/* ==========================================================================
   1. VARIABLES GLOBALES — Paleta "Negro y Dorado"
   ========================================================================== */
:root {
    --color-bg: #0D0D0D;
    --color-bg-alt: #1B1B1B;
    --color-primary: #F0EAD8;
    --color-accent: #D4AF37;
    --color-accent-dark: #B8952C;
    --color-text: #B8B3A6;
    --color-text-muted: #8C8775;
    --color-border: #2E2E2E;
    --color-success: #4ADE80;
    --color-error: #F87171;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
    --shadow-hover: 0 16px 36px rgba(212, 175, 55, 0.18);
    --max-width: 1140px;
    --transition: 0.25s ease;
}

/* ==========================================================================
   2. RESET Y ESTILOS BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-primary);
}

h1 { font-size: clamp(2.25rem, 7vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 4.5vw, 2.5rem); margin-bottom: var(--space-lg); }
h3 { font-size: 1.2rem; margin-bottom: var(--space-xs); }

p { color: var(--color-text-muted); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }

section { padding: var(--space-xl) 0; }
@media (min-width: 768px) { section { padding: var(--space-2xl) 0; } }

/* ==========================================================================
   3. BOTONES
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

/* Texto oscuro (no blanco) sobre dorado: blanco da 2.1:1, el fondo oscuro da 9.24:1.
   Mismo principio que en la Fase 2, aplicado a la paleta nueva. */
.btn-cta { background: var(--color-accent); color: var(--color-bg); }
.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(212, 175, 55, 0.35); }

.btn-cv { background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-primary); }
.btn-cv:hover { background: var(--color-primary); color: var(--color-bg); }

/* ==========================================================================
   4. HEADER / NAVEGACIÓN
   ========================================================================== */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding-top: var(--space-sm);
    padding-bottom: var(--space-sm);
}

.logo { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--color-primary); }

.nav-links { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.nav-links a { font-weight: 500; font-size: 0.85rem; color: var(--color-text); transition: color var(--transition); }
.nav-links a:hover { color: var(--color-accent); }

@media (min-width: 640px) {
    .nav-links { gap: var(--space-lg); }
    .nav-links a { font-size: 0.95rem; }
}

/* ==========================================================================
   5. PORTADA (HERO)
   ========================================================================== */
#portada {
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
    text-align: center;
}

.hero-shape {
    position: absolute;
    top: -10%;
    right: -8%;
    width: 420px;
    height: 420px;
    max-width: 70vw;
    max-height: 70vw;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.16) 0%, rgba(212, 175, 55, 0) 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
    will-change: transform;
}

.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.hero-subtitle { font-size: 1.1rem; margin: var(--space-md) 0 var(--space-lg); color: var(--color-text-muted); }

/* ==========================================================================
   6. SOBRE MÍ
   ========================================================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: center;
    text-align: center;
}

.profile-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow);
    border: 4px solid var(--color-bg);
    outline: 1px solid var(--color-accent);
    margin: 0 auto;
    will-change: transform;
}

.about-text p { margin-bottom: var(--space-md); font-size: 1.05rem; }

@media (min-width: 640px) {
    .about-content { grid-template-columns: 220px 1fr; text-align: left; }
    .profile-photo { width: 220px; height: 220px; margin: 0; }
}

/* ==========================================================================
   7. SERVICIOS
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: var(--space-md);
    perspective: 1000px;
}

.service-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-md);
    border-top: 3px solid var(--color-accent);
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition);
    will-change: transform;
}

.service-card:hover { box-shadow: var(--shadow-hover); }

.service-icon { width: 32px; height: 32px; color: var(--color-accent); margin-bottom: var(--space-sm); }
.service-card p { font-size: 0.95rem; }

/* ==========================================================================
   8. CLIENTES / TESTIMONIOS
   ========================================================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.testimonial-card { background: var(--color-bg-alt); border-radius: var(--radius-lg); padding: var(--space-lg) var(--space-md); }

.testimonial-card blockquote::before {
    content: "\201C";
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: var(--color-accent);
    opacity: 0.4;
    line-height: 1;
    display: block;
    margin-bottom: -0.5rem;
}

.testimonial-card p { color: var(--color-text); font-size: 1rem; }
.testimonial-author { margin-top: var(--space-sm); font-weight: 600; font-size: 0.9rem; color: var(--color-accent); }

/* ==========================================================================
   9. CONTACTO / REDES SOCIALES
   ========================================================================== */
.contacto-inner { text-align: center; max-width: 560px; }

.contact-form {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-weight: 600; font-size: 0.9rem; color: var(--color-primary); }

.form-group input,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    background: var(--color-bg-alt);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

.contact-form .btn { align-self: center; border: none; cursor: pointer; }

.form-status { font-size: 0.9rem; font-weight: 600; min-height: 1.2em; text-align: center; }
.form-status--sending { color: var(--color-text-muted); }
.form-status--success { color: var(--color-success); }
.form-status--error { color: var(--color-error); }

.contact-email {
    margin-top: var(--space-lg);
    font-size: 0.9rem;
}

.contact-email a {
    color: var(--color-accent);
    font-weight: 600;
}

.social-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.social-links a {
    font-weight: 600;
    color: var(--color-primary);
    padding: 0.6rem 1.4rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition), color var(--transition);
}

.social-links a:hover { border-color: var(--color-accent); color: var(--color-accent); }

@media (min-width: 480px) {
    .social-links { flex-direction: row; justify-content: center; gap: var(--space-md); }
}

/* ==========================================================================
   10. FOOTER
   ========================================================================== */
footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--space-md) 0;
    text-align: center;
}

footer p { color: var(--color-text-muted); font-size: 0.85rem; }

/* ==========================================================================
   11. ACCESIBILIDAD
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}