/* ============================================================
   RESET & BASE
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Tipografía Apple — SF Pro vía system-ui */
:root {
    --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
            'Helvetica Neue', Arial, sans-serif;

    /* Paleta central: Charcoal → Dark Copper */
    --bg-deep:       #1c1c1e;
    --bg-mid:        #252523;
    --bg-warm:       #2e2318;
    --charcoal:      #1c1c1e;
    --charcoal-mid:  #2c2c2e;
    --charcoal-soft: #3a3a3c;

    /* Plata / acero (del logo) */
    --steel-dark:    #555355;
    --steel-mid:     #7a7573;
    --steel-light:   #aeaaaa;

    /* Cobre / rose-gold (del logo) */
    --copper:        #c8916a;
    --copper-bright: #e0a87c;
    --copper-deep:   #a06840;
    --copper-glow:   rgba(200, 145, 106, 0.55);

    /* Texto */
    --text-primary:  rgba(255, 255, 255, 0.92);
    --text-secondary:rgba(255, 255, 255, 0.55);
    --text-muted:    rgba(255, 255, 255, 0.35);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    line-height: 1.65;
    color: var(--text-primary);
    /*
     * Fondo más vivo: medianoche azul-índigo en las sombras frías,
     * cobre oscuro cálido en las sombras cálidas → tensión visual que
     * se siente oscuro pero activo, no neutro
     */
    background:
        radial-gradient(ellipse at 15% 85%, rgba(96, 52, 18, 0.38) 0%, transparent 52%),
        radial-gradient(ellipse at 85% 12%, rgba(28, 24, 52, 0.42) 0%, transparent 52%),
        radial-gradient(ellipse at 50% 50%, rgba(36, 28, 22, 0.30) 0%, transparent 70%),
        linear-gradient(162deg, #101018 0%, #181420 38%, #1e1610 68%, #221408 100%);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   HEADER — Liquid Glass con tono del logo (gris acero + cobre)
   ============================================================ */
header {
    position: fixed;
    top: 0;
    width: 100%;

    /* Gradiente extraído del fondo del logo1.jpeg: gris acero frío → cobre cálido */
    background: linear-gradient(
        135deg,
        rgba(82, 80, 82, 0.68)  0%,
        rgba(112, 107, 104, 0.52) 45%,
        rgba(148, 112, 78, 0.42) 100%
    );
    backdrop-filter: blur(30px) saturate(180%) brightness(1.08);
    -webkit-backdrop-filter: blur(30px) saturate(180%) brightness(1.08);

    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow:
        0 4px 40px rgba(0, 0, 0, 0.30),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);

    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2.5rem;
    height: 120px;
    gap: 1.5rem;
    transition:
        height   0.4s cubic-bezier(0.4, 0, 0.2, 1),
        background 0.4s ease,
        box-shadow 0.4s ease;
}

header.scrolled {
    height: 60px;
    background: linear-gradient(
        135deg,
        rgba(72, 70, 72, 0.82)  0%,
        rgba(100, 96, 92, 0.68) 45%,
        rgba(138, 102, 68, 0.58) 100%
    );
    backdrop-filter: blur(40px) saturate(200%) brightness(1.10);
    -webkit-backdrop-filter: blur(40px) saturate(200%) brightness(1.10);
    box-shadow:
        0 8px 48px rgba(0, 0, 0, 0.40),
        inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

/* ---- Logo flotante con esquinas redondeadas y brillo elegante ---- */
.logo-container {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* Wrapper que da el efecto "flota sobre la cabecera" */
.logo-wrapper {
    border-radius: 18px;
    overflow: hidden;

    /* Borde con brillo sutil: capa de luz en el borde superior-izquierdo */
    border: 1px solid rgba(220, 200, 175, 0.30);
    box-shadow:
        0 10px 32px rgba(0, 0, 0, 0.40),       /* sombra que separa del header */
        0  2px  8px rgba(0, 0, 0, 0.25),        /* sombra cercana */
        inset 0 1px 0 rgba(255, 255, 255, 0.28);/* brillo interior en el borde superior */

    transition: box-shadow 0.4s ease;
}

header.scrolled .logo-wrapper {
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.35),
        0 2px 6px rgba(0, 0, 0, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.logo {
    height: 92px;
    width: auto;
    object-fit: cover;
    display: block;
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

header.scrolled .logo {
    height: 46px;
}

/* ---- Nav central en pill ---- */
.main-nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-pill {
    background: rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.20);
    border-radius: 50px;
    padding: 0.3rem 0.5rem;
    box-shadow:
        0 2px 14px rgba(0, 0, 0, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.main-nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.1rem;
}

.main-nav ul li a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.82);
    font-family: var(--font);
    font-weight: 500;
    font-size: 0.88rem;
    letter-spacing: 0.01em;
    display: block;
    padding: 0.52rem 1rem;
    border-radius: 40px;
    transition: background 0.22s ease, color 0.22s ease;
}

.main-nav ul li a:hover {
    background: rgba(255, 255, 255, 0.14);
    color: var(--copper-bright);
}

/* ---- Botón Pide Presupuesto ---- */
.budget-btn {
    flex-shrink: 0;
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    border: 1px solid rgba(224, 168, 124, 0.50);
    cursor: pointer;
    white-space: nowrap;
    background: linear-gradient(
        135deg,
        rgba(224, 168, 124, 0.88) 0%,
        rgba(192, 128, 72, 0.96) 100%
    );
    color: #fff;
    box-shadow:
        0 0 18px rgba(200, 145, 106, 0.42),
        0 4px 16px rgba(140, 88, 40, 0.38),
        inset 0 1px 0 rgba(255, 255, 255, 0.35);
    transition:
        background 0.25s ease,
        box-shadow 0.25s ease,
        transform  0.15s ease;
}

.budget-btn:hover {
    background: linear-gradient(
        135deg,
        rgba(238, 184, 140, 0.95) 0%,
        rgba(208, 146, 88, 1)     100%
    );
    box-shadow:
        0 0 28px rgba(200, 145, 106, 0.62),
        0 6px 22px rgba(140, 88, 40, 0.50),
        inset 0 1px 0 rgba(255, 255, 255, 0.45);
    transform: translateY(-1px);
}

.budget-btn:active { transform: translateY(0); }

/* ============================================================
   MODAL PRESUPUESTO
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.60);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-glass {
    background: linear-gradient(
        160deg,
        rgba(42, 40, 42, 0.92) 0%,
        rgba(52, 46, 36, 0.90) 100%
    );
    backdrop-filter: blur(40px) saturate(160%);
    -webkit-backdrop-filter: blur(40px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 24px;
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.18);
    width: 100%;
    max-width: 580px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-glass {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.2rem;
    right: 1.4rem;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.18);
    color: var(--text-primary);
}

.modal-glass h2 {
    font-family: var(--font);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    letter-spacing: -0.02em;
}

.modal-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.8rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.form-group label {
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.optional {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 0.72rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
}

.form-group select option {
    background: var(--charcoal-mid);
    color: var(--text-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--copper);
    box-shadow: 0 0 0 3px rgba(200, 145, 106, 0.18);
}

.form-group textarea {
    resize: vertical;
    min-height: 90px;
}

.submit-btn {
    width: 100%;
    margin-top: 0.6rem;
    padding: 0.88rem;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    background: linear-gradient(135deg, rgba(224, 168, 124, 0.95) 0%, rgba(180, 112, 52, 1) 100%);
    color: #fff;
    box-shadow:
        0 4px 20px rgba(160, 104, 64, 0.42),
        inset 0 1px 0 rgba(255, 255, 255, 0.28);
    transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
}

.submit-btn:hover {
    background: linear-gradient(135deg, rgba(238, 184, 140, 1) 0%, rgba(196, 130, 68, 1) 100%);
    box-shadow: 0 6px 28px rgba(160, 104, 64, 0.58);
    transform: translateY(-1px);
}

/* ============================================================
   SECCIONES — degradado central Charcoal → Dark Copper
   ============================================================ */
section {
    padding: 6rem 2rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    margin-top: 120px;
    /* Separador sutil entre secciones */
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Hero */
.hero {
    background: transparent;   /* hereda el fondo del body */
    color: var(--text-primary);
    text-align: center;
    margin-top: 0;
    padding-top: 0;
}

.hero-content {
    max-width: 760px;
    margin: 0 auto;
    padding-top: 7rem;
}

.hero-content h1 {
    font-family: var(--font);
    font-size: 3.4rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, #e8e8ea 0%, var(--copper-bright) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-family: var(--font);
    font-size: 1.15rem;
    font-weight: 400;
    margin-bottom: 1.4rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 0.88rem 2.2rem;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.10);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.20);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
    transition: background 0.25s ease, box-shadow 0.25s ease;
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.18);
    box-shadow:
        0 0 24px rgba(200, 145, 106, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

/* Títulos de sección */
.container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

h2 {
    font-family: var(--font);
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 1.4rem;
    color: var(--text-primary);
}

p {
    font-family: var(--font);
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ---- Tarjeta Bio (Sobre mí) ---- */
.bio-card {
    display: flex;
    align-items: center;
    gap: 3rem;
    text-align: left;

    /* Liquid Glass oscuro */
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.055) 0%,
        rgba(200, 145, 106, 0.045) 100%
    );
    backdrop-filter: blur(32px) saturate(150%) brightness(1.06);
    -webkit-backdrop-filter: blur(32px) saturate(150%) brightness(1.06);
    border-radius: 28px;

    /* Borde con brillo cobre-plata */
    border: 1px solid rgba(200, 145, 106, 0.22);
    outline: 1px solid rgba(255, 255, 255, 0.05);
    outline-offset: -1px;

    box-shadow:
        0 32px 72px rgba(0, 0, 0, 0.55),       /* profundidad */
        0  0   60px rgba(100, 60, 20, 0.12),    /* halo cobre ambiental */
        inset 0 1px 0 rgba(255, 255, 255, 0.14),/* línea de luz superior */
        inset 0 -1px 0 rgba(0, 0, 0, 0.20);     /* sombra interior inferior */

    padding: 2.8rem 3rem;
    max-width: 960px;
    margin: 0 auto;
}

.bio-photo-wrap {
    flex-shrink: 0;
    width: 260px;
    height: 310px;
    border-radius: 20px;
    overflow: hidden;

    /* Borde con brillo cálido */
    border: 1px solid rgba(200, 145, 106, 0.35);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.50),
        0  0   24px rgba(160, 100, 50, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.20);
}

.bio-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform 0.5s ease;
}

.bio-photo-wrap:hover .bio-photo {
    transform: scale(1.03);
}

.bio-text {
    flex: 1;
}

.bio-text h2 {
    text-align: left;
    margin-bottom: 1.2rem;
}

.bio-text p {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

/* ---- Servicios — sección full width ---- */
.section-services {
    min-height: auto;
    padding: 0;
    margin-top: 120px;   /* empuja bajo la cabecera fija */
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.services-full {
    width: 100%;
    padding: 2.8rem 2rem 3rem;
}

.services-title {
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--copper);
    margin-bottom: 2rem;
    opacity: 0.80;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    width: 100%;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(130%);
    -webkit-backdrop-filter: blur(20px) saturate(130%);
    padding: 2.2rem 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.30),
        inset 0 1px 0 rgba(255, 255, 255, 0.10);
    text-align: left;
    display: flex;
    flex-direction: column;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(200, 145, 106, 0.28);
    box-shadow:
        0 20px 52px rgba(0, 0, 0, 0.42),
        0  0   32px rgba(100, 60, 20, 0.14),
        inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.service-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.4rem;
}

.service-icon {
    font-size: 1.1rem;
    color: var(--copper);
    opacity: 0.85;
    flex-shrink: 0;
}

.service-card h3 {
    font-family: var(--font);
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    line-height: 1.3;
}

/* Lista de características */
.service-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.72rem;
}

.service-features li {
    font-family: var(--font);
    font-size: 0.93rem;
    color: var(--text-secondary);
    padding-left: 1.1rem;
    position: relative;
    line-height: 1.45;
}

.service-features li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--copper);
    opacity: 0.60;
    font-size: 0.8rem;
    top: 0.05em;
}

.feature-note {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
    padding-left: 0;
}

.price {
    font-family: var(--font);
    font-weight: 700;
    font-size: 1rem;
    color: var(--copper-bright);
    margin-top: 1.6rem;
    padding-top: 1.2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

/* Contacto */
form {
    max-width: 540px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

label {
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-top: 1.1rem;
}

input, textarea {
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 0.72rem 1rem;
    margin-top: 0.45rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
}

input:focus, textarea:focus {
    border-color: var(--copper);
    box-shadow: 0 0 0 3px rgba(200, 145, 106, 0.18);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

#contacto button[type="submit"] {
    margin-top: 1.4rem;
    padding: 0.88rem;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(224, 168, 124, 0.95) 0%, rgba(180, 112, 52, 1) 100%);
    color: #fff;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    box-shadow:
        0 4px 20px rgba(160, 104, 64, 0.38),
        inset 0 1px 0 rgba(255, 255, 255, 0.26);
    transition: background 0.25s ease, transform 0.15s ease;
}

#contacto button[type="submit"]:hover {
    background: linear-gradient(135deg, rgba(238, 184, 140, 1) 0%, rgba(196, 130, 68, 1) 100%);
    transform: translateY(-1px);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    font-family: var(--font);
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.20);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    header {
        padding: 0 1.2rem;
        gap: 0.8rem;
    }

    .logo { height: 68px; }
    header.scrolled .logo { height: 38px; }
    .logo-wrapper { border-radius: 14px; }

    .main-nav { display: none; }

    .budget-btn {
        font-size: 0.78rem;
        padding: 0.5rem 0.9rem;
    }

    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p  { font-size: 1rem; }

    section { padding: 3rem 1rem; }

    .bio-card {
        flex-direction: column;
        padding: 2rem 1.4rem;
        gap: 1.8rem;
        text-align: center;
    }

    .bio-photo-wrap {
        width: 100%;
        height: 260px;
    }

    .bio-text h2 { text-align: center; }

    .form-row { grid-template-columns: 1fr; }
    .modal-glass { padding: 1.8rem 1.4rem; }
}