/* === Tokens === */
:root {
  --color-primary: #0F766E;
  --color-secondary: #14B8A6;
  --color-accent: #0369A1;
  --color-neutral-dark: #134E4A;
  --color-neutral-light: #F0FDFA;
  --color-text: #0f2624;
  --color-muted: #4b6764;
  --color-border: rgba(19, 78, 74, 0.12);
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius-lg: 24px;
  --radius-md: 12px;
  --shadow-card: 0 30px 60px -30px rgba(19, 78, 74, 0.35);
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); color: var(--color-text); background: #fafcfb; line-height: 1.6; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-neutral-dark); font-weight: 600; letter-spacing: -0.01em; margin: 0 0 .75em; }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); line-height: 1.1; }
h2 { font-size: clamp(1.65rem, 3vw, 2.25rem); line-height: 1.2; }
h3 { font-size: 1.25rem; line-height: 1.3; }
p { margin: 0 0 1em; }

/* === Layout === */
.container { width: 100%; max-width: 1160px; margin-inline: auto; padding-inline: 1.25rem; }
.narrow { max-width: 720px; margin-inline: auto; }

/* === Header === */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--color-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: .75rem; gap: 1rem; }
.logo img { height: 72px; width: auto; }
.primary-nav { display: none; flex-direction: column; gap: .25rem; }
.primary-nav a { color: var(--color-neutral-dark); font-weight: 500; padding: .5rem 0; font-size: .95rem; }
.primary-nav a[aria-current="page"] { color: var(--color-primary); }
.primary-nav.is-open { display: flex; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 1rem 1.25rem; border-bottom: 1px solid var(--color-border); box-shadow: 0 10px 30px -20px rgba(0,0,0,0.2); }
.nav-toggle { display: inline-flex; flex-direction: column; gap: 4px; background: transparent; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-neutral-dark); border-radius: 2px; }

@media (min-width: 900px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav { display: flex; flex-direction: row; gap: 1.75rem; position: static; padding: 0; background: transparent; border: 0; box-shadow: none; }
}

/* === Hero card === */
.hero { padding-block: 3rem 4rem; background: linear-gradient(160deg, var(--color-neutral-light) 0%, #fafcfb 60%); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 40% at 20% 10%, rgba(20,184,166,0.15), transparent 70%); pointer-events: none; }
.hero-card__box { position: relative; max-width: 880px; margin-inline: auto; padding: 2.5rem 1.75rem; background: #ffffff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); border: 1px solid var(--color-border); }
.hero-card__box .eyebrow { font-family: var(--font-body); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: var(--color-primary); font-weight: 600; margin: 0 0 1rem; }
.hero__sub { font-size: 1.1rem; color: var(--color-muted); max-width: 55ch; margin-bottom: 1.75rem; }
.hero-card__figure { margin: 2rem 0 0; border-radius: var(--radius-md); overflow: hidden; }
.hero-card__figure img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; }

@media (min-width: 768px) {
  .hero { padding-block: 5rem 6rem; }
  .hero-card__box { padding: 4rem; }
}

/* === Buttons === */
.btn { display: inline-block; padding: .85rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: 1rem; text-decoration: none; transition: transform .2s, box-shadow .2s; border: 0; cursor: pointer; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-neutral-dark); box-shadow: 0 10px 20px -10px rgba(15,118,110,0.5); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: #024b7a; box-shadow: 0 10px 20px -10px rgba(3,105,161,0.5); }

/* === Sections === */
.section { padding-block: 3rem; }
@media (min-width: 768px) { .section { padding-block: 5rem; } }
.section-head { text-align: center; margin-bottom: 2.5rem; }
.section-head p.lede { color: var(--color-muted); max-width: 60ch; margin-inline: auto; }
.section-intro h2, .section-intro p { max-width: 60ch; }
.section-intro { text-align: left; }
.section-intro .lede { font-size: 1.15rem; color: var(--color-muted); }
.eyebrow { font-family: var(--font-body); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: var(--color-primary); font-weight: 600; }

/* === Grid === */
.grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 1.75rem; transition: transform .2s, box-shadow .2s; }
.card h3 { margin-top: .5rem; }
.card p { color: var(--color-muted); margin: 0; }
.card .icon { width: 32px; height: 32px; color: var(--color-primary); margin-bottom: .5rem; }
.card-link { color: inherit; text-decoration: none; display: block; }
.card-link:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 20px 40px -25px rgba(19,78,74,0.35); }

/* === Quote === */
.section-quote { background: var(--color-neutral-light); }
.section-quote blockquote { margin: 0; text-align: center; }
.section-quote blockquote p { font-family: var(--font-heading); font-size: clamp(1.25rem, 2.5vw, 1.65rem); line-height: 1.4; color: var(--color-neutral-dark); }
.section-quote cite { display: block; margin-top: 1.25rem; font-style: normal; color: var(--color-muted); font-size: .95rem; }

/* === CTA band === */
.cta-band { background: var(--color-primary); color: #fff; padding-block: 3rem; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); max-width: 55ch; margin-inline: auto; }

/* === FAQ === */
.section-faq details { border-top: 1px solid var(--color-border); padding: 1rem 0; }
.section-faq details:last-of-type { border-bottom: 1px solid var(--color-border); }
.section-faq summary { cursor: pointer; font-weight: 600; font-family: var(--font-heading); font-size: 1.15rem; color: var(--color-neutral-dark); list-style: none; padding-right: 2rem; position: relative; }
.section-faq summary::-webkit-details-marker { display: none; }
.section-faq summary::after { content: "+"; position: absolute; right: 0; top: 0; font-size: 1.5rem; line-height: 1; color: var(--color-primary); }
.section-faq details[open] summary::after { content: "−"; }
.section-faq details p { margin-top: .75rem; color: var(--color-muted); }

/* === Contact form === */
.contact-form { display: grid; gap: 1.25rem; }
.contact-form label { display: grid; gap: .35rem; font-weight: 500; color: var(--color-neutral-dark); font-size: .95rem; }
.contact-form input, .contact-form textarea { font: inherit; padding: .75rem .9rem; border: 1px solid var(--color-border); border-radius: 8px; background: #fff; color: var(--color-text); }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; border-color: var(--color-primary); }
.form-consent { display: flex; flex-direction: row; align-items: flex-start; gap: .6rem; font-size: .875rem; font-weight: 400; color: var(--color-muted); }
.form-consent input { margin-top: .2rem; }
.section-form .btn { justify-self: start; }
.section-cta { text-align: center; margin-top: 2rem; }

/* === Article detail === */
.article-detail { max-width: 65ch; margin-inline: auto; padding: 3rem 1rem 4rem; }
.article-detail header { margin-bottom: 1.5rem; }
.article-detail h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; margin-bottom: 1.25rem; }
.article-detail .eyebrow { display: block; margin-bottom: 1rem; }
.article-detail .article-sub { font-size: 1.2rem; color: var(--color-muted); line-height: 1.5; }
.article-hero { margin: 2rem 0; border-radius: 8px; overflow: hidden; }
.article-hero img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.article-detail h2 { margin-top: 2.5rem; font-size: 1.65rem; }
.article-detail p { font-size: 1.125rem; line-height: 1.75; margin-block: 1.25rem; color: #1f3835; }
.article-footer { margin-top: 3rem; border-top: 1px solid var(--color-border); padding-top: 1.5rem; }
.back-link { font-weight: 600; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: #d8ece8; padding: 3rem 0 1.5rem; margin-top: 2rem; }
.site-footer a { color: #d8ece8; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
.site-footer .logo img { height: 64px; filter: brightness(0) invert(1); }
.site-footer .tagline { color: rgba(255,255,255,0.7); font-size: .9rem; margin-top: .75rem; }
.site-footer h3 { color: #fff; font-family: var(--font-body); font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 .75rem; }
.site-footer nav a { display: block; padding: .25rem 0; font-size: .95rem; }
.site-footer address { font-style: normal; font-size: .95rem; line-height: 1.7; }
.legal-nav { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.legal-nav a { font-size: .85rem; }
.copyright { border-top: 1px solid rgba(255,255,255,0.15); margin-top: 2rem; padding-top: 1.25rem; font-size: .85rem; color: rgba(255,255,255,0.6); text-align: center; }

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1.2fr; gap: 3rem; }
}

/* === Cookie banner === */
.cookie-banner { position: fixed; left: 1rem; right: 1rem; bottom: 1rem; display: none; z-index: 9999; background: var(--color-neutral-dark); color: var(--color-neutral-light); padding: 1.25rem 1.5rem; border-radius: var(--radius-md); box-shadow: 0 20px 60px -20px rgba(0,0,0,0.4); max-width: 720px; margin-inline: auto; }
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: .9rem; line-height: 1.5; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.cookie-banner button { font: inherit; font-size: .85rem; padding: .5rem 1rem; border-radius: 999px; border: 1px solid rgba(255,255,255,0.3); background: transparent; color: var(--color-neutral-light); cursor: pointer; }
.cookie-banner button[data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.cookie-banner button:hover { background: rgba(255,255,255,0.1); }
.cookie-banner button[data-cookie-accept]:hover { background: #024b7a; }
.cookie-banner__prefs { display: flex; flex-direction: column; gap: .5rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.15); }
.cookie-banner__prefs label { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
.cookie-banner__prefs button { align-self: flex-start; margin-top: .5rem; background: var(--color-primary); border-color: var(--color-primary); color: #fff; }