/* ─── Página Concept — estilos propios ─── */
:root {
    --cpt-blue: #13233d;
    --cpt-blue-light: #3d72b4;
    --cpt-blue-bright: #5b93d9;
    --cpt-dark: #0a121f;
    --cpt-bg: #0b1420;
    --cpt-bg-2: #0e1a2b;

    --theme-accent: var(--cpt-blue-light);
    --theme-accent-rgb: 61, 114, 180;
}

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.cpt-hero {
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding: 150px 60px 90px;
    position: relative;
    overflow: hidden;
    background: url('../img/concept.png') center/cover no-repeat;
}
.cpt-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10,18,31,0.6) 0%,
        rgba(10,18,31,0.38) 40%,
        rgba(10,18,31,0.9) 85%,
        rgba(10,18,31,1) 100%
    );
}
.cpt-hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
}
.cpt-tag {
    display: inline-block;
    background: var(--cpt-blue-light);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 2.5px;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 24px;
    text-transform: uppercase;
}
.cpt-hero h1 {
    font-size: clamp(2.8rem, 5.5vw, 5.2rem);
    font-weight: 900;
    line-height: 1.08;
    color: #fff;
    margin-bottom: 22px;
}
.cpt-hero h1 span {
    color: var(--cpt-blue-bright);
}
.cpt-hero p.lead {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.82);
    max-width: 580px;
    line-height: 1.7;
    margin-bottom: 38px;
    font-weight: 400;
}
.hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}
.btn-cpt-primary {
    background: var(--cpt-blue-light);
    color: #fff;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.btn-cpt-primary:hover {
    background: var(--cpt-blue-bright);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(61,114,180,0.4);
}
.btn-cpt-ghost {
    color: rgba(255,255,255,0.8);
    border: 2px solid rgba(255,255,255,0.35);
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}
.btn-cpt-ghost:hover {
    border-color: white;
    color: white;
}

/* Botones "Contáctanos" (header) y "Enviar mensaje" (formulario) en el azul de esta página */
.btn-solid {
    background-color: var(--cpt-blue-light);
    color: #fff;
}
.btn-solid:hover {
    background-color: var(--cpt-blue-bright);
}

/* ══════════════════════════════════════════
   INTRO STRIP
══════════════════════════════════════════ */
.cpt-intro {
    background: #0a0e17;
    border-top: 1px solid rgba(61,114,180,0.2);
    border-bottom: 1px solid rgba(61,114,180,0.2);
    padding: 50px 80px;
    text-align: center;
}
.cpt-intro p {
    font-size: 1.05rem;
    color: #a7b2c2;
    line-height: 1.85;
    font-weight: 400;
    font-style: italic;
    max-width: 820px;
    margin: 0 auto;
}

/* ══════════════════════════════════════════
   NUESTRO PROCESO CREATIVO
══════════════════════════════════════════ */
.proceso-creativo-section {
    background: var(--cpt-bg);
    padding: 90px 60px;
}
.pc-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 70px;
}
.pc-header .overtitle {
    color: var(--cpt-blue-bright);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 14px;
    display: block;
}
.pc-header h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 14px;
}
.pc-header p {
    color: #a0aab2;
    font-size: 1rem;
}

.pc-steps {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 70px;
}
.pc-step {
    display: flex;
    align-items: center;
    gap: 60px;
}
.pc-step.reverse {
    flex-direction: row-reverse;
}
.pc-step-media {
    flex: 0 0 44%;
}
.pc-step-media img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.pc-step-text {
    flex: 1;
}
.pc-num {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--cpt-blue-bright);
    margin-bottom: 10px;
}
.pc-step-text h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}
.pc-step-text p {
    font-size: 0.98rem;
    color: #a0aab2;
    line-height: 1.7;
    max-width: 440px;
}

/* Placeholder de imagen/video del proceso */
.pc-placeholder {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    border: 2px dashed rgba(61,114,180,0.4);
    background: linear-gradient(135deg, rgba(61,114,180,0.08), rgba(19,35,61,0.4));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
    padding: 20px;
    transition: border-color 0.3s ease, background 0.3s ease;
}
.pc-step:hover .pc-placeholder {
    border-color: var(--cpt-blue-bright);
    background: linear-gradient(135deg, rgba(61,114,180,0.14), rgba(19,35,61,0.5));
}
.pc-placeholder i {
    font-size: 2.4rem;
    color: var(--cpt-blue-bright);
    opacity: 0.85;
}
.pc-placeholder span {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #7f8ea3;
    text-transform: uppercase;
}

/* ══════════════════════════════════════════
   QUÉ HACEMOS
══════════════════════════════════════════ */
.quehacemos-section {
    background: var(--cpt-bg-2);
    padding: 90px 60px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.qh-inner {
    max-width: 1100px;
    margin: 0 auto;
}
.qh-header {
    text-align: center;
    margin-bottom: 55px;
}
.qh-header span {
    display: block;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--cpt-blue-bright);
    text-transform: uppercase;
    position: relative;
}
.qh-header span::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--cpt-blue-bright);
    margin: 14px auto 0;
    border-radius: 2px;
}
.qh-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.qh-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(61,114,180,0.18);
    border-radius: 16px;
    padding: 32px 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.35s ease;
}
.qh-card:hover {
    border-color: rgba(61,114,180,0.45);
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.qh-icon {
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    border: 2px solid rgba(61,114,180,0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--cpt-blue-bright);
    transition: all 0.3s ease;
}
.qh-card:hover .qh-icon {
    background: var(--cpt-blue-light);
    color: #fff;
    border-color: var(--cpt-blue-light);
}
.qh-card h3 {
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 8px;
}
.qh-card p {
    font-size: 0.88rem;
    color: #a0aab2;
    line-height: 1.6;
}

/* ══════════════════════════════════════════
   CÓMO TRABAJAMOS — 4 PASOS
══════════════════════════════════════════ */
.como-trabajamos-section {
    background: #f4f6f8;
    padding: 90px 50px;
    color: #111;
}
.ct-inner {
    max-width: 1100px;
    margin: 0 auto;
}
.ct-header {
    text-align: center;
    margin-bottom: 60px;
}
.ct-header span {
    display: block;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--cpt-blue-light);
    text-transform: uppercase;
}

.ct-track {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 4px;
}
.ct-chevron {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 22px;
    flex-shrink: 0;
    width: 44px;
}
.ct-chevron span {
    display: block;
    width: 44px;
    height: 60px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='60'%3E%3Ccircle cx='4' cy='6' r='1.5' fill='%233d72b4'/%3E%3Ccircle cx='16' cy='6' r='1.5' fill='%233d72b4'/%3E%3Ccircle cx='10' cy='12' r='2' fill='%233d72b4'/%3E%3Ccircle cx='22' cy='12' r='2' fill='%233d72b4'/%3E%3Ccircle cx='16' cy='18' r='2.5' fill='%233d72b4'/%3E%3Ccircle cx='28' cy='18' r='2.5' fill='%233d72b4'/%3E%3Ccircle cx='22' cy='24' r='3' fill='%233d72b4'/%3E%3Ccircle cx='34' cy='24' r='3' fill='%233d72b4'/%3E%3Ccircle cx='28' cy='30' r='3.5' fill='%233d72b4'/%3E%3Ccircle cx='40' cy='30' r='3.5' fill='%233d72b4'/%3E%3Ccircle cx='22' cy='36' r='3' fill='%233d72b4'/%3E%3Ccircle cx='34' cy='36' r='3' fill='%233d72b4'/%3E%3Ccircle cx='16' cy='42' r='2.5' fill='%233d72b4'/%3E%3Ccircle cx='28' cy='42' r='2.5' fill='%233d72b4'/%3E%3Ccircle cx='10' cy='48' r='2' fill='%233d72b4'/%3E%3Ccircle cx='22' cy='48' r='2' fill='%233d72b4'/%3E%3Ccircle cx='4' cy='54' r='1.5' fill='%233d72b4'/%3E%3Ccircle cx='16' cy='54' r='1.5' fill='%233d72b4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: 44px 60px;
    opacity: 0.3;
    animation: ct-arrow-light 4s linear infinite;
}
.ct-track > .ct-chevron:nth-child(2) span { animation-delay: 0s; }
.ct-track > .ct-chevron:nth-child(4) span { animation-delay: 1.33s; }
.ct-track > .ct-chevron:nth-child(6) span { animation-delay: 2.66s; }
@keyframes ct-arrow-light {
    0%   { opacity: 0.3; filter: none; }
    3%   { opacity: 1;   filter: brightness(1.6) drop-shadow(0 0 7px #3d72b4); }
    28%  { opacity: 1;   filter: brightness(1.6) drop-shadow(0 0 7px #3d72b4); }
    31%  { opacity: 0.3; filter: none; }
    100% { opacity: 0.3; filter: none; }
}

.ct-card {
    flex: 1;
    min-width: 100px;
    text-align: center;
    padding: 10px;
}
.ct-num {
    width: 52px;
    height: 52px;
    background: var(--cpt-blue-light);
    color: #fff;
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    border: 3px solid #e7edf5;
    box-shadow: 0 4px 14px rgba(19,35,61,0.25);
}
.ct-card h4 {
    font-size: 0.85rem;
    font-weight: 800;
    color: #111;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.ct-card p {
    font-size: 0.82rem;
    color: #555;
    line-height: 1.55;
}

/* ══════════════════════════════════════════
   PRESUPUESTO — BANNER OSCURO
══════════════════════════════════════════ */
.cpt-budget {
    background: linear-gradient(135deg, var(--cpt-blue) 0%, var(--cpt-dark) 100%);
    padding: 80px 60px;
}
.budget-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: center;
}
.budget-text h2 {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
}
.budget-text p {
    color: rgba(255,255,255,0.75);
    font-size: 0.98rem;
    line-height: 1.7;
}
.budget-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.budget-item {
    text-align: center;
    padding: 10px;
}
.budget-item i {
    font-size: 1.8rem;
    color: var(--cpt-blue-bright);
    margin-bottom: 14px;
}
.budget-item h4 {
    font-size: 0.82rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.3px;
    margin-bottom: 8px;
    line-height: 1.3;
}
.budget-item p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.5;
}

/* ══════════════════════════════════════════
   TU PROYECTO ANTES DE EXISTIR — 360
══════════════════════════════════════════ */
.cpt-360-section {
    background: var(--cpt-bg);
    padding: 90px 60px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.cpt-360-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}
.cpt-360-text h2 {
    font-size: 2.2rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
}
.cpt-360-text p {
    color: #a0aab2;
    font-size: 1rem;
    line-height: 1.7;
}
.cpt-360-frame {
    position: relative;
    aspect-ratio: 16 / 10;
    border-radius: 18px;
    border: 2px dashed rgba(61,114,180,0.4);
    background: linear-gradient(135deg, rgba(61,114,180,0.1), rgba(10,18,31,0.6));
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow: hidden;
}
.cpt-360-badge {
    align-self: flex-start;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(10,18,31,0.7);
    border: 1px solid rgba(61,114,180,0.5);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: 50px;
}
.cpt-360-middle {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cpt-360-play {
    width: 74px;
    height: 74px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(61,114,180,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.6rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.cpt-360-bottom {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.cpt-360-caption {
    text-align: center;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #7f8ea3;
    text-transform: uppercase;
}
.cpt-360-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}
.cpt-360-controls .bar {
    flex: 1;
    height: 3px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    overflow: hidden;
}
.cpt-360-controls .bar::after {
    content: '';
    display: block;
    width: 35%;
    height: 100%;
    background: var(--cpt-blue-bright);
}
.cpt-360-controls i {
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
}

/* Video styles for showroom */
.cpt-360-video {
    width: 100%;
    height: 100%;
    border-radius: 16px;
    object-fit: cover;
}

/* ══════════════════════════════════════════
   PARA QUIÉN
══════════════════════════════════════════ */
.paraquien-section {
    background: var(--cpt-bg-2);
    padding: 90px 60px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.paraquien-inner {
    max-width: 1200px;
    margin: 0 auto;
}
.paraquien-header {
    text-align: center;
    margin-bottom: 55px;
}
.paraquien-header span {
    display: block;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--cpt-blue-bright);
    text-transform: uppercase;
}
.paraquien-header span::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--cpt-blue-bright);
    margin: 14px auto 0;
    border-radius: 2px;
}
.paraquien-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.pq-card {
    background: rgba(61,114,180,0.08);
    border: 1px solid rgba(61,114,180,0.22);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.pq-card:hover {
    background: rgba(61,114,180,0.16);
    border-color: rgba(91,147,217,0.5);
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.5);
}
.pq-icon {
    font-size: 2rem;
    color: var(--cpt-blue-bright);
}
.pq-card h3 {
    font-size: 1.02rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.pq-card p {
    font-size: 0.88rem;
    color: #a0aab2;
    line-height: 1.6;
}

/* Banner enlace Promotora y Constructora */
.cpt-link-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(61,114,180,0.1);
    border: 1px solid rgba(61,114,180,0.3);
    border-radius: 12px;
    padding: 20px 30px;
    margin-top: 50px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.cpt-link-banner i {
    font-size: 1.5rem;
    color: var(--cpt-blue-bright);
    flex-shrink: 0;
}
.cpt-link-banner p {
    flex: 1;
    font-size: 0.9rem;
    color: #d3d9e2;
    min-width: 200px;
}
.cpt-link-banner p strong {
    color: #fff;
}
.cpt-link-banner a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--cpt-blue-light);
    color: #fff;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
    transition: all 0.3s ease;
}
.cpt-link-banner a:hover {
    background: var(--cpt-blue-bright);
    transform: translateX(4px);
}

/* ══════════════════════════════════════════
   SCROLL-REVEAL
══════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    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; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1100px) {
    .qh-grid { grid-template-columns: 1fr; }
    .budget-inner { grid-template-columns: 1fr; }
    .budget-items { grid-template-columns: 1fr 1fr 1fr; }
    .cpt-360-inner { grid-template-columns: 1fr; }
    .ct-track { gap: 2px; }
    .ct-chevron { width: 28px; }
}

@media (max-width: 900px) {
    .paraquien-grid { grid-template-columns: 1fr; }
    .pc-step, .pc-step.reverse {
        flex-direction: column;
    }
    .pc-step-media { flex: 0 0 auto; width: 100%; }
}

@media (max-width: 768px) {
    .cpt-hero {
        padding: 130px 24px 70px;
        align-items: center;
        text-align: center;
    }
    .cpt-hero-content { max-width: 100%; }
    .cpt-hero h1 { font-size: clamp(2rem, 9vw, 3rem); }
    .cpt-hero p.lead { margin-left: auto; margin-right: auto; }
    .hero-cta-group { justify-content: center; }

    .cpt-intro { padding: 40px 24px; }

    .proceso-creativo-section,
    .quehacemos-section,
    .como-trabajamos-section,
    .cpt-budget,
    .cpt-360-section,
    .paraquien-section {
        padding: 70px 24px;
    }

    .pc-steps { gap: 50px; }
    .pc-step-text { text-align: center; }
    .pc-step-text p { margin-left: auto; margin-right: auto; }

    .budget-items { grid-template-columns: 1fr; gap: 30px; }

    .ct-track {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }
    .ct-chevron {
        padding-top: 0;
        padding-bottom: 4px;
        width: auto;
        height: 40px;
    }
    .ct-chevron span { transform: rotate(90deg); }
    .ct-card {
        max-width: 400px;
        width: 100%;
        display: flex;
        align-items: center;
        text-align: left;
        gap: 16px;
        padding: 14px 18px;
    }
    .ct-num { margin: 0; flex-shrink: 0; }

    .qh-card { flex-direction: column; text-align: center; align-items: center; }

    .cpt-link-banner { text-align: center; justify-content: center; }
}

@media (max-width: 480px) {
    .cpt-hero h1 { font-size: clamp(1.8rem, 8vw, 2.5rem); }
    .budget-items { grid-template-columns: 1fr; }
    .cpt-360-frame { padding: 14px; }
    .cpt-360-play { width: 56px; height: 56px; font-size: 1.2rem; }
    .cpt-360-caption { font-size: 0.68rem; }
}