/* ============================================================
   PUNTAMAR SUNSET — Landing styles
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
    --c-bg:        #0e1014;
    --c-surface:   #15181f;
    --c-surface-2: #1c2029;
    --c-line:      #2a2f3a;
    --c-text:      #e9e7e2;
    --c-text-dim:  #a8a59f;
    --c-text-mute: #6b6a66;
    --c-accent:    #c9a76a;       /* dorado cálido */
    --c-accent-2:  #d6b87f;
    --c-light:     #f5f2ec;
    --c-light-2:   #ebe6dc;

    --ff-display: 'Playfair Display', Georgia, serif;
    --ff-body:    'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

    --maxw: 1240px;
    --pad-x: clamp(1.25rem, 4vw, 2.5rem);

    --radius-sm: 6px;
    --radius:    14px;
    --radius-lg: 22px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, .15);
    --shadow:    0 12px 40px rgba(0, 0, 0, .25);

    --t: 320ms cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--ff-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--t); }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4 { margin: 0; font-family: var(--ff-display); font-weight: 500; line-height: 1.15; letter-spacing: -.01em; }
p { margin: 0 0 1em; }

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding-inline: var(--pad-x);
}

.eyebrow {
    font-family: var(--ff-body);
    font-size: .75rem;
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin: 0 0 1rem;
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.5rem;
}
.section-head h2 {
    font-size: clamp(2rem, 4.2vw, 3.25rem);
    margin-bottom: .75rem;
}
.section-head .section-sub {
    color: var(--c-text-dim);
    font-size: 1.05rem;
    margin: 0;
}
.section-head.light h2 { color: var(--c-bg); }
.section-head.light .section-sub { color: rgba(14, 16, 20, .65); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .95rem 1.75rem;
    font-size: .85rem;
    font-weight: 500;
    letter-spacing: .15em;
    text-transform: uppercase;
    border-radius: 999px;
    transition: transform var(--t), background var(--t), color var(--t), border-color var(--t);
    border: 1px solid transparent;
    will-change: transform;
}
.btn-primary {
    background: var(--c-accent);
    color: var(--c-bg);
}
.btn-primary:hover { background: var(--c-accent-2); transform: translateY(-1px); }
.btn-ghost {
    border-color: rgba(255, 255, 255, .35);
    color: var(--c-light);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .08); border-color: var(--c-light); }
.btn-sm { padding: .7rem 1.25rem; font-size: .75rem; }
.btn-block { width: 100%; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    transition: background var(--t), backdrop-filter var(--t), border-color var(--t);
    border-bottom: 1px solid transparent;
}
.site-header.scrolled {
    background: rgba(14, 16, 20, .85);
    backdrop-filter: saturate(140%) blur(14px);
    -webkit-backdrop-filter: saturate(140%) blur(14px);
    border-bottom-color: var(--c-line);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-block: 1.1rem;
}
.brand {
    display: flex;
    flex-direction: column;
    line-height: 1;
}
.brand-mark {
    font-family: var(--ff-body);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: .25em;
    color: var(--c-light);
}
.brand-sub {
    font-size: .65rem;
    letter-spacing: .55em;
    color: var(--c-accent);
    margin-top: .25rem;
}

.nav { display: none; gap: 2rem; align-items: center; }
.nav a {
    font-size: .82rem;
    font-weight: 400;
    letter-spacing: .08em;
    color: var(--c-text-dim);
}
.nav a:hover { color: var(--c-light); }
.nav .nav-cta {
    padding: .55rem 1.1rem;
    border: 1px solid var(--c-accent);
    border-radius: 999px;
    color: var(--c-accent);
    text-transform: uppercase;
    letter-spacing: .15em;
    font-size: .72rem;
}
.nav .nav-cta:hover { background: var(--c-accent); color: var(--c-bg); }

.nav-tools { display: flex; align-items: center; gap: 1rem; }

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .78rem;
    letter-spacing: .12em;
    color: var(--c-text-dim);
    padding: .35rem .65rem;
    border: 1px solid var(--c-line);
    border-radius: 999px;
}
.lang-toggle .lang-opt.active { color: var(--c-accent); font-weight: 600; }
.lang-toggle .lang-sep { color: var(--c-text-mute); }

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: .5rem;
    width: 40px;
}
.menu-toggle span {
    display: block;
    height: 1.5px;
    width: 22px;
    background: var(--c-light);
    transition: transform var(--t), opacity var(--t);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    color: var(--c-light);
}
.hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom {
    to { transform: scale(1); }
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(14, 16, 20, .55) 0%, rgba(14, 16, 20, .35) 35%, rgba(14, 16, 20, .92) 100%),
        linear-gradient(90deg, rgba(14, 16, 20, .45) 0%, transparent 50%);
}
.hero-content {
    position: relative;
    z-index: 2;
    padding-block: 8rem 5rem;
    width: 100%;
}
.hero-eyebrow {
    color: var(--c-accent);
    font-size: .8rem;
    letter-spacing: .35em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}
.hero-title {
    font-size: clamp(2.4rem, 6vw, 5rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
    max-width: 18ch;
}
.hero-subtitle {
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    color: rgba(245, 242, 236, .85);
    max-width: 56ch;
    margin-bottom: 2.5rem;
    line-height: 1.55;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 4rem; }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, .15);
    padding-top: 2rem;
    max-width: 720px;
}
.hero-stats > div {
    display: flex;
    flex-direction: column;
    gap: .25rem;
}
.hero-stats strong {
    font-family: var(--ff-display);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 500;
    color: var(--c-accent);
    line-height: 1;
}
.hero-stats span {
    font-size: .72rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--c-text-dim);
}

.hero-scroll {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    z-index: 3;
}
.hero-scroll::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, .25);
}
.hero-scroll span {
    position: absolute;
    inset: 0;
    background: var(--c-accent);
    transform-origin: top;
    animation: scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.01% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   INTRO
   ============================================================ */
.intro {
    padding: clamp(5rem, 10vw, 8rem) 0;
    background: var(--c-bg);
}
.intro-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}
.intro-text .eyebrow { margin-bottom: 1.25rem; }
.intro-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
}
.intro-text p {
    color: var(--c-text-dim);
    font-size: 1.05rem;
}
.intro-image img {
    border-radius: var(--radius);
    aspect-ratio: 4 / 5;
    object-fit: cover;
    box-shadow: var(--shadow);
}

/* ============================================================
   TIPOLOGÍAS
   ============================================================ */
.typologies {
    padding: clamp(5rem, 10vw, 8rem) 0;
    background: var(--c-surface);
    border-block: 1px solid var(--c-line);
}

.typ-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .5rem;
    margin-bottom: 3rem;
}
.typ-tab {
    padding: .85rem 1.6rem;
    font-size: .8rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--c-text-dim);
    border: 1px solid var(--c-line);
    border-radius: 999px;
    transition: all var(--t);
}
.typ-tab:hover { color: var(--c-light); border-color: var(--c-text-dim); }
.typ-tab.active {
    background: var(--c-accent);
    color: var(--c-bg);
    border-color: var(--c-accent);
}

.typ-panel { display: none; }
.typ-panel.active {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    animation: fadeUp .6s ease;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.typ-gallery { display: flex; flex-direction: column; gap: 1rem; }
.typ-main {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--c-surface-2);
}
.typ-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity var(--t);
}
.typ-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .65rem;
}
.thumb {
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    padding: 0;
    border: 2px solid transparent;
    transition: border-color var(--t), transform var(--t);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb:hover { transform: translateY(-2px); }
.thumb.active { border-color: var(--c-accent); }

.typ-info .eyebrow { margin-bottom: .75rem; }
.typ-info h3 {
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    margin-bottom: 1rem;
}
.typ-desc {
    color: var(--c-text-dim);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.typ-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    border-block: 1px solid var(--c-line);
}
.typ-specs li { display: flex; flex-direction: column; gap: .25rem; }
.typ-specs strong {
    font-family: var(--ff-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--c-light);
}
.typ-specs span {
    font-size: .7rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--c-text-mute);
}

/* ============================================================
   AMENIDADES
   ============================================================ */
.amenities {
    padding: clamp(5rem, 10vw, 8rem) 0;
    background: var(--c-bg);
}
.am-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 5rem;
}
.am-card {
    padding: 2rem 1.75rem;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    transition: transform var(--t), border-color var(--t), background var(--t);
}
.am-card:hover {
    transform: translateY(-4px);
    border-color: var(--c-accent);
    background: var(--c-surface-2);
}
.am-icon {
    width: 48px;
    height: 48px;
    color: var(--c-accent);
    margin-bottom: 1.25rem;
}
.am-icon svg { width: 100%; height: 100%; }
.am-card h3 {
    font-family: var(--ff-body);
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: .04em;
    margin-bottom: .5rem;
    color: var(--c-light);
}
.am-card p {
    color: var(--c-text-dim);
    font-size: .92rem;
    margin: 0;
}

.specs {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: clamp(2rem, 4vw, 3rem);
}
.specs h3 {
    font-size: clamp(1.4rem, 2.5vw, 1.75rem);
    margin-bottom: 2rem;
    color: var(--c-light);
}
.specs-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem 2.5rem;
}
.specs-list li {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--c-line);
}
.specs-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.specs-list strong {
    font-family: var(--ff-body);
    font-size: .72rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--c-accent);
    font-weight: 500;
}
.specs-list span { color: var(--c-text-dim); font-size: .98rem; }

/* ============================================================
   UBICACIÓN
   ============================================================ */
.location {
    padding: clamp(5rem, 10vw, 8rem) 0;
    background: var(--c-surface);
    border-block: 1px solid var(--c-line);
}
.loc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
.loc-map {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    border: 1px solid var(--c-line);
}
.loc-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: invert(.9) hue-rotate(180deg) saturate(.8);
}
.loc-points h3 {
    font-family: var(--ff-body);
    font-size: .85rem;
    font-weight: 500;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: 1.5rem;
}
.loc-points ul { display: flex; flex-direction: column; gap: 1rem; }
.loc-points li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--c-line);
    color: var(--c-text-dim);
}
.loc-points li:last-child { border-bottom: 0; }
.loc-points .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-accent);
    flex-shrink: 0;
}

/* ============================================================
   COMERCIAL
   ============================================================ */
.commercial {
    padding: clamp(5rem, 10vw, 8rem) 0;
    background: var(--c-light);
    color: var(--c-bg);
}
.com-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}
.com-card {
    padding: 2.5rem 2rem;
    background: #fff;
    border: 1px solid rgba(14, 16, 20, .08);
    border-radius: var(--radius);
}
.com-card .eyebrow { color: var(--c-accent); margin-bottom: 1.25rem; }
.com-card.highlight {
    background: var(--c-bg);
    color: var(--c-light);
    border-color: var(--c-bg);
}
.com-price {
    font-family: var(--ff-display);
    font-size: clamp(1.75rem, 3.2vw, 2.4rem);
    font-weight: 500;
    line-height: 1.1;
    margin: 0 0 .75rem;
    color: var(--c-accent);
}
.com-price span { font-size: .65em; color: var(--c-light-2); }
.com-card .com-note { color: rgba(245, 242, 236, .65); font-size: .92rem; margin: 0; }
.com-card:not(.highlight) .com-note { color: rgba(14, 16, 20, .55); }

.com-steps { display: flex; flex-direction: column; gap: 1.25rem; }
.com-steps li {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(14, 16, 20, .08);
}
.com-steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.com-steps strong {
    font-family: var(--ff-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--c-bg);
    min-width: 4ch;
}
.com-steps span { color: rgba(14, 16, 20, .7); }

.com-delivery {
    font-family: var(--ff-display);
    font-size: clamp(1.75rem, 3.2vw, 2.4rem);
    font-weight: 500;
    margin: 0 0 .75rem;
    color: var(--c-bg);
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact {
    padding: clamp(5rem, 10vw, 8rem) 0;
    background: var(--c-bg);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}
.contact-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
}
.contact-text > p {
    color: var(--c-text-dim);
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.contact-info li {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--c-line);
}
.contact-info li:last-child { border-bottom: 0; }
.contact-info strong {
    font-size: .72rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--c-accent);
    font-weight: 500;
}
.contact-info a, .contact-info span { color: var(--c-light); font-size: 1rem; }
.contact-info a:hover { color: var(--c-accent); }

.contact-form {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: clamp(1.75rem, 3.5vw, 2.5rem);
}
.field { display: flex; flex-direction: column; margin-bottom: 1.25rem; }
.field-row { display: grid; grid-template-columns: 1fr; gap: 0; }
.field-row .field { margin-bottom: 1.25rem; }

.field label {
    font-size: .72rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--c-text-dim);
    margin-bottom: .5rem;
    font-weight: 500;
}
.field input,
.field select,
.field textarea {
    background: var(--c-surface-2);
    border: 1px solid var(--c-line);
    color: var(--c-light);
    font-family: inherit;
    font-size: .98rem;
    padding: .85rem 1rem;
    border-radius: var(--radius-sm);
    transition: border-color var(--t), background var(--t);
    width: 100%;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--c-accent);
    background: var(--c-bg);
}
.field textarea { resize: vertical; min-height: 96px; }

.form-status {
    margin: 1rem 0 0;
    font-size: .9rem;
    text-align: center;
    min-height: 1.4em;
}
.form-status.success { color: #7ed492; }
.form-status.error   { color: #e58a8a; }

/* ============================================================
   DESARROLLADOR
   ============================================================ */
.developer {
    padding: clamp(5rem, 10vw, 8rem) 0;
    background: var(--c-surface);
    border-block: 1px solid var(--c-line);
}

/* — Header: logo + texto — */
.dev-header {
    max-width: 760px;
    margin: 0 auto 4rem;
    text-align: center;
}
.dev-logo-link {
    display: inline-block;
    margin: 0 auto 2rem;
    opacity: .85;
    transition: opacity var(--t), transform var(--t);
}
.dev-logo-link:hover { opacity: 1; transform: translateY(-2px); }
.dev-logo {
    height: 56px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);   /* logo blanco sobre fondo oscuro */
}
.dev-body {
    color: var(--c-text-dim);
    font-size: 1.05rem;
    max-width: 60ch;
    margin: 0 auto;
}

/* — Portafolio grid — */
.dev-portfolio-wrap { margin-top: 1rem; }
.dev-portfolio-title {
    font-family: var(--ff-body);
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--c-accent);
    text-align: center;
    margin: 0 0 2rem;
}
.dev-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .85rem;
    max-width: 420px;
    margin: 0 auto;
}

/* — Tarjeta de proyecto — */
.dev-card {
    position: relative;
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--c-surface-2);
    border: 1px solid var(--c-line);
    transition: border-color var(--t), transform var(--t), box-shadow var(--t);
    text-decoration: none;
}
.dev-card:hover {
    border-color: var(--c-accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,.35);
}
.dev-card-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.dev-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.dev-card:hover .dev-card-img img { transform: scale(1.05); }

.dev-card-info {
    padding: .85rem .9rem .8rem;
    display: flex;
    flex-direction: column;
    gap: .2rem;
}
.dev-card-info strong {
    font-family: var(--ff-display);
    font-size: .95rem;
    font-weight: 500;
    color: var(--c-light);
    line-height: 1.2;
}
.dev-card-info span {
    font-size: .7rem;
    color: var(--c-text-dim);
    letter-spacing: .04em;
}

.dev-card-arrow {
    position: absolute;
    top: .65rem;
    right: .65rem;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(14,16,20,.55);
    backdrop-filter: blur(4px);
    color: var(--c-accent);
    opacity: 0;
    transition: opacity var(--t), transform var(--t);
    transform: translateY(4px);
}
.dev-card-arrow svg { width: 16px; height: 16px; }
.dev-card:hover .dev-card-arrow { opacity: 1; transform: translateY(0); }

/* — Footer dev logo — */
.footer-dev-link {
    display: inline-block;
    margin-bottom: 1rem;
    opacity: .4;
    transition: opacity var(--t);
}
.footer-dev-link:hover { opacity: .75; }
.footer-dev-logo {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    padding: 3rem 0 2rem;
    background: var(--c-bg);
    border-top: 1px solid var(--c-line);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
.footer-grid .brand-mark { font-size: 1.05rem; letter-spacing: .25em; margin: 0 0 .35rem; color: var(--c-light); }
.footer-grid .brand-mark span { color: var(--c-accent); letter-spacing: .55em; font-size: .65em; }
.footer-tag { color: var(--c-text-dim); font-size: .9rem; margin: 0; }

.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer-links a {
    color: var(--c-text-dim);
    font-size: .85rem;
    letter-spacing: .04em;
}
.footer-links a:hover { color: var(--c-accent); }

.footer-legal p {
    margin: 0 0 .35rem;
    color: var(--c-text-mute);
    font-size: .8rem;
}

/* ============================================================
   NAV BACKDROP — global (outside header stacking context)
   ============================================================ */
.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(8, 10, 14, .55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t), visibility var(--t);
    z-index: 95;
    pointer-events: none;
}
.nav-backdrop.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* ============================================================
   MOBILE NAV (off-canvas)
   ============================================================ */
@media (max-width: 899px) {
    .nav {
        display: flex;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: auto;
        width: min(82vw, 360px);
        height: 100vh;
        height: 100dvh;
        background: var(--c-surface);
        border-left: 1px solid var(--c-line);
        box-shadow: -20px 0 60px rgba(0, 0, 0, .35);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 5.5rem 2rem 2.5rem;
        transform: translateX(100%);
        transition: transform var(--t);
        z-index: 100;
        overflow-y: auto;
        overscroll-behavior: contain;
    }
    .nav.open { transform: translateX(0); }

    /* Close button inside nav panel */
    .nav-close {
        position: absolute;
        top: 1.25rem;
        right: 1.25rem;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        color: var(--c-text-dim);
        background: var(--c-surface-2);
        border: 1px solid var(--c-line);
        transition: background var(--t), color var(--t);
        flex-shrink: 0;
    }
    .nav-close:hover { background: var(--c-line); color: var(--c-light); }
    .nav-close svg { width: 18px; height: 18px; }
    .nav a {
        width: 100%;
        padding: 1rem 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--c-line);
        color: var(--c-light);
    }
    .nav .nav-cta {
        margin-top: 1.5rem;
        width: 100%;
        padding: 1rem;
        text-align: center;
        border-bottom: 0;
    }
}

/* ============================================================
   RESPONSIVE — TABLET (≥ 720)
   ============================================================ */
@media (min-width: 720px) {
    .am-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
    .specs-list { grid-template-columns: repeat(2, 1fr); }
    .typ-specs { grid-template-columns: repeat(4, 1fr); }
    .field-row { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .com-grid { grid-template-columns: repeat(3, 1fr); }
    .dev-portfolio-grid { grid-template-columns: repeat(2, 1fr); max-width: none; gap: 1.25rem; }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; align-items: center; }
    .footer-legal { text-align: right; }
}

/* ============================================================
   RESPONSIVE — DESKTOP (≥ 900)
   ============================================================ */
@media (min-width: 900px) {
    .nav { display: flex; }
    .menu-toggle { display: none; }

    .intro-grid { grid-template-columns: 1.1fr 1fr; gap: 5rem; }
    .typ-panel.active { grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: center; }
    .am-grid { grid-template-columns: repeat(3, 1fr); }
    .loc-grid { grid-template-columns: 1.4fr 1fr; gap: 3rem; }
    .contact-grid { grid-template-columns: 1fr 1fr; gap: 5rem; }
    .dev-portfolio-grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
}

/* ============================================================
   WHATSAPP FAB
   ============================================================ */
.wa-fab {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    z-index: 200;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, .45);
    animation: waWiggle 3s ease-in-out 2s infinite;
    transition: transform var(--t), box-shadow var(--t);
    text-decoration: none;
}
.wa-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 211, 102, .65);
    animation: none;
}
.wa-fab svg {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
}

/* Tooltip */
.wa-tooltip {
    position: absolute;
    right: calc(100% + .75rem);
    top: 50%;
    transform: translateY(-50%);
    background: var(--c-surface);
    color: var(--c-text);
    font-family: var(--ff-body);
    font-size: .78rem;
    white-space: nowrap;
    padding: .45rem .85rem;
    border-radius: 999px;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t), transform var(--t);
    transform: translateY(-50%) translateX(6px);
}
.wa-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--c-line);
}
.wa-fab:hover .wa-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Wiggle + pulse animation */
@keyframes waWiggle {
    0%, 100%   { transform: rotate(0deg)   scale(1);    box-shadow: 0 4px 20px rgba(37,211,102,.45); }
    10%        { transform: rotate(-12deg) scale(1.08); }
    20%        { transform: rotate(10deg)  scale(1.08); }
    30%        { transform: rotate(-8deg)  scale(1.05); }
    40%        { transform: rotate(6deg)   scale(1.05); }
    50%        { transform: rotate(0deg)   scale(1);    }
    70%        { transform: scale(1.06);               box-shadow: 0 4px 28px rgba(37,211,102,.65); }
    85%        { transform: scale(1);                  box-shadow: 0 4px 20px rgba(37,211,102,.45); }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}