/* Oak Valley Tree Service — brand tokens and components
   Tailwind handles layout/spacing; this file carries the brand palette,
   typography, buttons, form fields and a few effects utilities cannot express. */

:root {
    --forest-900: #0e2a20;
    --forest-800: #133728;
    --forest-700: #1a4a35;
    --forest-600: #22634a;
    --moss: #7d9a76;
    --moss-100: #e9efe4;
    --cream-50: #fbf9f4;
    --cream-100: #f5f0e6;
    --cream-200: #e6ddcb;
    --ink: #1c1a17;
    --bark: #3a3129;
    --clay-200: #f0dcbe;
    --clay-300: #e7c69b;
    --clay-400: #d3a469;
    --clay-500: #bd8440;
    --clay-600: #96662a;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.font-display {
    font-family: "Iowan Old Style", "Palatino Linotype", Georgia, ui-serif, serif;
    font-feature-settings: "liga" 1;
    letter-spacing: -0.01em;
}

/* Anchor targets clear the sticky header */
[id] {
    scroll-margin-top: 6rem;
}

/* Palette utilities */
.bg-forest-900 { background-color: var(--forest-900); }
.bg-forest-800 { background-color: var(--forest-800); }
.bg-forest-700 { background-color: var(--forest-700); }
.bg-cream-50 { background-color: var(--cream-50); }
.bg-cream-100 { background-color: var(--cream-100); }
.bg-cream-200 { background-color: var(--cream-200); }
.bg-moss-100 { background-color: var(--moss-100); }
.bg-clay-500 { background-color: var(--clay-500); }
.bg-clay-200 { background-color: var(--clay-200); }
.bg-ink { background-color: var(--ink); }

.text-cream-50 { color: var(--cream-50); }
.text-cream-100 { color: var(--cream-100); }
.text-ink { color: var(--ink); }
.text-bark { color: var(--bark); }
.text-forest-900 { color: var(--forest-900); }
.text-forest-800 { color: var(--forest-800); }
.text-forest-700 { color: var(--forest-700); }
.text-moss { color: #5f7a59; }
.text-clay-300 { color: var(--clay-300); }
.text-clay-400 { color: var(--clay-400); }
.text-clay-500 { color: var(--clay-500); }
.text-clay-600 { color: var(--clay-600); }

.border-cream-200 { border-color: var(--cream-200); }
.border-clay-500 { border-color: var(--clay-500); }
.border-forest-800 { border-color: var(--forest-800); }

/* Hero media: the photo is darkened at the source so overlaid text stays legible */
.hero-img {
    filter: brightness(0.5) saturate(0.85);
}

.hero-scrim {
    background-color: rgba(9, 27, 20, 0.74);
    background-image: linear-gradient(to bottom right, rgba(9, 27, 20, 0.94), rgba(9, 27, 20, 0.8) 45%, rgba(9, 27, 20, 0.62));
}

/* Home header: transparent over the light page at rest, solid cream surface once it sticks */
.site-header {
    background-color: transparent;
    transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-stuck {
    background-color: rgba(251, 249, 244, 0.96);
    border-color: var(--cream-200);
    box-shadow: 0 18px 32px -30px rgba(28, 26, 23, 0.75);
}

/* Sticky nav and mobile action bar: solid surface, never translucent over photos */
.nav-surface {
    background-color: rgba(9, 27, 20, 0.98);
}

.eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--clay-600);
}

.eyebrow-light {
    color: var(--clay-300);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    border-radius: 9999px;
    padding: 0.95rem 1.6rem;
    font-size: 0.86rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.1;
    transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background-color: var(--clay-500);
    color: var(--forest-900);
    box-shadow: 0 10px 24px -12px rgba(14, 42, 32, 0.75);
}

.btn-primary:hover { background-color: var(--clay-400); }

.btn-forest {
    background-color: var(--forest-800);
    color: var(--cream-50);
}

.btn-forest:hover { background-color: var(--forest-700); }

.btn-outline-light {
    border: 2px solid rgba(251, 249, 244, 0.55);
    color: var(--cream-50);
}

.btn-outline-light:hover {
    border-color: var(--cream-50);
    background-color: rgba(251, 249, 244, 0.1);
}

.btn-outline-dark {
    border: 2px solid var(--forest-800);
    color: var(--forest-800);
}

.btn-outline-dark:hover {
    background-color: var(--forest-800);
    color: var(--cream-50);
}

/* Cards */
.card {
    border-radius: 1.25rem;
    background-color: #ffffff;
    border: 1px solid var(--cream-200);
    box-shadow: 0 24px 48px -36px rgba(28, 26, 23, 0.45);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--clay-300);
    box-shadow: 0 32px 56px -32px rgba(28, 26, 23, 0.4);
}

/* Form */
.field {
    width: 100%;
    border-radius: 0.85rem;
    border: 1px solid var(--cream-200);
    background-color: #ffffff;
    padding: 0.85rem 1rem;
    font-size: 1rem;
    color: var(--ink);
}

.field::placeholder { color: #9a938a; }

.field:focus {
    outline: none;
    border-color: var(--clay-500);
    box-shadow: 0 0 0 3px rgba(189, 132, 64, 0.35);
}

.field-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--bark);
}

/* Motion: one restrained entrance, disabled for reduced motion */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--clay-500);
    outline-offset: 2px;
}

details > summary {
    cursor: pointer;
    list-style: none;
}

details > summary::-webkit-details-marker { display: none; }

details[open] .faq-icon { transform: rotate(45deg); }

.faq-icon { transition: transform 0.2s ease; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .card:hover,
    .btn:hover { transform: none; }
}