/* ===========================================================
   Design tokens
   Light is the default; dark is applied either by the OS
   preference or by an explicit data-theme on <html>.
   Never hardcode a colour — always go through a token.
   =========================================================== */
:root {
    color-scheme: light;

    /* Surfaces */
    --color-bg: #f6f7fb;
    --color-bg-deep: #eceef6;
    --color-surface: #ffffff;
    --color-surface-2: #f1f3f9;
    --color-border: #e2e5ee;
    --color-border-strong: #ccd1e0;

    /* Text */
    --color-text: #12161f;
    --color-text-muted: #4d5566;
    --color-text-subtle: #7b8395;

    /* Accent */
    --color-accent: #2f6bff;
    --color-accent-2: #00c2d1;
    --color-accent-hover: #1d51d6;
    --color-accent-contrast: #ffffff;
    --color-accent-soft: rgba(47, 107, 255, 0.10);
    --color-warn: #b26a00;
    --color-warn-soft: rgba(214, 138, 0, 0.12);

    --gradient-accent: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));

    /* Header glass */
    --header-bg: rgba(255, 255, 255, 0.72);
    --glow-1: rgba(47, 107, 255, 0.30);
    --glow-2: rgba(0, 194, 209, 0.22);

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;

    --step--1: clamp(0.82rem, 0.79rem + 0.13vw, 0.89rem);
    --step-0: clamp(1rem, 0.96rem + 0.18vw, 1.09rem);
    --step-1: clamp(1.14rem, 1.07rem + 0.32vw, 1.33rem);
    --step-2: clamp(1.32rem, 1.2rem + 0.55vw, 1.65rem);
    --step-3: clamp(1.55rem, 1.34rem + 0.95vw, 2.1rem);
    --step-4: clamp(1.85rem, 1.47rem + 1.7vw, 2.85rem);
    --step-5: clamp(2.25rem, 1.6rem + 2.9vw, 4rem);

    /* Space (4px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 2.5rem;
    --space-8: 3rem;
    --space-9: 4rem;
    --space-10: 5rem;
    --space-11: 6rem;
    --space-12: 8rem;

    /* Shape + elevation */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 999px;

    --shadow-sm: 0 1px 2px rgba(18, 22, 31, 0.06), 0 2px 8px rgba(18, 22, 31, 0.04);
    --shadow-md: 0 4px 12px rgba(18, 22, 31, 0.07), 0 12px 32px rgba(18, 22, 31, 0.06);
    --shadow-lg: 0 8px 24px rgba(18, 22, 31, 0.10), 0 24px 60px rgba(18, 22, 31, 0.10);

    --ring: 0 0 0 3px var(--color-accent-soft);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark: OS preference, unless the visitor explicitly forced light. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;

        --color-bg: #0b0f19;
        --color-bg-deep: #070a12;
        --color-surface: #141a26;
        --color-surface-2: #1b2231;
        --color-border: #252d3d;
        --color-border-strong: #384156;

        --color-text: #e9ecf3;
        --color-text-muted: #a3abbd;
        --color-text-subtle: #7c8497;

        --color-accent: #5c8dff;
        --color-accent-2: #2fd8e6;
        --color-accent-hover: #82a8ff;
        --color-accent-contrast: #06080f;
        --color-accent-soft: rgba(92, 141, 255, 0.16);
        --color-warn: #f0b445;
        --color-warn-soft: rgba(240, 180, 69, 0.14);

        --header-bg: rgba(11, 15, 25, 0.72);
        --glow-1: rgba(92, 141, 255, 0.30);
        --glow-2: rgba(47, 216, 230, 0.20);

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.35);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5), 0 12px 32px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.55), 0 24px 60px rgba(0, 0, 0, 0.5);
    }
}

/* Dark: explicitly chosen with the toggle. Same values as above. */
:root[data-theme="dark"] {
    color-scheme: dark;

    --color-bg: #0b0f19;
    --color-bg-deep: #070a12;
    --color-surface: #141a26;
    --color-surface-2: #1b2231;
    --color-border: #252d3d;
    --color-border-strong: #384156;

    --color-text: #e9ecf3;
    --color-text-muted: #a3abbd;
    --color-text-subtle: #7c8497;

    --color-accent: #5c8dff;
    --color-accent-2: #2fd8e6;
    --color-accent-hover: #82a8ff;
    --color-accent-contrast: #06080f;
    --color-accent-soft: rgba(92, 141, 255, 0.16);
    --color-warn: #f0b445;
    --color-warn-soft: rgba(240, 180, 69, 0.14);

    --header-bg: rgba(11, 15, 25, 0.72);
    --glow-1: rgba(92, 141, 255, 0.30);
    --glow-2: rgba(47, 216, 230, 0.20);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5), 0 12px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.55), 0 24px 60px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--color-bg);
    background-image:
        radial-gradient(60rem 40rem at 15% -10%, var(--glow-1), transparent 60%),
        radial-gradient(50rem 34rem at 95% 0%, var(--glow-2), transparent 55%);
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--step-0);
    line-height: 1.65;
    margin: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0;
}

p {
    margin: 0;
}

a {
    color: var(--color-accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color var(--transition);
}

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

img {
    max-width: 100%;
}

/* Skip link (visually hidden until focused) */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-accent);
    color: var(--color-accent-contrast);
    padding: var(--space-3) var(--space-4);
    border-radius: 0 0 var(--radius-sm) 0;
    z-index: 1100;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    left: 0;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: var(--space-3) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.wordmark {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--step-1);
    letter-spacing: -0.03em;
    text-decoration: none;
    color: var(--color-text);
    white-space: nowrap;
    margin-right: auto;
}

.wordmark span {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== Navigation ===== */
.top-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.top-menu ul li a {
    position: relative;
    display: block;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--step--1);
    font-weight: 500;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: color var(--transition), background-color var(--transition);
}

.top-menu ul li a::after {
    content: "";
    position: absolute;
    left: var(--space-3);
    right: var(--space-3);
    bottom: 2px;
    height: 2px;
    border-radius: var(--radius-full);
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.top-menu ul li a:hover,
.top-menu ul li a:focus-visible {
    color: var(--color-text);
    background-color: var(--color-accent-soft);
}

.top-menu ul li a:hover::after,
.top-menu ul li a[aria-current="page"]::after {
    transform: scaleX(1);
}

.top-menu ul li a[aria-current="page"] {
    color: var(--color-text);
    font-weight: 600;
}

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font: inherit;
    cursor: pointer;
    padding: var(--space-2) var(--space-3);
    line-height: 1;
}

/* ===== Header controls (language + theme) ===== */
.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-left: var(--space-3);
    border-left: 1px solid var(--color-border);
}

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

.language-switcher button {
    background: none;
    border: none;
    padding: var(--space-1);
    margin: 0;
    cursor: pointer;
    line-height: 0;
    border-radius: var(--radius-sm);
}

.language-switcher img {
    width: 26px;
    height: 18px;
    object-fit: cover;
    border-radius: 3px;
    /* The Galician flag is mostly white — without an outline it vanishes into a light
       header, and it's still legible against a dark one. Fixed rgba, not a token,
       so it holds in both themes. */
    border: 1px solid rgba(128, 138, 160, 0.75);
    opacity: 0.65;
    transition: opacity var(--transition), box-shadow var(--transition);
}

.language-switcher button:hover img {
    opacity: 1;
}

.language-switcher button[aria-pressed="true"] img {
    opacity: 1;
    box-shadow: 0 0 0 2px var(--color-accent);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

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

.theme-toggle svg {
    width: 17px;
    height: 17px;
    display: block;
}

/* Show the sun in dark mode (click = go light) and the moon in light mode. */
.theme-toggle .icon-sun {
    display: none;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .icon-sun {
        display: block;
    }

    :root:not([data-theme="light"]) .theme-toggle .icon-moon {
        display: none;
    }
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

:root[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}

:root[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

/* ===== Focus states ===== */
a:focus-visible,
button:focus-visible,
.menu-toggle:focus-visible,
.theme-toggle:focus-visible,
.language-switcher button:focus-visible,
.skip-link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: var(--space-9) var(--space-5) var(--space-10);
    flex: 1;
}

.section {
    margin-top: var(--space-10);
}

.page-heading {
    font-size: var(--step-4);
    margin-bottom: var(--space-3);
}

.page-heading::after {
    content: "";
    display: block;
    width: 64px;
    height: 4px;
    margin-top: var(--space-4);
    border-radius: var(--radius-full);
    background: var(--gradient-accent);
}

.page-intro {
    color: var(--color-text-muted);
    font-size: var(--step-1);
    max-width: 62ch;
    margin-bottom: var(--space-8);
}

.section-heading {
    font-size: var(--step-2);
    margin-bottom: var(--space-2);
}

.section-note {
    color: var(--color-text-muted);
    max-width: 62ch;
    margin-bottom: var(--space-6);
}

.eyebrow {
    display: block;
    font-family: var(--font-display);
    font-size: var(--step--1);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

/* ===== Hero ===== */
.hero {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-6) 0 var(--space-4);
}

.hero-avatar {
    position: relative;
    flex-shrink: 0;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    padding: 4px;
    background: var(--gradient-accent);
    box-shadow: var(--shadow-lg);
}

.hero-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    border: 4px solid var(--color-bg);
}

.hero h1 {
    font-size: var(--step-5);
    margin-bottom: var(--space-4);
}

.hero h1 .accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-lead {
    color: var(--color-text-muted);
    font-size: var(--step-1);
    max-width: 52ch;
    margin-bottom: var(--space-6);
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--step--1);
    font-weight: 600;
    line-height: 1;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition),
                background-color var(--transition), border-color var(--transition), color var(--transition);
}

.btn--primary {
    background: var(--gradient-accent);
    color: var(--color-accent-contrast);
    box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
    color: var(--color-accent-contrast);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--ghost {
    background: transparent;
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

.btn--ghost:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.btn--sm {
    padding: var(--space-2) var(--space-4);
}

/* ===== Cards ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-5);
}

.card-grid--wide {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
}

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
}

.card h2,
.card h3 {
    font-size: var(--step-1);
}

.card-desc {
    color: var(--color-text-muted);
    font-size: var(--step--1);
    flex: 1;
}

.card h3 a {
    text-decoration: none;
    color: var(--color-text);
}

.card:hover h3 a {
    color: var(--color-accent);
}

/* A whole card is clickable when it holds a single stretched link. */
.card-link::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
}

/* ===== App cards (home teaser + apps page) ===== */
.app-card {
    gap: var(--space-3);
}

/* Icon on the left, name + badge stacked next to it. */
.app-head {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.app-head-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    min-width: 0;
}

.app-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    object-fit: cover;
    box-shadow: var(--shadow-sm);
    background: var(--color-surface-2);
}

.app-card .app-desc {
    color: var(--color-text-muted);
    font-size: var(--step--1);
    flex: 1;
}

.app-card .btn {
    align-self: flex-start;
    position: relative;
    z-index: 1;
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    align-self: flex-start;
    font-size: var(--step--1);
    font-weight: 600;
    line-height: 1;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    border: 1px solid transparent;
}

.badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
}

.badge--live {
    background: var(--color-accent-soft);
    border-color: var(--color-accent-soft);
    color: var(--color-accent);
}

.badge--testing {
    background: var(--color-warn-soft);
    border-color: var(--color-warn-soft);
    color: var(--color-warn);
}

/* ===== Meta text ===== */
.meta {
    font-size: var(--step--1);
    font-weight: 500;
    color: var(--color-text-subtle);
    letter-spacing: 0.02em;
}

/* ===== Footer ===== */
.site-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    margin-top: auto;
}

.footer-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-5);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.footer-copy {
    color: var(--color-text-subtle);
    font-size: var(--step--1);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
}

.footer-links a {
    font-size: var(--step--1);
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--color-accent);
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
    .header-inner {
        position: relative;
        padding: var(--space-3) var(--space-4);
    }

    .top-menu ul {
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: var(--space-2);
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }

    .top-menu ul.show {
        display: flex;
    }

    .top-menu ul li a {
        font-size: var(--step-0);
        padding: var(--space-3) var(--space-4);
        text-align: center;
    }

    .top-menu ul li a::after {
        display: none;
    }

    .menu-toggle {
        display: block;
        order: 3;
    }

    .header-controls {
        order: 2;
        margin-left: auto;
        padding-left: 0;
        border-left: none;
    }

    .container {
        padding: var(--space-7) var(--space-4) var(--space-8);
    }

    .hero {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
        gap: var(--space-6);
    }

    .hero-avatar {
        width: 170px;
        height: 170px;
    }

    .hero-actions {
        justify-content: center;
    }

    .page-intro,
    .section-note,
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }

    .section {
        margin-top: var(--space-8);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .card:hover,
    .btn:hover {
        transform: none;
    }
}