/* ================================================================
   OAK OPERATIONS LLC — style.css
   Theme: Supply Chain meets Retro Tech
   Dark mode / Phosphor green + Amber accents
   ================================================================ */

/* ----------------------------------------------------------------
   0. CSS CUSTOM PROPERTIES (edit these to retheme quickly)
   ---------------------------------------------------------------- */
:root {
    /* Colors */
    --bg-base:        #0a0c0f;
    --bg-surface:     #0f1318;
    --bg-card:        #121820;
    --bg-card-hover:  #161e28;
    --border:         #1e2a38;
    --border-bright:  #2a3d52;

    --green:          #00ff88;
    --green-dim:      #00cc6a;
    --green-glow:     rgba(0, 255, 136, 0.15);
    --amber:          #ffb400;
    --amber-dim:      #cc9000;
    --amber-glow:     rgba(255, 180, 0, 0.15);
    --red:            #ff4444;
    --blue-accent:    #00aaff;

    --text-primary:   #e8edf2;
    --text-secondary: #8899aa;
    --text-dim:       #4a5a6a;

    /* Typography */
    --font-mono:  'Share Tech Mono', 'Courier New', monospace;
    --font-body:  'Inter', system-ui, sans-serif;
    --font-head:  'Orbitron', 'Share Tech Mono', monospace;

    /* Spacing */
    --section-gap: 100px;
    --container:   1160px;
    --nav-h:       64px;

    /* Effects */
    --transition: 0.2s ease;
    --glow-green: 0 0 12px rgba(0, 255, 136, 0.4), 0 0 30px rgba(0, 255, 136, 0.15);
    --glow-amber: 0 0 12px rgba(255, 180, 0, 0.4),  0 0 30px rgba(255, 180, 0, 0.15);
}

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

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.65;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul { list-style: none; }

img, svg { display: block; }

/* ----------------------------------------------------------------
   2. SCANLINE OVERLAY
   ---------------------------------------------------------------- */
.scanlines {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.06) 2px,
        rgba(0, 0, 0, 0.06) 4px
    );
    opacity: 0.5;
}

/* ----------------------------------------------------------------
   3. TYPOGRAPHY
   ---------------------------------------------------------------- */
h1, h2, h3, h4 {
    font-family: var(--font-head);
    line-height: 1.2;
    letter-spacing: 0.04em;
}

h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 900; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 700; }
h4 { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }

p { color: var(--text-secondary); }

.accent-green { color: var(--green); }
.accent-amber { color: var(--amber); }

/* ----------------------------------------------------------------
   4. UTILITIES
   ---------------------------------------------------------------- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--green);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 12px;
    opacity: 0.8;
}

.section-sub {
    max-width: 560px;
    margin: 16px auto 0;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ----------------------------------------------------------------
   5. BUTTONS
   ---------------------------------------------------------------- */
.btn-primary,
.btn-ghost,
.btn-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--green);
    color: #000;
    font-weight: 700;
    box-shadow: var(--glow-green);
}

.btn-primary:hover {
    background: #fff;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.6), 0 0 60px rgba(0, 255, 136, 0.25);
    transform: translateY(-1px);
}

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

.btn-ghost:hover {
    border-color: var(--green);
    color: var(--green);
    box-shadow: inset 0 0 12px var(--green-glow);
}

.btn-nav {
    background: transparent;
    color: var(--green);
    border: 1px solid var(--green);
    padding: 8px 18px;
    font-size: 0.78rem;
}

.btn-nav:hover {
    background: var(--green);
    color: #000;
}

.btn-full { width: 100%; }

.btn-calendly {
    background: var(--amber);
    color: #000;
    box-shadow: var(--glow-amber);
}

.btn-calendly:hover {
    background: #ffd166;
    box-shadow: 0 0 20px rgba(255, 180, 0, 0.6);
    transform: translateY(-1px);
}

/* ----------------------------------------------------------------
   6. NAV
   ---------------------------------------------------------------- */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: rgba(10, 12, 15, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: border-color var(--transition), background var(--transition);
}

#navbar.scrolled {
    border-bottom-color: var(--green-dim);
    background: rgba(10, 12, 15, 0.97);
}

.nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.15em;
    transition: color var(--transition);
}

.nav-logo:hover { color: var(--green); }

.logo-bracket { color: var(--green); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    transition: color var(--transition);
    text-transform: uppercase;
}

.nav-links a:hover { color: var(--green); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
}

/* ----------------------------------------------------------------
   7. HERO
   ---------------------------------------------------------------- */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-h);
    overflow: hidden;
}

#radarCanvas {
    position: absolute;
    top: 0; right: 0;
    width: 55%;
    height: 100%;
    opacity: 0.4;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    padding: 60px 24px 80px;
    margin-left: max(24px, calc((100vw - var(--container)) / 2));
}

.hero-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--green);
    letter-spacing: 0.2em;
    margin-bottom: 20px;
    opacity: 0.7;
}

.hero-headline {
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-sub {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 52px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--border);
    background: rgba(15, 19, 24, 0.8);
    padding: 20px 28px;
    max-width: 460px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 24px;
    flex: 1;
}

.stat:first-child { padding-left: 0; }
.stat:last-child  { padding-right: 0; }

.stat-num {
    font-family: var(--font-head);
    font-size: 1.6rem;
    font-weight: 900;
    line-height: 1;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
    flex-shrink: 0;
}

/* Scroll hint */
.hero-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    color: var(--text-dim);
    animation: fadeInUp 1s ease 1.5s both;
}

.scroll-arrow {
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, var(--green-dim), transparent);
    animation: scrollPulse 1.8s ease-in-out infinite;
}

/* ----------------------------------------------------------------
   8. SERVICES
   ---------------------------------------------------------------- */
#services {
    padding: var(--section-gap) 0;
    background: var(--bg-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 36px 28px;
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

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

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

.service-card.featured {
    border-color: rgba(0, 255, 136, 0.35);
    background: rgba(0, 255, 136, 0.03);
}

.service-card.featured::before { opacity: 0.6; }

.card-index {
    position: absolute;
    top: 20px;
    right: 24px;
    font-family: var(--font-head);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--border);
    line-height: 1;
    user-select: none;
    transition: color var(--transition);
}

.service-card:hover .card-index { color: var(--border-bright); }
.service-card.featured .card-index { color: rgba(0, 255, 136, 0.15); }

.card-title-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 12px;
}

.card-title-row h3 {
    margin-bottom: 0;
}

.card-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--amber);
    border: 1px solid var(--amber-dim);
    padding: 3px 10px;
    margin-bottom: 0;
    background: var(--amber-glow);
}

.card-icon {
    color: var(--green);
    margin-bottom: 20px;
    transition: color var(--transition);
}

.service-card:hover .card-icon { color: #fff; }
.service-card.featured .card-icon { color: var(--green); }

.service-card h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 1rem;
    letter-spacing: 0.06em;
}

.service-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-features li {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    padding-left: 16px;
    position: relative;
}

.card-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--green-dim);
}

/* ----------------------------------------------------------------
   8.5 DIAGNOSTIC (INTERACTIVE)
   ---------------------------------------------------------------- */
#diagnostic {
    padding: var(--section-gap) 0;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border);
}

.diag-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.diag-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition);
    border-radius: 2px;
}

.diag-card:hover {
    border-color: var(--border-bright);
    background: var(--bg-card-hover);
}

.diag-card.active {
    border-color: var(--green);
    background: rgba(0, 255, 136, 0.03);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.1);
}

.diag-card-num {
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--text-dim);
    transition: color var(--transition);
}

.diag-card.active .diag-card-num {
    color: var(--green);
}

.diag-card-title {
    font-family: var(--font-head);
    font-size: 0.95rem;
    font-weight: 700;
    margin: 10px 0 6px;
    color: var(--text-primary);
    letter-spacing: 0.04em;
}

.diag-card-desc {
    font-size: 0.76rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.diag-content-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 40px;
}

.diag-panel {
    display: none;
    opacity: 0;
}

.diag-panel.active {
    display: block;
    opacity: 1;
}

.diag-panel-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.diag-panel-col {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.panel-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: inline-block;
}

.diag-panel h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.panel-desc {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.symptom-root {
    background: rgba(255, 180, 0, 0.03);
    border-left: 3px solid var(--amber);
    padding: 16px 20px;
    margin-top: auto;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.symptom-root strong {
    color: var(--amber);
    display: block;
    margin-bottom: 4px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
}

.solution-col {
    border-left: 1px solid var(--border);
    padding-left: 48px;
}

.panel-benefits {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0 28px;
}

.panel-benefits li {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.panel-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: bold;
}

/* ----------------------------------------------------------------
   8.8 CASE STUDIES / SOLUTIONS IN ACTION
   ---------------------------------------------------------------- */
#cases {
    padding: var(--section-gap) 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
    border-radius: 2px;
}

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

.case-badge {
    align-self: flex-start;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 10px;
    border: 1px solid;
    margin-bottom: 24px;
    border-radius: 1px;
}

.case-badge.accent-green {
    border-color: var(--green-dim);
    background: var(--green-glow);
    color: var(--green);
}

.case-badge.accent-amber {
    border-color: var(--amber-dim);
    background: var(--amber-glow);
    color: var(--amber);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.case-header h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}

.case-stat {
    font-family: var(--font-head);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--green);
    text-align: right;
    line-height: 1;
    white-space: nowrap;
}

.case-stat-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
    font-weight: normal;
}

.case-desc {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-style: italic;
}

.case-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: auto;
}

.case-detail-item {
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.case-detail-item strong {
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 2px;
}

/* ----------------------------------------------------------------
   9. ABOUT US
   ---------------------------------------------------------------- */
#about {
    padding: var(--section-gap) 0;
}

.background-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* Bio card */
.bio-card {
    border: 1px solid var(--border);
    background: var(--bg-card);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.bio-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

.bio-roles {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bio-role {
    padding-left: 16px;
    border-left: 2px solid var(--green-dim);
}

.bio-role-title {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--green);
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.bio-role p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.bio-education {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.bio-edu-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.bio-edu-degree {
    font-size: 0.92rem;
    color: var(--amber);
    font-weight: 600;
}

.bio-edu-conc {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* Skill bars */
.expertise-panel { display: flex; flex-direction: column; gap: 32px; }

.exp-title {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.expertise-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 8px;
}

.expertise-list li {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-left: 2px solid var(--green-dim);
    transition: color var(--transition), background var(--transition), border-left-color var(--transition);
}

.expertise-list li:hover {
    color: var(--text-primary);
    background: rgba(0, 255, 136, 0.04);
    border-left-color: var(--green);
}


/* Industry tags */
.industries h4 {
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 5px 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: all var(--transition);
    cursor: default;
}

.tag:hover {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-glow);
}

/* ----------------------------------------------------------------
   10. CONTACT
   ---------------------------------------------------------------- */
#contact {
    padding: var(--section-gap) 0;
    background: var(--bg-surface);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 40px;
    align-items: start;
}

/* Form */
.contact-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 36px;
}

.form-title {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
}

/* Progress Bar */
.quiz-progress-wrap {
    margin-bottom: 28px;
}

.quiz-progress-track {
    background: var(--border);
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.quiz-progress-bar {
    background: var(--green);
    height: 100%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--green-glow);
}

.quiz-progress-text {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-secondary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

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

.quiz-step.active {
    display: block;
    animation: fadeInUp 0.4s ease both;
}

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

.quiz-group.margin-top-24 {
    margin-top: 24px;
}

.quiz-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 12px;
}

/* Selector Grids */
.quiz-selector-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.quiz-chip-btn {
    background: var(--bg-base);
    border: 1px solid var(--border);
    padding: 16px;
    cursor: pointer;
    transition: all var(--transition);
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.quiz-chip-btn:hover {
    border-color: var(--border-bright);
    background: var(--bg-card-hover);
}

.quiz-chip-btn.active {
    border-color: var(--green);
    background: rgba(0, 255, 136, 0.03);
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.08);
}

.quiz-chip-btn .chip-title {
    display: block;
    font-family: var(--font-head);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.quiz-chip-btn .chip-subtitle {
    display: block;
    font-size: 0.68rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* Pills row */
.quiz-pills-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quiz-pill-check {
    background: var(--bg-base);
    border: 1px solid var(--border);
    padding: 8px 14px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: all var(--transition);
    border-radius: 2px;
    user-select: none;
}

.quiz-pill-check:hover {
    border-color: var(--border-bright);
    background: var(--bg-card-hover);
}

.quiz-pill-check.active {
    border-color: var(--green);
    background: rgba(0, 255, 136, 0.06);
    color: var(--green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.06);
}

/* Selector Grid 2 */
.quiz-selector-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.quiz-chip-radio {
    background: var(--bg-base);
    border: 1px solid var(--border);
    padding: 12px 14px;
    cursor: pointer;
    text-align: center;
    transition: all var(--transition);
    border-radius: 2px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    user-select: none;
}

.quiz-chip-radio:hover {
    border-color: var(--border-bright);
    background: var(--bg-card-hover);
}

.quiz-chip-radio.active {
    border-color: var(--green);
    background: rgba(0, 255, 136, 0.06);
    color: var(--green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.06);
}

/* Actions */
.quiz-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.quiz-actions.split {
    justify-content: space-between;
}

.quiz-actions .btn-ghost {
    padding: 10px 24px;
    font-size: 0.78rem;
}

.quiz-actions .btn-primary {
    padding: 10px 24px;
    font-size: 0.78rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.required { color: var(--green); }

.form-group input,
.form-group textarea {
    background: var(--bg-base);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 11px 14px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    resize: vertical;
    border-radius: 0;
    appearance: none;
    -webkit-appearance: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--green-dim);
    box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--red);
}

/* Form messages */
.form-msg {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    border: 1px solid;
}

.form-msg.success {
    border-color: var(--green-dim);
    background: rgba(0, 255, 136, 0.06);
    color: var(--green);
}

.form-msg.error {
    border-color: var(--red);
    background: rgba(255, 68, 68, 0.06);
    color: #ff7777;
}

.msg-icon {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

/* Calendly aside */
.contact-aside { display: flex; flex-direction: column; gap: 24px; }

.calendly-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 28px;
}

.calendly-desc {
    font-size: 0.88rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.calendly-note {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-dim);
    text-align: center;
    margin-top: 12px;
    letter-spacing: 0.06em;
}

.contact-info-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 24px 28px;
}

.contact-info-block h4 {
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.contact-links { display: flex; flex-direction: column; gap: 12px; }

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    transition: color var(--transition);
    word-break: break-all;
}

.contact-link:hover { color: var(--green); }
.contact-link svg { flex-shrink: 0; color: var(--text-dim); }
.contact-link:hover svg { color: var(--green); }

/* ----------------------------------------------------------------
   11. FOOTER
   ---------------------------------------------------------------- */
#footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    background: var(--bg-base);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    font-family: var(--font-head);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.footer-tagline {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-dim);
    margin-top: 6px;
    letter-spacing: 0.08em;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color var(--transition);
}

.footer-links a:hover { color: var(--green); }

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-dim);
    text-align: right;
    line-height: 1.7;
    letter-spacing: 0.04em;
}

.footer-domain { color: var(--green-dim); }

/* ----------------------------------------------------------------
   12. ANIMATIONS
   ---------------------------------------------------------------- */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

@keyframes scrollPulse {
    0%   { opacity: 1; transform: scaleY(1); }
    50%  { opacity: 0.4; transform: scaleY(0.6); }
    100% { opacity: 1; transform: scaleY(1); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes radarSpin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* Animate-in class (triggered by JS) */
.animate-in {
    animation: fadeInUp 0.6s ease both;
}

/* ----------------------------------------------------------------
   13. RESPONSIVE
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
    .background-layout {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 768px) {
    :root {
        --section-gap: 72px;
    }

    /* Mobile nav */
    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        background: rgba(10, 12, 15, 0.98);
        border-bottom: 1px solid var(--border);
        padding: 16px 0;
    }

    .nav-links.open { display: flex; }

    .nav-links li { width: 100%; }

    .nav-links a {
        display: block;
        padding: 12px 24px;
        font-size: 0.85rem;
    }

    .nav-links .btn-nav {
        margin: 8px 24px;
        width: calc(100% - 48px);
        text-align: center;
    }

    /* Hero */
    #radarCanvas { opacity: 0.15; width: 100%; }

    .hero-content {
        margin-left: 0;
        padding: 40px 24px 60px;
    }

    .hero-stats {
        flex-wrap: wrap;
        max-width: 100%;
        gap: 16px;
    }

    .stat-divider { display: none; }
    .stat { padding: 0; }

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

    /* Diagnostic & Cases */
    .diag-tabs {
        grid-template-columns: 1fr;
    }

    .diag-panel-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .diag-content-panel {
        padding: 24px;
    }

    .solution-col {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--border);
        padding-top: 28px;
    }

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

    /* Lead Wizard */
    .quiz-selector-grid,
    .quiz-selector-grid-2 {
        grid-template-columns: 1fr;
    }

    /* Background */
    .background-layout { grid-template-columns: 1fr; }

    .skill-track { width: 80px; }

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

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

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

    .contact-form-wrap { padding: 24px 20px; }

    /* Footer */
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .footer-copy { text-align: left; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.4rem; }

    .hero-cta-group { flex-direction: column; }
    .btn-primary, .btn-ghost { width: 100%; text-align: center; }
}