/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* VARIABLES */
:root {
    --bg: #F3F4F1;
    --text: #16201B;
    --card: #FFFFFF;
    --border: #DCDFD9;
    --primary: #0E6E55;
    --accent: #B8703A;
    --muted: #5C6259;
}

/* DARK MODE */
.dark-mode {
    --bg: #0D1210;
    --text: #E7E5DD;
    --card: #141A17;
    --border: #232B27;
    --primary: #2BD9A6;
    --accent: #E0954F;
    --muted: #9AA39A;
}

/* BASE */
body {
    font-family: 'Source Serif 4', serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    transition: background 0.3s, color 0.3s;
}

h1, h2, h3, .mono, .name, .eyebrow, .nav-links a, .btn,
.t-date, .item-date, .footer-mono {
    font-family: 'Space Grotesk', sans-serif;
}

/* CONTAINER */
.container {
    width: 90%;
    max-width: 1150px;
    margin: auto;
}

/* HEADER */
.header {
    background: rgba(243, 244, 241, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.dark-mode .header {
    background: rgba(13, 18, 16, 0.88);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.brand {
    display: flex;
    flex-direction: column;
}

.name {
    font-size: 18px;
    font-weight: 500;
}

.role {
    font-size: 12px;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-links {
    display: flex;
    gap: 26px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-cta {
    padding: 7px 14px;
    background: var(--primary);
    color: var(--bg) !important;
    border-radius: 4px;
}

/* BOTON DARK */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text);
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* AVISO DE MODO OSCURO */
.theme-hint {
    position: absolute;
    top: 56px;
    right: 20px;
    background: var(--text);
    color: var(--bg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    padding: 8px 14px;
    border-radius: 6px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
    white-space: nowrap;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 0.35s ease, transform 0.35s ease;
    z-index: 1100;
    cursor: pointer;
}

.theme-hint::before {
    content: "";
    position: absolute;
    top: -5px;
    right: 22px;
    width: 10px;
    height: 10px;
    background: var(--text);
    transform: rotate(45deg);
}

.theme-hint.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* HERO */
.hero {
    padding: 110px 0 100px;
    background: var(--bg);
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.hero-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    align-items: center;
}

.eyebrow {
    font-size: 13px;
    color: var(--primary);
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
}

.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(14, 110, 85, 0.15);
}

.dark-mode .eyebrow::before {
    box-shadow: 0 0 0 4px rgba(43, 217, 166, 0.15);
}

.hero-text h2 {
    font-size: 42px;
    font-weight: 500;
    line-height: 1.2;
    max-width: 620px;
}

.hero-description {
    margin-top: 20px;
    font-size: 17px;
    line-height: 1.75;
    max-width: 560px;
    color: var(--muted);
}

.signal {
    margin: 34px 0 8px;
    width: 100%;
    max-width: 480px;
    display: block;
}

.signal path {
    stroke: var(--primary);
    stroke-width: 1.5;
    fill: none;
}

.signal-dot {
    fill: var(--accent);
}

.hero-points {
    margin-top: 20px;
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-points li {
    position: relative;
    padding-left: 26px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--muted);
}

.hero-points li::before {
    content: "→";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
    font-weight: bold;
}

/* BOTONES */
.hero-buttons {
    display: flex;
    gap: 14px;
    margin-top: 28px;
}

.btn {
    padding: 12px 22px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.btn:first-child {
    background: var(--primary);
    color: var(--bg);
}

.btn:last-child {
    border: 1px solid var(--border);
    color: var(--text);
}

.btn:last-child:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* IMG */
.hero-img img {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
}

/* SECTIONS */
.section {
    padding: 100px 0;
}

.section h2 {
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 6px;
}

.section-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 48px;
    display: block;
}

.section-light { background: var(--card); }

/* TIMELINE (experiencia + educación) */
.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: var(--border);
}

.t-item {
    position: relative;
    padding-bottom: 40px;
}

.t-item:last-child {
    padding-bottom: 0;
}

.t-item::before {
    content: "";
    position: absolute;
    left: -32px;
    top: 4px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--border);
}

.t-item.highlight::before {
    border-color: var(--primary);
}

.t-date {
    font-size: 12px;
    color: var(--primary);
    margin-bottom: 6px;
    display: block;
}

.t-role {
    font-size: 17px;
    font-weight: 500;
}

.t-org {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 8px;
    font-family: 'JetBrains Mono', monospace;
}

.t-desc {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
    max-width: 620px;
}

/* HERRAMIENTAS / CURSOS: grid de cards planas */
.tools-list,
.courses-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.tool-item,
.course-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 22px;
    transition: border-color 0.2s;
}

.tool-item:hover,
.course-item:hover {
    border-color: var(--primary);
}

.tool-item.highlight,
.course-item.highlight {
    border-color: var(--primary);
}

.tool-icon,
.course-icon {
    width: 38px;
    height: 38px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(14, 110, 85, 0.08);
    color: var(--primary);
    margin-bottom: 14px;
    font-size: 15px;
}

.dark-mode .tool-icon,
.dark-mode .course-icon {
    background: rgba(43, 217, 166, 0.1);
}

.tool-info h3,
.course-info h3 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 8px;
}

.tool-info p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
}

.course-info p {
    color: var(--muted);
    font-size: 13px;
    font-family: 'JetBrains Mono', monospace;
}

.course-info span {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
}

/* PROYECTOS */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.video-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 24px;
    transition: border-color 0.2s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.video-card .card-text {
    flex: 0 0 auto;
}

.video-card .card-media {
    margin-top: auto;
    padding-top: 20px;
}

.video-card:hover {
    border-color: var(--primary);
}

.video-card h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
}

.video-card p {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 14px;
    text-align: justify;
    hyphens: auto;
}

.video-card a {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 4px;
    text-decoration: none;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
    background: var(--primary);
    color: var(--bg);
}

.video-card a:hover {
    opacity: 0.88;
}

.video-card iframe {
    width: 100%;
    height: 200px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

/* TERMINAL ANIMADA (AG Scanner) */
.terminal-mock {
    background: #0D1210;
    border: 1px solid #232B27;
    border-radius: 6px;
    overflow: hidden;
    margin-top: 4px;
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 12px;
    background: #141A17;
    border-bottom: 1px solid #232B27;
}

.terminal-bar .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-bar .dot.red { background: #E5534B; }
.terminal-bar .dot.yellow { background: #E0954F; }
.terminal-bar .dot.green { background: #2BD9A6; }

.terminal-title {
    margin-left: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: #9AA39A;
}

.terminal-body {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.75;
    padding: 14px 16px;
    height: 190px;
    overflow: hidden;
}

.terminal-body .t-line.cmd {
    color: #E7E5DD;
}

.terminal-body .t-line.cmd::before {
    content: "> ";
    color: #E0954F;
}

.terminal-body .t-line.resp {
    color: #2BD9A6;
    padding-left: 14px;
}

/* MARCO DE CELULAR (galería de capturas estilo Mobbin) */
.screen-frame {
    position: relative;
    width: 200px;
    height: 433px;
    margin: 16px auto 0;
    border-radius: 28px;
    background: #0D1210;
    padding: 8px;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.14);
}

.screen-frame::before {
    content: "";
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 16px;
    background: #0D1210;
    border-radius: 0 0 10px 10px;
    z-index: 3;
}

.screen-frame .screen {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    background: #000;
}

.screen-frame .screen img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.screen-frame .screen img.active {
    opacity: 1;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 14px;
}

.carousel-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--border);
    transition: background 0.3s;
}

.carousel-dots span.active {
    background: var(--primary);
}

/* MARCO DE NAVEGADOR (para capturas de sitios web) */
.browser-frame {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 14px;
}

.browser-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 12px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.browser-bar .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.browser-bar .dot.red { background: #E5534B; }
.browser-bar .dot.yellow { background: #E0954F; }
.browser-bar .dot.green { background: var(--primary); }

.browser-frame img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    object-position: top;
    display: block;
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border);
}

/* SOCIAL / CONTACTO */
.socials {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.socials a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    transition: border-color 0.2s, color 0.2s;
}

.socials a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* FOOTER */
.footer {
    text-align: center;
    padding: 28px;
    background: var(--text);
    color: var(--bg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
}

/* ANIMACIONES */
.hidden {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.show {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: left;
    }

    .hero-text h2 {
        font-size: 30px;
    }

    .signal {
        max-width: 100%;
    }
}

.menu-toggle {
    display: none;
    font-size: 18px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 62px;
        right: 20px;
        background: var(--card);
        border: 1px solid var(--border);
        flex-direction: column;
        width: 200px;
        padding: 15px;
        border-radius: 6px;
        display: none;
        gap: 16px;
    }

    .nav-links.active {
        display: flex;
    }
}

html, body {
    overflow-x: hidden;
}