:root {
    --cazu-primary: #0F3F42;
    --cazu-secondary: #0F5559;
    --cazu-support1: #0B3A3D;
    --cazu-support2: #49C5C1;
    --cazu-white: #FFFFFF;
    --cazu-dark: #1A1A1A;
    --surface-base: #F7FBFB;
    --surface-alt: #EEF4F4;
    --surface-card: #FFFFFF;
    --text-primary: #0F3F42;
    --text-secondary: rgba(15, 63, 66, 0.85);
    --text-muted: rgba(15, 63, 66, 0.65);
    --border-soft: rgba(15, 63, 66, 0.16);
    --border-strong: rgba(15, 63, 66, 0.35);
    --font-base: 'Manrope', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-base);
    color: var(--cazu-white);
    background: var(--cazu-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(1200px, 92vw);
    margin: 0 auto;
}

.skip-link {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    background: var(--cazu-support2);
    color: var(--cazu-dark);
    padding: 0.5rem 1rem;
    z-index: -1;
}

.skip-link:focus {
    z-index: 1001;
}

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(15, 63, 66, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 48px;
    width: auto;
    display: block;
}

.header-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.main-nav {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.85);
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    transition: color 0.3s ease, background 0.3s ease;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--cazu-white);
    background: rgba(73, 197, 193, 0.15);
}

.nav-toggle {
    display: none;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.08);
    color: var(--cazu-white);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.nav-toggle-icon {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
}

.nav-toggle-bar {
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 900;
}

.nav-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cazu-secondary), var(--cazu-support2));
    color: var(--cazu-white);
    box-shadow: 0 15px 30px rgba(73, 197, 193, 0.2);
}

.btn-secondary {
    background: rgba(73, 197, 193, 0.15);
    color: var(--cazu-white);
    border: 1px solid rgba(73, 197, 193, 0.6);
}

.btn-ghost {
    background: transparent;
    color: var(--cazu-support2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-login {
    padding: 0.75rem 1.2rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.85);
}

.btn-login:hover,
.btn-login:focus-visible {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.35);
}

.btn:hover {
    transform: translateY(-2px);
}

.hero {
    padding: 8rem 0 4rem;
    background: radial-gradient(circle at top, rgba(73, 197, 193, 0.15), transparent 55%), linear-gradient(120deg, var(--cazu-primary), var(--cazu-support1));
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: center;
}

.tag {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cazu-support2);
}

.hero-text h1 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    margin: 1rem 0;
}

.lead {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
}

.hero-bullets {
    list-style: none;
    margin: 1.5rem 0;
}

.hero-bullets li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.hero-bullets li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--cazu-support2);
}

.hero-media {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 1.5rem;
    backdrop-filter: blur(6px);
    overflow: visible;
}

.hero-logo {
    position: absolute;
    top: -140px;
    left: -60px;
    width: clamp(280px, 32vw, 520px);
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.45));
    pointer-events: none;
}

.hero-main {
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.35);
}

.hero-accent {
    position: absolute;
    width: 45%;
    max-width: 220px;
    bottom: -35px;
    left: 15px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
    background: rgba(0, 0, 0, 0.2);
}

.stat-card {
    position: absolute;
    right: 4rem;
    bottom: -1rem;
    background: var(--cazu-secondary);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.stat-card strong {
    font-size: 2rem;
}

.section {
    padding: 5rem 0;
    background: var(--cazu-dark);
}

.section:nth-of-type(even) {
    background: #111111;
}

.section-head {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-head h2 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.section-head p {
    color: rgba(255, 255, 255, 0.78);
}

.diagnostic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.diagnostic-card {
    border: 1px solid rgba(73, 197, 193, 0.3);
    border-radius: 18px;
    padding: 1.75rem;
    background: rgba(15, 55, 57, 0.6);
    backdrop-filter: blur(4px);
}

.diagnostic-card h3 {
    margin-bottom: 1rem;
    color: var(--cazu-support2);
}

.diagnostic-card ul {
    list-style: none;
}

.diagnostic-card li {
    margin-bottom: 0.5rem;
}

.section-cta {
    margin-top: 2rem;
    text-align: center;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.situation-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 240px;
}

.situation-card .icon {
    font-size: 2rem;
}

.situations-benefit-note { 
    margin-top: 1.2rem;
    padding: .9rem 1rem;
    background:#f7f9fb;
    border-left:4px solid #2b7;
    border-radius:6px; 
}

.benefit-note { margin:0; color:#213; font-weight:600; }

.benefit {
    color: var(--cazu-support2);
    font-weight: 600;
}

.method {
    background: linear-gradient(135deg, rgba(15, 63, 66, 0.9), rgba(11, 58, 61, 0.9));
}

.flowchart {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.flow-step {
    border-radius: 20px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(73, 197, 193, 0.25);
}

.flow-step span {
    display: inline-flex;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    background: var(--cazu-support2);
    color: var(--cazu-dark);
    font-weight: 700;
    margin-bottom: 1rem;
}

.flow-step ul {
    padding-left: 1.25rem;
}

.mindmap {
    background: linear-gradient(120deg, rgba(15, 63, 66, 0.8), rgba(10, 30, 32, 0.9));
}

.mindmap-visual {
    position: relative;
    min-height: 320px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
}

.mindmap-center {
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    background: var(--cazu-support2);
    color: var(--cazu-dark);
    padding: 1.5rem 2rem;
    border-radius: 999px;
    font-weight: 700;
    text-align: center;
}

.mindmap-branch {
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(73, 197, 193, 0.2);
    border-radius: 16px;
    padding: 1rem;
    width: 180px;
    text-align: center;
}

.mindmap-branch:nth-of-type(2) { top: 30px; left: 50%; transform: translateX(-50%); }
.mindmap-branch:nth-of-type(3) { top: 120px; right: 30px; }
.mindmap-branch:nth-of-type(4) { bottom: 40px; right: 60px; }
.mindmap-branch:nth-of-type(5) { bottom: 40px; left: 60px; }
.mindmap-branch:nth-of-type(6) { top: 120px; left: 30px; }

.mindmap-visual::before,
.mindmap-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    border: 1px dashed rgba(73, 197, 193, 0.2);
}

.visual-media {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.visual-media figure {
    margin: 0;
    text-align: center;
    max-width: 420px;
}

.visual-media img {
    width: 100%;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.35);
    background: rgba(0, 0, 0, 0.15);
}

.visual-media figcaption {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
}

.visual-media.stacked figure:nth-child(2) {
    transform: translateY(10px);
}

.visual-media.single img {
    max-width: 520px;
}

.comparison-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.table-col {
    background: rgba(255, 255, 255, 0.04);
    padding: 1.5rem;
    border-radius: 18px;
}

.table-col ul {
    list-style: none;
}

.table-col li {
    margin-bottom: 0.75rem;
}

.chart-item {
    margin-bottom: 1.5rem;
}

.bar {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}

.bar span {
    display: block;
    padding: 0.45rem 1rem;
    background: linear-gradient(90deg, var(--cazu-secondary), var(--cazu-support2));
    border-radius: 999px;
    font-size: 0.9rem;
}

.financing {
    background: #0b2527;
}

.checklist {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.checklist li {
    padding: 1rem 1.25rem 1rem 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    position: relative;
}

.checklist li::before {
    content: '✓';
    position: absolute;
    left: 1rem;
    color: var(--cazu-support2);
}

.highlight-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background: linear-gradient(120deg, rgba(73, 197, 193, 0.2), rgba(15, 85, 89, 0.9));
    border-radius: 28px;
    padding: 2.5rem;
}

.highlight-card ul {
    list-style: none;
    margin-top: 1rem;
}

.highlight-card li {
    margin-bottom: 0.5rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

details {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 18px;
    padding: 1.25rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

details summary {
    cursor: pointer;
    font-weight: 600;
}

details[open] {
    border-color: var(--cazu-support2);
}

.contact {
    background: #071415;
}

.contact-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    align-items: start;
}

.wrap {
    width: 100%;
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.card h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.card .lead {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2rem;
}

#formCazu {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.row {
    display: grid;
    gap: 1rem;
}

.row-3 {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.row-2 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card label {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
}

.field {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
}

.field:focus {
    outline: 2px solid var(--cazu-support2);
}

textarea.field {
    min-height: 120px;
    resize: vertical;
}

.field-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.consent-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.consent-label {
    color: rgba(255, 255, 255, 0.85);
}

.contact-image img {
    width: 100%;
    max-width: 420px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.4);
}

.status {
    min-height: 1.2rem;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.status-global {
    color: rgba(255, 255, 255, 0.75);
}

.status[data-state="success"] {
    color: #69d5d0;
}

.status[data-state="error"] {
    color: #ff6b6b;
}

.status[data-state="info"] {
    color: rgba(255, 255, 255, 0.6);
}

.actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.site-footer {
    background: #050D0E;
    padding: 2.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: space-between;
    font-size: 0.95rem;
}

.footer-note {
    color: rgba(255, 255, 255, 0.6);
}

.whatsapp-floating {
    position: fixed;
    right: 24px;
    bottom: 24px;
    background: #25d366;
    color: #0f0f0f;
    padding: 0.9rem 1.5rem;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
}

.hero-note {
    margin-top: 1rem;
    color: var(--cazu-support2);
    font-weight: 600;
}

/* Light theme overrides */
body.light-theme {
    color: var(--text-primary);
    background: var(--surface-base);
}

body.light-theme .site-header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-soft);
    box-shadow: 0 15px 35px rgba(15, 63, 66, 0.08);
}

body.light-theme .main-nav a {
    color: var(--text-secondary);
}

body.light-theme .main-nav a:hover,
body.light-theme .main-nav a:focus {
    color: var(--cazu-primary);
    background: rgba(73, 197, 193, 0.2);
}

body.light-theme .nav-toggle {
    background: rgba(15, 63, 66, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
}

body.light-theme .nav-toggle:hover,
body.light-theme .nav-toggle:focus-visible {
    background: rgba(15, 63, 66, 0.15);
    border-color: var(--border-strong);
}

body.light-theme .btn-secondary {
    color: var(--cazu-primary);
    background: rgba(73, 197, 193, 0.2);
    border: 1px solid rgba(73, 197, 193, 0.4);
}

body.light-theme .btn-ghost {
    color: var(--cazu-primary);
    border: 1px solid var(--border-soft);
}

body.light-theme .btn-login {
    background: rgba(15, 63, 66, 0.08);
    border: 1px solid rgba(15, 63, 66, 0.2);
    color: var(--text-primary);
}

body.light-theme .btn-login:hover,
body.light-theme .btn-login:focus-visible {
    background: rgba(15, 63, 66, 0.14);
    border-color: rgba(15, 63, 66, 0.35);
}

body.light-theme .hero {
    background: radial-gradient(circle at top, rgba(73, 197, 193, 0.25), transparent 55%), linear-gradient(120deg, #ffffff, #e6f4f3);
}

body.light-theme .lead {
    color: var(--text-secondary);
}

body.light-theme .hero-media {
    background: var(--surface-card);
    border: 1px solid var(--border-soft);
    box-shadow: 0 30px 45px rgba(15, 63, 66, 0.12);
}

body.light-theme .hero-main {
    border-color: var(--border-soft);
    box-shadow: 0 25px 40px rgba(15, 63, 66, 0.15);
}

body.light-theme .hero-accent {
    background: var(--surface-alt);
    border-color: var(--border-soft);
    box-shadow: 0 20px 35px rgba(15, 63, 66, 0.12);
}

body.light-theme .stat-card {
    color: var(--cazu-white);
}

body.light-theme .section {
    background: var(--surface-base);
}

body.light-theme .section:nth-of-type(even) {
    background: var(--surface-alt);
}

body.light-theme .section-head p {
    color: var(--text-muted);
}

body.light-theme .diagnostic-card,
body.light-theme .situation-card,
body.light-theme .flow-step,
body.light-theme .table-col,
body.light-theme .card {
    background: var(--surface-card);
    border: 1px solid var(--border-soft);
    box-shadow: 0 18px 35px rgba(15, 63, 66, 0.08);
}

body.light-theme .method {
    background: linear-gradient(135deg, rgba(73, 197, 193, 0.2), rgba(15, 63, 66, 0.12));
}

body.light-theme .mindmap {
    background: linear-gradient(120deg, #f4fbfb, #e6f4f3);
}

body.light-theme .mindmap-visual {
    background: var(--surface-card);
    border: 1px solid rgba(73, 197, 193, 0.2);
    box-shadow: 0 20px 35px rgba(15, 63, 66, 0.08);
}

body.light-theme .mindmap-branch {
    background: var(--surface-base);
    border-color: var(--border-soft);
}

body.light-theme .visual-media img,
body.light-theme .contact-image img {
    border-color: var(--border-soft);
    background: var(--surface-card);
    box-shadow: 0 25px 45px rgba(15, 63, 66, 0.12);
}

body.light-theme .visual-media figcaption {
    color: var(--text-muted);
}

body.light-theme .bar {
    background: rgba(15, 63, 66, 0.12);
}

body.light-theme .bar span {
    color: var(--cazu-white);
}

body.light-theme .financing {
    background: #e5f5f4;
}

body.light-theme .checklist li,
body.light-theme details {
    background: var(--surface-card);
    border: 1px solid var(--border-soft);
}

body.light-theme details[open] {
    border-color: var(--cazu-support2);
}

body.light-theme .highlight-card {
    background: linear-gradient(120deg, rgba(73, 197, 193, 0.35), rgba(15, 85, 89, 0.15));
    color: var(--text-primary);
}

body.light-theme .contact {
    background: var(--surface-alt);
}

body.light-theme .card .lead,
body.light-theme .status-global,
body.light-theme .status[data-state="info"] {
    color: var(--text-secondary);
}

body.light-theme .card label,
body.light-theme .consent-label {
    color: var(--text-primary);
}

body.light-theme .field {
    border: 1px solid var(--border-soft);
    background: var(--surface-card);
    color: var(--text-primary);
}

body.light-theme .field::placeholder {
    color: var(--text-muted);
}

body.light-theme .field-hint {
    color: var(--text-muted);
}

body.light-theme .site-footer {
    background: var(--cazu-white);
    border-top: 1px solid var(--border-soft);
    color: var(--text-primary);
}

body.light-theme .footer-note {
    color: var(--text-muted);
}

@media (max-width: 960px) {
    .header-content {
        flex-wrap: wrap;
    }

    .main-nav {
        width: 100%;
        justify-content: space-between;
    }

    .mindmap-visual {
        display: grid;
        gap: 1rem;
        position: relative;
        min-height: auto;
    }

    .mindmap-center,
    .mindmap-branch {
        position: static;
        transform: none;
        width: 100%;
    }

    .highlight-card {
        flex-direction: column;
    }

    .hero-accent {
        position: static;
        width: 70%;
        margin-top: 1rem;
    }

    .hero-logo {
        position: static;
        width: min(320px, 80%);
        margin: 0 auto 1rem;
        display: block;
    }
}

@media (max-width: 640px) {
    .main-nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero {
        padding-top: 6rem;
    }

    .card {
        padding: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section, .hero, .site-header {
    animation: fadeUp 0.6s ease both;
}

.sr-only {
    position:absolute!important;
    width:1px;
    height:1px;
    padding:0;
    margin:-1px;
    overflow:hidden;
    clip:rect(0,0,0,0);
    white-space:nowrap;
    border:0;
}

@media (max-width: 768px) {
    .site-header {
        padding: 0.4rem 0;
    }

    .header-content {
        gap: 0.5rem;
    }

    .logo-img {
        height: 30px;
        width: auto;
    }

    .header-actions {
        gap: 0.4rem;
        flex-wrap: wrap;
    }

    .header-actions .btn {
        padding: 0.35rem 0.9rem;
        font-size: 0.85rem;
        border-radius: 0.55rem;
    }

    .hero {
        padding-top: 1.25rem;
    }
}