/* ============================================================
   pipe.css — Design "ETL / data pipeline industriel"
   Thème : blanc pur · vert terminal · condensé · données brutes
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Roboto+Condensed:ital,wght@0,300;0,400;0,700;1,300&family=Fira+Mono:wght@400;500;700&display=swap');

/* ── VARIABLES ─────────────────────────────────────────── */
:root {
    --white:   #ffffff;
    --off:     #f7f9f7;
    --gray1:   #f0f2f0;
    --gray2:   #e2e6e2;
    --gray3:   #c8cec8;
    --black:   #0d0d0d;
    --ink:     #1a1f1a;
    --slate:   #2e3d2e;
    --muted:   #6b7a6b;
    --green:   #00ff41;
    --green2:  #00cc35;
    --green3:  #007a20;
    --green-bg: rgba(0,255,65,.07);
    --green-glow: rgba(0,255,65,.25);
    --red:     #e5383b;
    --amber:   #f4a61d;
    --blue:    #2d6be4;
    --border:  #d4d9d4;
    --border2: #e8ebe8;
    --mono:    'Fira Mono', 'JetBrains Mono', monospace;
    --display: 'Bebas Neue', sans-serif;
    --sans:    'Roboto Condensed', Arial Narrow, sans-serif;
    --shadow:  0 1px 0 var(--border), 0 8px 32px rgba(0,0,0,.08);
}

/* ── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    font-weight: 400;
    background: var(--white);
    color: var(--ink);
    line-height: 1.6;
    min-height: 100vh;
}

/* ── PROGRESS LINE ─────────────────────────────────────── */
#prog {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    z-index: 600;
    background: var(--green);
    box-shadow: 0 0 10px var(--green-glow);
    transition: width .08s linear;
}

/* ── HEADER ────────────────────────────────────────────── */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--black);
    border-bottom: 2px solid var(--green);
}
.hdr {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
    height: 50px;
    display: flex;
    align-items: center;
    gap: 0;
}
.hdr-logo {
    font-family: var(--display);
    font-size: 1.6rem;
    color: var(--green);
    letter-spacing: 3px;
    margin-right: 24px;
    white-space: nowrap;
    text-shadow: 0 0 12px var(--green-glow);
}
.hdr-logo .pipe-char {
    color: var(--white);
    opacity: .5;
    margin: 0 2px;
}
nav {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
    flex: 1;
}
nav::-webkit-scrollbar { display: none; }
nav a {
    font-family: var(--mono);
    font-size: .62rem;
    color: rgba(255,255,255,.38);
    text-decoration: none;
    padding: 0 14px;
    height: 50px;
    display: flex;
    align-items: center;
    border-bottom: 2px solid transparent;
    letter-spacing: .8px;
    text-transform: uppercase;
    white-space: nowrap;
    transition: color .15s, border-color .15s;
    border-left: 1px solid rgba(255,255,255,.06);
}
nav a:first-child { border-left: none; }
nav a:hover, nav a.active {
    color: var(--green);
    border-bottom-color: var(--green);
}
.hdr-badge {
    margin-left: auto;
    font-family: var(--mono);
    font-size: .58rem;
    color: rgba(0,255,65,.5);
    letter-spacing: 1px;
    white-space: nowrap;
    padding-left: 16px;
    border-left: 1px solid rgba(255,255,255,.08);
}

/* ── HERO ──────────────────────────────────────────────── */
.hero {
    background: var(--black);
    color: var(--white);
    padding: 0;
    border-bottom: 1px solid #222;
    overflow: hidden;
}
.hero-grid {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 360px;
}
.hero-left {
    padding: 56px 48px 56px 24px;
    border-right: 1px solid #222;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.hero-eyebrow {
    font-family: var(--mono);
    font-size: .62rem;
    color: rgba(0,255,65,.6);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.hero h1 {
    font-family: var(--display);
    font-size: clamp(3.5rem, 7vw, 6rem);
    letter-spacing: 4px;
    line-height: 1;
    margin-bottom: 16px;
    color: var(--white);
}
.hero h1 .pipe-hl {
    color: var(--green);
    text-shadow: 0 0 20px var(--green-glow);
}
.hero-sub {
    font-size: .95rem;
    color: rgba(255,255,255,.45);
    font-weight: 300;
    line-height: 1.7;
    max-width: 400px;
    margin-bottom: 28px;
}
.hero-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.hero-kv {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.hero-kv .k {
    font-family: var(--mono);
    font-size: .55rem;
    color: rgba(255,255,255,.25);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.hero-kv .v {
    font-family: var(--display);
    font-size: 1.4rem;
    color: var(--green);
    letter-spacing: 1px;
    line-height: 1;
}

/* Hero right — pipe stream */
.hero-right {
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(0,255,65,.025);
}
.pipe-stream-label {
    font-family: var(--mono);
    font-size: .58rem;
    color: rgba(0,255,65,.4);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.pipe-stream {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.ps-row {
    display: flex;
    align-items: center;
    gap: 0;
    opacity: 0;
    animation: psSlide .4s ease both;
}
.ps-row:nth-child(1) { animation-delay: .1s; }
.ps-row:nth-child(2) { animation-delay: .3s; }
.ps-row:nth-child(3) { animation-delay: .5s; }
.ps-row:nth-child(4) { animation-delay: .7s; }
.ps-row:nth-child(5) { animation-delay: .9s; }
@keyframes psSlide {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
}
.ps-cell {
    font-family: var(--mono);
    font-size: .82rem;
    padding: 5px 12px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.07);
    color: #e8e8e8;
    border-right: none;
    white-space: nowrap;
    transition: background .2s, color .2s;
}
.ps-cell:hover { background: rgba(0,255,65,.08); color: var(--green); }
.ps-cell:first-child { border-radius: 4px 0 0 4px; }
.ps-cell:last-child  { border-right: 1px solid rgba(255,255,255,.07); border-radius: 0 4px 4px 0; }
.ps-sep {
    font-family: var(--mono);
    font-size: .88rem;
    color: var(--green);
    font-weight: 700;
    padding: 5px 3px;
    background: rgba(255,255,255,.04);
    border-top: 1px solid rgba(255,255,255,.07);
    border-bottom: 1px solid rgba(255,255,255,.07);
    text-shadow: 0 0 6px var(--green-glow);
}
.ps-row.header .ps-cell {
    color: var(--green);
    background: rgba(0,255,65,.06);
    font-weight: 700;
    font-size: .72rem;
    letter-spacing: .5px;
    text-transform: uppercase;
}

/* ── MAIN CONTAINER ────────────────────────────────────── */
.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

/* ── SECTION BLOCKS ────────────────────────────────────── */
.block {
    border-bottom: 1px solid var(--border2);
    padding: 40px 0;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .4s ease, transform .4s ease;
    position: relative;
}
.block.visible { opacity: 1; transform: translateY(0); }

/* Numéro de section en watermark */
.block-num {
    position: absolute;
    top: 32px; right: 0;
    font-family: var(--display);
    font-size: 6rem;
    color: rgba(0,0,0,.04);
    line-height: 1;
    pointer-events: none;
    letter-spacing: -2px;
}

.block-head {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 22px;
}
.bn {
    font-family: var(--display);
    font-size: 1.1rem;
    color: var(--green3);
    letter-spacing: 1px;
    min-width: 32px;
}
.block-head h2 {
    font-family: var(--display);
    font-size: 1.9rem;
    font-weight: 400;
    letter-spacing: 2px;
    color: var(--ink);
    text-transform: uppercase;
    line-height: 1;
}
.block-tag {
    font-family: var(--mono);
    font-size: .6rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 3px 8px;
    border: 1px solid var(--border);
    color: var(--muted);
    border-radius: 2px;
    margin-left: auto;
}

/* ── PARAGRAPH ─────────────────────────────────────────── */
p {
    font-size: .95rem;
    color: var(--muted);
    margin-bottom: 14px;
    line-height: 1.75;
    max-width: 760px;
}
p strong { font-weight: 700; color: var(--ink); }

/* ── LISTS ─────────────────────────────────────────────── */
ul.items {
    list-style: none;
    margin: 14px 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 8px;
}
ul.items li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 11px 14px;
    background: var(--off);
    border: 1px solid var(--border2);
    font-size: .88rem;
    color: var(--ink);
    line-height: 1.5;
    border-left: 3px solid var(--green2);
    transition: background .15s, border-color .15s;
}
ul.items li:hover { background: var(--green-bg); border-color: var(--green2); }
ul.items li::before {
    content: '▸';
    color: var(--green2);
    font-size: .75rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ── CODE BLOCK ────────────────────────────────────────── */
.code-block {
    margin: 16px 0;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.code-bar {
    background: #1a1a1a;
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid #333;
}
.cd-dots { display: flex; gap: 5px; }
.cd-dots span { width: 9px; height: 9px; border-radius: 50%; }
.cd-r { background: #ff5f57; } .cd-y { background: #ffbd2e; } .cd-g { background: #28ca41; }
.cd-lang {
    font-family: var(--mono);
    font-size: .6rem;
    color: var(--green);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-left: auto;
}
.cd-copy {
    font-family: var(--mono);
    font-size: .6rem;
    background: none;
    border: 1px solid rgba(255,255,255,.15);
    color: rgba(255,255,255,.4);
    padding: 3px 8px;
    border-radius: 2px;
    cursor: pointer;
    transition: border-color .15s, color .15s;
}
.cd-copy:hover { border-color: var(--green); color: var(--green); }
pre {
    margin: 0;
    padding: 18px;
    background: #111;
    font-family: var(--mono);
    font-size: .82rem;
    line-height: 1.8;
    overflow-x: auto;
    color: #d4d4d4;
}
.kw  { color: #569cd6; }
.fn  { color: #dcdcaa; }
.str { color: #ce9178; }
.cm  { color: #6a9955; font-style: italic; }
.var { color: #9cdcfe; }
.num { color: #b5cea8; }
.pip { color: var(--green); font-weight: 700; }
.hd  { color: #4ec9b0; font-weight: 700; }

/* ── COMPARISON TABLE ──────────────────────────────────── */
.table-wrap {
    overflow-x: auto;
    margin: 16px 0;
    border: 1px solid var(--border);
}
table {
    width: 100%;
    border-collapse: collapse;
}
th {
    font-family: var(--display);
    font-size: .85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 11px 16px;
    background: var(--ink);
    color: var(--green);
    text-align: left;
    border-right: 1px solid rgba(255,255,255,.08);
    white-space: nowrap;
}
th:first-child { color: rgba(255,255,255,.45); }
td {
    padding: 10px 16px;
    font-size: .88rem;
    border-top: 1px solid var(--border2);
    border-right: 1px solid var(--border2);
    vertical-align: middle;
    line-height: 1.5;
    color: var(--ink);
}
td:first-child { font-family: var(--mono); font-weight: 700; font-size: .82rem; background: var(--off); }
tr.pipe-row td { background: var(--green-bg); }
tr.pipe-row td:first-child { color: var(--green3); background: rgba(0,255,65,.1); }
tr:hover td { background: var(--gray1); }
tr.pipe-row:hover td { background: rgba(0,255,65,.12); }
.sep-char {
    font-family: var(--mono);
    font-size: 1rem;
    font-weight: 700;
    padding: 2px 8px;
    background: var(--ink);
    color: var(--green);
    border-radius: 2px;
    display: inline-block;
}

/* ── PIPE ANATOMY ──────────────────────────────────────── */
.anatomy {
    background: var(--off);
    border: 1px solid var(--border);
    padding: 22px;
    margin: 16px 0;
    position: relative;
    overflow-x: auto;
}
.anatomy-label {
    font-family: var(--mono);
    font-size: .6rem;
    color: var(--muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.anatomy-row {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: nowrap;
    width: max-content;
}
.a-field {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.a-val {
    font-family: var(--mono);
    font-size: .95rem;
    font-weight: 700;
    padding: 8px 16px;
    background: var(--white);
    border: 2px solid var(--border);
    color: var(--ink);
    white-space: nowrap;
    transition: border-color .2s, background .2s;
}
.a-val:hover { border-color: var(--green2); background: var(--green-bg); }
.a-label {
    font-family: var(--mono);
    font-size: .55rem;
    color: var(--muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}
.a-sep {
    font-family: var(--mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--green);
    padding: 0 4px;
    text-shadow: 0 0 8px var(--green-glow);
    border: none;
    background: transparent;
    align-self: flex-start;
    margin-top: 8px;
}

/* ── LANG TABS ─────────────────────────────────────────── */
.lang-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 0;
    flex-wrap: wrap;
}
.lang-tab {
    font-family: var(--mono);
    font-size: .7rem;
    padding: 9px 18px;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color .15s, border-color .15s;
}
.lang-tab.active { color: var(--ink); border-bottom-color: var(--green2); font-weight: 700; }
.lang-tab:hover { color: var(--ink); }
.lang-panel { display: none; }
.lang-panel.active { display: block; }

/* ── BEST PRACTICES GRID ───────────────────────────────── */
.bp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin: 14px 0;
}
.bp-card {
    background: var(--off);
    border: 1px solid var(--border2);
    border-top: 3px solid var(--green2);
    padding: 16px;
    transition: border-color .2s, box-shadow .2s, transform .2s;
    cursor: default;
}
.bp-card:hover {
    border-top-color: var(--green);
    box-shadow: 0 4px 16px rgba(0,0,0,.08);
    transform: translateY(-2px);
}
.bp-icon { font-size: 1.3rem; margin-bottom: 8px; display: block; }
.bp-title {
    font-family: var(--display);
    font-size: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--ink);
    margin-bottom: 6px;
}
.bp-body { font-size: .78rem; color: var(--muted); line-height: 1.55; }

/* ── USE CASE BADGES ───────────────────────────────────── */
.uc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0;
}
.uc-badge {
    font-family: var(--mono);
    font-size: .72rem;
    padding: 7px 14px;
    border: 1px solid var(--border);
    background: var(--off);
    color: var(--ink);
    letter-spacing: .5px;
    transition: border-color .15s, background .15s, color .15s;
    cursor: default;
}
.uc-badge:hover { border-color: var(--green2); background: var(--green-bg); color: var(--green3); }
.uc-badge::before { content: '$ '; color: var(--green2); font-weight: 700; }

/* ── NOTICE ────────────────────────────────────────────── */
.notice {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 16px;
    border-left: 4px solid;
    margin: 14px 0;
    font-size: .88rem;
    line-height: 1.65;
    max-width: 760px;
}
.notice-icon { flex-shrink: 0; }
.n-ok   { border-color: var(--green2); background: var(--green-bg); color: var(--green3); }
.n-warn { border-color: var(--amber);  background: rgba(244,166,29,.08); color: #7a4f00; }
.n-info { border-color: var(--blue);   background: rgba(45,107,228,.06); color: #1a3d99; }

/* ── INTERACTIVE DEMO ──────────────────────────────────── */
.demo-wrap {
    border: 1px solid var(--border);
    overflow: hidden;
    margin: 16px 0;
    box-shadow: var(--shadow);
}
.demo-hdr {
    background: var(--ink);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.demo-hdr-title {
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--green);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.demo-live {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: var(--mono);
    font-size: .6rem;
    color: rgba(0,255,65,.6);
    letter-spacing: 1px;
}
.demo-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 5px var(--green);
    animation: dp 1.8s ease-in-out infinite;
}
@keyframes dp { 0%,100%{opacity:1}50%{opacity:.2} }
.demo-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.demo-pane {
    padding: 16px;
    border-right: 1px solid var(--border2);
}
.demo-pane:last-child { border-right: none; }
.demo-pane label {
    display: block;
    font-family: var(--mono);
    font-size: .58rem;
    color: var(--muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.demo-input {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--mono);
    font-size: .82rem;
    border: 1px solid var(--border);
    background: var(--off);
    color: var(--ink);
    outline: none;
    resize: vertical;
    min-height: 90px;
    transition: border-color .2s;
}
.demo-input:focus { border-color: var(--green2); box-shadow: 0 0 0 3px rgba(0,255,65,.08); }
.demo-output {
    min-height: 90px;
    padding: 10px 12px;
    background: #0d0d0d;
    font-family: var(--mono);
    font-size: .78rem;
    line-height: 1.8;
    color: #c8c8c8;
    overflow-x: auto;
    white-space: pre-wrap;
    border: 1px solid #222;
}
.o-h  { color: var(--green); font-weight: 700; }
.o-v  { color: #f1fa8c; }
.o-n  { color: #b5cea8; }
.o-sep { color: rgba(0,255,65,.5); }
.o-ok  { color: var(--green); }
.o-err { color: #f47174; }
.o-dim { color: #444; }

/* ── SCROLL TO TOP ─────────────────────────────────────── */
#top-btn {
    position: fixed;
    right: 22px; bottom: 22px;
    width: 40px; height: 40px;
    background: var(--ink);
    border: 2px solid var(--green);
    color: var(--green);
    display: flex; align-items: center; justify-content: center;
    text-decoration: none;
    font-family: var(--display);
    font-size: 1.1rem;
    box-shadow: 0 0 14px rgba(0,255,65,.15);
    opacity: 0; pointer-events: none;
    transform: translateY(8px);
    transition: opacity .25s, transform .25s, background .15s;
    z-index: 200;
    letter-spacing: 1px;
}
#top-btn.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
#top-btn:hover { background: var(--green); color: var(--black); }

/* ── FOOTER ────────────────────────────────────────────── */
footer {
    background: var(--ink);
    color: rgba(255,255,255,.3);
    padding: 20px 24px;
    font-family: var(--mono);
    font-size: .65rem;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
footer .fg { color: var(--green); }

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 820px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-right { border-top: 1px solid #222; }
    .demo-body { grid-template-columns: 1fr; }
    .demo-pane:first-child { border-right: none; border-bottom: 1px solid var(--border2); }
    ul.items { grid-template-columns: 1fr; }
    .bp-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
    .hero-left { padding: 40px 16px; }
    .hero-right { padding: 24px 16px; }
    .container { padding: 0 16px 60px; }
    .bp-grid { grid-template-columns: 1fr; }
    .hdr { padding: 0 14px; }
    .hdr-badge { display: none; }
}