/* =====================================================================
   base.css — shared design system for Pol Gomez's portfolio
   Terminal-inspired dark theme. Loaded by every page before its
   page-specific stylesheet.
   ===================================================================== */

:root {
    /* Surfaces */
    --bg: #070a0f;
    --bg-2: #0a0f18;
    --surface: #0e1522;
    --surface-2: #131c2c;
    --surface-3: #182236;

    /* Brand */
    --primary: #00ff95;
    --primary-2: #24e0c8;
    --accent: #4d7cfe;

    /* Text */
    --text: #e8eff6;
    --text-muted: #93a4b6;
    --text-faint: #61728a;

    /* Lines & glows */
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(0, 255, 149, 0.28);
    --glow: rgba(0, 255, 149, 0.35);
    --glow-soft: rgba(0, 255, 149, 0.12);

    /* Type */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', 'JetBrains Mono', ui-monospace, monospace;

    /* Layout */
    --maxw: 1180px;
    --radius: 14px;
    --radius-lg: 20px;

    /* Motion */
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Ambient background: layered radial glows + faint grid.
   Fixed so it stays put while content scrolls. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(680px 520px at 82% -6%, rgba(0, 255, 149, 0.10), transparent 60%),
        radial-gradient(720px 620px at 6% 8%, rgba(77, 124, 254, 0.10), transparent 60%),
        radial-gradient(900px 900px at 50% 120%, rgba(36, 224, 200, 0.06), transparent 60%);
    pointer-events: none;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(circle at 50% 32%, #000 0%, transparent 78%);
    -webkit-mask-image: radial-gradient(circle at 50% 32%, #000 0%, transparent 78%);
    pointer-events: none;
}

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

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

::selection {
    background: var(--primary);
    color: #04140d;
}

/* Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 255, 149, 0.35) transparent;
}

*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

*::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 149, 0.25);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 149, 0.45);
    background-clip: padding-box;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ------------------------------------------------------------------ */
/* Layout helpers                                                      */
/* ------------------------------------------------------------------ */

.container {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 24px;
}

.section {
    padding-block: clamp(64px, 9vw, 120px);
    position: relative;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--primary);
    margin: 0 0 16px;
}

.eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: linear-gradient(90deg, var(--primary), transparent);
}

.section-title {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: clamp(1.8rem, 3.6vw, 2.7rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin: 0 0 18px;
    color: var(--text);
}

.section-lead {
    color: var(--text-muted);
    font-size: 1.08rem;
    max-width: 620px;
    margin: 0;
}

.gradient-text {
    background: linear-gradient(120deg, var(--primary), var(--primary-2) 55%, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ------------------------------------------------------------------ */
/* Buttons                                                             */
/* ------------------------------------------------------------------ */

.btn {
    --btn-fg: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1;
    padding: 14px 24px;
    border-radius: 10px;
    border: 1px solid var(--border-strong);
    color: var(--btn-fg);
    background: rgba(0, 255, 149, 0.04);
    cursor: pointer;
    transition: transform 0.25s var(--ease), background 0.25s var(--ease),
        color 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -12px var(--glow);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(120deg, var(--primary), var(--primary-2));
    color: #04140d;
    border-color: transparent;
    box-shadow: 0 8px 26px -12px var(--glow);
}

.btn-primary:hover {
    box-shadow: 0 14px 40px -12px var(--glow);
    color: #04140d;
}

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

.btn-ghost:hover {
    border-color: var(--border-strong);
    color: var(--primary);
}

.btn-sm {
    padding: 10px 16px;
    font-size: 0.85rem;
}

.btn .arrow {
    transition: transform 0.25s var(--ease);
}

.btn:hover .arrow {
    transform: translateX(4px);
}

/* ------------------------------------------------------------------ */
/* Badges & tags                                                      */
/* ------------------------------------------------------------------ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    white-space: nowrap;
}

.badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 8px currentColor;
}

.badge-released,
.badge-published {
    color: var(--primary);
    border-color: var(--border-strong);
    background: rgba(0, 255, 149, 0.08);
}

.badge-pending {
    color: #ffb547;
    border-color: rgba(255, 181, 71, 0.35);
    background: rgba(255, 181, 71, 0.08);
}

.badge-live .dot {
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}

/* ------------------------------------------------------------------ */
/* Site navigation (sticky)                                           */
/* ------------------------------------------------------------------ */

.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: rgba(7, 10, 15, 0.72);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.site-nav.scrolled {
    border-bottom-color: var(--border);
    background: rgba(7, 10, 15, 0.85);
}

.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    height: 66px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Language toggle (EN / ES) */
.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.03);
}

.lang-opt {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-faint);
    background: none;
    border: none;
    padding: 5px 9px;
    border-radius: 6px;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease;
}

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

.lang-opt[aria-pressed="true"] {
    color: #04140d;
    background: var(--primary);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.02rem;
    color: var(--text);
    letter-spacing: -0.01em;
}

.brand .prompt {
    color: var(--primary);
}

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

.brand .caret {
    width: 9px;
    height: 1.05em;
    background: var(--primary);
    display: inline-block;
    border-radius: 1px;
    animation: blink 1.15s steps(1) infinite;
    transform: translateY(1px);
}

@keyframes blink {
    50% { opacity: 0; }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0 0 0 auto;
    padding: 0;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 8px 14px;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

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

.nav-cta {
    margin-left: 6px;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 42px;
    height: 40px;
    cursor: pointer;
    padding: 0;
    color: var(--text);
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 3px auto;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.3s var(--ease), opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}

/* ------------------------------------------------------------------ */
/* Footer                                                             */
/* ------------------------------------------------------------------ */

.site-footer {
    border-top: 1px solid var(--border);
    background: rgba(10, 15, 24, 0.6);
    padding-block: 40px;
}

.site-footer .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.site-footer .brand {
    font-size: 0.98rem;
}

.footer-meta {
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.footer-socials {
    display: flex;
    gap: 8px;
}

.footer-socials a {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 9px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: all 0.25s var(--ease);
}

.footer-socials a:hover {
    color: var(--primary);
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.footer-socials svg {
    width: 18px;
    height: 18px;
}

/* ------------------------------------------------------------------ */
/* Reveal-on-scroll                                                   */
/* ------------------------------------------------------------------ */

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

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

/* ------------------------------------------------------------------ */
/* Responsive nav                                                     */
/* ------------------------------------------------------------------ */

@media (max-width: 820px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        inset: 66px 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 16px 24px 24px;
        background: rgba(9, 13, 20, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease, transform 0.25s var(--ease);
    }

    .nav-links.open {
        opacity: 1;
        transform: none;
        pointer-events: auto;
    }

    .nav-links a {
        padding: 12px 14px;
        font-size: 1rem;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 4px;
        text-align: center;
    }
}