246, 0.15);

    --border-color: #27272a;
    --border-light: #1f1f23;

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

    /* 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;

    /* Layout */
    --max-width: 1200px;
    --content-width: 800px;

    /* Effects */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);
}

/* ========================================
   RESET & BASE
   ======================================== */

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

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

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
}

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

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

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

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
    color: var(--text-secondary);
    max-width: 65ch;
}

.text-muted {
    color: var(--text-muted);
}

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

.text-mono {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

/* ========================================
   LAYOUT
   ======================================== */

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

.container--narrow {
    max-width: var(--content-width);
}

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

.section-header {
    margin-bottom: var(--space-2xl);
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav__logo {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav__logo-mark {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav__link {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

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

.nav__cta {
    padding: var(--space-sm) var(--space-lg);
    background: var(--accent-primary);
    color: var(--bg-primary) !important;
    border-radius: 6px;
    font-weight: 500;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav__cta:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
}

/* Mobile Nav Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center top, var(--accent-glow) 0%, transparent 50%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    max-width: 900px;
}

.hero__tagline {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.hero__tagline::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--accent-primary);
}

.hero__title {
    margin-bottom: var(--space-lg);
}

.hero__title span {
    display: block;
}

.hero__highlight {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
}

.hero__cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn--primary:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

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

.btn--secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn--large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.0625rem;
}

/* ========================================
   CARDS
   ======================================== */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-xl);
    transition: all var(--transition-normal);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
    transform: translateY(-4px);
}

.card--link {
    display: block;
    text-decoration: none;
}

.card__label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.card__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.card__description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
}

/* ========================================
   PROJECT GRID
   ======================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-xl);
}

/* Featured Project (larger) */
.card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    padding: var(--space-2xl);
}

.card--featured .card__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card--featured .card__visual {
    background: var(--bg-tertiary);
    border-radius: 8px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* ========================================
   WHAT I DO SECTION
   ======================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
}

.service-card__icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: var(--accent-primary);
}

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

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

/* ========================================
   APPROACH SECTION
   ======================================== */

.approach-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    max-width: 700px;
}

.approach-item {
    display: flex;
    gap: var(--space-xl);
}

.approach-item__number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-primary);
    flex-shrink: 0;
    padding-top: 4px;
}

.approach-item__content h3 {
    margin-bottom: var(--space-sm);
}

.approach-item__content p {
    font-size: 0.9375rem;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    text-align: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.cta-section h2 {
    margin-bottom: var(--space-md);
}

.cta-section p {
    margin: 0 auto var(--space-xl);
    max-width: 500px;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border-light);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer__links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
}

.footer__link {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

/* ========================================
   ABOUT PAGE
   ======================================== */

.about-hero {
    padding-top: calc(72px + var(--space-4xl));
    padding-bottom: var(--space-4xl);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
}

.about-sidebar {
    position: sticky;
    top: calc(72px + var(--space-xl));
}

.about-main h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.about-main h2:first-child {
    margin-top: 0;
}

.about-main p {
    margin-bottom: var(--space-md);
}

/* ========================================
   SOLUTION PAGE (Case Study)
   ======================================== */

.solution-hero {
    padding-top: calc(72px + var(--space-4xl));
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border-light);
}

.solution-hero__label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.solution-hero h1 {
    margin-bottom: var(--space-md);
}

.solution-hero__meta {
    display: flex;
    gap: var(--space-xl);
    color: var(--text-muted);
    font-size: 0.9375rem;
}

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

.solution-section {
    margin-bottom: var(--space-3xl);
}

.solution-section h2 {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-light);
}

.solution-section h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.solution-section p {
    margin-bottom: var(--space-md);
}

.solution-section ul {
    list-style: none;
    margin-bottom: var(--space-md);
}

.solution-section li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.solution-section li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* Architecture Diagram Placeholder */
.diagram-placeholder {
    background: var(--bg-tertiary);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: var(--space-3xl);
    text-align: center;
    color: var(--text-muted);
    margin: var(--space-xl) 0;
}

/* Code Block */
.code-block {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    overflow-x: auto;
    margin: var(--space-lg) 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.stat {
    text-align: center;
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: 8px;
}

.stat__number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    display: block;
}

.stat__label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ========================================
   CONTACT PAGE & PROJECT BUILDER
   ======================================== */

.contact-section {
    padding-top: calc(72px + var(--space-4xl));
}

/* Path Selection */
.path-selection {
    max-width: 900px;
    margin: 0 auto;
}

.path-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.path-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: var(--space-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.path-card:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.path-card__icon {
    width: 64px;
    height: 64px;
    background: var(--accent-glow);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin-bottom: var(--space-lg);
}

.path-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.path-card__description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.path-card__time {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
}

/* Back to Paths Button */
.back-to-paths {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    padding: var(--space-sm) 0;
    margin-bottom: var(--space-xl);
    transition: color var(--transition-fast);
}

.back-to-paths:hover {
    color: var(--text-primary);
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
}

.contact-info h1 {
    margin-bottom: var(--space-md);
}

.contact-info p {
    margin-bottom: var(--space-xl);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: var(--space-md);
}

.contact-method__icon {
    width: 40px;
    height: 40px;
    background: var(--accent-glow);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.contact-method__label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-method__value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Contact Form */
.contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.form-label .required {
    color: #ef4444;
}

.form-label .optional {
    color: var(--text-muted);
    font-weight: 400;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236b6b70' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Form Messages */
.form-message {
    padding: var(--space-md) var(--space-lg);
    border-radius: 8px;
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-message--success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.form-message--error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* ========================================
   PROJECT BUILDER WIZARD
   ======================================== */

.wizard-container {
    max-width: 800px;
    margin: 0 auto;
}

/* Progress Indicator */
.wizard-progress {
    margin-bottom: var(--space-3xl);
}

.wizard-progress__track {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    margin-bottom: var(--space-lg);
    overflow: hidden;
}

.wizard-progress__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
    width: 20%;
    transition: width var(--transition-normal);
}

.wizard-progress__steps {
    display: flex;
    justify-content: space-between;
}

.wizard-progress__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.wizard-progress__step.active,
.wizard-progress__step.completed {
    opacity: 1;
}

.wizard-progress__dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.wizard-progress__step.active .wizard-progress__dot {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.wizard-progress__step.completed .wizard-progress__dot {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: white;
}

.wizard-progress__label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.wizard-progress__step.active .wizard-progress__label {
    color: var(--text-primary);
}

/* Wizard Steps */
.wizard-step {
    display: none;
    animation: fadeIn 0.3s ease;
}

.wizard-step.active {
    display: block;
}

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

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

.wizard-step__header h2 {
    margin-bottom: var(--space-sm);
}

.wizard-step__header p {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Selection Cards (2x2 grid, expandable to 3x2) */
.selection-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.selection-cards--6 {
    grid-template-columns: repeat(3, 1fr);
}

.selection-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-xl);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.selection-card:hover {
    border-color: var(--text-muted);
    background: var(--bg-card-hover);
}

.selection-card.selected {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.08);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.selection-card__icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.selection-card.selected .selection-card__icon {
    background: var(--accent-primary);
    color: white;
}

.selection-card__title {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.selection-card__description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Industry Cards (2x3 grid) */
.industry-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.industry-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.industry-card:hover {
    border-color: var(--text-muted);
    background: var(--bg-card-hover);
}

.industry-card.selected {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.08);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.industry-card__icon {
    font-size: 1.75rem;
    line-height: 1;
}

.industry-card__title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.3;
}

/* Systems Section Groups */
.systems-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
}

.systems-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.systems-section__title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

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

/* Compliance Checkboxes */
.checkbox-group--compliance {
    grid-template-columns: repeat(3, 1fr);
}

.checkbox-label--compliance {
    background: var(--bg-tertiary);
}

/* Pain Points Checkboxes */
.checkbox-group--painpoints {
    grid-template-columns: repeat(2, 1fr);
}

/* Success Metrics */
.checkbox-group--metrics {
    grid-template-columns: repeat(3, 1fr);
}

/* Decision Makers */
.checkbox-group--decisionmakers {
    grid-template-columns: repeat(3, 1fr);
}

/* Info Tooltip */
.info-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: help;
    margin-left: var(--space-xs);
    vertical-align: middle;
}

/* Wizard Navigation */
.wizard-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-light);
}

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

.wizard-skip {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    padding: var(--space-sm);
    transition: color var(--transition-fast);
}

.wizard-skip:hover {
    color: var(--text-primary);
}

.wizard-next:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Pill Buttons */
.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.pill {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pill:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.pill.selected {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Budget Cards */
.budget-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
}

.budget-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.budget-card:hover {
    border-color: var(--text-muted);
}

.budget-card.selected {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.08);
}

.budget-card__amount {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.budget-card__description {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkbox-label:hover {
    border-color: var(--text-muted);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
}

.checkbox-label span {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Final Step Grid */
.wizard-final-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.wizard-contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--space-xl);
}

/* Summary Panel */
.wizard-summary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-xl);
    position: sticky;
    top: calc(72px + var(--space-xl));
}

.wizard-summary h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.summary-content {
    font-size: 0.9375rem;
}

.summary-empty {
    color: var(--text-muted);
    font-style: italic;
}

.summary-item {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-light);
}

.summary-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.summary-item__label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

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

.summary-item__edit {
    font-size: 0.75rem;
    color: var(--accent-primary);
    cursor: pointer;
    margin-left: var(--space-sm);
}

.summary-item__edit:hover {
    text-decoration: underline;
}

/* ========================================
   UTILITIES
   ======================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 968px) {
    .card--featured {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-sidebar {
        position: relative;
        top: 0;
    }

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

    .wizard-final-grid {
        grid-template-columns: 1fr;
    }

    .wizard-summary {
        position: relative;
        top: 0;
        order: -1;
    }
}

@media (max-width: 968px) {
    /* 6-column selection cards to 2 columns */
    .selection-cards--6 {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Industry cards to 2 columns */
    .industry-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Compliance/metrics checkboxes to 2 columns */
    .checkbox-group--compliance,
    .checkbox-group--metrics,
    .checkbox-group--decisionmakers {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --space-4xl: 4rem;
    }

    .nav__links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: var(--space-lg);
        gap: var(--space-md);
    }

    .nav__links.active {
        display: flex;
    }

    .nav__toggle {
        display: flex;
    }

    .hero__cta-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

    .footer__content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    /* Project Builder Mobile */
    .path-cards {
        grid-template-columns: 1fr;
    }

    .selection-cards,
    .selection-cards--6 {
        grid-template-columns: 1fr;
    }

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

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

    .checkbox-group,
    .checkbox-group--systems,
    .checkbox-group--compliance,
    .checkbox-group--painpoints,
    .checkbox-group--metrics,
    .checkbox-group--decisionmakers {
        grid-template-columns: 1fr;
    }

    .wizard-progress__label {
        display: none;
    }

    .wizard-progress__steps {
        justify-content: center;
        gap: var(--space-md);
    }

    .wizard-progress__dot {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .pill-group {
        justify-content: center;
    }

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

    .wizard-nav {
        flex-direction: column;
        gap: var(--space-md);
    }

    .wizard-nav__right {
        width: 100%;
        flex-direction: column-reverse;
    }

    .wizard-nav .btn {
        width: 100%;
    }

    /* Summary collapsible on mobile */
    .wizard-summary {
        margin-bottom: var(--space-xl);
    }

    .wizard-summary h4 {
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .wizard-summary h4::after {
        content: '▼';
        font-size: 0.625rem;
        transition: transform var(--transition-fast);
    }

    .wizard-summary.collapsed h4::after {
        transform: rotate(-90deg);
    }

    .wizard-summary.collapsed .summary-content {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .solution-hero__meta {
        flex-direction: column;
        gap: var(--space-sm);
    }

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

    /* Industry cards single column on small screens */
    .industry-cards {
        grid-template-columns: 1fr;
    }

    /* Budget cards single column */
    .budget-cards {
        grid-template-columns: 1fr;
    }

    /* Smaller progress dots */
    .wizard-progress__dot {
        width: 24px;
        height: 24px;
        font-size: 0.6875rem;
    }

    .wizard-progress__steps {
        gap: var(--space-sm);
    }
}