:root {
    --ink: #0d0d0d;
    --cream: #f5f0e8;
    --paper: #faf8f4;
    --gold: #c9a84c;
    --gold-light: #e8d08a;
    --teal: #1a6b6b;
    --rust: #b84c2a;
    --slate: #3a4a5a;
    --mist: #e8edf2;
    --font-display: 'Bebas Neue', sans-serif;
    --font-serif: 'DM Serif Display', serif;
    --font-body: 'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
html, body { margin: 0; padding: 0; width: 100%; }
body { background: var(--paper); font-family: var(--font-body); color: var(--ink); overflow-x: hidden; word-break: normal; overflow-wrap: break-word; }

/* enable hyphenation only for headings and list items */
h1, h2, h3, h4, h5, h6, li, p, span, a { hyphens: none; }


/* helper: ensure wide elements fill the viewport */
.container, section, header, footer {
    width: 100%;
}


/* ─── BOTONES INTERACTIVOS ─── */
.btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
    padding: 12px 28px;
    background: var(--gold);
    color: var(--ink);
    font-family: var(--font-body);
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 4px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid transparent;
    cursor: pointer;
}

/* center within cards and other containers */
.challenge-card, .resources-box, .tools-text, .featured-main-body, .featured-small-body, .media-text, .footer-info-left {
    text-align: center;
}
.btn:hover { background: var(--ink); color: var(--gold); transform: translateY(-4px); box-shadow: 0 10px 20px rgba(0,0,0,0.15); border-color: var(--gold); }
.btn:active { transform: translateY(-1px); }
.btn-sm { font-size: 0.8rem; padding: 8px 16px; margin-top: 10px; }

/* ─── HERO ─── */
.hero { min-height: 100vh; background: var(--ink); display: grid; place-items: center; position: relative; overflow: hidden; width: 100%; }
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse 60% 80% at 70% 50%, rgba(201,168,76,0.12) 0%, transparent 70%),
                repeating-linear-gradient(0deg, transparent, transparent 79px, rgba(255,255,255,0.03) 80px),
                repeating-linear-gradient(90deg, transparent, transparent 79px, rgba(255,255,255,0.03) 80px);
    pointer-events: none; z-index: 2;
}
.hero-visual video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.hero-visual { position: absolute; inset: 0; overflow: hidden; }


.hero-text {
    padding: 80px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 3;
}
.hero-badge { display: inline-block; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); border: 1px solid var(--gold); padding: 6px 14px; border-radius: 2px; margin-bottom: 40px; width: fit-content; }
.hero h1 { font-family: var(--font-display); font-size: clamp(4rem, 8vw, 9rem); line-height: 0.92; color: #fff; letter-spacing: 0.02em; margin-bottom: 30px; }
.hero h1 span { color: var(--gold); display: block; }
.hero-desc { font-size: 1rem; font-weight: 400; color: #ffffff; line-height: 1.8; max-width: 550px; margin-bottom: 50px; border-left: none; padding-left: 0; border-top: 2px solid var(--gold); padding-top: 20px; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.hero-stats { display: flex; gap: 40px; justify-content: center; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-size: 2.8rem; color: var(--gold); line-height: 1; }
.stat-label { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.45); margin-top: 4px; }
.hero-visual {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

/* ✅ IMAGEN HERO CON MÁS COLOR */
.hero-visual img, .hero-visual video { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; filter: saturate(1.4) contrast(1.1); }
.hero-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--ink) 0%, transparent 50%); }
.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 12px; z-index: 3; color: rgba(255,255,255,0.4); font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; }
.scroll-line { width: 40px; height: 1px; background: rgba(255,255,255,0.3); }

/* ─── LABELS ─── */
.section-label { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }

/* ─── INTRO STRIP ─── */
.intro-strip { background: var(--teal); padding: 22px 60px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,0.1); }
.intro-strip p { font-family: var(--font-display); font-size: 1.4rem; color: #fff; letter-spacing: 0.04em; }
.intro-strip .topics { display: flex; gap: 12px; flex-wrap: wrap; }
.topic-tag { background: rgba(255,255,255,0.15); color: #fff; padding: 5px 14px; border-radius: 2px; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.08em; }

/* ─── SECTIONS ─── */
.page-section { padding: 100px 0; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 60px; padding-bottom: 20px; border-bottom: 1px solid rgba(0,0,0,0.1); }

/* stack and center header text on small screens */
@media (max-width: 768px) {
    .section-header { flex-direction: column; align-items: center; text-align: center; }
    .section-number { display: none; }
}


/* wide containers should span viewport, centering removed */
/* (optional: keep hero-text center) */
.hero-text { text-align: center; }
.section-header h2 { font-family: var(--font-serif); font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; color: var(--ink); }
.section-header h2 em { color: var(--teal); font-style: italic; }
.section-number { font-family: var(--font-display); font-size: 6rem; color: rgba(0,0,0,0.06); line-height: 1; }

/* ─── HTML CONCEPTS ─── */
.html-section { background: var(--paper); }
.concepts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: rgba(0,0,0,0.08); border: 2px solid rgba(0,0,0,0.08); }
.concept-card { background: var(--paper); overflow: hidden; position: relative; transition: all 0.4s ease; cursor: default; }
.concept-card:hover { background: var(--ink); }
.concept-card:hover .concept-body h3,
.concept-card:hover .concept-body p,
.concept-card:hover .concept-body code { color: rgba(255,255,255,0.85); }
.concept-card:hover .concept-number { color: rgba(255,255,255,0.08); }
.concept-card:hover .concept-tag { background: var(--gold); color: var(--ink); }
.concept-card:hover .concept-img-wrap img { opacity: 0.3; filter: grayscale(100%); }
.concept-img-wrap { height: 200px; overflow: hidden; }

/* ✅ IMÁGENES DE CONCEPTOS CON MÁS COLOR */
.concept-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease, opacity 0.4s ease; filter: saturate(1.5) contrast(1.05); animation: imageFloat 6s ease-in-out infinite; animation-delay: 1s; }
.concept-card:hover .concept-img-wrap img { transform: scale(1.05); }
.concept-body { padding: 28px 28px 32px; position: relative; }
.concept-number { font-family: var(--font-display); font-size: 5rem; color: rgba(0,0,0,0.04); position: absolute; top: -10px; right: 20px; line-height: 1; transition: color 0.4s ease; }
.concept-tag { display: inline-block; font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; background: var(--mist); color: var(--slate); padding: 4px 10px; border-radius: 2px; margin-bottom: 12px; font-weight: 500; transition: all 0.3s ease; }
.concept-body h3 { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 10px; color: var(--ink); transition: color 0.4s ease; }
.concept-body p { font-size: 0.88rem; line-height: 1.7; color: #555; transition: color 0.4s ease; }
.concept-body code { font-family: 'Courier New', monospace; font-size: 0.82rem; color: var(--teal); background: rgba(26,107,107,0.08); padding: 1px 5px; border-radius: 3px; transition: color 0.4s ease; }

/* ─── CSS SECTION ─── */
/* Animación suave para imágenes */
@keyframes imageFloat {
    0% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0); }
}

.css-section { background: var(--ink); }
.css-section .section-header h2 { color: #fff; }
.css-section .section-header h2 em { color: var(--gold); }
.css-section .section-header { border-bottom-color: rgba(255,255,255,0.1); }
.css-section .section-label { color: var(--gold-light); }
.css-section .section-number { color: rgba(255,255,255,0.04); }
.css-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.css-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; transition: all 0.35s ease; }
.css-card:hover { background: rgba(201,168,76,0.1); border-color: var(--gold); transform: translateY(-6px); }
.css-card-img { height: 160px; overflow: hidden; }

/* ✅ IMÁGENES CSS CARDS CON MÁS COLOR */
.css-card-img img { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; filter: saturate(1.6) contrast(1.05); transition: all 0.4s ease; animation: imageFloat 6s ease-in-out infinite; }
.css-card:hover .css-card-img img { opacity: 1; filter: saturate(2) contrast(1.1); transform: scale(1.08); }
.css-card-body { padding: 20px; }
.css-icon { width: 36px; height: 36px; background: var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 0.9rem; color: var(--ink); margin-bottom: 12px; }
.css-card-body h3 { font-family: var(--font-serif); font-size: 1.1rem; color: #fff; margin-bottom: 8px; }
.css-card-body p { font-size: 0.82rem; color: rgba(255,255,255,0.5); line-height: 1.65; }
.css-card-body code { font-size: 0.78rem; color: var(--gold-light); font-family: 'Courier New', monospace; }

/* ✅ CSS CARD LAST CHILD (Horizontal) */
@media (min-width: 768px) {
    .css-card:last-child { grid-column: 1 / -1; display: flex; flex-direction: row; align-items: center; }
    .css-card:last-child .css-card-img { width: 40%; height: 100%; min-height: 180px; }
    .css-card:last-child .css-card-body { width: 60%; padding: 30px; }
}

/* ─── FEATURED ─── */
.featured-section { background: var(--cream); }
.featured-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.featured-main { background: var(--teal); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; }

/* ✅ IMAGEN FEATURED MAIN CON MÁS COLOR */
.featured-main img { width: 100%; height: 300px; object-fit: cover; opacity: 1; filter: saturate(1.4) contrast(1.05); }
.featured-main-body { padding: 40px; flex: 1; display: flex; flex-direction: column; justify-content: flex-end; }
.featured-main-body .section-label { color: var(--gold-light); }
.featured-main-body h3 { font-family: var(--font-serif); font-size: 2.2rem; color: #fff; line-height: 1.2; margin-bottom: 16px; }
.featured-main-body p { font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.75; }
.featured-small { background: #fff; border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow 0.3s ease; }
.featured-small:hover { box-shadow: 0 16px 40px rgba(0,0,0,0.12); }
.featured-small:last-child { grid-column: 1 / -1; }

/* ✅ FEATURED SMALL LAST CHILD (Horizontal) */
@media (min-width: 768px) {
    .featured-small:last-child { flex-direction: row; }
    .featured-small:last-child img { width: 45%; height: auto; min-height: 220px; }
    .featured-small:last-child .featured-small-body { width: 55%; justify-content: center; display: flex; flex-direction: column; padding: 40px; }
}

/* ✅ IMÁGENES FEATURED SMALL CON MÁS COLOR */
.featured-small img { width: 100%; height: 180px; object-fit: cover; filter: saturate(1.5) contrast(1.05); animation: imageFloat 6s ease-in-out infinite; animation-delay: 2s; }
.featured-small-body { padding: 24px; flex: 1; }
.featured-small-body .section-label { color: var(--rust); }
.featured-small-body h3 { font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 10px; color: var(--ink); }
.featured-small-body p { font-size: 0.85rem; color: #666; line-height: 1.65; }
.featured-small-body p code { color: var(--rust); }

/* ─── TOOLS ─── */
.tools-section { background: var(--paper); padding: 80px 60px; }
.tools-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.tools-text h2 { font-family: var(--font-serif); font-size: 2.8rem; line-height: 1.15; margin-bottom: 24px; color: var(--ink); }
.tools-text h2 em { color: var(--teal); font-style: italic; }
.tools-text p { font-size: 0.95rem; color: #555; line-height: 1.85; margin-bottom: 32px; }
.props-list { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.prop-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: var(--mist);
    border-radius: 6px;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    flex-wrap: wrap;            /* allow wrapping on narrow screens */
    min-height: 80px;          /* give some vertical room */
    width: 100%;               /* full width of container */
}


.prop-item:hover { border-left-color: var(--teal); background: rgba(26,107,107,0.07); transform: translateX(6px); }
.prop-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); flex-shrink: 0; margin-top: 6px; }

.prop-code { font-family: 'Courier New', monospace; font-size: 0.9rem; color: var(--teal); font-weight: 600; min-width: 180px; flex-shrink: 0; }

.prop-desc { font-size: 0.85rem; color: #666; flex: 1 1 auto; hyphens: none; word-break: normal; }

.resources-box { background: var(--ink); border-radius: 10px; padding: 44px; color: #fff; }
.resources-box .section-label { color: var(--gold); margin-bottom: 24px; }
.resources-box h3 { font-family: var(--font-serif); font-size: 2rem; margin-bottom: 28px; line-height: 1.2; }
.resource-link { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); text-decoration: none; transition: all 0.25s ease; }
.resource-link:last-child { border-bottom: none; }
.resource-link:hover { gap: 20px; }
.resource-link:hover .resource-arrow { color: var(--gold); }
.resource-icon { width: 34px; height: 34px; background: rgba(201,168,76,0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; flex-shrink: 0; }
.resource-info { flex: 1; }
.resource-name { font-size: 0.9rem; color: rgba(255,255,255,0.9); font-weight: 400; display: block; }
.resource-type { font-size: 0.72rem; color: rgba(255,255,255,0.35); letter-spacing: 0.1em; text-transform: uppercase; }
.resource-arrow { color: rgba(255,255,255,0.25); font-size: 1.1rem; transition: color 0.25s ease; }

/* ─── MEDIA ─── */
.media-section { background: var(--slate); padding: 100px 60px; }
.media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.media-text .section-label { color: var(--gold-light); }
.media-text h2 { font-family: var(--font-serif); font-size: 3rem; color: #fff; line-height: 1.15; margin-bottom: 20px; }

/* ─── RESPONSIVE HELPERS ─── */
img, video, iframe { max-width: 100%; height: auto; }

/* ajuste de contenedores para móviles */
@media (max-width: 1024px) {
    .hero-text { padding: 60px 40px; }
    .intro-strip { padding: 22px 40px; }
    .page-section { padding: 80px 20px; }
    .tools-inner { grid-template-columns: 1fr; gap: 40px; }
    .featured-grid { grid-template-columns: 1fr; }
    .tools-section .resources-box { margin-top: 40px; }
    .media-grid { grid-template-columns: 1fr; }
    .css-grid { grid-template-columns: repeat(2,1fr); }
    .concepts-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
    .hero-text { padding: 50px 30px; }
    .intro-strip { padding: 22px 30px; flex-direction: column; text-align: center; }
    .intro-strip p { margin-bottom: 12px; }
    .tools-inner { padding: 0 20px; justify-items: center; }
    .footer-top, .footer-bottom { flex-direction: column; text-align: center; }
    .footer-top { grid-template-columns: 1fr !important; }
    .footer-col, .footer-brand { margin: 0 auto; width: 100%; }
    .footer-brand p { max-width: 100%; hyphens: none; word-break: normal; padding: 0 20px; }
    .footer-col ul, .footer-col li, .footer-col a { hyphens: none; word-break: normal; }
    .footer-col { margin: 20px 0; }
    .css-grid { grid-template-columns: 1fr; }
    .concepts-grid { grid-template-columns: 1fr; }
    .featured-main { min-height: auto; }
    .featured-main-body { padding: 20px; }
    .featured-small img { height: auto; }
    .page-section { padding: 60px 0; }
    .intro-strip, .tools-section, .featured-section, .media-section, .challenges-section { padding-left: 0; padding-right: 0; }
    /* stack property card contents vertically */
    .prop-item { flex-direction: column; align-items: flex-start; }
    .prop-code, .prop-desc { width: 100%; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: clamp(3rem, 10vw, 6rem); }
    .hero-desc { font-size: 0.9rem; }
    .btn { padding: 10px 20px; font-size: 0.9rem; }
    .section-header { flex-direction: column; align-items: flex-start; }
    .section-number { display: none; }
    .footer-info-left, .footer-author { width: 100%; }
    /* ensure no extra horizontal scroll from elements with padding/margin */
    body, html { padding: 0; margin: 0; }
    .intro-strip, .page-section, .tools-section, .media-section, .featured-section { padding-left: 20px; padding-right: 20px; }
}

.media-text p { font-size: 0.95rem; color: rgba(255,255,255,0.6); line-height: 1.85; }
.video-wrapper { border-radius: 10px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,0.4); aspect-ratio: 16/9; }
.video-wrapper iframe { width: 100%; height: 100%; border: none; display: block; }

/* ─── CHALLENGES ─── */
.challenges-section { background: var(--cream); padding: 100px 60px; }
.challenges-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 16px; }
.challenge-card { background: #fff; border-radius: 8px; padding: 36px 28px; border: 1px solid rgba(0,0,0,0.06); transition: all 0.35s ease; position: relative; overflow: hidden; min-width: 240px; }
.challenge-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease; }
.challenge-card:hover { box-shadow: 0 20px 50px rgba(0,0,0,0.1); transform: translateY(-4px); }
.challenge-card:hover::before { transform: scaleX(1); }
.challenge-num { font-family: var(--font-display); font-size: 3.5rem; color: rgba(0,0,0,0.06); line-height: 1; margin-bottom: 16px; }
.challenge-card h3 { font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 12px; color: var(--ink); }
.challenge-card p { font-size: 0.85rem; color: #666; line-height: 1.65; margin-bottom: 20px; }

/* force single column on very narrow screens */
@media (max-width: 480px) {
    .challenges-grid { grid-template-columns: 1fr !important; }
    .challenge-card { padding: 24px 16px; }
    .challenge-num { font-size: 2.5rem; }
}

/* center generic text containers */
.hero-text, .intro-strip, .tools-text, .media-text, .featured-main-body, .featured-small-body, .footer-brand, .footer-info-left {
    text-align: center;
}

.challenge-link { display: inline-flex; align-items: center; gap: 8px; color: var(--teal); text-decoration: none; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; transition: gap 0.25s ease; }
.challenge-link:hover { gap: 14px; color: var(--ink); }

/* ════ FOOTER ════ */
.main-footer { background: var(--ink); padding: 80px 60px 40px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 60px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 40px; }
.footer-brand h2 { font-family: var(--font-display); font-size: 3rem; color: #fff; letter-spacing: 0.05em; line-height: 1; margin-bottom: 16px; }
.footer-brand h2 span { color: var(--gold); display: block; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.4); line-height: 1.75; max-width: 300px; }
.footer-col h4 { font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.88rem; transition: color 0.2s ease; }
.footer-col a:hover { color: #fff; }

.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 10px; }
.footer-info-left { text-align: center; flex: 1; }
.footer-back-btn { margin-top: 20px; font-size: 0.9rem; }
.author-yt-link { text-decoration: none; color: #FF0000; display: block; font-size: 0.9em; margin: 4px 0; transition: transform 0.2s ease; }
.author-yt-link:hover { transform: translateX(4px); }
.footer-mini-video { width: 100%; max-width: 140px; border-radius: 6px; margin: 8px 0; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
.footer-info-left p { font-size: 0.8rem; color: rgba(255,255,255,0.25); margin: 4px 0; }
.footer-author { display: flex; align-items: center; gap: 14px; }

/* ✅ FOTO OVALADA */
.author-avatar { width: 55px; height: 75px; border-radius: 50%; overflow: hidden; border: 3px solid var(--gold); box-shadow: 0 0 18px rgba(201,168,76,0.45); flex-shrink: 0; }
.author-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.author-info { display: flex; flex-direction: column; }
.author-info span { display: block; font-family: var(--font-serif); font-size: 1rem; color: rgba(255,255,255,0.9); }
.author-info small { display: block; margin-top: 4px; font-size: 0.75rem; color: rgba(255,255,255,0.35); }

/* ─── ANIMACIONES ─── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}
.hero-text > * { animation: fadeUp 0.8s ease forwards; opacity: 0; }
.hero-badge  { animation-delay: 0.1s; }
.hero h1     { animation-delay: 0.25s; }
.hero-desc   { animation-delay: 0.4s; }
.hero-stats  { animation-delay: 0.55s; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
    .concepts-grid { grid-template-columns: repeat(2, 1fr); }
}