/* ============================================
   PORTAFOLIO ARQUITECTÓNICO - DIVER QUICENO
   Tipografía bold + efectos premium
   ============================================ */

:root {
    --color-bg: #fafafa;
    --color-bg-alt: #f0efed;
    --color-bg-card: #ffffff;
    --color-text: #0a0a0a;
    --color-text-muted: #525252;
    --color-black: #0a0a0a;
    --color-gold: #b8860b;
    --color-gold-light: #d4a017;
    --color-gold-dark: #8b6914;
    --color-border: #e5e5e4;
    --font-display: 'Montserrat', -apple-system, sans-serif;
    --font-body: 'Poppins', -apple-system, sans-serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --container-max: 1280px;
    --section-padding: clamp(6rem, 14vw, 12rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(1.5rem, 4vw, 3rem); }
.section { padding: var(--section-padding) 0; }

/* ============ TEXTOS ENORMES - Estilo awwwards ============ */
.big-text {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--color-black);
}
.big-text--outline {
    color: var(--color-border);
}
.big-text--gold {
    color: var(--color-gold);
}
.big-text--light {
    font-weight: 300;
    font-style: italic;
}

/* Marquee entre secciones */
.marquee {
    overflow: hidden;
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.marquee__inner {
    display: flex;
    gap: 3rem;
    white-space: nowrap;
    animation: marquee-scroll 20s linear infinite;
}
.marquee__text {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-black);
    flex-shrink: 0;
}
.marquee__text--outline {
    color: var(--color-gold);
}
.marquee__separator {
    color: var(--color-gold);
    font-size: clamp(2rem, 5vw, 4rem);
    flex-shrink: 0;
}
@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.section__title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-black);
    margin-bottom: 2rem;
}
.section__title--center { text-align: center; margin-bottom: 4rem; }
.section__title--gold { color: var(--color-gold); }

/* ============ LOADER ============ */
.loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__content { text-align: center; }
.loader__logo {
    max-width: 320px;
    width: 80vw;
    height: auto;
    margin-bottom: 2.5rem;
    filter: brightness(10);
}
.loader__bar {
    width: 180px;
    height: 2px;
    background: rgba(255,255,255,0.15);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto;
}
.loader__progress {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold-light));
    border-radius: 2px;
    animation: loader-fill 1.5s var(--ease-out) forwards;
}
@keyframes loader-fill { to { width: 100%; } }

/* ============ NAV: Sticky con blur al scroll ============ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2.5rem;
    background: transparent;
    transition: background 0.5s ease, backdrop-filter 0.5s ease, box-shadow 0.5s ease, padding 0.5s ease;
}
.nav.scrolled {
    padding: 0.6rem 2.5rem;
    background: rgba(15, 15, 15, 0.45);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}
.nav.scrolled .nav__logo img { height: 55px; }
.nav__logo {
    display: flex;
    align-items: center;
}
.nav__logo img { height: 70px; width: auto; display: block; }
.nav__burger {
    display: flex;
    flex-direction: column;
    gap: 7px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 102;
}
.nav__burger span {
    width: 28px;
    height: 2px;
    background: #fff;
    transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }
.nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    opacity: 0;
    visibility: hidden;
    transition: 0.4s;
    z-index: 98;
}
.nav__overlay.open { opacity: 1; visibility: visible; }
.nav__menu {
    position: fixed;
    top: 0; right: 0;
    width: 100%;
    max-width: 380px;
    height: 100vh;
    background: #0a0a0a;
    list-style: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 4rem;
    gap: 2.5rem;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease-out);
    z-index: 101;
    border-left: 1px solid rgba(255,255,255,0.06);
}
.nav__menu.open { transform: translateX(0); }
.nav__menu a {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.3s, transform 0.3s;
    display: block;
}
.nav__menu a:hover { color: var(--color-gold); transform: translateX(12px); }
.nav__menu-num {
    font-size: 0.7rem;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 400;
}

/* ============ HERO: Scroll-driven frames ============ */
.hero {
    height: 400vh;
    position: relative;
}
.hero__sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
}
.hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0,0,0,0.25) 0%,
        rgba(0,0,0,0.05) 40%,
        rgba(0,0,0,0.4) 75%,
        rgba(0,0,0,0.85) 100%
    );
}
.hero__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4rem clamp(2rem, 5vw, 4rem);
    z-index: 2;
}
.hero__title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 9vw, 8rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 0.95;
    opacity: 0;
    transform: translateY(60px);
}
.hero__subtitle {
    font-family: var(--font-display);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.4em;
    color: var(--color-gold-light);
    margin-top: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
}
.hero__tagline {
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.6);
    margin-top: 0.75rem;
    opacity: 0;
    transform: translateY(20px);
}
.hero__scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    z-index: 2;
}
.hero__scroll-indicator span {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
}
.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============ PERFIL ============ */
.perfil { background: var(--color-bg); }
.perfil__intro {
    margin-bottom: 5rem;
}
.perfil__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}
.perfil__col--left { display: flex; flex-direction: column; gap: 2rem; }
.perfil__photo-wrap {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}
.perfil__photo {
    width: 100%;
    max-width: 380px;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
    border-radius: 20px;
    transition: transform 0.6s var(--ease-out);
}
.perfil__photo-wrap:hover .perfil__photo { transform: scale(1.03); }
.perfil__text, .perfil__quote {
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--color-text-muted);
}
.perfil__quote {
    margin-top: 1rem;
    color: var(--color-gold);
    font-style: italic;
    font-size: 1.2rem;
}

/* Skills */
.skills-list { list-style: none; }
.skill-item {
    margin-bottom: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-bg-card);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}
.skill-item:hover {
    transform: translateX(10px);
    border-color: var(--color-gold-dark);
    box-shadow: 0 8px 30px rgba(184, 134, 11, 0.15);
}
.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
}
.skill-id {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.skill-icon {
    width: 24px;
    height: 24px;
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: color 0.3s ease;
}
.skill-item:hover .skill-icon {
    color: var(--color-gold);
}
.skill-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.05em;
    color: var(--color-black);
}
.skill-bar {
    height: 5px;
    background: var(--color-border);
    border-radius: 3px;
    overflow: hidden;
}
.skill-progress {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-light));
    border-radius: 3px;
    transition: width 1.2s var(--ease-out);
}
.skill-progress.animated { width: var(--progress, 0%); }

/* ============ SERVICIOS ============ */
.servicios { background: var(--color-bg-alt); }
.servicios__accordion {
    max-width: 900px;
    margin: 0 auto;
}
.servicio-row {
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: border-color 0.4s ease;
}
.servicio-row:first-child {
    border-top: 1px solid var(--color-border);
}
.servicio-row:hover {
    border-color: var(--color-gold);
}
.servicio-row__header {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2.5rem 0;
    transition: padding 0.4s var(--ease-out);
}
.servicio-row:hover .servicio-row__header {
    padding-left: 1rem;
}
.servicio-row__num {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
    flex-shrink: 0;
    min-width: 70px;
}
.servicio-row__title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 600;
    color: var(--color-black);
    flex: 1;
    transition: color 0.3s ease;
}
.servicio-row:hover .servicio-row__title {
    color: var(--color-gold);
}
.servicio-row__arrow {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    transition: transform 0.4s var(--ease-out), color 0.3s;
    flex-shrink: 0;
}
.servicio-row:hover .servicio-row__arrow {
    transform: rotate(90deg);
    color: var(--color-gold);
}
.servicio-row__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--ease-out), padding 0.5s var(--ease-out);
    padding: 0 0 0 calc(70px + 2rem);
}
.servicio-row:hover .servicio-row__body {
    max-height: 120px;
    padding-bottom: 2rem;
}
.servicio-row__body p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ============ PROYECTOS ============ */
.contenido { background: var(--color-bg); }
.section__overtitle {
    text-align: center;
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}
.proyectos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}
.proyecto-card {
    border-radius: 20px;
    overflow: hidden;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: transform 0.5s var(--ease-out), box-shadow 0.5s;
    cursor: pointer;
}
.proyecto-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.1);
}
.proyecto-card__link {
    text-decoration: none;
    color: inherit;
    display: block;
}
.proyecto-card__media { overflow: hidden; }
.proyecto-card__media img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: transform 0.7s var(--ease-out);
}
.proyecto-card--large .proyecto-card__media img { height: 380px; }
.proyecto-card:hover .proyecto-card__media img { transform: scale(1.08); }
.proyecto-card__content { padding: 1.75rem 2rem; }
.proyecto-card__num {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gold);
    letter-spacing: 0.15em;
    margin-bottom: 0.35rem;
    display: block;
}
.proyecto-card__title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.5rem;
}
.proyecto-card__desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============ PROYECTO MODAL ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s;
    padding: 2rem;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.modal {
    background: #fff;
    border-radius: 24px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(40px) scale(0.95);
    transition: transform 0.5s var(--ease-out);
    position: relative;
}
.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}
.modal__close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0,0,0,0.08);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-black);
    transition: background 0.2s, transform 0.2s;
    z-index: 2;
}
.modal__close:hover { background: rgba(0,0,0,0.15); transform: scale(1.1); }
.modal__img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 24px 24px 0 0;
}
.modal__body {
    padding: 2.5rem;
}
.modal__num {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 0.5rem;
}
.modal__title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 1rem;
}
.modal__desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

/* ============ CONTACTO ============ */
.contacto {
    background: var(--color-bg-alt);
    position: relative;
}
.contacto__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}
.contacto__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: var(--color-black);
    line-height: 1.2;
}
.contacto__accent { color: var(--color-gold); font-style: italic; }
.contacto__desc {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}
.contacto__social {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.contacto__social .contacto__link {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-black);
    text-decoration: none;
    transition: color 0.3s, transform 0.3s;
    display: inline-block;
}
.contacto__social .contacto__link:hover { color: var(--color-gold); transform: translateX(6px); }
.contacto__form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.contacto__form input, .contacto__form textarea {
    padding: 1.1rem 1.4rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-black);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.contacto__form input::placeholder, .contacto__form textarea::placeholder { color: var(--color-text-muted); }
.contacto__form input:focus, .contacto__form textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.1);
}
.contacto__btn {
    padding: 1.15rem 2.5rem;
    background: var(--color-black);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
}
.contacto__btn:hover {
    background: var(--color-gold);
    color: var(--color-black);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(184, 134, 11, 0.3);
}

/* Botones flotantes */
.floating-btns {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 50;
}
.floating-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #fff;
    transition: transform 0.3s var(--ease-elastic), box-shadow 0.3s;
}
.floating-btn svg { width: 24px; height: 24px; flex-shrink: 0; }
.floating-btn:hover { transform: scale(1.15); box-shadow: 0 6px 24px rgba(201, 162, 39, 0.4); }
.floating-btn--wa { background: #25D366; }
.floating-btn--mail { background: var(--color-gold); color: var(--color-bg); }
.floating-btn--ig { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743); }

/* ============ FOOTER ============ */
.footer {
    padding: 4rem 2rem;
    text-align: center;
    background: #0a0a0a;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer__logo {
    max-width: 200px;
    width: 50vw;
    height: auto;
    margin-bottom: 1.5rem;
    filter: brightness(10);
}
.footer__text { font-size: 0.9rem; color: rgba(255,255,255,0.4); }

/* ============ REVEAL ============ */
.reveal-item { opacity: 0; transform: translateY(50px); }
.reveal-text { clip-path: inset(0 0 100% 0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
    .perfil__grid { grid-template-columns: 1fr; }
    .servicio-row__body { padding-left: 0; }
    .servicio-row:hover .servicio-row__body { padding-left: 0; }
    .proyectos-grid { grid-template-columns: 1fr; }
    .contacto__layout { grid-template-columns: 1fr; }
    .hero__title { font-size: clamp(2.5rem, 12vw, 4rem); }
    .big-text { font-size: clamp(2rem, 10vw, 4rem); }
    .modal__img { height: 250px; }
}
@media (max-width: 600px) {
    .floating-btns { right: 1rem; bottom: 1rem; }
    .floating-btn { width: 46px; height: 46px; }
    .nav { padding: 1rem 1.25rem; }
    .nav__logo img { height: 55px; }
    .marquee__text { font-size: 1.5rem; }
    .marquee__inner { animation-duration: 8s; }
    .hero__title { font-size: clamp(1.8rem, 9vw, 3rem); }
    .hero__content { padding: 2.5rem clamp(1rem, 4vw, 2rem); }
    .hero__subtitle { font-size: 0.85rem; letter-spacing: 0.2em; }
    .hero__tagline { font-size: 0.75rem; }
}