/* ==========================================================================
   OPTIMAL POWER - SINGLE SERVICE DETAIL (V4 REFINED BLUEPRINT)
   ========================================================================== */

:root {
    --clinical-border: #eee;
    --max-content: 1400px;
}

html {
    scroll-behavior: smooth;
}

.service-premium-page {
    background: #fff;
    color: #000;
}

.service-premium-page .container {
    max-width: var(--max-content);
    margin: 0 auto;
    padding: 0 40px;
}

/* GLOBAL UI TOKENS */
.section-title-clinical {
    font-family: 'Oswald', sans-serif;
    font-size: 11px;
    font-weight: 950;
    letter-spacing: 4px;
    color: #000;
    margin-bottom: 60px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 20px;
}

.section-title-clinical::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--clinical-border);
}

/* 1. HERO SECTION */
.service-hero {
    height: 85vh;
    min-height: 750px;
    background: #000;
    color: #fff;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 var(--inner-px, 50px);
    overflow: hidden;
    border-radius: 0 0 60px 60px;
}

.hero-bg-text {
    position: absolute;
    top: 50%;
    left: 45%;
    transform: translate(-50%, -50%);
    font-family: 'Oswald', sans-serif;
    font-size: 35vw;
    font-weight: 950;
    color: rgba(255,255,255,0.02);
    white-space: nowrap;
    pointer-events: none;
    line-height: 1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--max-content);
    margin: 0 auto;
}

.service-hero .meta-label {
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 20px;
    display: block;
}

.monumental-title {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(4rem, 12vw, 12rem);
    line-height: 0.85;
    text-transform: uppercase;
    letter-spacing: -6px;
    margin-bottom: 50px;
    font-weight: 900;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 60px;
}

.service-hud-price {
    display: flex;
    flex-direction: column;
}

.hud-label {
    font-size: 9px;
    font-weight: 950;
    letter-spacing: 2px;
    opacity: 0.4;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.hud-value {
    font-family: 'Oswald', sans-serif;
    font-size: 42px;
    color: var(--accent);
    line-height: 1;
    font-weight: 900;
    text-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

/* 2. BLUEPRINT SECTION (SPECS) */
.blueprint-section {
    padding: 140px 0;
}

.blueprint-grid {
    max-width: var(--max-content);
    margin: 0 auto;
}

.blueprint-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 80px;
}

.blueprint-meta {
    font-family: monospace;
    font-size: 11px;
    opacity: 0.3;
    letter-spacing: 3px;
}

.blueprint-rows {
    display: flex;
    flex-direction: column;
}

.b-row {
    display: grid;
    grid-template-columns: 400px 1fr;
    padding: 45px 0;
    border-bottom: 1px solid var(--clinical-border);
    align-items: center;
}

.b-row:first-child { border-top: 1px solid var(--clinical-border); }

.b-label {
    font-size: 10px;
    font-weight: 950;
    letter-spacing: 3px;
    color: rgba(0,0,0,0.3);
}

.b-value {
    font-family: 'Oswald', sans-serif;
    font-size: 38px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

/* 3. CONTENT CORE */
.content-core-section {
    padding: 140px 0;
    background: #fbfbfb;
}

.core-layout {
    max-width: var(--max-content);
    margin: 0 auto;
}

.core-body-copy {
    font-size: 24px;
    line-height: 1.6;
    max-width: 950px;
    font-weight: 300;
}

.core-body-copy h2, .core-body-copy h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 56px;
    text-transform: uppercase;
    margin: 80px 0 40px;
    line-height: 0.95;
    letter-spacing: -2px;
}

.core-body-copy p { margin-bottom: 30px; }

/* 4. PERFORMANCE MATRIX */
.performance-matrix-section {
    padding: 140px 0;
}

.p-matrix-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    background: var(--clinical-border);
    max-width: var(--max-content);
    margin: 0 auto;
}

.p-matrix-item {
    background: #fff;
    padding: 100px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    transition: 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    cursor: default;
}

.p-index {
    font-family: 'Oswald', sans-serif;
    font-size: 48px;
    color: var(--accent);
    line-height: 1;
}

.p-title {
    font-family: 'Oswald', sans-serif;
    font-size: 42px;
    text-transform: uppercase;
    margin: 0;
    line-height: 1.1;
}

.p-desc {
    font-size: 15px;
    line-height: 1.5;
    opacity: 0.6;
    margin-top: 20px;
    font-weight: 400;
}

.p-matrix-item:hover {
    background: #000;
    color: #fff;
}

/* 5. ENGINEERING NOTES */
.engineering-notes-section {
    padding: 140px 0;
}

.notes-grid {
    max-width: var(--max-content);
    margin: 0 auto;
}

.notes-content {
    font-size: 19px;
    line-height: 1.9;
    color: #555;
    max-width: 850px;
    border-left: 1px solid var(--clinical-border);
    padding-left: 60px;
}

/* 6. VISUAL PROOF (GALLERY) */
.visual-proof-section {
    padding: 140px 0;
}

.proof-header {
    max-width: var(--max-content);
    margin: 0 auto 80px;
}

.proof-slider {
    display: flex;
    flex-direction: column;
    gap: 60px;
    max-width: var(--max-content);
    margin: 0 auto;
}

.proof-item {
    width: 100%;
    aspect-ratio: 16/8;
    background: #f0f0f0;
    overflow: hidden;
}

.proof-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1);
    transition: 1.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.proof-item:hover img {
    filter: grayscale(0);
    transform: scale(1.05);
}

/* 7. NEXT PHASE (RELATED) */
.next-phase-section {
    padding: 140px 0;
}

.next-header {
    max-width: var(--max-content);
    margin: 0 auto 60px;
}

.next-list {
    max-width: var(--max-content);
    margin: 0 auto;
}

.next-link {
    display: grid;
    grid-template-columns: 250px 1fr auto;
    padding: 50px 0;
    border-bottom: 1px solid var(--clinical-border);
    text-decoration: none;
    color: #000;
    align-items: center;
    transition: 0.4s;
}

.next-link:first-child { border-top: 1px solid var(--clinical-border); }

.n-tag {
    font-size: 10px;
    font-weight: 950;
    letter-spacing: 2px;
    opacity: 0.3;
}

.n-title {
    font-family: 'Oswald', sans-serif;
    font-size: 32px;
    text-transform: uppercase;
    transition: 0.3s;
}

.n-arrow {
    transform: translateX(-30px);
    opacity: 0;
    transition: 0.4s;
    color: var(--accent);
}

.next-link:hover {
    padding-left: 40px;
    background: #f9f9f9;
}

.next-link:hover .n-title { transform: translateX(10px); color: var(--accent); }
.next-link:hover .n-arrow { transform: translateX(0); opacity: 1; }

/* 8. FINAL PROTOCOL (CTA) */
.final-protocol-section {
    padding: 0 50px 140px;
}

.protocol-box {
    max-width: var(--max-content);
    margin: 0 auto;
    background: #000;
    color: #fff;
    padding: 140px 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 60px;
}

.p-status {
    font-family: monospace;
    font-size: 12px;
    color: var(--accent);
    letter-spacing: 5px;
}

.protocol-box .p-title {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(3rem, 7vw, 7rem);
    text-transform: uppercase;
    margin: 40px 0 80px;
    line-height: 0.85;
}

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

.p-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.p-phone {
    font-family: 'Oswald', sans-serif;
    font-size: 20px;
    text-decoration: none;
    color: #fff;
    opacity: 0.4;
    transition: 0.3s;
}

.p-phone:hover { opacity: 1; color: var(--accent); }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .b-row { grid-template-columns: 1fr; gap: 15px; }
    .b-value { font-size: 28px; }
    .p-matrix-grid { grid-template-columns: 1fr; }
    .p-matrix-item { padding: 60px 40px; }
    .next-link { grid-template-columns: 1fr auto; }
    .n-tag { display: none; }
    .protocol-box { padding: 80px 30px; border-radius: 40px; }
}