/* Sidesplittingly WL7 - Creative Communication & Brand Expression Studio
   Mobile-first, Core Web Vitals optimised */

:root {
    --colour-bg: #faf9f7;
    --colour-surface: #ffffff;
    --colour-text: #1a1a1a;
    --colour-text-muted: #5c5c5c;
    --colour-accent: #2d4a3e;
    --colour-accent-light: #3d5f50;
    --colour-border: #e8e6e3;
    --font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-serif: "DM Serif Display", Georgia, "Times New Roman", serif;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --radius: 6px;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--colour-text);
    background: var(--colour-bg);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}
img[loading="lazy"] { content-visibility: auto; }

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 var(--space-md); }
h2 { font-size: clamp(1.75rem, 4vw, 2.25rem); margin: 0 0 var(--space-sm); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); margin: 0 0 var(--space-xs); }
p { margin: 0 0 var(--space-sm); color: var(--colour-text-muted); }
a { color: var(--colour-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--colour-accent-light); }

/* Layout */
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 var(--space-md); }
.section { padding: var(--space-3xl) 0; }
.section--alt { background: var(--colour-surface); }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250,249,247,0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--colour-border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.site-logo { height: 40px; width: auto; }
.site-nav { display: flex; gap: var(--space-lg); flex-wrap: wrap; align-items: center; }
.site-nav a { font-size: 0.9375rem; color: var(--colour-text); font-weight: 500; }
.site-nav a:hover { color: var(--colour-accent); }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}
.nav-toggle::before {
    content: "";
    display: block;
    width: 24px;
    height: 2px;
    background: var(--colour-text);
    box-shadow: 0 7px 0 var(--colour-text), 0 14px 0 var(--colour-text);
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--colour-surface); flex-direction: column; padding: var(--space-md); box-shadow: var(--shadow); }
    .site-nav.is-open { display: flex; }
}

/* Hero */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--colour-bg) linear-gradient(180deg, rgba(45,74,62,0.03) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}
.hero__media {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.hero__content { position: relative; z-index: 1; padding: var(--space-xl) var(--space-md); }
.hero__title { color: var(--colour-text); }
.hero__lead { font-size: 1.125rem; max-width: 560px; margin-left: auto; margin-right: auto; }
.hero .btn { margin-top: var(--space-md); }

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--colour-surface);
    background: var(--colour-accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}
.btn:hover { background: var(--colour-accent-light); color: var(--colour-surface); transform: translateY(-1px); }
.btn--outline { background: transparent; color: var(--colour-accent); border: 2px solid var(--colour-accent); }
.btn--outline:hover { background: var(--colour-accent); color: var(--colour-surface); }

/* Page banner (inner pages) */
.page-banner {
    padding: var(--space-3xl) 0;
    text-align: center;
    background: var(--colour-bg);
    position: relative;
}
.page-banner__img {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.page-banner__img img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.page-banner__content { position: relative; z-index: 1; }
.page-banner h1 { margin-bottom: var(--space-xs); }
.breadcrumb { font-size: 0.875rem; color: var(--colour-text-muted); margin-bottom: var(--space-sm); }
.breadcrumb a { color: var(--colour-text-muted); }
.breadcrumb a:hover { color: var(--colour-accent); }
.breadcrumb span { margin: 0 0.35em; }

/* Cards */
.card-grid { display: grid; gap: var(--space-lg); }
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }
.card {
    background: var(--colour-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.card__img { aspect-ratio: 16/10; overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding: var(--space-md); }
.card__title { margin-bottom: var(--space-xs); }
.card__text { font-size: 0.9375rem; }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--colour-border); padding: var(--space-md) 0; }
.faq-item:first-child { padding-top: 0; }
.faq-q { font-weight: 600; color: var(--colour-text); margin-bottom: var(--space-xs); }
.faq-a { font-size: 0.9375rem; color: var(--colour-text-muted); margin: 0; }

/* Testimonials */
.testimonial { text-align: center; max-width: 640px; margin: 0 auto; }
.testimonial__quote { font-family: var(--font-serif); font-size: 1.25rem; font-style: italic; color: var(--colour-text); margin-bottom: var(--space-md); }
.testimonial__author { font-weight: 600; color: var(--colour-accent); }
.testimonial__role { font-size: 0.875rem; color: var(--colour-text-muted); }

/* Contact */
.contact-form { max-width: 520px; }
.form-group { margin-bottom: var(--space-md); }
.form-group label { display: block; font-weight: 500; margin-bottom: var(--space-xs); color: var(--colour-text); }
.form-group input, .form-group textarea {
    width: 100%;
    padding: var(--space-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius);
    background: var(--colour-surface);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--colour-accent); box-shadow: 0 0 0 3px rgba(45,74,62,0.1); }

/* Footer */
.site-footer {
    background: var(--colour-text);
    color: var(--colour-surface);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: var(--space-3xl);
}
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: #fff; }
.site-footer p { color: rgba(255,255,255,0.7); font-size: 0.9375rem; margin-bottom: var(--space-sm); }
.footer-grid { display: grid; gap: var(--space-lg); margin-bottom: var(--space-xl); }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }
.footer-bottom { padding-top: var(--space-lg); border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.875rem; color: rgba(255,255,255,0.6); }

/* Lists (e.g. privacy policy) */
ul, ol { margin: 0 0 var(--space-sm); padding-left: 1.5rem; color: var(--colour-text-muted); }
li { margin-bottom: 0.25rem; }

/* Utilities */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }