:root {
    --negro: #2D2D2D;
    --nude: #EAE0D5;
    --petroleo: #1B4965;
    --cobre: #C4956A;
    --blanco: #FAF8F5;
    --texto: #2D2D2D;
    --texto-claro: rgba(45,45,45,0.5);
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 600ms cubic-bezier(0.16, 1, 0.3, 1);
    --max-w: 1100px;
}

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-sans);
    background: var(--blanco);
    color: var(--texto);
    line-height: 1.7;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

.section { padding: 5rem 0; }

.reveal {
    opacity: 0; transform: translateY(2rem);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (min-width: 768px) { .section { padding: 7rem 0; } }

/* Header */
.header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
    background: transparent;
    transition: background var(--transition), box-shadow var(--transition);
}
.header--scrolled { background: var(--blanco); box-shadow: 0 1px 4px rgba(45,45,45,0.06); }

.header__inner {
    max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem;
    height: 4.5rem; display: flex; align-items: center; justify-content: space-between;
}

.header__logo {
    font-family: var(--font-serif); font-size: 1.25rem; font-style: italic;
    color: var(--blanco); transition: color var(--transition);
}
.header--scrolled .header__logo { color: var(--negro); }

.header__nav { display: none; gap: 2.5rem; }
.header__nav a {
    font-size: 0.625rem; letter-spacing: 0.25em; text-transform: uppercase;
    color: var(--blanco); opacity: 0.8; transition: opacity var(--transition);
}
.header--scrolled .header__nav a { color: var(--negro); opacity: 0.6; }
.header__nav a:hover { opacity: 1; }

.header__hamburger {
    display: flex; flex-direction: column; gap: 4px;
    background: none; border: none; cursor: pointer; padding: 0.5rem;
}
.header__hamburger span {
    width: 1.25rem; height: 1.5px;
    background: var(--blanco); transition: background var(--transition);
}
.header--scrolled .header__hamburger span { background: var(--negro); }

@media (min-width: 768px) {
    .header__nav { display: flex; }
    .header__hamburger { display: none; }
}

.mobile-menu {
    display: none; position: fixed; top: 4.5rem; left: 0;
    width: 100%; background: var(--blanco); padding: 2rem;
    text-align: center; z-index: 99;
    border-bottom: 1px solid rgba(45,45,45,0.06);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
    display: block; font-size: 0.75rem; letter-spacing: 0.2em;
    text-transform: uppercase; color: var(--negro); padding: 0.75rem 0;
}

/* Hero */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    justify-content: center; text-align: center; position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, var(--negro) 0%, var(--petroleo) 50%, #0D2B3E 100%);
}

.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__shape {
    position: absolute; border-radius: 50%;
    opacity: 0.06;
}
.hero__shape--1 {
    width: 40rem; height: 40rem; background: var(--cobre);
    top: -10rem; right: -10rem;
}
.hero__shape--2 {
    width: 25rem; height: 25rem; background: var(--blanco);
    bottom: -8rem; left: -8rem;
}

.hero__content {
    position: relative; z-index: 1; max-width: 600px;
    padding: 6rem 1.5rem 4rem;
    opacity: 0; transform: translateY(1.5rem);
    animation: heroIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}
@keyframes heroIn { to { opacity: 1; transform: translateY(0); } }

.hero__pretitle {
    font-size: 0.625rem; letter-spacing: 0.4em; text-transform: uppercase;
    color: var(--cobre); margin-bottom: 1rem;
}
.hero__title {
    font-family: var(--font-serif); font-size: 3rem; font-style: italic;
    line-height: 1.15; color: var(--blanco); margin-bottom: 1.5rem;
}
.hero__desc {
    font-size: 0.9375rem; line-height: 1.8; color: var(--blanco);
    opacity: 0.65; max-width: 480px; margin: 0 auto 2.5rem;
}

.btn {
    display: inline-block; font-size: 0.625rem; letter-spacing: 0.25em;
    text-transform: uppercase; padding: 1rem 2.5rem;
    border: 1px solid var(--blanco); color: var(--blanco);
    background: transparent; cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn:hover {
    background: var(--blanco); color: var(--negro); border-color: var(--blanco);
}

@media (min-width: 768px) {
    .hero__title { font-size: 4.5rem; }
    .hero__shape--1 { width: 50rem; height: 50rem; top: -15rem; right: -15rem; }
}

/* Filosofía */
.filosofia { background: var(--blanco); }

.filosofia__grid {
    display: grid; grid-template-columns: 1fr; gap: 3rem;
}
.filosofia__pretitle {
    font-size: 0.625rem; letter-spacing: 0.3em; text-transform: uppercase;
    color: var(--cobre); margin-bottom: 0.75rem;
}
.filosofia__title {
    font-family: var(--font-serif); font-size: 2.25rem; font-style: italic;
    line-height: 1.2; margin-bottom: 2rem;
}
.filosofia__desc p {
    font-size: 0.9375rem; line-height: 1.9; opacity: 0.7; margin-bottom: 1.5rem;
}
.filosofia__blockquote {
    font-family: var(--font-serif); font-size: 1.25rem; font-style: italic;
    line-height: 1.6; color: var(--petroleo);
    padding: 1.5rem 0; margin: 1.5rem 0;
    border-top: 1px solid rgba(27,73,101,0.15);
    border-bottom: 1px solid rgba(27,73,101,0.15);
}
.filosofia__image-wrapper { display: flex; align-items: center; justify-content: center; }
.filosofia__image {
    width: 100%; max-width: 380px; height: 400px;
    object-fit: cover; border-radius: 0.75rem;
    box-shadow: 12px 12px 0 var(--nude);
}

@media (min-width: 768px) {
    .filosofia__grid {
        grid-template-columns: 1.3fr 1fr; gap: 4rem;
    }
    .filosofia__title { font-size: 3rem; }
    .filosofia__blockquote { font-size: 1.5rem; padding: 2rem 0; }
    .filosofia__image { height: 500px; max-width: 100%; }
}

/* Servicios */
.servicios-p { background: var(--nude); }

.servicios-p__header { text-align: center; margin-bottom: 3rem; }
.servicios-p__pretitle {
    font-size: 0.625rem; letter-spacing: 0.3em; text-transform: uppercase;
    color: var(--cobre); margin-bottom: 0.5rem;
}
.servicios-p__title {
    font-family: var(--font-serif); font-size: 2rem; font-style: italic;
    line-height: 1.3;
}

.servicios-p__grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.servicios-p__card {
    background: var(--blanco); padding: 2.5rem; border-radius: 0.75rem;
    border: 1px solid rgba(45,45,45,0.06);
    transition: transform var(--transition), box-shadow var(--transition);
}
.servicios-p__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(45,45,45,0.04);
}
.servicios-p__card-number {
    font-family: var(--font-serif); font-size: 2.5rem; font-style: italic;
    color: var(--cobre); opacity: 0.4; line-height: 1; margin-bottom: 0.5rem;
}
.servicios-p__card-title {
    font-family: var(--font-serif); font-size: 1.5rem; font-style: italic;
    margin-bottom: 0.75rem;
}
.servicios-p__card-desc {
    font-size: 0.875rem; line-height: 1.7; opacity: 0.65;
    margin-bottom: 1.5rem;
}
.servicios-p__card-cta {
    font-size: 0.625rem; letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--cobre); transition: opacity var(--transition);
}
.servicios-p__card-cta:hover { opacity: 0.7; }

@media (min-width: 768px) {
    .servicios-p__title { font-size: 2.5rem; }
    .servicios-p__grid { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
}

/* Testimonios */
.testimonios-p { background: var(--blanco); }

.testimonios-p__header { text-align: center; margin-bottom: 3rem; }
.testimonios-p__pretitle {
    font-size: 0.625rem; letter-spacing: 0.3em; text-transform: uppercase;
    color: var(--cobre); margin-bottom: 0.5rem;
}
.testimonios-p__title {
    font-family: var(--font-serif); font-size: 2rem; font-style: italic;
    line-height: 1.3;
}

.testimonios-p__grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.testimonios-p__card {
    text-align: center; padding: 2rem;
    border-radius: 0.75rem; background: var(--nude);
}
.testimonios-p__quote {
    font-family: var(--font-serif); font-size: 1.125rem; font-style: italic;
    line-height: 1.6; margin-bottom: 1rem; color: var(--negro);
}
.testimonios-p__author {
    font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase;
    opacity: 0.5;
}

@media (min-width: 768px) {
    .testimonios-p__title { font-size: 2.5rem; }
    .testimonios-p__grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
    .testimonios-p__card { padding: 2.5rem; }
}

/* Contacto */
.contacto-section {
    text-align: center;
    background: linear-gradient(160deg, var(--negro) 0%, var(--petroleo) 100%);
    color: var(--blanco);
}
.contacto-section__text {
    font-family: var(--font-serif); font-size: 1.75rem; font-style: italic;
    margin-bottom: 2.5rem;
}
.contacto-section .btn {
    border-color: var(--blanco); color: var(--blanco);
}
.contacto-section .btn:hover {
    background: var(--blanco); color: var(--negro);
}
.contacto-section__info {
    font-size: 0.875rem; opacity: 0.6; margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--negro); color: var(--blanco); padding: 3rem 1.5rem; text-align: center;
}
.footer__inner { max-width: var(--max-w); margin: 0 auto; }
.footer__name {
    font-family: var(--font-serif); font-size: 1rem; font-style: italic;
    margin-bottom: 0.5rem;
}
.footer__text { font-size: 0.8125rem; opacity: 0.5; margin-bottom: 0.25rem; }
.footer__copy { font-size: 0.6875rem; opacity: 0.35; letter-spacing: 0.1em; }