/* On-Premise AI Page Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0091ff;
    --accent: #38c3ff;
    --success: #3ddc84;
    --dark: #000000;
    --light: #ffffff;
    --gray: #666;
    --muted: #9a9a9a;
    --card-bg: #fafafa;
    --panel: #0b0c0d;
    --panel-border: rgba(255, 255, 255, 0.08);
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

body {
    font-family: 'Inter Tight', sans-serif;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
    background: var(--dark);
}

.op-section-eyebrow {
    font-family: "Bebas Neue", sans-serif;
    font-size: 1.1rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

.op-section-heading {
    font-size: 4rem;
    font-weight: 500;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.op-section-lead {
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 780px;
}

/* Hero */
.op-hero {
    width: 100%;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    background: var(--dark);
    background-image:
        radial-gradient(circle at center, transparent 0%, var(--dark) 70%),
        linear-gradient(rgba(41, 43, 41, 0.7) .1em, transparent .1em),
        linear-gradient(90deg, rgba(40, 43, 40, 0.7) .1em, transparent .1em);
    background-size: 100% 100%, 3em 3em, 3em 3em;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10rem 5% 6rem;
}

.op-hero-container {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.op-hero-subtitle {
    font-family: "Bebas Neue", sans-serif;
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.op-hero-title {
    font-size: 4.5rem;
    font-weight: 400;
    color: var(--light);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -2px;
}

.op-hero-subtext {
    font-size: 1.25rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.op-hero-subtext span {
    font-weight: 600;
    color: var(--primary);
}

.op-hero-cta {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.op-cta {
    background: var(--light);
    color: var(--dark);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.op-cta:hover {
    transform: scale(1.05);
}

.op-learn-more {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--light);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    transition: color 1s ease;
    overflow: hidden;
    cursor: pointer;
    z-index: 0;
}

.op-learn-more::before {
    content: '';
    inset: 0;
    background: white;
    position: absolute;
    clip-path: circle(0% at 50% 50%);
    transition: clip-path 1s ease;
    z-index: -1;
}

.op-learn-more:hover::before {
    clip-path: circle(100% at 50% 50%);
}

.op-learn-more:hover {
    color: black;
}

/* Terminal mock */
.op-terminal {
    background: linear-gradient(-45deg, rgb(0, 0, 0) 0%, rgb(5, 5, 5) 55%, #1d2a30 100%);
    border: 1px solid #20292d;
    border-radius: 18px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), inset -4px -4px 0 #1a3440;
    overflow: hidden;
    font-family: Consolas, 'Courier New', monospace;
}

.op-terminal-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    border-bottom: 1px solid #20292d;
}

.op-terminal-bar span {
    height: 12px;
    width: 12px;
    border-radius: 50%;
    background: #2a2f33;
}

.op-terminal-bar span:nth-child(1) { background: #ff5f57; }
.op-terminal-bar span:nth-child(2) { background: #febc2e; }
.op-terminal-bar span:nth-child(3) { background: #28c840; }

.op-terminal-bar p {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.8rem;
    font-family: 'Inter Tight', sans-serif;
}

.op-terminal-body {
    padding: 22px;
    min-height: 340px;
    color: #d6d6d6;
    font-size: 0.92rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

.op-terminal-body .t-prompt { color: var(--success); }
.op-terminal-body .t-cmd { color: var(--light); }
.op-terminal-body .t-dim { color: #6f7a80; }
.op-terminal-body .t-ai { color: var(--accent); }

.op-terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 1.1em;
    background: var(--accent);
    vertical-align: text-bottom;
    animation: op-blink 1s steps(1) infinite;
}

@keyframes op-blink {
    50% { opacity: 0; }
}

.op-terminal-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 22px 22px;
}

.op-badge {
    font-family: 'Inter Tight', sans-serif;
    font-size: 0.75rem;
    color: var(--success);
    border: 1px solid rgba(61, 220, 132, 0.35);
    background: rgba(61, 220, 132, 0.08);
    padding: 4px 10px;
    border-radius: 50px;
}

/* Why section (dark) */
.op-why {
    background: rgb(9, 9, 9);
    padding: 8rem 5%;
    color: var(--light);
}

.op-why-container {
    max-width: 1400px;
    margin: 0 auto;
}

.op-why .op-section-lead {
    color: var(--muted);
    margin-bottom: 4rem;
}

.op-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.op-card {
    background: radial-gradient(circle 300px at 80% -30%, #1a1f2e, #0f1111);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 2.25rem 2rem;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.op-card:hover {
    border-color: rgba(0, 145, 255, 0.4);
    transform: translateY(-4px);
}

.op-card svg {
    fill: var(--primary);
    margin-bottom: 1.25rem;
}

.op-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.op-card p {
    color: var(--muted);
    line-height: 1.7;
    font-size: 1rem;
}

/* Stack section (light) */
.op-stack {
    background: var(--light);
    padding: 8rem 5%;
}

.op-stack-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.op-stack .op-section-heading {
    color: var(--dark);
}

.op-stack .op-section-lead {
    color: var(--gray);
    margin-bottom: 2rem;
}

.op-check-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.op-check-list li {
    font-size: 1.05rem;
    color: var(--dark);
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.op-check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.op-layers {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.op-layer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.15rem 1.5rem;
    border-radius: 14px;
    background: var(--card-bg);
    border: 1px solid #e0e0e0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.op-layer:hover {
    transform: translateX(6px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.op-layer-name {
    font-weight: 600;
    color: var(--dark);
    font-size: 1.05rem;
}

.op-layer-tech {
    color: var(--gray);
    font-size: 0.9rem;
    text-align: right;
}

.op-layer.is-access {
    background: #0b1620;
    border-color: #13324a;
}

.op-layer.is-access .op-layer-name { color: var(--light); }
.op-layer.is-access .op-layer-tech { color: var(--accent); }

.op-layer.is-models {
    background: linear-gradient(90deg, #e9f5ff, #f6fbff);
    border-color: #bfe2ff;
}

.op-layer.is-hardware {
    background: #111;
    border-color: #222;
}

.op-layer.is-hardware .op-layer-name { color: var(--light); }
.op-layer.is-hardware .op-layer-tech { color: var(--muted); }

/* Hardware tiers (dark) */
.op-tiers {
    background: var(--dark);
    padding: 8rem 5%;
    color: var(--light);
}

.op-tiers-container {
    max-width: 1400px;
    margin: 0 auto;
}

.op-tiers .op-section-lead {
    color: var(--muted);
    margin-bottom: 4rem;
}

.op-tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.op-tier {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
}

.op-tier.is-featured {
    border-color: rgba(0, 145, 255, 0.55);
    box-shadow: 0 0 0 1px rgba(0, 145, 255, 0.25), 0 20px 60px rgba(0, 145, 255, 0.08);
}

.op-tier-label {
    font-family: "Bebas Neue", sans-serif;
    letter-spacing: 2px;
    color: var(--primary);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.op-tier h3 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.op-tier > p {
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

.op-tier dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75rem 1.25rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--panel-border);
    margin-top: auto;
}

.op-tier dt {
    color: var(--muted);
    font-size: 0.9rem;
}

.op-tier dd {
    color: var(--light);
    font-size: 0.95rem;
    text-align: right;
}

.op-tiers-note {
    color: #6f7a80;
    font-size: 0.9rem;
    margin-top: 2rem;
    line-height: 1.6;
}

/* Process (light) */
.op-process {
    background: var(--light);
    padding: 8rem 5%;
}

.op-process-container {
    max-width: 1400px;
    margin: 0 auto;
}

.op-process .op-section-heading { color: var(--dark); }
.op-process .op-section-lead { color: var(--gray); margin-bottom: 4rem; }

.op-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
    counter-reset: op-step;
}

.op-step {
    background: var(--card-bg);
    border: 1px solid #e0e0e0;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    counter-increment: op-step;
    position: relative;
}

.op-step::before {
    content: "0" counter(op-step);
    font-family: "Bebas Neue", sans-serif;
    font-size: 2.5rem;
    color: var(--primary);
    display: block;
    margin-bottom: 0.75rem;
    line-height: 1;
}

.op-step h3 {
    font-size: 1.15rem;
    color: var(--dark);
    margin-bottom: 0.6rem;
}

.op-step p {
    color: var(--gray);
    line-height: 1.65;
    font-size: 0.95rem;
}

/* Security (dark) */
.op-security {
    background: rgb(9, 9, 9);
    padding: 8rem 5%;
    color: var(--light);
}

.op-security-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.op-security .op-section-lead {
    color: var(--muted);
}

.op-security-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.op-security-list li {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    padding: 1.4rem 1.5rem;
}

.op-security-list strong {
    display: block;
    color: var(--light);
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
}

.op-security-list span {
    color: var(--muted);
    line-height: 1.65;
    font-size: 0.95rem;
}

/* FAQ */
.op-faq-section {
    background: var(--light);
    padding: 8rem 5%;
}

.op-faq-heading {
    font-size: 4rem;
    font-weight: 500;
    color: var(--dark);
    text-align: center;
    margin-bottom: 4rem;
    line-height: 1.2;
}

.op-faq-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.op-faq-item {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    transition: box-shadow 0.3s ease;
}

.op-faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.op-faq-question {
    padding: 1.5rem 2rem 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.op-faq-answer p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray);
    padding: 0 2rem 1.5rem;
}

.op-faq-answer a {
    color: var(--primary);
}

/* Responsive */
@media (max-width: 1200px) {
    .op-steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 943px) {
    .op-hero {
        padding: 8rem 5% 4rem;
    }

    .op-hero-container,
    .op-stack-container,
    .op-security-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .op-hero-title {
        font-size: 3rem;
    }

    .op-hero-subtext {
        font-size: 1.1rem;
    }

    .op-hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .op-cta,
    .op-learn-more {
        width: 100%;
    }

    .op-section-heading,
    .op-faq-heading {
        font-size: 2.5rem;
    }

    .op-why,
    .op-stack,
    .op-tiers,
    .op-process,
    .op-security,
    .op-faq-section {
        padding: 5rem 5%;
    }

    .op-card-grid,
    .op-tier-grid {
        grid-template-columns: 1fr;
    }

    .op-steps {
        grid-template-columns: 1fr 1fr;
    }

    .op-terminal-body {
        min-height: 280px;
        font-size: 0.82rem;
    }
}

@media (max-width: 576px) {
    .op-hero-title {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }

    .op-section-heading,
    .op-faq-heading {
        font-size: 2rem;
    }

    .op-steps {
        grid-template-columns: 1fr;
    }

    .op-layer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .op-layer-tech {
        text-align: left;
    }

    .op-faq-question {
        padding: 1rem 1.2rem 0.3rem;
        font-size: 0.95rem;
    }

    .op-faq-answer p {
        font-size: 0.9rem;
        padding: 0 1.2rem 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .op-terminal-cursor {
        animation: none;
    }

    .op-card,
    .op-layer {
        transition: none;
    }
}