/* ============================================================
   Cleysson Padilla — Portafolio profesional
   Sistema visual dark mode: verde tecnológico + azul petróleo + gris carbón
   ============================================================ */

/* ------------------------- 1. Tokens ------------------------- */
:root {
    /* Colores */
    --color-bg: #0B0F14;
    --color-bg-2: #0E141B;
    --color-surface: #111820;
    --color-surface-2: #161F29;
    --color-border: #1E2A38;
    --color-border-soft: #18222E;

    --color-blue-deep: #102A43;
    --color-blue: #1E4E79;
    --color-blue-soft: rgba(30, 78, 121, 0.35);

    --color-primary: #22C55E;
    --color-primary-light: #4ADE80;
    --color-primary-soft: rgba(34, 197, 94, 0.12);

    --color-text: #E5E7EB;
    --color-muted: #94A3B8;
    --color-muted-2: #7B8CA0;

    /* Tipografía */
    --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;

    --fs-xs: 0.78rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.06rem;
    --fs-lg: clamp(1.15rem, 1rem + 0.6vw, 1.4rem);
    --fs-xl: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem);
    --fs-2xl: clamp(2.1rem, 1.5rem + 3vw, 3.4rem);

    /* Espaciado */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4.5rem;
    --section-y: clamp(3.5rem, 2.5rem + 4vw, 6rem);

    /* Formas y sombras */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-full: 999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 0 1px rgba(34, 197, 94, 0.25),
        0 8px 30px rgba(34, 197, 94, 0.12);

    /* Transiciones */
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Estructura */
    --container: 1140px;
    --header-h: 68px;
    --grid-size: 44px;
}

/* ------------------------- 2. Base ------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 12px);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Fondo: cuadrícula técnica muy sutil + halos radiales (solo CSS) */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-color: var(--color-bg);
    background-image:
        linear-gradient(to right, rgba(148, 163, 184, 0.055) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(148, 163, 184, 0.055) 1px, transparent 1px),
        linear-gradient(to right, rgba(30, 78, 121, 0.16) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(30, 78, 121, 0.16) 1px, transparent 1px);
    background-size:
        var(--grid-size) var(--grid-size),
        var(--grid-size) var(--grid-size),
        calc(var(--grid-size) * 5) calc(var(--grid-size) * 5),
        calc(var(--grid-size) * 5) calc(var(--grid-size) * 5);
    mask-image: radial-gradient(ellipse 100% 80% at 50% 0%, #000 35%, rgba(0, 0, 0, 0.55) 100%);
    -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 0%, #000 35%, rgba(0, 0, 0, 0.55) 100%);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(60vw 50vh at 8% 4%, rgba(30, 78, 121, 0.22), transparent 65%),
        radial-gradient(50vw 45vh at 95% 30%, rgba(34, 197, 94, 0.07), transparent 60%),
        radial-gradient(70vw 60vh at 50% 105%, rgba(16, 42, 67, 0.35), transparent 70%);
}

img,
svg {
    display: block;
    max-width: 100%;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    margin: 0 0 var(--space-4);
    font-weight: 650;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

p {
    margin: 0 0 var(--space-4);
}

ul, ol, dl {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition);
}

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

strong {
    color: #fff;
}

.container {
    width: min(100% - 2.5rem, var(--container));
    margin-inline: auto;
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.icon-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* Iconos: trazo único heredado por currentColor */
.icon {
    width: 1.15em;
    height: 1.15em;
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Foco visible para navegación por teclado */
:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.skip-link {
    position: fixed;
    top: -100px;
    left: var(--space-4);
    z-index: 200;
    padding: 0.7rem 1.1rem;
    background: var(--color-primary);
    color: #04140B;
    font-weight: 600;
    border-radius: var(--radius);
    transition: top var(--transition);
}

.skip-link:focus {
    top: var(--space-4);
    color: #04140B;
}

/* ------------------------- 3. Botones ------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.78rem 1.4rem;
    font: inherit;
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition), border-color var(--transition),
        color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn .icon {
    transition: transform var(--transition);
}

.btn:hover .icon {
    transform: translateX(3px);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--color-primary);
    color: #052E14;
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.18);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    color: #052E14;
    box-shadow: 0 8px 26px rgba(34, 197, 94, 0.3);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.02);
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-ghost:hover {
    background: var(--color-surface-2);
    border-color: var(--color-blue);
    color: #fff;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--fs-xs);
}

.btn-block {
    width: 100%;
}

/* ------------------------- 4. Header ------------------------- */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    height: var(--header-h);
    background: rgba(11, 15, 20, 0.55);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background-color var(--transition), border-color var(--transition),
        box-shadow var(--transition);
}

.site-header.is-scrolled {
    background: rgba(11, 15, 20, 0.92);
    border-bottom-color: var(--color-border-soft);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    height: 100%;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--color-text);
    min-width: 0;
}

.brand:hover {
    color: var(--color-text);
}

.brand-mark {
    position: relative;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    flex: none;
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-primary-light);
    background: linear-gradient(150deg, var(--color-blue-deep), var(--color-bg-2));
    border: 1px solid rgba(34, 197, 94, 0.35);
    border-radius: var(--radius-sm);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.brand-mark img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: inherit;
}

.brand:hover .brand-mark {
    border-color: var(--color-primary);
    box-shadow: 0 0 16px rgba(34, 197, 94, 0.3);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
    min-width: 0;
}

.brand-text strong {
    font-size: var(--fs-sm);
    font-weight: 650;
    white-space: nowrap;
}

.brand-text span {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    white-space: nowrap;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition);
}

.nav-toggle:hover {
    border-color: var(--color-blue);
    background: var(--color-surface-2);
}

.nav-toggle .icon {
    width: 22px;
    height: 22px;
}

.nav-toggle .icon-close {
    display: none;
}

.nav-toggle[aria-expanded="true"] .icon-menu {
    display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
    display: block;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-list a {
    position: relative;
    display: block;
    padding: 0.5rem 0.7rem;
    font-size: var(--fs-sm);
    color: var(--color-muted);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background-color var(--transition);
}

.nav-list a::after {
    content: "";
    position: absolute;
    left: 0.7rem;
    right: 0.7rem;
    bottom: 0.15rem;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.nav-list a:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.03);
}

.nav-list a:hover::after,
.nav-list a[aria-current="true"]::after {
    transform: scaleX(1);
}

.nav-list a[aria-current="true"] {
    color: var(--color-primary-light);
}

/* ------------------------- 5. Hero ------------------------- */
.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100svh;
    padding: calc(var(--header-h) + var(--space-8)) 0 var(--space-8);
    overflow: hidden;
}

/* Línea técnica animada discreta en la parte superior del hero */
.hero::before {
    content: "";
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        var(--color-blue-soft) 20%,
        rgba(34, 197, 94, 0.45) 50%,
        var(--color-blue-soft) 80%,
        transparent);
    background-size: 200% 100%;
    animation: scan-line 9s linear infinite;
    opacity: 0.7;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: clamp(2rem, 4vw, 4rem);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: var(--space-5);
    padding: 0.4rem 0.85rem;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.06em;
    color: var(--color-muted);
    background: rgba(17, 24, 32, 0.7);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
    animation: pulse 2.6s ease-out infinite;
}

.hero-title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #fff;
    margin-bottom: var(--space-4);
}

.hero-role {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: var(--space-5);
}

.hero-role .sep {
    color: var(--color-muted-2);
    margin: 0 0.35rem;
    font-weight: 400;
}

.hero-lead {
    max-width: 56ch;
    font-size: var(--fs-base);
    color: var(--color-muted);
    margin-bottom: var(--space-6);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-7);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    max-width: 620px;
    border-top: 1px solid var(--color-border-soft);
    padding-top: var(--space-5);
}

.stat dt {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted-2);
    margin-bottom: 0.2rem;
}

.stat dd {
    margin: 0;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-text);
}

/* Panel "ficha técnica" */
.hero-panel {
    position: relative;
}

.panel {
    position: relative;
    padding: var(--space-5);
    background: linear-gradient(160deg, rgba(16, 42, 67, 0.55), rgba(17, 24, 32, 0.92));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Cuadrícula interna del panel */
.panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(148, 163, 184, 0.07) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
    background-size: 22px 22px;
    pointer-events: none;
}

/* Esquinas tipo plano técnico */
.panel::after {
    content: "";
    position: absolute;
    top: 10px;
    right: 10px;
    width: 26px;
    height: 26px;
    border-top: 2px solid rgba(34, 197, 94, 0.65);
    border-right: 2px solid rgba(34, 197, 94, 0.65);
    pointer-events: none;
}

.panel-head,
.panel-rows,
.panel-foot {
    position: relative;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding-bottom: var(--space-3);
    margin-bottom: var(--space-4);
    border-bottom: 1px dashed var(--color-border);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.panel-tag {
    color: var(--color-primary-light);
}

.panel-id {
    color: var(--color-muted-2);
}

.panel-rows > div {
    display: grid;
    grid-template-columns: 34% 1fr;
    gap: var(--space-3);
    padding: 0.55rem 0;
    border-bottom: 1px solid rgba(30, 42, 56, 0.7);
}

.panel-rows dt {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-muted-2);
}

.panel-rows dd {
    margin: 0;
    font-size: var(--fs-sm);
    color: var(--color-text);
}

.panel-foot {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.05em;
    color: var(--color-primary-light);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: pulse 2.6s ease-out infinite;
}

.hero-scroll {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin: var(--space-7) auto 0;
    color: var(--color-muted);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    transition: color var(--transition), border-color var(--transition),
        background-color var(--transition);
    animation: float-y 3s ease-in-out infinite;
}

.hero-scroll:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
}

/* ------------------------- 6. Secciones ------------------------- */
.section {
    position: relative;
    padding: var(--section-y) 0;
}

.section-alt {
    background: linear-gradient(180deg, rgba(14, 20, 27, 0.85), rgba(17, 24, 32, 0.85));
    border-block: 1px solid var(--color-border-soft);
}

.section-head {
    margin-bottom: var(--space-7);
    max-width: 760px;
}

.section-index {
    margin-bottom: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.section-head h2 {
    font-size: var(--fs-xl);
    color: #fff;
    margin-bottom: var(--space-3);
}

.section-rule {
    display: block;
    width: 72px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), rgba(30, 78, 121, 0.9));
}

.lead {
    font-size: var(--fs-lg);
    line-height: 1.6;
    color: var(--color-text);
}

.section p {
    color: var(--color-muted);
}

.subheading {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: var(--fs-base);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.subheading .icon {
    color: var(--color-primary-light);
}

/* ------------------------- 7. Perfil ------------------------- */
.perfil-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
    align-items: start;
}

.perfil-text p:last-child {
    margin-bottom: 0;
}

.perfil-aside {
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius);
}

.perfil-aside h3 {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--space-4);
}

.check-list {
    display: grid;
    gap: var(--space-3);
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: var(--fs-sm);
    color: var(--color-text);
}

.check-list .icon {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

/* ------------------------- 8. Tarjetas ------------------------- */
.card-grid {
    display: grid;
    gap: var(--space-4);
}

.competencias-grid,
.areas-grid,
.formacion-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    position: relative;
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition),
        background-color var(--transition), box-shadow var(--transition);
}

/* Detalle técnico: esquina superior tipo circuito */
.card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    transition: width var(--transition-slow);
}

.card:hover,
.card:focus-within {
    transform: translateY(-4px);
    border-color: rgba(34, 197, 94, 0.4);
    background: var(--color-surface-2);
    box-shadow: var(--shadow-glow);
}

.card:hover::after,
.card:focus-within::after {
    width: 70%;
}

.card h3 {
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.card p {
    font-size: var(--fs-sm);
    margin: var(--space-3) 0 0;
}

.card-icon {
    width: 26px;
    height: 26px;
    margin-bottom: var(--space-4);
    color: var(--color-primary-light);
    transition: transform var(--transition);
}

.card:hover .card-icon {
    transform: translateY(-2px);
}

.card-kicker {
    margin: 0 0 0.35rem !important;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary) !important;
}

.card-meta {
    font-family: var(--font-mono);
    font-size: var(--fs-xs) !important;
    color: var(--color-muted-2) !important;
}

/* ------------------------- 9. Timeline ------------------------- */
.timeline {
    position: relative;
    display: grid;
    gap: var(--space-5);
    padding-left: 2.2rem;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 7px;
    width: 2px;
    background: linear-gradient(180deg,
        var(--color-primary),
        var(--color-blue) 35%,
        rgba(30, 78, 121, 0.25));
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    top: 26px;
    left: -2.2rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-bg);
    border: 2px solid var(--color-primary);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.12);
    transition: box-shadow var(--transition), background-color var(--transition);
}

.timeline-item:hover::before {
    background: var(--color-primary);
    box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.18);
}

.timeline-body {
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition), background-color var(--transition),
        transform var(--transition);
}

.timeline-item:hover .timeline-body {
    border-color: rgba(34, 197, 94, 0.35);
    background: var(--color-surface-2);
    transform: translateX(4px);
}

.timeline-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.badge {
    padding: 0.2rem 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    border: 1px solid;
}

.badge-current {
    color: var(--color-primary-light);
    border-color: rgba(34, 197, 94, 0.45);
    background: var(--color-primary-soft);
}

.timeline-date {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.05em;
    color: var(--color-muted);
}

.timeline-date .icon {
    color: var(--color-muted-2);
}

.timeline-body h3 {
    font-size: var(--fs-lg);
    color: #fff;
    margin-bottom: 0.35rem;
}

.timeline-company {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-4);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-primary-light) !important;
}

.timeline-company .icon {
    color: var(--color-blue);
    width: 17px;
    height: 17px;
}

.timeline-list {
    display: grid;
    gap: 0.55rem;
}

.timeline-list li {
    position: relative;
    padding-left: 1.15rem;
    font-size: var(--fs-sm);
    color: var(--color-muted);
    line-height: 1.6;
}

.timeline-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 6px;
    height: 6px;
    background: var(--color-blue);
    border: 1px solid var(--color-primary);
    transform: rotate(45deg);
}

/* ------------------------- 10. Formación ------------------------- */
.complementaria {
    margin-top: var(--space-7);
    padding: var(--space-5);
    background: rgba(16, 42, 67, 0.28);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.complementaria-list {
    display: grid;
    gap: var(--space-4);
}

.complementaria-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-4);
    align-items: baseline;
    padding-bottom: var(--space-4);
    border-bottom: 1px dashed var(--color-border);
}

.complementaria-list li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.complementaria-year {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-primary-light);
    border: 1px solid rgba(34, 197, 94, 0.35);
    border-radius: var(--radius-sm);
    padding: 0.15rem 0.5rem;
}

.complementaria-text {
    font-size: var(--fs-sm);
    color: var(--color-muted);
}

/* ------------------------- 11. Herramientas ------------------------- */
.tool-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
}

.tool-group {
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition), transform var(--transition);
}

.tool-group:hover {
    border-color: rgba(34, 197, 94, 0.35);
    transform: translateY(-3px);
}

.tool-group h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: var(--fs-sm);
    font-family: var(--font-mono);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--space-4);
}

.tool-group h3 .icon {
    width: 18px;
    height: 18px;
    color: var(--color-primary-light);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.35rem 0.75rem;
    font-size: var(--fs-xs);
    color: var(--color-text);
    background: rgba(16, 42, 67, 0.55);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition), border-color var(--transition),
        color var(--transition);
}

.tag:hover {
    background: var(--color-primary-soft);
    border-color: rgba(34, 197, 94, 0.5);
    color: var(--color-primary-light);
}

/* ------------------------- 12. Contacto ------------------------- */
.contact {
    padding-bottom: calc(var(--section-y) + 1rem);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
    gap: clamp(1.5rem, 3vw, 3rem);
    align-items: start;
}

.contact-list {
    display: grid;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    transition: border-color var(--transition), background-color var(--transition),
        transform var(--transition);
}

a.contact-item:hover {
    border-color: rgba(34, 197, 94, 0.45);
    background: var(--color-surface-2);
    transform: translateX(4px);
    color: var(--color-text);
}

.contact-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    flex: none;
    color: var(--color-primary-light);
    background: rgba(16, 42, 67, 0.7);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: box-shadow var(--transition);
}

a.contact-item:hover .contact-icon {
    box-shadow: 0 0 14px rgba(34, 197, 94, 0.25);
}

.contact-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted-2);
    margin-bottom: 0.1rem;
}

.contact-value {
    display: block;
    font-size: var(--fs-base);
    font-weight: 600;
    overflow-wrap: anywhere;
}

.contact-card {
    padding: var(--space-6);
    background: linear-gradient(165deg, rgba(16, 42, 67, 0.6), rgba(17, 24, 32, 0.95));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.contact-card h3 {
    font-size: var(--fs-base);
    color: #fff;
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.contact-facts {
    display: grid;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.contact-facts dt {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.2rem;
}

.contact-facts dd {
    margin: 0;
    font-size: var(--fs-sm);
    color: var(--color-muted);
    line-height: 1.55;
}

.contact-actions {
    display: grid;
    gap: var(--space-3);
}

/* ------------------------- 13. Footer ------------------------- */
.site-footer {
    border-top: 1px solid var(--color-border-soft);
    background: rgba(11, 15, 20, 0.9);
    padding: var(--space-6) 0;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.footer-brand p {
    margin: 0;
    display: flex;
    flex-direction: column;
    line-height: 1.35;
}

.footer-brand strong {
    font-size: var(--fs-sm);
}

.footer-brand p span {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-muted);
}

.footer-mid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-nav a {
    font-size: var(--fs-sm);
    color: var(--color-muted);
}

.footer-nav a:hover {
    color: var(--color-primary-light);
}

.footer-credits {
    margin: 0;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.04em;
    color: var(--color-muted-2);
}

.footer-credits span {
    color: var(--color-primary-light);
}

.footer-copy {
    margin: 0;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-muted-2);
}

/* ------------------------- 14. Animaciones ------------------------- */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45); }
    70% { box-shadow: 0 0 0 9px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

@keyframes scan-line {
    from { background-position: 200% 0; }
    to { background-position: -200% 0; }
}

@keyframes float-y {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Aparición progresiva: solo con JS disponible */
.js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: calc(var(--reveal-delay, 0) * 80ms);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal[data-delay="1"] { --reveal-delay: 1; }
.reveal[data-delay="2"] { --reveal-delay: 2; }
.reveal[data-delay="3"] { --reveal-delay: 3; }
.reveal[data-delay="4"] { --reveal-delay: 4; }
.reveal[data-delay="5"] { --reveal-delay: 5; }

/* Sin JS: el contenido nunca queda oculto */
.no-js .reveal {
    opacity: 1;
    transform: none;
}

/* ------------------------- 15. Responsive ------------------------- */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero-panel {
        max-width: 560px;
    }

    .perfil-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    :root {
        --header-h: 62px;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 8px);
        right: 1.25rem;
        left: 1.25rem;
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
        padding: var(--space-4);
        background: rgba(13, 18, 25, 0.98);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-10px);
        transition: opacity var(--transition), transform var(--transition),
            visibility var(--transition);
    }

    .site-nav.is-open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-list a {
        padding: 0.8rem 0.75rem;
        font-size: var(--fs-base);
        border-bottom: 1px solid var(--color-border-soft);
        border-radius: var(--radius-sm);
    }

    .nav-list li:last-child a {
        border-bottom: 0;
    }

    .nav-list a::after {
        display: none;
    }

    .nav-cta {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: var(--fs-sm);
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-h) + var(--space-7));
    }

    .hero-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    body {
        font-size: 1rem;
    }

    .container {
        width: min(100% - 1.75rem, var(--container));
    }

    .brand-text span {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .stat {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        gap: var(--space-3);
        padding-bottom: var(--space-2);
        border-bottom: 1px solid var(--color-border-soft);
    }

    .stat dt {
        margin-bottom: 0;
    }

    .panel-rows > div {
        grid-template-columns: 1fr;
        gap: 0.15rem;
    }

    .timeline {
        padding-left: 1.6rem;
    }

    .timeline-item::before {
        left: -1.6rem;
        width: 13px;
        height: 13px;
        top: 24px;
    }

    .timeline::before {
        left: 5px;
    }

    .timeline-body,
    .card,
    .tool-group {
        padding: var(--space-4);
    }

    .contact-card {
        padding: var(--space-5);
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-mid {
        align-items: flex-start;
    }
}

/* ------------------------- 16. Accesibilidad: movimiento ------------------------- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

    .js .reveal {
        opacity: 1;
        transform: none;
    }

    .hero::before {
        animation: none;
        background-image: linear-gradient(90deg,
            transparent,
            rgba(30, 78, 121, 0.5) 50%,
            transparent);
    }
}