:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --accent-red: #DB0101;
    --grey-block: #F5F5F5;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family:
        "Montserrat",
        "DM Sans",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--text-color);
    transition:
        color 0.2s ease,
        border-color 0.2s ease,
        background-color 0.2s ease;
}

a:hover {
    color: var(--accent-red);
}

/* NAVBAR */

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 56px;
    letter-spacing: 0.02em;
}

.logo {
    font-weight: 500;
    font-family: "Ballet";
    font-size: 24px;
}

.logo span {
    font-weight: 700;
    font-style: italic;
    font-family: Helvetica;
    font-size: 18px;
}

.logo:hover {
    color: var(--accent-red);
}

.nav-links {
    display: flex;
    gap: 48px;
    font-size: 12px;
}

.nav-links a {
    position: relative;
    padding-bottom: 2px;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-red);
    transition: width 0.2s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    font-size: 12px;
    text-decoration: underline;
}

.nav-cta:hover {
    color: var(--accent-red);
}

.hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 100px 56px 48px 96px;
}

.hero-text {
    max-width: 70%;
}

.hero-title {
    margin: 0;
    font-size: 90px;
    line-height: 0.2;
    margin: 0px 0 0 8px;
    font-weight: 600;
}

.hero-subtitle {
    font-family: "Ballet", cursive;
    font-optical-sizing: auto;
    margin: 0px 0 0 8px;
    font-size: 150px;
    font-weight: 400;
    line-height: 1;
}

.scroll-indicator {
    margin-right: 56px;
    margin-top: 40px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 1px solid #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: default;
    transition:
        border-color 0.2s ease,
        color 0.2s ease;
    flex-shrink: 0;
    animation: float 3s ease-in-out infinite;
}

.scroll-indicator:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}


/* PROYECTOS */

.projects-section {
    padding: 50px 20px 0px 0px;
    overflow-x: auto;    
    overflow-y: hidden;  
    white-space: nowrap; 
    scroll-behavior: smooth;
}

.projects-scroll {
  display: flex;
  flex-wrap: nowrap; 
  align-items: flex-end;
  gap: 20px;
  overflow-x: scroll;
  scroll-behavior: auto;
  scrollbar-width: none; 
}

.projects-scroll::-webkit-scrollbar {
  display: none; 
}

.project-card {
  flex: 0 0 calc(25% - 15px); /* 4 visibles */
  display: flex;
  flex-direction: column;
}

.project-title {
  font-size: 12px;
  margin-bottom: 8px;
  color: black;
  font-family: "Montserrat";
  font-weight: 300;
}

/* Tamaños variables*/
.project-image--1 { height: 318px; }
.project-image--2 { height: 280px; }
.project-image--3 { height: 240px; }
.project-image--4 { height: 280px; }
.project-image--5 { height: 240px; }
.project-image--6 { height: 260px; }

.project-image {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.project-image img {
  width: 110%;
  height: 110%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

/* Links en las tarjetas de proyecto */

.project-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
}

.project-card:hover .project-title {
  color: var(--accent-red);
}

/* PROYECTOS DETALLE */


.proyecto-detalle {
    max-width: 1400px;
    margin: 0 auto;
    animation: fadeIn 0.4s ease;
}

.proyecto-hero {
    padding: 100px 56px 0px;
    text-align: center;
}

.proyecto-hero h1 {
    font-size: 72px;
    font-weight: 400;
    margin: 0 0 16px 0;
    line-height: 1.1;
}

.proyecto-categoria {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 300;
}

.proyecto-imagen-principal {
    padding: 60px 56px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.proyecto-imagen-principal img {
    width: 100%;
    max-width: 1400px; 
    height: 700px;     
    object-fit: contain;
    display: block;
}

.proyecto-info {
    width: 100vw;
    margin-left: calc(50% - 50vw); /* truco para romper el centrado */
    margin-right: calc(50% - 50vw);
    padding: 60px 0;
    margin-top: 40px;
    background-color: var(--grey-block);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.info-block h3 {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #999;
    margin: 0 0 12px 0;
    font-weight: 500;
}

.info-block p {
    font-size: 14px;
    margin: 0;
    font-weight: 400;
}

.proyecto-contenido {
    padding: 80px 56px;
}

.contenido-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.contenido-wrapper h2 {
    font-size:32px;
    margin: 0 0 32px 0;
    font-weight: 500;
}

.contenido-wrapper h3 {
    font-size: 28px;
    margin: 48px 0 20px 0;
    font-weight: 500;
}

.contenido-wrapper p {
    font-size: 16px;
    line-height: 1.8;
    margin: 0 0 20px 0;
    color: #333;
}

.contenido-wrapper ul {
    font-size: 17px;
    line-height: 1.8;
    margin: 0 0 20px 0;
    padding-left: 24px;
}

.contenido-wrapper li {
    margin-bottom: 12px;
}

.contenido-wrapper strong {
    font-weight: 600;
    color: var(--text-color);
}

.proyecto-galeria {
    padding: 60px 56px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

.proyecto-galeria img {
    width: 100%;
    height: auto;
    display: block;
}

.proyecto-navegacion {
    padding: 100px 56px 80px;
    border-top: 1px solid #F5F5F5;
    margin-top: 80px;
}

.nav-proyectos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.nav-proyectos-grid .nav-proyecto:nth-child(2) {
    text-align: right;
    padding-left: 0;
    padding-right: 32px;
}

.nav-proyecto {
    display: block;
    padding: 48px 32px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-color);
}

.nav-proyecto:hover {
    background-color: var(--accent-red);
    color: white;
    transform: translateY(-4px);
}

.nav-proyecto span {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 12px;
    opacity: 0.7;
}

.nav-proyecto h3 {
    font-size: 28px;
    margin: 0;
    font-weight: 500;
}

/* ABOUT */

.about-section {
    padding: 80px 96px;
}

.about-layout {
     display: grid;
    grid-template-columns: 0.9fr 1.1fr; /* texto un poco más ancho */
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}


/* Bloque / imagen) */
.about-image-placeholder {
    width: 100%;
    max-width: 400px;
    height: 540px;
    background-color: #dedede;
    overflow: hidden; 
}

.about-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;   /* llena el bloque respetando proporciones */
    display: block;      /* evita espacios raros debajo */
}

.about-content {
    max-width: 600px;
}

.about-title {
    font-size: 64px;
    margin: 0 0 40px 0;
    font-weight: 500;
}

.about-block + .about-block {
    margin-top: 40px;
}

.about-label {
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #777;
    margin: 0 0 16px 0;
}

.about-paragraph {
    font-size: 14px;
    line-height: 1.8;
    color: #333;
    margin: 0 0 16px 0;
}

/* Habilidades */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 8px;
}

.skill-pill {
    min-width: 120px;
    padding: 10px 16px;
    border-radius: 0px;
    background-color: var(--grey-block);
    font-size: 12px;
    text-align: center;
}

.skill-pill:hover {
    color:white;
    background-color: var(--accent-red);
}

/* Responsive */
@media (max-width: 990px) {
    .about-section {
        padding: 48px 24px 64px 24px;
    }

    .about-layout {
        grid-template-columns: 1fr; /* una sola columna en mobile */
        gap: 40px;
    }

    .about-image-placeholder {
        width: 100%;
        max-width: none;
        height: 360px;
    }

    .about-title {
        font-size: 42px;
    }
}



@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* RESPONSIVE */

@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        gap: 32px;
    }

    .hero-text {
        max-width: 100%;
    }

    .scroll-indicator {
        align-self: flex-end;
    }

    .hero-title {
        font-size: 64px;
    }

    .hero-subtitle {
        font-size: 48px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* RESPONSIVE PROYECTOS DETALLE */
@media (max-width: 1024px) {
    .proyecto-hero h1 {
        font-size: 48px;
    }

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .contenido-wrapper h2 {
        font-size: 32px;
    }

    .contenido-wrapper h3 {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .proyecto-hero {
        padding: 60px 24px 40px;
    }

    .proyecto-hero h1 {
        font-size: 36px;
    }

    .proyecto-imagen-principal {
        padding: 40px 24px;
    }
    
    .proyecto-imagen-principal img {
        height: auto;
    }

    .proyecto-info {
        padding: 40px 24px;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .proyecto-contenido {
        padding: 60px 24px;
    }

    .proyecto-galeria {
        padding: 40px 24px;
        gap: 32px;
    }

    .proyecto-navegacion {
        padding: 60px 24px;
    }

    .nav-proyectos-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-proyectos-grid .nav-proyecto:nth-child(2) {
        text-align: left;
        padding-left: 32px;
        padding-right: 32px;
    }

    .nav-proyecto h3 {
        font-size: 22px;
    }
}
/* ANIMACIÓN SCROLL*/

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(32px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estado inicial: oculto y un poco más abajo */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    will-change: opacity, transform;
}

/* Cuando entra al viewport */
.reveal.is-visible {
    animation: fadeUp 0.7s ease-out forwards;
}

.reveal.delay-1 { animation-delay: 0.1s; }
.reveal.delay-2 { animation-delay: 0.2s; }
.reveal.delay-3 { animation-delay: 0.3s; }
.reveal.delay-4 { animation-delay: 0.4s; }