/* ============================================
   TEYRA CREATIVE — Project Pages Stylesheet
   CSS compartido para los 12 casos de estudio.
   El hero background se inyecta via variable CSS
   definida en cada HTML:
     :root { --proj-hero-img: url('...'); }
   ============================================ */

/* --- Hero --- */
.proj-hero {
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding-bottom: 5rem;
    position: relative;
    overflow: hidden;
}
.proj-hero-bg {
    position: absolute;
    inset: 0;
    background-image: var(--proj-hero-img);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    filter: brightness(0.2);
}
.proj-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--black) 0%, transparent 60%);
}
.proj-hero-content { position: relative; z-index: 2; }

.proj-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 1.5rem;
}
.proj-eyebrow::before {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: var(--red);
}
.proj-title {
    font-family: var(--font-primary);
    font-size: clamp(3.5rem, 10vw, 9rem);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.03em;
    color: var(--white);
    margin-bottom: 2rem;
}
.proj-title span { color: var(--red); }
.proj-meta { display: flex; align-items: center; gap: 2.5rem; flex-wrap: wrap; }
.proj-meta-item { display: flex; flex-direction: column; gap: 0.25rem; }
.proj-meta-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--red);
}
.proj-meta-value { font-size: 0.9rem; color: var(--gray-300); font-weight: 500; }

/* --- Overview --- */
.proj-overview { padding: 7rem 0; border-bottom: 1px solid rgba(255,255,255,0.07); }
.proj-overview-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 6rem; align-items: start; }
.proj-logo-wrap { position: sticky; top: 6rem; display: flex; flex-direction: column; gap: 2.5rem; }
.proj-logo { width: 100%; max-width: 260px; }
.proj-services-title {
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--red); margin-bottom: 1rem;
}
.proj-services-list { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.proj-services-list li {
    font-size: 0.88rem; color: var(--gray-400);
    display: flex; align-items: center; gap: 0.75rem;
}
.proj-services-list li::before {
    content: ''; width: 5px; height: 5px; border-radius: 50%;
    background: var(--red); flex-shrink: 0;
}
.proj-desc-block { display: flex; flex-direction: column; gap: 2rem; }
.proj-section-label {
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--red); margin-bottom: 1rem;
}
.proj-desc-text { font-size: 1.05rem; line-height: 1.85; color: var(--gray-400); }
.proj-desc-text strong { color: var(--white); font-weight: 600; }
.proj-quote {
    border-left: 2px solid var(--red);
    padding: 0.5rem 0 0.5rem 2rem;
    font-size: 1.2rem; font-style: italic;
    color: var(--gray-300); line-height: 1.6;
}

/* --- Gallery --- */
.proj-gallery { padding: 7rem 0; border-bottom: 1px solid rgba(255,255,255,0.07); }
.proj-section-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 3rem; }
.proj-section-title {
    font-family: var(--font-primary);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700; letter-spacing: -0.02em;
}
.proj-gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}
.proj-gallery-item { overflow: hidden; border-radius: 8px; background: var(--black-card); }
.proj-gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.proj-gallery-item:nth-child(5) { grid-column: span 2; }
.proj-gallery-item img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform 0.6s var(--ease-out-expo);
}
.proj-gallery-item:hover img { transform: scale(1.04); }

/* --- Videos --- */
.proj-videos { padding: 7rem 0; border-bottom: 1px solid rgba(255,255,255,0.07); }
.proj-videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}
.proj-video-wrap {
    border-radius: 8px; overflow: hidden;
    background: var(--black-card); aspect-ratio: 9/16;
    position: relative;
}
.proj-video-wrap:last-child:nth-child(3n+1) { grid-column: 2; }
.proj-video-wrap video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Variantes de grid */
.proj-videos-grid--2col {
    grid-template-columns: repeat(2, 1fr);
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}
.proj-video-center {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    max-width: 760px;
    margin: 0 auto;
}
.proj-video-single { display: flex; justify-content: center; }
.proj-video-single .proj-video-wrap { max-width: 360px; width: 100%; }

/* --- CTA final --- */
.proj-cta { padding: 7rem 0; text-align: center; }
.proj-cta-label {
    font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--red); margin-bottom: 1.5rem;
}
.proj-cta-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800; letter-spacing: -0.02em; margin-bottom: 2.5rem;
}
.proj-cta-actions { display: flex; align-items: center; justify-content: center; gap: 1.2rem; flex-wrap: wrap; }
.proj-back {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em;
    text-transform: uppercase; color: var(--gray-500); transition: color 0.3s;
}
.proj-back:hover { color: var(--white); }

/* --- Responsive --- */
@media (max-width: 900px) {
    .proj-overview-grid { grid-template-columns: 1fr; gap: 3rem; }
    .proj-logo-wrap { position: static; }
    .proj-gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .proj-gallery-item:nth-child(1) { grid-column: span 2; }
    .proj-videos-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .proj-gallery-item:nth-child(5) { grid-column: span 1; }
}