/* ========================================
   Rivet Software
   Industrial Editorial Design System
   ======================================== */

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

:root {
    /* Palette: Control Room Dark */
    --bg-void: #06090f;
    --bg-deep: #0a0f1a;
    --bg-surface: #0e1525;
    --bg-raised: #131c30;
    --bg-hover: #182340;

    /* Accent: Terminal Amber + Signal Blue */
    --amber: #f0a500;
    --amber-dim: #c48800;
    --amber-glow: rgba(240, 165, 0, 0.12);
    --amber-hot: #ffbe2e;
    --signal-blue: #00b4d8;
    --signal-blue-dim: rgba(0, 180, 216, 0.15);
    --signal-green: #22c55e;

    /* Text */
    --text-bright: #eae8e4;
    --text-primary: #c8c4bc;
    --text-muted: #7a7670;
    --text-dim: #4a463f;

    /* Borders */
    --border: rgba(234, 232, 228, 0.06);
    --border-accent: rgba(240, 165, 0, 0.2);

    /* Typography */
    --font-display: 'Big Shoulders Display', Impact, sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;
    --font-body: 'Outfit', 'Segoe UI', sans-serif;

    /* Spacing */
    --container-max: 1180px;
    --section-pad: 120px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

::selection {
    background: var(--amber);
    color: var(--bg-void);
}

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

ul { list-style: none; }

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

/* --- Skip Link (accessibility) --- */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    z-index: 10002;
    padding: 12px 24px;
    background: var(--amber);
    color: var(--bg-void);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 16px;
}

/* --- Grid Overlay (subtle industrial texture) --- */
.grid-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.4;
    will-change: transform;
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 0.95;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

h1 {
    font-size: clamp(3.5rem, 10vw, 7.5rem);
    color: var(--text-bright);
}

h2 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    color: var(--text-bright);
}

h3 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.text-accent {
    color: var(--amber);
    position: relative;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--amber);
    color: var(--bg-void);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--amber-hot);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out);
}

.btn-primary:hover::before {
    transform: scaleX(1);
}

.btn-primary .btn-text,
.btn-primary .btn-arrow {
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    box-shadow: 0 0 40px rgba(240, 165, 0, 0.25);
}

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

.btn-arrow {
    transition: transform 0.4s var(--ease-out);
    font-size: 1.1rem;
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 15px 32px;
}

.btn-ghost:hover {
    border-color: var(--amber);
    color: var(--amber);
    background: var(--amber-glow);
}

.btn-nav {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid var(--amber);
    color: var(--amber);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.btn-nav:hover {
    background: var(--amber);
    color: var(--bg-void);
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.5s var(--ease-out);
}

.navbar.scrolled {
    background: rgba(6, 9, 15, 0.92);
    backdrop-filter: blur(20px);
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-rivet-mark {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    color: var(--amber);
}

.logo-wordmark {
    display: flex;
    flex-direction: column;
    gap: 0;
    line-height: 1;
}

.logo-wordmark-rivet {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: var(--text-bright);
    padding-bottom: 4px;
    border-bottom: 2px solid var(--amber);
}

.logo-wordmark-software {
    font-family: 'Outfit', sans-serif;
    font-size: 0.58rem;
    font-weight: 400;
    letter-spacing: 0.22em;
    color: var(--text-muted);
    padding-top: 4px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--text-muted);
    transition: color 0.3s;
}

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

.nav-num {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-dim);
    transition: color 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 28px;
    height: 1.5px;
    background: var(--text-bright);
    transition: all 0.3s;
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-void);
    overflow: hidden;
}

/* Pipeline background SVG */
.pipeline-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.7;
}

.pipe-line {
    fill: none;
    stroke: rgba(240, 165, 0, 0.08);
    stroke-width: 2;
}

.pipe-line-2 {
    stroke: rgba(0, 180, 216, 0.06);
}

.pipe-line-3 {
    stroke: rgba(240, 165, 0, 0.05);
}

.flow-dot {
    fill: var(--amber);
    opacity: 0.9;
}

.flow-dot-2 {
    fill: var(--signal-blue);
    opacity: 0.7;
}

.flow-dot-3 {
    fill: var(--amber);
    opacity: 0.6;
}

.junction {
    fill: none;
    stroke: rgba(240, 165, 0, 0.15);
    stroke-width: 1.5;
}

/* Hero content */
.hero-content {
    position: relative;
    padding: 160px 0 100px;
    max-width: 800px;
}

.hero-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.meta-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 6px 14px;
    border: 1px solid var(--border);
    background: rgba(14, 21, 37, 0.6);
    backdrop-filter: blur(4px);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--signal-green);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    margin-bottom: 28px;
}

.hero-sub {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 44px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 64px;
    flex-wrap: wrap;
}

/* Client logos in hero */
.hero-clients {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.clients-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.clients-list {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.client-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    opacity: 0.7;
    filter: grayscale(1) brightness(1.8) contrast(0.6);
    transition: opacity 0.3s, filter 0.3s;
}

.client-logo:hover {
    opacity: 1;
    filter: grayscale(0) brightness(1) contrast(1);
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    right: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hero-scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--amber), transparent);
    animation: scroll-pulse 2s infinite;
}

@keyframes scroll-pulse {
    0% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
    100% { opacity: 1; transform: scaleY(1); }
}

/* --- Section System --- */
.section {
    padding: var(--section-pad) 0;
    position: relative;
}

.section-header {
    margin-bottom: 64px;
}

.section-label-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.section-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--amber);
    letter-spacing: 0.1em;
}

.section-line {
    width: 48px;
    height: 1px;
    background: var(--border-accent);
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-desc {
    max-width: 520px;
    margin-top: 16px;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-muted);
}

/* --- About Section --- */
.about {
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
}

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

.about-card {
    position: relative;
    padding: 44px 32px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    transition: all 0.5s var(--ease-out);
    overflow: hidden;
}

.about-card:hover {
    background: var(--bg-raised);
    border-color: var(--border-accent);
}

/* Technical drawing corner marks */
.card-corner {
    position: absolute;
    width: 16px;
    height: 16px;
}

.card-corner-tl {
    top: 12px;
    left: 12px;
    border-top: 1.5px solid var(--amber);
    border-left: 1.5px solid var(--amber);
    opacity: 0.4;
    transition: opacity 0.4s;
}

.card-corner-br {
    bottom: 12px;
    right: 12px;
    border-bottom: 1.5px solid var(--amber);
    border-right: 1.5px solid var(--amber);
    opacity: 0.4;
    transition: opacity 0.4s;
}

.about-card:hover .card-corner-tl,
.about-card:hover .card-corner-br {
    opacity: 0.8;
}

.about-num {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--amber-dim);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.15rem;
    color: var(--text-bright);
    margin-bottom: 12px;
    text-transform: none;
    letter-spacing: 0;
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* --- Products Section --- */
.products {
    background: var(--bg-void);
    border-top: 1px solid var(--border);
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.product-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    transition: all 0.5s var(--ease-out);
    overflow: hidden;
}

.product-panel:hover {
    border-color: var(--border-accent);
    background: var(--bg-raised);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    border-bottom: 1px solid var(--border);
    background: rgba(14, 21, 37, 0.5);
}

.panel-status {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-live {
    background: var(--signal-green);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
    animation: pulse-dot 2s infinite;
}

.panel-status-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--signal-green);
    letter-spacing: 0.15em;
}

.panel-id {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.08em;
}

.panel-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px 32px;
}

.panel-info h3 {
    font-size: 1.8rem;
    color: var(--text-bright);
    margin-bottom: 10px;
    line-height: 1;
}

.panel-tagline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--amber);
    letter-spacing: 0.04em;
    margin-bottom: 16px;
}

.panel-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.panel-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 4px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.88rem;
    color: var(--text-primary);
    padding: 10px 16px;
    background: rgba(240, 165, 0, 0.03);
    border-left: 2px solid var(--border);
    transition: all 0.3s var(--ease-out);
}

.feature-item:hover {
    border-left-color: var(--amber);
    background: var(--amber-glow);
}

.feature-bullet {
    width: 4px;
    height: 4px;
    background: var(--amber);
    flex-shrink: 0;
}

/* Featured product accent */
.product-panel-featured {
    border-color: var(--border-accent);
}

.product-panel-featured .panel-header {
    background: var(--amber-glow);
    border-bottom-color: var(--border-accent);
}

/* --- Services Section --- */
.services {
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    margin-bottom: 48px;
}

.service-card {
    padding: 40px 32px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    transition: all 0.5s var(--ease-out);
}

.service-card:hover {
    background: var(--bg-raised);
    border-color: var(--border-accent);
}

.service-icon-wrap {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    border: 1px solid var(--border);
    background: var(--amber-glow);
    transition: all 0.4s var(--ease-out);
}

.service-card:hover .service-icon-wrap {
    border-color: var(--amber);
    box-shadow: 0 0 20px rgba(240, 165, 0, 0.15);
}

.service-icon-wrap svg {
    width: 22px;
    height: 22px;
    color: var(--amber);
}

.service-card h3 {
    color: var(--text-bright);
    font-size: 1.1rem;
    margin-bottom: 10px;
    text-transform: none;
    letter-spacing: 0;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* CTA Banner */
.cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 48px;
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--amber);
}

.cta-content h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--text-bright);
    margin-bottom: 8px;
}

.cta-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 480px;
}

/* --- Contact Section --- */
.contact {
    background: var(--bg-void);
    border-top: 1px solid var(--border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

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

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-bright);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    outline: none;
    transition: all 0.3s var(--ease-out);
    border-radius: 0;
    -webkit-appearance: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--amber);
    background: var(--bg-raised);
    box-shadow: 0 0 0 3px var(--amber-glow);
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a7670' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.cf-turnstile {
    margin-top: 4px;
}

.btn-submit {
    align-self: flex-start;
    margin-top: 8px;
}

/* Contact sidebar */
.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-card {
    padding: 32px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
}

.sidebar-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--amber-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.sidebar-card h3 {
    color: var(--text-bright);
    font-size: 1.2rem;
    margin-bottom: 10px;
    text-transform: none;
    letter-spacing: 0;
}

.sidebar-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.7;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.process-step {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 14px;
    background: rgba(240, 165, 0, 0.03);
    border-left: 2px solid var(--border);
    transition: all 0.3s;
    font-size: 0.88rem;
    color: var(--text-primary);
}

.process-step:hover {
    border-left-color: var(--amber);
    background: var(--amber-glow);
}

.step-num {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--amber-dim);
    letter-spacing: 0.08em;
}

/* --- Footer --- */
.footer {
    background: var(--bg-void);
    padding: 48px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-tagline {
    color: var(--text-dim);
    font-size: 0.88rem;
}

.footer-nav {
    display: flex;
    gap: 32px;
}

.footer-nav a {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: var(--amber);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.04em;
}

/* --- Scroll Reveal Animations --- */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.about-grid [data-reveal]:nth-child(2) { transition-delay: 0.1s; }
.about-grid [data-reveal]:nth-child(3) { transition-delay: 0.2s; }
.services-grid [data-reveal]:nth-child(2) { transition-delay: 0.08s; }
.services-grid [data-reveal]:nth-child(3) { transition-delay: 0.16s; }
.services-grid [data-reveal]:nth-child(4) { transition-delay: 0.24s; }
.products-list [data-reveal]:nth-child(2) { transition-delay: 0.08s; }
.products-list [data-reveal]:nth-child(3) { transition-delay: 0.16s; }
.products-list [data-reveal]:nth-child(4) { transition-delay: 0.24s; }

/* Hero entrance animation */
.hero-content {
    animation: hero-in 1s var(--ease-out) 0.2s both;
}

@keyframes hero-in {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-meta .meta-tag {
    animation: tag-in 0.6s var(--ease-out) both;
}

.hero-meta .meta-tag:nth-child(1) { animation-delay: 0.4s; }
.hero-meta .meta-tag:nth-child(2) { animation-delay: 0.5s; }
.hero-meta .meta-tag:nth-child(3) { animation-delay: 0.6s; }

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

.hero-clients {
    animation: clients-in 0.7s var(--ease-out) 0.8s both;
}

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

/* --- Grain/Noise texture overlay --- */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 10000;
    opacity: 0.025;
    will-change: transform;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* --- Stats Bar --- */
.stats-bar {
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 0;
}

.stats-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 40px 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 0 36px;
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--amber);
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-plus,
.stat-unit {
    font-size: 0.6em;
    color: var(--amber-dim);
    font-weight: 700;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
}

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

/* --- Product Preview Mockups --- */
.panel-preview {
    padding: 0 32px 32px;
    border-top: 1px solid var(--border);
}

.preview-window {
    background: var(--bg-void);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    max-width: 820px;
    margin: 24px auto 0;
}

.preview-window-light {
    background: #1a2235;
}

.preview-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: rgba(14, 21, 37, 0.8);
    border-bottom: 1px solid var(--border);
}

.preview-titlebar-excel {
    background: rgba(14, 21, 37, 0.9);
}

.preview-titlebar-left {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.preview-logo {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.preview-titlebar-dots {
    display: flex;
    gap: 6px;
}

.preview-titlebar-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-dim);
    opacity: 0.4;
}

.preview-titlebar-dots span:first-child { background: #ff5f57; opacity: 0.7; }
.preview-titlebar-dots span:nth-child(2) { background: #ffbd2e; opacity: 0.7; }
.preview-titlebar-dots span:last-child { background: #28c840; opacity: 0.7; }

.preview-toolbar {
    display: flex;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(14, 21, 37, 0.4);
    border-bottom: 1px solid var(--border);
}

.preview-btn {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    padding: 4px 12px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.preview-btn-accept { border-color: rgba(34, 197, 94, 0.3); color: var(--signal-green); }
.preview-btn-snooze { border-color: rgba(240, 165, 0, 0.3); color: var(--amber); }
.preview-btn-create { border-color: rgba(0, 180, 216, 0.3); color: var(--signal-blue); }

.preview-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Well Timer preview */
.preview-alarm {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 14px;
    background: rgba(14, 21, 37, 0.6);
    border: 1px solid var(--border);
    border-left: 3px solid var(--text-dim);
}

.preview-alarm-active {
    border-left-color: #ff5f57;
    background: rgba(255, 95, 87, 0.05);
}

.preview-alarm-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.preview-alarm-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.preview-dot-red { background: #ff5f57; box-shadow: 0 0 6px rgba(255, 95, 87, 0.5); }
.preview-dot-green { background: var(--signal-green); box-shadow: 0 0 6px rgba(34, 197, 94, 0.5); }
.preview-dot-amber { background: var(--amber); box-shadow: 0 0 6px rgba(240, 165, 0, 0.5); }

.preview-alarm-name {
    flex: 1;
}

.preview-alarm-time {
    color: var(--amber);
    font-weight: 600;
}

.preview-alarm-bar {
    height: 3px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.preview-alarm-progress {
    height: 100%;
    background: var(--amber);
    border-radius: 2px;
    transition: width 1s var(--ease-out);
}

.preview-alarm-active .preview-alarm-progress {
    background: #ff5f57;
}

/* Production Schedule preview */
.preview-table-content {
    padding: 0;
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.02em;
}

.preview-table thead {
    background: rgba(240, 165, 0, 0.06);
}

.preview-table th {
    padding: 8px 14px;
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.55rem;
    border-bottom: 1px solid var(--border);
}

.preview-table td {
    padding: 8px 14px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
}

.preview-table tbody tr:hover {
    background: rgba(240, 165, 0, 0.03);
}

.preview-status {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 600;
    padding: 2px 8px;
    letter-spacing: 0.08em;
}

.preview-status-online { color: var(--signal-green); background: rgba(34, 197, 94, 0.1); }
.preview-status-offline { color: var(--text-dim); background: rgba(74, 70, 63, 0.2); }
.preview-status-ramp { color: var(--amber); background: rgba(240, 165, 0, 0.1); }
.preview-status-pending { color: var(--signal-blue); background: rgba(0, 180, 216, 0.1); }

.preview-sync-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--text-muted);
    background: rgba(34, 197, 94, 0.03);
    border-top: 1px solid var(--border);
}

/* Spreadsheet / Gantt preview */
.preview-gantt-content {
    padding: 0;
}

.preview-gantt-header {
    display: grid;
    grid-template-columns: 2fr 1.2fr repeat(6, 1fr) 1.2fr;
    gap: 0;
    padding: 8px 14px;
    background: rgba(240, 165, 0, 0.06);
    font-family: var(--font-mono);
    font-size: 0.5rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--border);
}

.preview-gantt-row {
    display: grid;
    grid-template-columns: 2fr 1.2fr repeat(6, 1fr) 1.2fr;
    gap: 0;
    padding: 6px 14px;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.preview-gantt-row:hover {
    background: rgba(240, 165, 0, 0.03);
}

.gantt-cell {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    margin: 0 2px;
}

.gantt-done { background: rgba(34, 197, 94, 0.3); border-color: rgba(34, 197, 94, 0.4); }
.gantt-current { background: rgba(0, 180, 216, 0.3); border-color: rgba(0, 180, 216, 0.4); }
.gantt-missed { background: rgba(255, 95, 87, 0.25); border-color: rgba(255, 95, 87, 0.35); }

.preview-traffic {
    font-family: var(--font-mono);
    font-size: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 2px 6px;
    text-align: center;
}

.preview-traffic-green { color: var(--signal-green); background: rgba(34, 197, 94, 0.1); }
.preview-traffic-amber { color: var(--amber); background: rgba(240, 165, 0, 0.1); }
.preview-traffic-red { color: #ff5f57; background: rgba(255, 95, 87, 0.1); }

/* Operations Dashboard preview */
.preview-dash-content {
    gap: 12px;
}

.preview-search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: rgba(14, 21, 37, 0.6);
    border: 1px solid var(--border);
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: var(--text-dim);
}

.preview-search-bar svg {
    width: 14px;
    height: 14px;
    color: var(--text-dim);
    flex-shrink: 0;
}

.preview-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.preview-dash-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 12px;
    background: rgba(14, 21, 37, 0.6);
    border: 1px solid var(--border);
    border-top: 2px solid var(--card-accent, var(--amber));
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-primary);
}

.preview-card-cat {
    font-size: 0.5rem;
    color: var(--card-accent, var(--text-muted));
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* --- Testimonial Section --- */
.testimonial {
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
    padding: 100px 0;
}

.testimonial-block {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.testimonial-quote-mark {
    font-family: var(--font-display);
    font-size: 8rem;
    line-height: 0.6;
    color: var(--amber);
    opacity: 0.15;
    position: absolute;
    top: -20px;
    left: -10px;
    pointer-events: none;
    user-select: none;
}

.testimonial-text {
    font-family: var(--font-body);
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-primary);
    font-weight: 400;
    font-style: normal;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    margin-top: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.testimonial-author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.testimonial-name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--amber);
    letter-spacing: 0.04em;
}

.testimonial-role {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.06em;
}

/* --- Mid-page CTA --- */
.mid-cta {
    background: var(--bg-void);
    border-top: 1px solid var(--border);
    padding: 100px 0;
}

.mid-cta-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    padding: 56px;
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    position: relative;
    overflow: hidden;
}

.mid-cta-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--amber);
}

.mid-cta-block::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 100%;
    background: radial-gradient(ellipse at right, rgba(240, 165, 0, 0.06), transparent);
    pointer-events: none;
}

.mid-cta-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--amber);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 16px;
}

.mid-cta-content h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
}

.mid-cta-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 480px;
    line-height: 1.7;
}

.mid-cta-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-shrink: 0;
}

/* --- Case Study Section --- */
.case-study {
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
}

.case-study-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: start;
}

.case-study-narrative {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.case-phase {
    padding: 28px 32px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--border);
    transition: all 0.4s var(--ease-out);
}

.case-phase:hover {
    border-left-color: var(--amber);
    background: var(--bg-raised);
}

.case-phase-label {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.case-phase-num {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--amber);
    letter-spacing: 0.1em;
}

.case-phase-label span:last-child {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-bright);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.case-phase p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.case-phase p strong {
    color: var(--amber);
    font-weight: 600;
}

.case-study-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    position: sticky;
    top: 100px;
}

.case-result-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 32px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.4s var(--ease-out);
}

.case-result-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-raised);
}

.case-result-value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--amber);
    line-height: 1;
}

.case-result-value .stat-unit {
    font-size: 0.5em;
}

.case-result-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.4;
}

/* --- FAQ Section --- */
.faq {
    background: var(--bg-void);
    border-top: 1px solid var(--border);
}

.faq-list {
    max-width: 780px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease-out);
}

.faq-item:hover,
.faq-item.active {
    border-color: var(--border-accent);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
    padding: 22px 28px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--text-bright);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s;
}

.faq-question:hover {
    color: var(--amber);
}

.faq-icon {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--amber);
    flex-shrink: 0;
    transition: transform 0.3s var(--ease-out);
    width: 24px;
    text-align: center;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}

.faq-item.active .faq-answer {
    max-height: 800px;
}

.faq-answer p {
    padding: 0 28px 22px;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* --- Cookie Consent Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10001;
    background: rgba(6, 9, 15, 0.97);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-accent);
    padding: 20px 0;
    transform: translateY(100%);
    transition: transform 0.5s var(--ease-out);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.cookie-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.cookie-content a {
    color: var(--amber);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.btn-cookie {
    flex-shrink: 0;
    padding: 12px 28px;
}

/* --- Footer Legal Link --- */
.footer-bottom-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-legal-link {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.04em;
    transition: color 0.3s;
}

.footer-legal-link:hover {
    color: var(--amber);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    :root {
        --section-pad: 80px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2px;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
        gap: 2px;
    }

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

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

    .cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 36px 28px;
    }

    .cta-banner::before {
        width: 100%;
        height: 3px;
    }

    .stats-grid {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        padding: 0 20px;
    }

    .case-study-grid {
        grid-template-columns: 1fr;
    }

    .case-study-results {
        position: static;
    }

    .mid-cta-block {
        flex-direction: column;
        text-align: center;
        padding: 40px 28px;
    }

    .mid-cta-block::before {
        width: 100%;
        height: 3px;
    }

    .mid-cta-content h2 {
        font-size: 2rem;
    }

    .mid-cta-actions {
        flex-direction: row;
    }

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

    .preview-gantt-header,
    .preview-gantt-row {
        font-size: 0.45rem;
        padding: 4px 8px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: 24px 32px;
        background: rgba(6, 9, 15, 0.98);
        backdrop-filter: blur(20px);
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

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

    .hero-content {
        padding: 130px 0 60px;
    }

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

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

    .clients-list {
        gap: 20px;
    }

    .client-logo {
        height: 30px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

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

    .mid-cta-actions .btn {
        justify-content: center;
    }

    .footer-bottom-row {
        flex-direction: column;
        gap: 8px;
    }

    .panel-header {
        padding: 12px 20px;
    }

    .panel-body {
        padding: 28px 20px;
    }

    .grid-overlay {
        display: none;
    }

    .logo-wordmark-software {
        display: none;
    }

    .logo-wordmark-rivet {
        font-size: 1.1rem;
    }

    .logo-rivet-mark {
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .about-card {
        padding: 32px 24px;
    }

    .service-card {
        padding: 32px 24px;
    }

    .sidebar-card {
        padding: 24px;
    }
}

/* --- Reduced Motion (accessibility) --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}