/* ================================================================
   CONSERVATORIO DE ARTES SCARAMUZZA — Premium CSS
   Paleta: Azul #2B3BB8 · Profundo #0E1856 · Dorado #C8960C
   ================================================================ */

:root {
    --blue:        #2B3BB8;
    --blue-dark:   #1A2899;
    --blue-deep:   #0E1856;
    --blue-deeper: #060D3A;
    --gold:        #C8960C;
    --gold-light:  #E8B820;
    --gold-pale:   rgba(200,150,12,.12);
    --white:       #FFFFFF;
    --off-white:   #F8F7F2;
    --text:        #1A1A2E;
    --text-mid:    #4A4A6A;
    --text-light:  rgba(255,255,255,.75);
    --shadow-sm:   0 2px 12px rgba(6,13,58,.10);
    --shadow-md:   0 6px 32px rgba(6,13,58,.16);
    --shadow-lg:   0 16px 64px rgba(6,13,58,.22);
    --radius:      4px;
    --tr:          all .3s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Lato', sans-serif; color: var(--text); background: var(--white); overflow-x: hidden; }
img  { max-width: 100%; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5 { font-family: 'Playfair Display', serif; line-height: 1.15; }
h1 { font-size: clamp(2.6rem, 5.5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.15rem; }
p  { line-height: 1.9; color: var(--text-mid); }

/* ── Utilities ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.text-gold  { color: var(--gold); }
.light      { color: var(--white) !important; }
.section    { padding: 110px 0; }
.dark-section { background: var(--blue-deeper); }
.dark-section p { color: rgba(255,255,255,.65); }

.eyebrow-label {
    display: inline-block;
    font-size: .72rem;
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 14px;
}
.eyebrow-label.light { color: var(--gold-light); }

.section-header { text-align: center; margin-bottom: 72px; }
.section-header h2 { margin: 6px 0 16px; }
.section-sub { max-width: 560px; margin: 0 auto; font-size: 1.05rem; }

.divider-gold {
    width: 48px; height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    margin: 22px 0 28px; border-radius: 2px;
}

/* ── Reveal animations ── */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .2s; }
.reveal:nth-child(4) { transition-delay: .3s; }

/* ================================================================
   TOPBAR
   ================================================================ */
.topbar {
    background: var(--blue-deeper);
    padding: 9px 0;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .3px;
    position: relative; z-index: 200;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }
.topbar-left  { color: rgba(255,255,255,.5); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-right a { color: rgba(255,255,255,.6); transition: var(--tr); }
.topbar-right a:hover { color: var(--gold-light); }
.topbar-sep   { color: rgba(255,255,255,.2); }

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
    position: sticky; top: 0; z-index: 100;
    background: var(--white);
    border-bottom: 1px solid rgba(14,24,86,.08);
    box-shadow: var(--shadow-sm);
    transition: var(--tr);
}
.navbar.floating {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex; align-items: center;
    justify-content: space-between; gap: 20px;
    height: 70px;
}

.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 48px; width: 48px; object-fit: contain; }
.nav-brand-text { display: flex; flex-direction: column; }
.nav-brand-text strong {
    font-family: 'Playfair Display', serif;
    font-size: 1rem; color: var(--blue-deep); line-height: 1.2;
}
.nav-brand-text span { font-size: .72rem; color: var(--text-mid); letter-spacing: 1px; text-transform: uppercase; }

.nav-links { display: flex; gap: 36px; }
.nav-links a {
    font-size: .82rem; font-weight: 700;
    letter-spacing: .8px; text-transform: uppercase;
    color: var(--text-mid);
    transition: var(--tr);
    position: relative; padding: 4px 0;
}
.nav-links a::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
    background: var(--gold);
    transform: scaleX(0); transform-origin: left;
    transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 14px; }

.btn-nav-cta {
    padding: 10px 24px;
    background: var(--blue);
    color: var(--white);
    font-weight: 700; font-size: .8rem;
    letter-spacing: .8px; text-transform: uppercase;
    border-radius: var(--radius);
    transition: var(--tr);
    box-shadow: 0 4px 16px rgba(43,59,184,.3);
}
.btn-nav-cta:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(43,59,184,.4); }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 6px; width: 36px;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: var(--tr); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================================================================
   HERO — PARALLAX
   ================================================================ */
.hero {
    position: relative;
    min-height: 94vh;
    display: flex; align-items: center;
    overflow: hidden;
}

.hero-parallax-bg {
    position: absolute; inset: -30%;
    background:
        linear-gradient(160deg, var(--blue-deeper) 0%, var(--blue-deep) 45%, var(--blue) 100%);
    background-size: 200% 200%;
    will-change: transform;
}

/* Musical staff decorative lines */
.hero-parallax-bg::before {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px, transparent 58px,
        rgba(255,255,255,.04) 58px, rgba(255,255,255,.04) 60px
    );
}
.hero-parallax-bg::after {
    content: '';
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 80% 40%, rgba(43,59,184,.4) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 10% 70%, rgba(200,150,12,.08) 0%, transparent 60%);
}

.hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40z'/%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative; z-index: 2;
    padding: 140px 32px 120px;
    max-width: 780px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: .78rem; font-weight: 900;
    letter-spacing: 4px; text-transform: uppercase;
    color: var(--gold-light);
    margin-bottom: 24px;
    padding: 8px 18px;
    border: 1px solid rgba(232,184,32,.25);
    border-radius: 2px;
    background: rgba(232,184,32,.06);
}

.hero-title {
    color: var(--white);
    margin-bottom: 24px;
    font-weight: 700;
    text-shadow: 0 4px 32px rgba(0,0,0,.3);
    line-height: 1.08;
}
.hero-title em { font-style: italic; color: var(--gold-light); }

.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.18rem);
    color: rgba(255,255,255,.72);
    margin-bottom: 44px;
    line-height: 1.85;
    max-width: 560px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-hero-primary {
    display: inline-block;
    padding: 16px 40px;
    background: var(--gold);
    color: var(--white);
    font-weight: 700; font-size: .9rem;
    letter-spacing: 1px; text-transform: uppercase;
    border-radius: var(--radius);
    transition: var(--tr);
    box-shadow: 0 6px 28px rgba(200,150,12,.45);
}
.btn-hero-primary:hover { background: var(--gold-light); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(200,150,12,.55); }

.btn-hero-ghost {
    display: inline-block;
    padding: 15px 36px;
    color: var(--white);
    font-weight: 700; font-size: .9rem;
    letter-spacing: 1px; text-transform: uppercase;
    border: 2px solid rgba(255,255,255,.35);
    border-radius: var(--radius);
    transition: var(--tr);
}
.btn-hero-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.08); transform: translateY(-4px); }

.hero-scroll-indicator {
    position: absolute; bottom: 36px; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex; flex-direction: column; align-items: center;
}
.scroll-line {
    width: 1px; height: 60px;
    background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent);
    animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown { 0%,100%{ transform:scaleY(1); opacity:.6; } 50%{ transform:scaleY(.5); opacity:1; } }

/* ================================================================
   FEATURE STRIP
   ================================================================ */
.feature-strip {
    background: var(--white);
    border-bottom: 1px solid rgba(14,24,86,.07);
    box-shadow: var(--shadow-md);
    position: relative; z-index: 10;
}

.features-grid {
    display: flex; align-items: stretch;
}

.feature-item {
    flex: 1;
    display: flex; align-items: center; gap: 18px;
    padding: 32px 28px;
    transition: var(--tr);
    cursor: default;
}
.feature-item:hover { background: var(--off-white); }

.feature-icon { font-size: 2.4rem; flex-shrink: 0; }
.feature-text strong { display: block; font-size: 1rem; font-weight: 700; color: var(--blue-deep); margin-bottom: 3px; }
.feature-text span   { font-size: .82rem; color: var(--text-mid); }

.feature-sep { width: 1px; background: rgba(14,24,86,.08); align-self: stretch; }

/* ================================================================
   NOSOTROS — SPLIT
   ================================================================ */
.nosotros { background: var(--off-white); }

.split-layout {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
}

/* Image side */
.split-image { position: relative; }
.image-frame {
    position: relative;
    padding: 20px 20px 40px 0;
}
.image-frame-deco {
    position: absolute; top: 0; left: 0;
    width: 85%; height: 90%;
    border: 3px solid var(--gold);
    border-radius: 2px;
    z-index: 0;
    opacity: .5;
}
.image-placeholder {
    position: relative; z-index: 1;
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue) 100%);
    border-radius: 2px;
    padding: 56px 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    min-height: 380px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 24px;
}
.image-placeholder::before {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px, transparent 28px,
        rgba(255,255,255,.06) 28px, rgba(255,255,255,.06) 30px
    );
}
.logo-display { height: 120px; width: 120px; object-fit: contain; position: relative; z-index: 1; }
.music-lines { display: flex; flex-direction: column; gap: 8px; width: 60%; position: relative; z-index: 1; }
.music-lines span { display: block; height: 1px; background: rgba(255,255,255,.2); }
.music-notes { font-size: 2rem; letter-spacing: 12px; color: rgba(255,255,255,.2); position: relative; z-index: 1; }

.image-badge {
    position: absolute; bottom: 24px; right: 0;
    background: var(--gold);
    color: var(--white);
    padding: 16px 20px; text-align: center;
    box-shadow: var(--shadow-md);
    z-index: 2;
}
.image-badge strong { display: block; font-size: 1.4rem; font-family: 'Playfair Display', serif; }
.image-badge span   { font-size: .72rem; letter-spacing: 2px; text-transform: uppercase; opacity: .85; }

/* Content side */
.split-content h2 { margin: 6px 0 0; }
.split-content > p { margin-bottom: 18px; font-size: 1.02rem; }

.btn-outline {
    display: inline-block; margin-top: 10px;
    padding: 13px 28px;
    border: 2px solid var(--blue);
    color: var(--blue);
    font-weight: 700; font-size: .85rem;
    letter-spacing: .8px; text-transform: uppercase;
    border-radius: var(--radius);
    transition: var(--tr);
}
.btn-outline:hover { background: var(--blue); color: var(--white); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(43,59,184,.3); }

/* ================================================================
   STATS
   ================================================================ */
.stats-section {
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue) 100%);
    padding: 72px 0;
}
.stats-grid {
    display: flex; align-items: center; justify-content: center; gap: 0;
}
.stat-block {
    flex: 1; text-align: center; padding: 20px 40px;
}
.stat-num {
    display: inline;
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.8rem, 5vw, 4rem);
    font-weight: 700; color: var(--white);
    line-height: 1;
}
.stat-plus { font-size: 2rem; color: var(--gold-light); font-weight: 700; vertical-align: super; }
.stat-label { display: block; margin-top: 10px; color: rgba(255,255,255,.55); font-size: .82rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.stat-divider { width: 1px; height: 80px; background: rgba(255,255,255,.12); flex-shrink: 0; }

/* ================================================================
   INSTRUMENTOS
   ================================================================ */
.instrumentos { background: var(--white); }

.inst-grid {
    display: grid; grid-template-columns: repeat(3,1fr);
    gap: 32px;
}

.inst-card {
    background: var(--white);
    border: 1px solid rgba(14,24,86,.08);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--tr);
    position: relative;
    display: flex; flex-direction: column;
    box-shadow: var(--shadow-sm);
}
.inst-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.inst-card.featured { border-color: var(--gold); box-shadow: 0 8px 40px rgba(200,150,12,.18); }

.inst-featured-badge {
    position: absolute; top: 16px; right: 16px;
    background: var(--gold);
    color: var(--white);
    font-size: .68rem; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; padding: 4px 12px; border-radius: 2px;
    z-index: 1;
}

.inst-card-img {
    height: 220px;
    overflow: hidden;
    position: relative;
}
.inst-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform .6s cubic-bezier(.4,0,.2,1);
    display: block;
}
.inst-card:hover .inst-card-img img { transform: scale(1.07); }

.inst-card-img::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, rgba(6,13,58,.5));
    pointer-events: none;
}

.inst-card-body { padding: 28px 28px 16px; flex: 1; }
.inst-card-body h3 { color: var(--blue-deep); margin-bottom: 12px; }
.inst-card-body p  { font-size: .93rem; margin-bottom: 16px; }

.inst-features { display: flex; flex-direction: column; gap: 6px; }
.inst-features li {
    font-size: .82rem; color: var(--text-mid);
    padding: 4px 0; border-bottom: 1px solid rgba(14,24,86,.05);
    display: flex; align-items: center; gap: 8px;
}
.inst-features li::before { content: '♩'; color: var(--gold); }

.inst-card-footer {
    padding: 16px 28px 24px;
    border-top: 1px solid rgba(14,24,86,.06);
}
.inst-link {
    font-size: .82rem; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--blue);
    transition: var(--tr);
    display: inline-flex; align-items: center; gap: 6px;
}
.inst-link:hover { color: var(--gold); gap: 12px; }

/* ================================================================
   PARALLAX QUOTE
   ================================================================ */
.parallax-quote {
    position: relative;
    padding: 120px 0;
    background:
        linear-gradient(135deg, var(--blue-deeper) 0%, var(--blue-deep) 100%);
    background-attachment: fixed;
    overflow: hidden;
}
.parallax-quote::before {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px, transparent 38px,
        rgba(255,255,255,.04) 38px, rgba(255,255,255,.04) 40px
    );
}
.parallax-quote-overlay {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(200,150,12,.07) 0%, transparent 70%);
}
.parallax-quote-content {
    position: relative; z-index: 1;
    text-align: center; max-width: 800px; margin: 0 auto;
}
.quote-mark {
    font-size: 5rem; color: var(--gold); line-height: .8;
    margin-bottom: 24px; opacity: .7;
    font-family: 'Playfair Display', serif;
}
blockquote {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.3rem, 2.5vw, 1.9rem);
    font-style: italic;
    color: rgba(255,255,255,.9);
    line-height: 1.55;
    margin-bottom: 24px;
}
cite { color: var(--gold-light); font-size: .85rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }

/* ================================================================
   VALORES
   ================================================================ */
.valores-grid {
    display: grid; grid-template-columns: repeat(4,1fr);
    gap: 28px;
}
.valor-card {
    padding: 40px 28px;
    border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--tr);
    background: rgba(255,255,255,.03);
    position: relative; overflow: hidden;
}
.valor-card::before {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    transform: scaleX(0); transition: var(--tr);
}
.valor-card:hover { border-color: rgba(200,150,12,.3); transform: translateY(-6px); }
.valor-card:hover::before { transform: scaleX(1); }

.valor-icon-wrap { font-size: 2.8rem; margin-bottom: 20px; }
.valor-card h4 { color: var(--white); margin-bottom: 12px; font-size: 1.05rem; }
.valor-card p  { font-size: .88rem; line-height: 1.75; }

/* ================================================================
   CONTACTO / CTA
   ================================================================ */
.contacto { background: var(--off-white); }

.cta-box {
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue) 100%);
    border-radius: 8px;
    padding: 72px 64px;
    display: flex; flex-direction: column; align-items: center;
    text-align: center;
    position: relative; overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.cta-box::before {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(
        -60deg, transparent, transparent 20px,
        rgba(255,255,255,.02) 20px, rgba(255,255,255,.02) 21px
    );
}
.cta-content { position: relative; z-index: 1; margin-bottom: 36px; }
.cta-content h2 { color: var(--white); margin: 8px 0 14px; }
.cta-content p  { color: rgba(255,255,255,.7); max-width: 500px; }

.cta-links {
    display: flex; gap: 16px; flex-wrap: wrap;
    justify-content: center; position: relative; z-index: 1;
    margin-bottom: 20px;
}
.cta-btn {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 700; font-size: .88rem;
    letter-spacing: .8px; text-transform: uppercase;
    transition: var(--tr);
}
.cta-btn.whatsapp { background: #25D366; color: var(--white); box-shadow: 0 4px 20px rgba(37,211,102,.4); }
.cta-btn.whatsapp:hover { background: #1ebe5d; transform: translateY(-3px); box-shadow: 0 10px 32px rgba(37,211,102,.5); }
.cta-btn.instagram { background: rgba(255,255,255,.1); color: var(--white); border: 1px solid rgba(255,255,255,.25); }
.cta-btn.instagram:hover { background: rgba(255,255,255,.18); transform: translateY(-3px); }
.cta-btn.facebook { background: rgba(255,255,255,.1); color: var(--white); border: 1px solid rgba(255,255,255,.25); }
.cta-btn.facebook:hover { background: rgba(255,255,255,.18); transform: translateY(-3px); }

.cta-info { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; position: relative; z-index: 1; }
.cta-location, .cta-phone { color: rgba(255,255,255,.45); font-size: .88rem; }

/* ================================================================
   FOOTER
   ================================================================ */
.footer { background: var(--blue-deeper); }

.footer-top { padding: 72px 0 48px; border-bottom: 1px solid rgba(255,255,255,.07); }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-col h4, .footer-col h5 {
    color: var(--white);
    margin-bottom: 20px;
}
.footer-col h4 { font-size: 1.05rem; }
.footer-col h5 { font-size: .8rem; letter-spacing: 2px; text-transform: uppercase; font-family: 'Lato', sans-serif; font-weight: 900; }

.footer-col.brand p { color: rgba(255,255,255,.45); font-size: .88rem; margin-bottom: 24px; }

.footer-logo { height: 60px; width: 60px; object-fit: contain; margin-bottom: 16px; }

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { color: rgba(255,255,255,.45); font-size: .88rem; transition: var(--tr); }
.footer-col ul a:hover { color: var(--gold-light); padding-left: 4px; }

.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
    width: 38px; height: 38px; border-radius: 4px;
    background: rgba(255,255,255,.07);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.5); transition: var(--tr);
}
.footer-socials a:hover { background: var(--gold); color: var(--white); }

.footer-bottom { padding: 20px 0; }
.footer-bottom-inner {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 8px;
}
.footer-bottom p { color: rgba(255,255,255,.25); font-size: .78rem; }

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

@media (max-width: 900px) {
    .split-layout { grid-template-columns: 1fr; gap: 48px; }
    .inst-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .features-grid { flex-wrap: wrap; }
    .feature-item { flex: 1 1 45%; }
    .feature-sep { display: none; }
    .stats-grid { flex-wrap: wrap; }
    .stat-divider { display: none; }
    .stat-block { flex: 1 1 30%; }
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .nav-links.open {
        display: flex; flex-direction: column; align-items: center; justify-content: center;
        position: fixed; inset: 0; background: var(--blue-deeper); gap: 36px; z-index: 999;
    }
    .nav-links.open a { font-size: 1.3rem; color: var(--white); letter-spacing: 2px; }
    .cta-box { padding: 48px 32px; }
}

@media (max-width: 640px) {
    .section { padding: 72px 0; }
    .container { padding: 0 20px; }
    .valores-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom-inner { justify-content: center; text-align: center; }
    .hero-content { padding: 120px 20px 100px; }
    .topbar-left { display: none; }
    .split-layout { grid-template-columns: 1fr; }
}