/* =====================================================
   HECACEP — Sitio web público
   Paleta: #000 · #8b0000 · #daa527 · #f2efe7 · #151515 · #d8cd88
   Fuentes: Libre Franklin 800 (títulos) · Roboto (cuerpo)
   ===================================================== */

/* 1. Reset & Base
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    background: var(--c-dark);
    color: var(--c-cream);
    line-height: 1.6;
    overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }

/* 2. Design Tokens
   ===================================================== */
:root {
    --c-black:      #000000;
    --c-red:        #8b0000;
    --c-gold:       #daa527;
    --c-cream:      #f2efe7;
    --c-dark:       #151515;
    --c-dark-2:     #0f0f0f;
    --c-gold-light: #d8cd88;
    --c-border:     rgba(218, 165, 39, 0.18);
    --c-border-dim: rgba(255, 255, 255, 0.06);

    --font-heading: 'Libre Franklin', sans-serif;
    --font-body:    'Roboto', sans-serif;

    --nav-h:      72px;
    --max-w:      1280px;
    --py:         108px;
    --px:         clamp(1.5rem, 5vw, 3rem);
    --radius:     0;
    --radius-lg:  14px;
    --ease:       0.3s ease;
}

/* 3. Typography
   ===================================================== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--c-cream);
}
h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
p  { color: rgba(242, 239, 231, 0.72); }

/* 4. Layout helpers
   ===================================================== */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--px);
}
.section { padding-block: var(--py); }
.section--alt { background: var(--c-dark-2); }

.section__header {
    text-align: center;
    margin-bottom: 64px;
}
.eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-gold);
    margin-bottom: 14px;
}
.section__title { color: var(--c-cream); }
.section__title em { font-style: normal; color: var(--c-gold); }

/* 5. Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 0.02em;
    transition: var(--ease);
    white-space: nowrap;
}
.btn--primary {
    background: var(--c-gold);
    color: var(--c-black);
    border: 1.5px solid var(--c-gold);
}
.btn--primary:hover {
    background: var(--c-gold-light);
    border-color: var(--c-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(218, 165, 39, 0.25);
}
.btn--outline {
    border: 1.5px solid rgba(218, 165, 39, 0.72);
    background: rgba(0, 0, 0, 0.28);
    color: var(--c-cream);
}
.btn--outline:hover {
    border-color: var(--c-gold);
    color: var(--c-black);
    background: var(--c-gold);
}
.btn--sm { padding: 10px 20px; font-size: 0.85rem; }

/* 6. Nav
   ===================================================== */
.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    transition: background var(--ease), box-shadow var(--ease);
}
.nav.nav--scrolled {
    background: rgba(12, 12, 12, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 var(--c-border);
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--px);
}
.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 44px;
}
.nav__logo img { height: 44px; width: auto; }
.nav__logo-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    letter-spacing: 0.06em;
    color: var(--c-cream);
}
.nav__links {
    display: flex;
    align-items: center;
    gap: 36px;
}
.nav__links a {
    font-size: 0.9rem;
    font-weight: 700;
    color: rgba(242, 239, 231, 0.9);
    transition: color var(--ease);
}
.nav__links a:hover { color: var(--c-gold); }
.nav__links a.btn--primary { color: var(--c-black); }
.nav__links a.btn--outline:hover { color: var(--c-black); }
.nav__links .btn { padding: 9px 22px; }

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}
.nav__toggle span {
    display: block;
    height: 2px;
    background: var(--c-cream);
    border-radius: 2px;
    transition: transform var(--ease), opacity var(--ease);
}
.nav__mobile {
    display: none;
    position: fixed;
    top: var(--nav-h);
    inset-inline: 0;
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(16px);
    padding: 28px var(--px);
    border-top: 1px solid var(--c-border);
    flex-direction: column;
    gap: 4px;
    z-index: 99;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
    font-size: 1.05rem;
    font-weight: 500;
    color: rgba(242, 239, 231, 0.85);
    padding: 12px 0;
    border-bottom: 1px solid var(--c-border-dim);
    transition: color var(--ease);
}
.nav__mobile a:hover { color: var(--c-gold); }
.nav__mobile .btn {
    margin-top: 12px;
    justify-content: center;
    align-self: flex-start;
}

/* 7. Hero
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-color: var(--c-dark-2);
    background-image:
        repeating-linear-gradient(
            -45deg,
            rgba(218, 165, 39, 0.03) 0px,
            rgba(218, 165, 39, 0.03) 1px,
            transparent 1px,
            transparent 64px
        );
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 72% 44%, rgba(139, 0, 0, 0.13), transparent 55%),
        radial-gradient(ellipse at 18% 85%, rgba(218, 165, 39, 0.08), transparent 48%);
    pointer-events: none;
}
.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 56px;
    padding-top: var(--nav-h);
    padding-bottom: 48px;
}
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid rgba(218, 165, 39, 0.4);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-gold);
    margin-bottom: 28px;
}
.hero__badge::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--c-gold);
    border-radius: 50%;
    flex-shrink: 0;
}
.hero__title {
    margin-bottom: 24px;
}
.hero__title em {
    font-style: normal;
    color: var(--c-gold);
}
.hero__subtitle {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    margin-bottom: 40px;
    max-width: 480px;
    line-height: 1.75;
    color: rgba(242, 239, 231, 0.7);
}
.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero__logo-ring {
    position: relative;
    width: clamp(260px, 32vw, 420px);
    height: clamp(260px, 32vw, 420px);
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero__logo-ring::before {
    content: '';
    position: absolute;
    inset: -18px;
    border-radius: 50%;
    border: 1px solid rgba(218, 165, 39, 0.14);
    animation: spin 22s linear infinite;
}
.hero__logo-ring::after {
    content: '';
    position: absolute;
    inset: -38px;
    border-radius: 50%;
    border: 1px dashed rgba(218, 165, 39, 0.07);
    animation: spin 35s linear infinite reverse;
}
.hero__logo {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 48px rgba(218, 165, 39, 0.18));
}
.hero__scroll-hint {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(242, 239, 231, 0.35);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.hero__scroll-hint::after {
    content: '';
    width: 1px;
    height: 44px;
    background: linear-gradient(to bottom, rgba(218, 165, 39, 0.45), transparent);
}

/* 8. Servicios
   ===================================================== */
.servicios__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.servicio-card {
    padding: 40px 32px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    position: relative;
    overflow: hidden;
    transition: transform var(--ease), border-color var(--ease), background var(--ease);
}
.servicio-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--c-red), var(--c-gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.servicio-card:hover {
    border-color: rgba(218, 165, 39, 0.35);
    background: rgba(218, 165, 39, 0.03);
    transform: translateY(-5px);
}
.servicio-card:hover::before { transform: scaleX(1); }

.servicio-card__icon {
    width: 54px; height: 54px;
    border-radius: var(--radius);
    background: rgba(218, 165, 39, 0.09);
    border: 1px solid rgba(218, 165, 39, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--c-gold);
}
.servicio-card__icon svg { width: 26px; height: 26px; }
.servicio-card__title { margin-bottom: 12px; font-size: 1.25rem; }
.servicio-card__text { font-size: 0.95rem; line-height: 1.75; }

/* 9. Proyectos
   ===================================================== */
.proyectos__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.proyecto-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4 / 3;
    border: 1px solid var(--c-border);
    cursor: pointer;
}
.proyecto-card__bg {
    position: absolute;
    inset: 0;
    transition: transform 0.5s ease;
}
.proyecto-card__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.proyecto-card:hover .proyecto-card__bg,
.proyecto-card:hover .proyecto-card__img { transform: scale(1.06); }

.proyecto-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.88) 45%, rgba(0,0,0,0.2) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
}
.proyecto-card__tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--c-red);
    border-radius: var(--radius);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-cream);
    margin-bottom: 10px;
    width: fit-content;
}
.proyecto-card__title { font-size: 1.05rem; }
.proyecto-card__text {
    margin-top: 8px;
    font-size: 0.82rem;
    line-height: 1.45;
    color: rgba(242, 239, 231, 0.66);
}

/* project placeholder backgrounds */
.bg-p1 { background: linear-gradient(135deg, #1c0808, #3a1515, #1c0808); }
.bg-p2 {
    background: #0d0d0d;
    background-image:
        repeating-linear-gradient(0deg, rgba(218,165,39,0.06) 0, rgba(218,165,39,0.06) 1px, transparent 1px, transparent 36px),
        repeating-linear-gradient(90deg, rgba(218,165,39,0.06) 0, rgba(218,165,39,0.06) 1px, transparent 1px, transparent 36px);
}
.bg-p3 { background: linear-gradient(135deg, #0a0a18, #121228, #0a0a18); }
.bg-p4 { background: linear-gradient(135deg, #100f00, #221e00, #100f00); }
.bg-p5 {
    background: #0c0c0c;
    background-image: repeating-linear-gradient(45deg, rgba(218,165,39,0.05) 0, rgba(218,165,39,0.05) 1px, transparent 1px, transparent 18px);
}
.bg-p6 { background: linear-gradient(135deg, #0a0a0a, #181818, #0a0a0a); }

/* 10. Galería
   ===================================================== */
.galeria__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 220px 220px;
    gap: 12px;
}
.galeria__item {
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--c-border);
    cursor: pointer;
}
.galeria__item--dynamic:focus-visible {
    outline: 2px solid var(--c-gold);
    outline-offset: 3px;
}
.galeria__item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.galeria__item:nth-child(5) { grid-column: span 2; }

.galeria__item__bg {
    position: absolute;
    inset: 0;
    transition: transform 0.45s ease;
    background-size: cover;
    background-position: center;
}
.galeria__item__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.galeria__item:hover .galeria__item__bg,
.galeria__item:hover .galeria__item__img { transform: scale(1.08); }
.galeria__item__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--ease);
}
.galeria__item:hover .galeria__item__overlay { opacity: 1; }
.galeria__item__overlay svg { width: 36px; height: 36px; color: #fff; }

/* gallery placeholder backgrounds */
.bg-g1 { background: linear-gradient(135deg, #1a0a0a, #3d1212); }
.bg-g2 { background: linear-gradient(135deg, #0f0c00, #2a2200); }
.bg-g3 {
    background: #0d0d0d;
    background-image: repeating-linear-gradient(-45deg, rgba(218,165,39,0.07) 0, rgba(218,165,39,0.07) 1px, transparent 1px, transparent 22px);
}
.bg-g4 { background: linear-gradient(135deg, #0a0a14, #121228); }
.bg-g5 { background: linear-gradient(135deg, #100f00, #1f1e00); }
.bg-g6 { background: linear-gradient(135deg, #0a0808, #1a1010); }

.galeria__cta { text-align: center; margin-top: 44px; }

/* Gallery lightbox */
.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(16px, 4vw, 42px);
    background: rgba(0, 0, 0, 0.92);
}
.gallery-lightbox.open { display: flex; }
.gallery-lightbox__inner {
    width: min(1180px, 100%);
    max-height: min(760px, 86vh);
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.62fr);
    border: 1px solid var(--c-border);
    background: var(--c-dark-2);
}
.gallery-lightbox__media {
    min-height: 360px;
    background: var(--c-black);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.gallery-lightbox__media img {
    width: 100%;
    height: 100%;
    max-height: 86vh;
    object-fit: contain;
}
.gallery-lightbox__meta {
    padding: clamp(22px, 3vw, 34px);
    border-left: 1px solid var(--c-border);
    overflow-y: auto;
}
.gallery-lightbox__meta h3 {
    font-size: clamp(1.35rem, 2.1vw, 2rem);
    margin-bottom: 16px;
}
.gallery-lightbox__meta p {
    color: rgba(242, 239, 231, 0.74);
    line-height: 1.75;
}
.gallery-lightbox__close,
.gallery-lightbox__nav {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(218, 165, 39, 0.55);
    background: rgba(0, 0, 0, 0.68);
    color: var(--c-cream);
    transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.gallery-lightbox__close:hover,
.gallery-lightbox__nav:hover {
    background: var(--c-gold);
    border-color: var(--c-gold);
    color: var(--c-black);
}
.gallery-lightbox__close {
    top: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
    font-size: 1.7rem;
    line-height: 1;
}
.gallery-lightbox__nav {
    top: 50%;
    width: 46px;
    height: 62px;
    transform: translateY(-50%);
    font-size: 2.2rem;
    line-height: 1;
}
.gallery-lightbox__nav--prev { left: 18px; }
.gallery-lightbox__nav--next { right: 18px; }

/* Public project detail */
.project-public {
    min-height: 100vh;
    padding-top: var(--nav-h);
    background: var(--c-dark);
    color: var(--c-cream);
}
.project-public__hero {
    padding: 56px 0 64px;
    background: var(--c-dark-2);
    border-bottom: 1px solid var(--c-border);
}
.project-public__kicker {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}
.project-public__kicker .eyebrow {
    margin-bottom: 0;
}
.project-public__hero h1 {
    max-width: 940px;
    margin: 0 0 18px;
}
.project-public__hero p {
    max-width: 720px;
    font-size: 1.05rem;
    line-height: 1.75;
}
.project-public__album {
    padding: 36px 0 0;
    background: var(--c-dark);
}
.project-carousel {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 12px;
}
.project-carousel__item {
    flex: 0 0 auto;
    width: min(520px, 82vw);
    aspect-ratio: 16 / 10;
    border: 1px solid var(--c-border);
    scroll-snap-align: start;
}
.project-carousel__item:nth-child(1),
.project-carousel__item:nth-child(5) {
    grid-column: auto;
    grid-row: auto;
}
.project-public__body {
    padding: 64px 0 96px;
}
.project-public__related {
    padding: 0 0 88px;
    background: var(--c-dark);
}
.project-related__header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
    border-top: 1px solid var(--c-border);
    padding-top: 42px;
}
.project-related__header .eyebrow {
    margin-bottom: 0;
}
.project-related__header h2 {
    max-width: 680px;
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    text-align: right;
}
.project-related-carousel {
    display: flex;
    gap: 18px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 12px;
}
.project-related-card {
    flex: 0 0 min(360px, 82vw);
    scroll-snap-align: start;
}
.project-content {
    max-width: 820px;
    color: rgba(242, 239, 231, 0.78);
    line-height: 1.78;
}
.project-content h2,
.project-content h3,
.project-content h4 {
    margin: 34px 0 14px;
    color: var(--c-cream);
}
.project-content h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.project-content h3 { color: var(--c-gold); }
.project-content p { margin-bottom: 18px; }
.project-content ul {
    list-style: disc;
    padding-left: 24px;
    margin: 0 0 22px;
}
.project-content li { margin-bottom: 8px; }
.project-content a {
    color: var(--c-gold);
    border-bottom: 1px solid rgba(218, 165, 39, 0.45);
}
.project-content code {
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--c-border-dim);
}
.project-content__image {
    width: min(100%, 760px);
    margin: 34px auto;
    text-align: center;
}
.project-content__image img {
    width: auto;
    max-width: 100%;
    max-height: 72vh;
    margin-inline: auto;
    border: 1px solid var(--c-border);
    object-fit: contain;
}
.project-content__image figcaption {
    margin-top: 10px;
    font-size: 0.84rem;
    color: rgba(242, 239, 231, 0.5);
}
.project-video {
    max-width: 920px;
    aspect-ratio: 16 / 9;
    margin-top: 36px;
    border: 1px solid var(--c-border);
    background: #000;
}
.project-video iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

/* 11. Contacto
   ===================================================== */
.contacto__inner {
    display: grid;
    grid-template-columns: 1fr 1.55fr;
    gap: 72px;
    align-items: start;
}
.contacto__info-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 14px;
}
.contacto__info > p { margin-bottom: 40px; line-height: 1.75; }

.contacto__items {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-bottom: 40px;
}
.contacto__item { display: flex; align-items: flex-start; gap: 14px; }
.contacto__item-icon {
    width: 44px; height: 44px;
    flex-shrink: 0;
    border-radius: var(--radius);
    background: rgba(218, 165, 39, 0.08);
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-gold);
}
.contacto__item-icon svg { width: 20px; height: 20px; }
.contacto__item-text small {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--c-gold);
    margin-bottom: 2px;
}
.contacto__item-text span { font-size: 0.92rem; }

.contacto__social { display: flex; gap: 12px; }
.contacto__social a {
    width: 44px; height: 44px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(242, 239, 231, 0.6);
    transition: var(--ease);
}
.contacto__social a:hover { border-color: var(--c-gold); color: var(--c-gold); }
.contacto__social svg { width: 20px; height: 20px; }

/* Form */
.form {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}
.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form__group { margin-bottom: 20px; }
.form__label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: rgba(242, 239, 231, 0.65);
    margin-bottom: 7px;
    letter-spacing: 0.03em;
}
.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(218, 165, 39, 0.2);
    border-radius: var(--radius);
    color: var(--c-cream);
    font-size: 0.93rem;
    transition: border-color var(--ease), background var(--ease);
    outline: none;
    appearance: none;
}
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    border-color: var(--c-gold);
    background: rgba(218, 165, 39, 0.04);
}
.form__input::placeholder,
.form__textarea::placeholder { color: rgba(242, 239, 231, 0.28); }
.form__select option { background: #1a1a1a; }
.form__textarea { resize: vertical; min-height: 140px; }
.form__submit { width: 100%; padding: 15px; font-size: 0.97rem; justify-content: center; }
.form__feedback {
    margin-top: 16px;
    padding: 13px 18px;
    border-radius: var(--radius);
    font-size: 0.88rem;
    text-align: center;
    display: none;
}
.form__feedback--success {
    display: block;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}
.form__feedback--error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* 12. Footer
   ===================================================== */
.footer {
    background: var(--c-black);
    border-top: 1px solid var(--c-border);
    padding-block: 64px 32px;
}
.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 56px;
    margin-bottom: 56px;
}
.footer__logo { height: 40px; width: auto; margin-bottom: 18px; }
.footer__brand p {
    font-size: 0.88rem;
    line-height: 1.75;
    max-width: 300px;
    color: rgba(242, 239, 231, 0.55);
}
.footer__col h4 {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--c-gold);
    margin-bottom: 20px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a {
    font-size: 0.88rem;
    color: rgba(242, 239, 231, 0.55);
    transition: color var(--ease);
}
.footer__col a:hover { color: var(--c-cream); }
.footer__bottom {
    border-top: 1px solid var(--c-border-dim);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: rgba(242, 239, 231, 0.35);
    gap: 16px;
}
.footer__bottom a { transition: color var(--ease); }
.footer__bottom a:hover { color: var(--c-cream); }

/* 13. Reveal animation
   ===================================================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* 14. Keyframes
   ===================================================== */
@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* 15. Responsive
   ===================================================== */
@media (max-width: 1024px) {
    :root { --py: 84px; }
    .servicios__grid { grid-template-columns: 1fr 1fr; }
    .proyectos__grid  { grid-template-columns: 1fr 1fr; }
    .galeria__grid    {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: 200px 200px;
    }
    .galeria__item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
    .galeria__item:nth-child(5) { grid-column: span 1; }
    .footer__inner { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: span 2; }
}

@media (max-width: 768px) {
    :root { --py: 64px; }

    .nav__links  { display: none; }
    .nav__toggle { display: flex; }

    .hero__inner         { grid-template-columns: 1fr; text-align: center; }
    .hero__visual        { display: none; }
    .hero__subtitle      { margin-inline: auto; }
    .hero__actions       { justify-content: center; }

    .servicios__grid { grid-template-columns: 1fr; }
    .proyectos__grid  { grid-template-columns: 1fr; }

    .galeria__grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: repeat(3, 180px);
    }
    .galeria__item:nth-child(1),
    .galeria__item:nth-child(5) { grid-column: span 1; grid-row: span 1; }

    .contacto__inner { grid-template-columns: 1fr; gap: 48px; }
    .form__row       { grid-template-columns: 1fr; }
    .form            { padding: 28px 20px; }

    .footer__inner   { grid-template-columns: 1fr; gap: 36px; }
    .footer__brand   { grid-column: span 1; }
    .footer__bottom  { flex-direction: column; text-align: center; }

    .gallery-lightbox {
        padding: 54px 14px 18px;
    }
    .gallery-lightbox__inner {
        grid-template-columns: 1fr;
        max-height: 88vh;
        overflow-y: auto;
    }
    .gallery-lightbox__media {
        min-height: 240px;
    }
    .gallery-lightbox__meta {
        border-left: 0;
        border-top: 1px solid var(--c-border);
    }
    .gallery-lightbox__nav {
        width: 38px;
        height: 48px;
    }
    .project-public__hero {
        padding: 42px 0 54px;
    }
    .project-public__kicker {
        align-items: flex-start;
        flex-direction: column;
    }
    .project-related__header {
        align-items: flex-start;
        flex-direction: column;
    }
    .project-related__header h2 {
        text-align: left;
    }
}