/* =====================================================
   VARIABLES
===================================================== */

:root {

    --background: #070b0b;
    --surface: #0d1313;
    --surface-soft: #111919;

    --text: #f4f7f7;
    --muted: #8e9a9a;
    --muted-light: #b5c0c0;

    --primary: #22e5d6;
    --primary-soft: rgba(34, 229, 214, .12);

    --border: rgba(255, 255, 255, .09);

    --max-width: 1180px;

    --radius: 24px;

    --transition:
        .35s cubic-bezier(.22, 1, .36, 1);
}


[data-theme="light"] {

    --background: #f5f8f8;
    --surface: #ffffff;
    --surface-soft: #edf2f2;

    --text: #101616;
    --muted: #667272;
    --muted-light: #465252;

    --border: rgba(0, 0, 0, .09);

    --primary: #00a99d;
    --primary-soft: rgba(0, 169, 157, .10);
}



/* =====================================================
   RESET
===================================================== */

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


html {
    scroll-behavior: smooth;
}


body {

    font-family: "Inter", sans-serif;

    background: var(--background);
    color: var(--text);

    line-height: 1.6;

    overflow-x: hidden;

    transition:
        background .4s ease,
        color .4s ease;
}


img {
    display: block;
    width: 100%;
}


a {
    color: inherit;
}


button,
a {
    -webkit-tap-highlight-color: transparent;
}



/* =====================================================
   CONTAINER
===================================================== */

.container {

    width: min(calc(100% - 48px),
            var(--max-width));

    margin-inline: auto;
}



/* =====================================================
   BACKGROUND
===================================================== */

.background {

    position: fixed;

    inset: 0;

    pointer-events: none;

    z-index: -2;

    overflow: hidden;
}


.gradient {

    position: absolute;

    width: 700px;
    height: 700px;

    border-radius: 50%;

    filter: blur(130px);

    opacity: .08;
}


.gradient-1 {

    top: -300px;
    left: -250px;

    background: var(--primary);
}


.gradient-2 {

    right: -350px;
    bottom: -300px;

    background: #4968ff;
}


.noise {

    position: absolute;

    inset: 0;

    opacity: .035;

    background-image:
        url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}



/* =====================================================
   NAVIGATION
===================================================== */

.site-header {

    position: fixed;

    top: 0;
    left: 0;
    right: 0;

    z-index: 100;

    backdrop-filter: blur(20px);

    background: color-mix(in srgb,
            var(--background) 78%,
            transparent);

    border-bottom: 1px solid var(--border);
}


.nav {

    height: 76px;

    display: flex;

    align-items: center;

    justify-content: space-between;
}


.nav-logo {

    text-decoration: none;

    font-size: 20px;

    font-weight: 700;

    letter-spacing: -.05em;
}


.nav-logo span {
    color: var(--primary);
}


.nav-links {
    display: flex;
    gap: 32px;
    margin-left: auto;
}


.nav-links a {
    text-decoration: none;
    font-size: 13px;
    color: var(--muted);
    transition: color var(--transition);
}


.nav-links a:hover {
    color: var(--text);
}


.nav-actions {
    display: flex;
    gap: 8px;
}


.nav-button {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}


.nav-button:hover {

    border-color: var(--primary);

    color: var(--primary);

    transform: translateY(-2px);
}



/* =====================================================
   HERO
===================================================== */

.hero {

    min-height: 100vh;

    display: flex;

    align-items: center;

    position: relative;

    padding-top: 130px;
    padding-bottom: 100px;
}


.hero-content {

    width: 100%;

    position: relative;

    z-index: 2;
}


.hero-status {

    display: inline-flex;

    align-items: center;

    gap: 10px;

    margin-bottom: 42px;

    font-size: 11px;

    font-weight: 600;

    letter-spacing: .1em;

    text-transform: uppercase;

    color: var(--muted);
}


.status-dot {

    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: var(--primary);

    box-shadow:
        0 0 0 5px var(--primary-soft),
        0 0 18px var(--primary);
}


.hero-eyebrow {

    margin-bottom: 18px;

    font-size: 11px;

    font-weight: 600;

    letter-spacing: .16em;

    color: var(--primary);
}


.hero-title {

    max-width: 1100px;

    font-size: clamp(3.7rem,
            8.5vw,
            8.2rem);

    line-height: .91;

    letter-spacing: -.075em;

    font-weight: 700;
}


.hero-title>span {
    display: block;
}


.hero-title-accent {

    color: var(--primary);
}


.hero-description {

    max-width: 570px;

    margin-top: 42px;

    font-size: 17px;

    line-height: 1.75;

    color: var(--muted);
}


.hero-actions {

    display: flex;

    align-items: center;

    gap: 12px;

    margin-top: 34px;
}


.btn {

    display: inline-flex;

    align-items: center;

    gap: 11px;

    padding: 13px 19px;

    border-radius: 999px;

    font-size: 13px;

    font-weight: 600;

    text-decoration: none;

    transition: var(--transition);
}


.btn:hover {

    transform: translateY(-3px);
}


.btn-primary {

    background: var(--primary);

    color: #061111;

    box-shadow:
        0 10px 35px var(--primary-soft);
}


.btn-secondary {

    border: 1px solid var(--border);

    background: var(--surface);

    color: var(--text);
}


.btn-secondary:hover {

    border-color: var(--primary);

    color: var(--primary);
}


.hero-orb {

    position: absolute;

    right: -180px;
    top: 50%;

    transform: translateY(-50%);

    width: 500px;
    height: 500px;

    border-radius: 50%;

    border: 1px solid var(--border);

    opacity: .45;

    pointer-events: none;
}


.orb-inner {

    position: absolute;

    inset: 80px;

    border-radius: 50%;

    background:
        radial-gradient(circle,
            var(--primary-soft),
            transparent 68%);

    box-shadow:
        inset 0 0 80px var(--primary-soft),
        0 0 100px var(--primary-soft);
}



/* =====================================================
   SECTIONS
===================================================== */

.section {

    padding-top: 150px;

    padding-bottom: 150px;
}


.section-heading {

    max-width: 720px;

    margin-bottom: 75px;
}


.section-label {

    margin-bottom: 16px;

    font-size: 10px;

    font-weight: 700;

    letter-spacing: .16em;

    color: var(--primary);
}


.section-heading h2 {

    font-size: clamp(2.4rem,
            5vw,
            4.5rem);

    line-height: .98;

    letter-spacing: -.06em;

    margin-bottom: 22px;
}


.section-heading>p:last-child {

    max-width: 540px;

    color: var(--muted);

    font-size: 16px;
}



/* =====================================================
   PROJECTS
===================================================== */

.project {

    display: grid;

    grid-template-columns:
        minmax(280px, .8fr) minmax(400px, 1.2fr);

    gap: 70px;

    align-items: center;

    padding: 80px 0;

    border-top: 1px solid var(--border);
}


.project-reverse {

    grid-template-columns:
        minmax(400px, 1.2fr) minmax(280px, .8fr);
}


.project-reverse .project-content {
    order: 2;
}


.project-reverse .project-visual {
    order: 1;
}


.project-number {

    font-size: 11px;

    color: var(--muted);

    letter-spacing: .08em;

    margin-bottom: 8px;
}


.project-category {

    font-size: 10px;

    letter-spacing: .13em;

    color: var(--primary);

    margin-bottom: 20px;
}


.project h3 {

    font-size: clamp(2.6rem,
            5vw,
            5rem);

    letter-spacing: -.06em;

    line-height: .95;

    margin-bottom: 25px;
}


.project-description {

    max-width: 500px;

    color: var(--muted);

    line-height: 1.75;

    font-size: 15px;
}


.project-tech {

    display: flex;

    flex-wrap: wrap;

    gap: 7px;

    margin-top: 28px;
}


.project-tech span {

    padding: 6px 10px;

    border: 1px solid var(--border);

    border-radius: 999px;

    font-size: 10px;

    color: var(--muted-light);
}


.project-link {

    display: inline-flex;

    align-items: center;

    gap: 9px;

    margin-top: 30px;

    font-size: 13px;

    font-weight: 600;

    text-decoration: none;

    color: var(--text);

    transition: var(--transition);
}


.project-link:hover {

    color: var(--primary);

    gap: 14px;
}


.project-visual {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 16px;
    background: transparent;
}

.project-visual iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    transform: translate(-50%, -50%) scale(1.03);
    pointer-events: none;
}

.video-blocker {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: transparent;
    cursor: default;
}


.project-visual:hover {

    border-color:
        rgba(34, 229, 214, .35);

    transform: translateY(-6px);

    box-shadow:
        0 35px 90px rgba(0, 0, 0, .22);
}


.project-visual img {

    width: 100%;
    height: 100%;

    object-fit: cover;

    transition:
        transform 1s cubic-bezier(.22, 1, .36, 1);
}


.project-visual:hover img {

    transform: scale(1.025);
}


.project-smart {

    background:
        linear-gradient(135deg,
            rgba(34, 229, 214, .14),
            var(--surface));
}


.project-virtual {

    display: grid;

    place-items: center;

    background:
        linear-gradient(135deg,
            rgba(34, 229, 214, .08),
            var(--surface));
}


.project-thesis {

    display: grid;

    place-items: center;

    background:
        linear-gradient(135deg,
            var(--surface-soft),
            var(--surface));
}


.private-project {

    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 14px;

    color: var(--muted);

    font-size: 13px;
}


.private-project i {

    font-size: 25px;

    color: var(--primary);
}


.project-private {

    display: inline-flex;

    align-items: center;

    gap: 7px;

    margin-top: 24px;

    color: var(--muted);

    font-size: 11px;
}


.thesis-mark {

    font-size: clamp(3rem,
            8vw,
            7rem);

    font-weight: 700;

    letter-spacing: -.08em;

    color: rgba(255,
            255,
            255,
            .04);

    user-select: none;
}



/* =====================================================
   CAPABILITIES
===================================================== */

.capabilities-grid {

    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    border-top: 1px solid var(--border);

    border-bottom: 1px solid var(--border);
}


.capability {

    min-height: 310px;

    padding: 34px 28px;

    border-right: 1px solid var(--border);

    transition: var(--transition);
}


.capability:last-child {
    border-right: 0;
}


.capability:hover {

    background: var(--surface);
}


.capability-index {

    display: block;

    margin-bottom: 70px;

    font-size: 10px;

    color: var(--muted);
}


.capability h3 {

    font-size: 22px;

    letter-spacing: -.04em;

    color: var(--primary);

    margin-bottom: 15px;
}


.capability p {

    font-size: 13px;

    line-height: 1.7;

    color: var(--muted);
}


.tech-line {

    display: flex;

    flex-wrap: wrap;

    gap: 12px 25px;

    padding-top: 30px;

    color: var(--muted);

    font-size: 12px;
}


.tech-line span::before {

    content: "·";

    margin-right: 10px;

    color: var(--primary);
}

.color-change:hover {
    color: var(--primary);
}



/* =====================================================
   APPROACH
===================================================== */

.approach-list {
    border-top: 1px solid var(--border);
    transition: all 0.3s ease-in-out;
}

.approach-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 35px;
    padding: 35px 0 35px 0;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.approach-item:hover {
    padding-left: 15px;
    border-color: rgba(34, 229, 214, .25);
}

.approach-item>span {
    font-size: 11px;
    color: var(--primary);
}

.approach-item h3 {
    font-size: 25px;
    letter-spacing: -.04em;
    margin-bottom: 8px;
}

.approach-item p {
    max-width: 650px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
}


/* =====================================================
   ABOUT
===================================================== */

.about-grid {

    display: grid;

    grid-template-columns:
        .8fr 1.2fr;

    gap: 100px;

    align-items: center;
}


.about-image {

    aspect-ratio: 4 / 5;

    overflow: hidden;

    border-radius: 28px;

    border: 1px solid var(--border);

    background: var(--surface);
}


.about-image img {

    width: 100%;
    height: 100%;

    object-fit: cover;

    filter: saturate(.8);

    transition: transform 1s ease;
}


.about-image:hover img {

    transform: scale(1.025);
}


.about-content h2 {

    font-size: clamp(2.5rem,
            5vw,
            4.5rem);

    line-height: .98;

    letter-spacing: -.06em;

    margin-bottom: 35px;
}


.about-content p {

    max-width: 650px;

    color: var(--muted);

    line-height: 1.8;

    font-size: 15px;

    margin-bottom: 20px;
}


.about-interests {

    display: flex;

    flex-wrap: wrap;

    gap: 8px;

    margin-top: 30px;
}


.about-interests span {

    padding: 7px 12px;

    border: 1px solid var(--border);

    border-radius: 999px;

    font-size: 10px;

    color: var(--muted-light);
}



/* =====================================================
   EVIDENCE
===================================================== */

.evidence-grid {

    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    border-top: 1px solid var(--border);

    border-bottom: 1px solid var(--border);
}


.evidence-card {

    padding: 40px 28px;

    border-right: 1px solid var(--border);
}


.evidence-card:last-child {
    border-right: 0;
}


.evidence-card strong {

    display: block;

    font-size: clamp(2.7rem,
            5vw,
            4.5rem);

    line-height: 1;

    letter-spacing: -.07em;

    color: var(--text);

    margin-bottom: 12px;
}


.evidence-card>span {

    display: block;

    color: var(--primary);

    font-size: 11px;

    font-weight: 600;

    margin-bottom: 20px;
}


.evidence-card p {

    color: var(--muted);

    font-size: 12px;

    line-height: 1.65;
}



/* =====================================================
   CONTACT
===================================================== */

.contact-box {

    padding:
        100px 8%;

    border:
        1px solid var(--border);

    border-radius: 35px;

    background:
        radial-gradient(circle at 80% 20%,
            var(--primary-soft),
            transparent 40%),
        var(--surface);
}


.contact-box h2 {

    max-width: 800px;

    font-size: clamp(3rem,
            7vw,
            7rem);

    line-height: .9;

    letter-spacing: -.07em;

    margin-bottom: 28px;
}


.contact-box>p {

    max-width: 560px;

    color: var(--muted);

    line-height: 1.7;

    margin-bottom: 35px;
}


.contact-email {

    display: inline-flex;

    align-items: center;

    gap: 12px;

    color: var(--primary);

    font-size: clamp(1rem,
            2vw,
            1.4rem);

    font-weight: 600;

    text-decoration: none;

    transition: var(--transition);
}


.contact-email:hover {

    gap: 17px;
}


.contact-links {

    display: flex;

    gap: 25px;

    margin-top: 50px;

    padding-top: 25px;

    border-top: 1px solid var(--border);
}


.contact-links a {

    font-size: 12px;

    text-decoration: none;

    color: var(--muted);

    transition: color var(--transition);
}


.contact-links a:hover {
    color: var(--primary);
}



/* =====================================================
   FOOTER
===================================================== */

.footer {

    display: flex;

    justify-content: space-between;

    gap: 20px;

    padding-top: 30px;

    padding-bottom: 35px;

    border-top: 1px solid var(--border);

    color: var(--muted);

    font-size: 10px;

    letter-spacing: .04em;
}



/* =====================================================
   REVEAL
===================================================== */

.reveal {

    opacity: 0;

    transform: translateY(25px);

    transition:
        opacity .8s ease,
        transform .8s cubic-bezier(.22, 1, .36, 1);
}


.reveal.in-view {

    opacity: 1;

    transform: translateY(0);
}



/* =====================================================
   RESPONSIVE
===================================================== */

@media (max-width: 900px) {

    .nav-links {
        display: none;
    }


    .hero-orb {

        right: -300px;

        width: 450px;
        height: 450px;

        opacity: .25;
    }


    .project,
    .project-reverse {

        grid-template-columns: 1fr;

        gap: 40px;
    }


    .project-reverse .project-content {
        order: initial;
    }


    .project-reverse .project-visual {
        order: initial;
    }


    .capabilities-grid {

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


    .capability:nth-child(2) {
        border-right: 0;
    }


    .capability:nth-child(-n + 2) {
        border-bottom: 1px solid var(--border);
    }


    .evidence-grid {

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


    .evidence-card:nth-child(2) {
        border-right: 0;
    }


    .evidence-card:nth-child(-n + 2) {
        border-bottom: 1px solid var(--border);
    }


    .about-grid {

        grid-template-columns: 1fr;

        gap: 50px;
    }


    .about-image {

        max-width: 500px;
    }
}



@media (max-width: 600px) {

    .container {

        width: min(calc(100% - 32px),
                var(--max-width));
    }


    .hero {

        min-height: 100svh;

        padding-top: 110px;
    }


    .hero-title {

        font-size: clamp(3.2rem,
                16vw,
                5rem);
    }


    .hero-description {

        font-size: 15px;
    }


    .hero-actions {

        flex-wrap: wrap;
    }


    .btn {

        padding: 12px 16px;
    }


    .section {

        padding-top: 100px;

        padding-bottom: 100px;
    }


    .section-heading {

        margin-bottom: 50px;
    }


    .project {

        padding: 55px 0;
    }

    .capabilities-grid {

        grid-template-columns: 1fr;
    }


    .capability {

        min-height: auto;

        border-right: 0;

        border-bottom: 1px solid var(--border);
    }


    .capability:last-child {
        border-bottom: 0;
    }


    .capability-index {
        margin-bottom: 45px;
    }


    .evidence-grid {

        grid-template-columns: 1fr;
    }


    .evidence-card {

        border-right: 0;

        border-bottom: 1px solid var(--border);
    }


    .evidence-card:last-child {
        border-bottom: 0;
    }


    .approach-item {

        grid-template-columns:
            45px 1fr;

        gap: 15px;
    }


    .contact-box {

        padding:
            60px 25px;

        border-radius: 25px;
    }


    .contact-links {

        flex-wrap: wrap;
    }


    .footer {

        flex-direction: column;
    }

}

/* =========================================================
   RESPONSIVE FIXES
   ========================================================= */

/* ---------------------------------------------------------
   PROJECT / IMAGE CARDS
   --------------------------------------------------------- */

.project-card {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
    box-sizing: border-box;
}

.project-card img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

.project-card>* {
    max-width: 100%;
    box-sizing: border-box;
}

.project-image {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    border-radius: inherit;
}

.project-image img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: cover;
}

/* Evita que contenido largo genere overflow */
.project-card h3,
.project-card p,
.project-card span {
    overflow-wrap: anywhere;
    word-break: break-word;
}


/* ---------------------------------------------------------
   NAVBAR
   --------------------------------------------------------- */

.navbar {
    width: 100%;
    box-sizing: border-box;
}

.nav-container {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 1%;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;

    background: currentColor;

    transition:
        transform 0.3s ease,
        opacity 0.3s ease;
}


/* ---------------------------------------------------------
   TABLET
   --------------------------------------------------------- */

@media (max-width: 900px) {

    .nav-container {
        width: min(100% - 32px, 760px);
    }

    .nav-menu {
        gap: 1.25rem;
    }

    .project-card {
        min-width: 0;
    }

}


/* ---------------------------------------------------------
   MOBILE NAVIGATION
   --------------------------------------------------------- */

@media (max-width: 768px) {

    .nav-container {
        width: calc(100% - 32px);
    }

    /* Hamburger visible */
    .nav-toggle {
        display: flex;
    }

    /* Mobile menu */
    .nav-menu {
        position: fixed;

        top: 0;
        right: 0;

        width: min(320px, 85vw);
        height: 100dvh;

        padding:
            100px 32px 40px;

        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 1.5rem;

        background: var(--surface);

        border-left: 1px solid var(--border);

        box-shadow:
            -20px 0 60px rgba(0, 0, 0, 0.15);

        transform: translateX(100%);
        visibility: hidden;

        transition:
            transform 0.35s cubic-bezier(.22, 1, .36, 1),
            visibility 0.35s ease;

        z-index: 1000;
    }

    /* Menu abierto */
    .nav-menu.active {
        transform: translateX(0);
        visibility: visible;
    }

    .nav-link {
        font-size: 1.05rem;
        width: 100%;
    }

    /* Hamburger → X */
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(6.5px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-6.5px) rotate(-45deg);
    }


    /* -----------------------------------------------------
       PROJECTS
       ----------------------------------------------------- */

    .projects-grid {
        grid-template-columns: 1fr;
        width: 100%;
    }

    .project-card {
        width: 100%;
        min-width: 0;
    }

    .project-image {
        aspect-ratio: 16 / 10;
    }


    /* -----------------------------------------------------
       GENERAL CONTENT
       ----------------------------------------------------- */

    .container,
    main {
        max-width: 100%;
        overflow-x: hidden;
    }

    section {
        max-width: 100%;
    }

}


/* ---------------------------------------------------------
   SMALL MOBILE
   --------------------------------------------------------- */

@media (max-width: 480px) {

    .nav-container {
        width: calc(100% - 24px);
    }

    .nav-menu {
        width: min(300px, 88vw);
        padding-left: 24px;
        padding-right: 24px;
    }

    .project-card {
        border-radius: 16px;
    }

    .project-image {
        aspect-ratio: 4 / 3;
    }

}