/**
 * Copyright (c) 2026 DNA Genics, S.L. All rights reserved.
 *
 * Partnerships & Business page styling.
 * Cinematic design system page for B2B partnerships, API licensing,
 * research collaborations, investor relations, and enterprise solutions.
 */

/* ===========================================
   ROOT - scoped variables for this page
   =========================================== */
.prt-page {
    font-family: var(--cin-font-sans);
    color: var(--cin-text-dark);
    background: var(--cin-deep);
}

/* ===========================================
   HERO
   =========================================== */
.prt-hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--cin-deep);
}

.prt-hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/img/home/header-nov-2025-v1.webp');
    background-size: cover;
    background-position: center top;
    opacity: 0.18;
}

.prt-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(15, 20, 25, 0.95) 0%,
        rgba(22, 32, 41, 0.85) 50%,
        rgba(30, 45, 56, 0.75) 100%
    );
}

.prt-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--cin-space-lg);
    position: relative;
    z-index: 1;
}

.prt-hero-content {
    max-width: 780px;
    padding: 7rem 0 5rem;
}

.prt-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--cin-gold-subtle);
    border: 1px solid var(--cin-border-gold);
    border-radius: var(--cin-radius-full);
    padding: 0.35rem 1rem;
    font-family: var(--cin-font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cin-gold);
    margin-bottom: var(--cin-space-md);
}

.prt-hero-badge img {
    width: 16px;
    height: 16px;
    filter: invert(75%) sepia(40%) saturate(600%) hue-rotate(5deg) brightness(100%);
    opacity: 0.9;
}

.prt-display-hero {
    font-family: var(--cin-font-serif);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--cin-text-light);
    margin-bottom: var(--cin-space-md);
}

.prt-display-hero em {
    font-style: italic;
    color: var(--cin-gold-light);
}

.prt-hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--cin-text-light-muted);
    max-width: 580px;
    margin-bottom: var(--cin-space-lg);
}

.prt-hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: var(--cin-space-xl);
}

.prt-hero-stats {
    display: flex;
    gap: var(--cin-space-lg);
    flex-wrap: wrap;
    border-top: 1px solid var(--cin-border-dark);
    padding-top: var(--cin-space-lg);
}

.prt-hero-stat-value {
    font-family: var(--cin-font-serif);
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--cin-gold);
    display: block;
    line-height: 1;
}

.prt-hero-stat-label {
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--cin-text-light-muted);
    margin-top: 0.3rem;
    display: block;
}

/* ===========================================
   BUTTONS
   =========================================== */
.prt-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--cin-radius-md);
    font-family: var(--cin-font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--cin-transition);
    cursor: pointer;
    border: none;
    letter-spacing: 0.02em;
}

.prt-btn--gold {
    background: var(--cin-gold);
    color: var(--cin-deep);
}

.prt-btn--gold:hover {
    background: var(--cin-gold-light);
    color: var(--cin-deep);
    transform: translateY(-2px);
    box-shadow: var(--cin-shadow-gold);
}

.prt-btn--outline {
    background: transparent;
    color: var(--cin-text-light);
    border: 1px solid var(--cin-border-dark);
}

.prt-btn--outline:hover {
    border-color: var(--cin-border-gold);
    color: var(--cin-gold);
    background: var(--cin-gold-subtle);
}

.prt-btn--lg {
    padding: 0.9rem 2.25rem;
    font-size: 0.95rem;
}

.prt-btn img {
    width: 18px;
    height: 18px;
}

/* ===========================================
   SECTION BASE
   =========================================== */
.prt-section {
    padding: var(--cin-space-3xl) 0;
}

.prt-section--light {
    background: var(--cin-cream);
}

.prt-section--slate {
    background: var(--cin-slate);
}

.prt-section--navy {
    background: var(--cin-navy);
}

.prt-section--deep {
    background: var(--cin-deep);
}

.prt-section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--cin-space-2xl);
}

.prt-section-marker {
    width: 40px;
    height: 3px;
    background: var(--cin-gold);
    margin: 0 auto var(--cin-space-sm);
    border-radius: 2px;
}

.prt-section-label {
    display: block;
    font-family: var(--cin-font-sans);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--cin-gold);
    margin-bottom: 0.75rem;
}

.prt-display-1 {
    font-family: var(--cin-font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: var(--cin-space-sm);
}

.prt-section-subtitle {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--cin-text-muted);
    margin: 0;
}

.prt-section--dark .prt-display-1,
.prt-section--slate .prt-display-1,
.prt-section--navy .prt-display-1,
.prt-section--deep .prt-display-1 {
    color: var(--cin-text-light);
}

.prt-section--dark .prt-section-subtitle,
.prt-section--slate .prt-section-subtitle,
.prt-section--navy .prt-section-subtitle,
.prt-section--deep .prt-section-subtitle {
    color: var(--cin-text-light-muted);
}

/* ===========================================
   PILLARS (Partnership Types)
   =========================================== */
.prt-pillars-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--cin-space-lg);
}

.prt-pillar {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--cin-border-dark);
    border-radius: var(--cin-radius-xl);
    padding: var(--cin-space-lg);
    transition: var(--cin-transition);
    display: flex;
    flex-direction: column;
}

.prt-pillar:hover {
    border-color: var(--cin-border-gold);
    background: rgba(201, 164, 48, 0.05);
    transform: translateY(-4px);
    box-shadow: var(--cin-shadow-gold);
}

.prt-pillar-icon {
    width: 48px;
    height: 48px;
    background: var(--cin-gold-subtle);
    border: 1px solid var(--cin-border-gold);
    border-radius: var(--cin-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--cin-space-md);
    flex-shrink: 0;
}

.prt-pillar-icon img {
    width: 24px;
    height: 24px;
    filter: invert(75%) sepia(40%) saturate(600%) hue-rotate(5deg) brightness(100%);
}

.prt-pillar-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cin-gold);
    margin-bottom: 0.5rem;
}

.prt-pillar-title {
    font-family: var(--cin-font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--cin-text-light);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.prt-pillar-desc {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--cin-text-light-muted);
    margin-bottom: var(--cin-space-md);
}

.prt-pillar-ideal {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cin-teal-light);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.prt-pillar-ideal img {
    width: 14px;
    height: 14px;
    filter: invert(70%) sepia(50%) saturate(500%) hue-rotate(150deg);
}

.prt-pillar-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--cin-space-md);
    flex: 1;
}

.prt-pillar-features li {
    font-size: 0.85rem;
    color: var(--cin-text-light-muted);
    padding: 0.3rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.4;
}

.prt-pillar-features li::before {
    content: '';
    width: 14px;
    height: 14px;
    background-image: url('/img/icons/cinematic/core/check.svg');
    background-size: contain;
    background-repeat: no-repeat;
    filter: invert(55%) sepia(60%) saturate(400%) hue-rotate(5deg) brightness(110%);
    flex-shrink: 0;
    margin-top: 2px;
}

.prt-pillar-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--cin-gold);
    text-decoration: none;
    letter-spacing: 0.03em;
    transition: var(--cin-transition-fast);
    margin-top: auto;
}

.prt-pillar-link:hover {
    color: var(--cin-gold-light);
    gap: 0.6rem;
}

/* ===========================================
   HOW IT WORKS (Process Steps)
   =========================================== */
.prt-process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--cin-space-md);
    position: relative;
}

.prt-process::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--cin-border-gold) 20%,
        var(--cin-border-gold) 80%,
        transparent
    );
    pointer-events: none;
}

.prt-step {
    text-align: center;
    position: relative;
}

.prt-step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--cin-gold-subtle);
    border: 2px solid var(--cin-border-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--cin-space-md);
    font-family: var(--cin-font-serif);
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--cin-gold);
    position: relative;
    z-index: 1;
    background: var(--cin-navy);
}

.prt-step-title {
    font-family: var(--cin-font-serif);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--cin-text-light);
    margin-bottom: 0.5rem;
}

.prt-step-desc {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--cin-text-light-muted);
}

/* ===========================================
   DIFFERENTIATORS (Why Partner)
   =========================================== */
.prt-diff-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--cin-space-md);
}

.prt-diff-item {
    display: flex;
    gap: var(--cin-space-md);
    align-items: flex-start;
    padding: var(--cin-space-md);
    border-radius: var(--cin-radius-lg);
    background: var(--cin-gold-subtle);
    border: 1px solid var(--cin-border-gold);
}

.prt-diff-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prt-diff-icon img {
    width: 32px;
    height: 32px;
    filter: invert(75%) sepia(40%) saturate(600%) hue-rotate(5deg) brightness(100%);
}

.prt-diff-title {
    font-family: var(--cin-font-serif);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--cin-text-light);
    margin-bottom: 0.4rem;
}

.prt-diff-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--cin-text-light-muted);
    margin: 0;
}

/* ===========================================
   PARTNERS LOGO STRIP
   =========================================== */
.prt-partners-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--cin-space-xl);
}

.prt-partner-logo {
    opacity: 0.5;
    filter: grayscale(1);
    transition: var(--cin-transition);
    max-height: 36px;
    max-width: 120px;
    object-fit: contain;
}

.prt-partner-logo:hover {
    opacity: 0.85;
    filter: grayscale(0);
}

/* ===========================================
   AUDIENCE CARDS
   =========================================== */
.prt-audiences-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--cin-space-md);
}

.prt-audience-card {
    background: var(--cin-white);
    border: 1px solid var(--cin-border-light);
    border-radius: var(--cin-radius-xl);
    padding: var(--cin-space-lg);
    text-align: center;
    transition: var(--cin-transition);
}

.prt-audience-card:hover {
    border-color: var(--cin-gold);
    box-shadow: var(--cin-shadow-md);
    transform: translateY(-3px);
}

.prt-audience-icon {
    width: 52px;
    height: 52px;
    background: var(--cin-gold-subtle);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--cin-space-sm);
}

.prt-audience-icon img {
    width: 26px;
    height: 26px;
    filter: invert(55%) sepia(40%) saturate(500%) hue-rotate(5deg) brightness(90%);
}

.prt-audience-title {
    font-family: var(--cin-font-serif);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--cin-text-dark);
    margin-bottom: 0.4rem;
}

.prt-audience-desc {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--cin-text-body);
    margin: 0;
}

/* ===========================================
   FAQ
   =========================================== */
.prt-faq-list {
    max-width: 760px;
    margin: 0 auto;
}

.prt-faq-item {
    border-bottom: 1px solid var(--cin-border-light);
}

.prt-faq-item:first-child {
    border-top: 1px solid var(--cin-border-light);
}

.prt-faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--cin-font-serif);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--cin-text-dark);
    gap: 1rem;
    transition: color var(--cin-transition-fast);
}

.prt-faq-question:hover {
    color: var(--cin-gold);
}

.prt-faq-question .prt-faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform var(--cin-transition);
    filter: invert(30%);
}

.prt-faq-item.open .prt-faq-question {
    color: var(--cin-gold);
}

.prt-faq-item.open .prt-faq-chevron {
    transform: rotate(180deg);
}

.prt-faq-answer {
    display: none;
    padding: 0 0 1.25rem;
    font-size: 0.92rem;
    line-height: 1.75;
    color: var(--cin-text-body);
}

.prt-faq-item.open .prt-faq-answer {
    display: block;
}

/* ===========================================
   CONTACT BLOCK
   =========================================== */
.prt-contact-block {
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.prt-contact-block .prt-display-1 {
    margin-bottom: var(--cin-space-sm);
}

.prt-contact-desc {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--cin-text-light-muted);
    margin-bottom: var(--cin-space-lg);
}

.prt-contact-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: var(--cin-space-md);
}

.prt-contact-note {
    font-size: 0.85rem;
    color: var(--cin-text-light-muted);
}

.prt-contact-note a {
    color: var(--cin-gold);
    text-decoration: none;
}

.prt-contact-note a:hover {
    text-decoration: underline;
}

/* ===========================================
   ANIMATIONS
   =========================================== */
.prt-animate {
    animation: prtFadeUp 0.7s var(--cin-ease-gentle) both;
    animation-play-state: paused;
}

.prt-animate-delay-1 { animation-delay: 0.1s; }
.prt-animate-delay-2 { animation-delay: 0.2s; }
.prt-animate-delay-3 { animation-delay: 0.3s; }
.prt-animate-delay-4 { animation-delay: 0.4s; }
.prt-animate-delay-5 { animation-delay: 0.5s; }

@@keyframes prtFadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================================
   RESPONSIVE
   =========================================== */
@@media (max-width: 1024px) {
    .prt-pillars-grid {
        grid-template-columns: 1fr;
    }

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

    .prt-process::before {
        display: none;
    }

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

@@media (max-width: 768px) {
    .prt-hero-content {
        padding: 5rem 0 3rem;
    }

    .prt-hero-stats {
        gap: var(--cin-space-md);
    }

    .prt-diff-grid {
        grid-template-columns: 1fr;
    }

    .prt-process {
        grid-template-columns: 1fr;
    }

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

@@media (max-width: 576px) {
    .prt-container {
        padding: 0 var(--cin-space-sm);
    }

    .prt-hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .prt-audiences-grid {
        grid-template-columns: 1fr;
    }

    .prt-partners-strip {
        gap: var(--cin-space-md);
    }
}

/* Print styles */
@@media print {
    .prt-hero-bg,
    .prt-hero-overlay {
        display: none;
    }

    .prt-page {
        background: white;
        color: black;
    }
}