/* Hummingbird Tracker — base styles
   Restyled to the "Track Hummingbirds" green design system.
   Mobile-first, custom (no framework), CSS custom properties.
   NOTE: variable names and utility class names are kept stable so map.css,
   community.css, and all existing pages inherit the new look automatically. */

:root {
    /* Brand palette (from the approved design) */
    --color-primary:   #0b8b4f;  /* green */
    --color-primary-d: #097a45;  /* green hover */
    --color-deep:      #073f35;  /* deep forest */
    --color-accent:    #e11d74;  /* ruby-throat accent (likes / report) */

    --color-text:      #10232f;
    --color-muted:     #677682;
    --color-border:    #e8eeea;
    --color-bg:        #ffffff;
    --color-surface:   #ffffff;
    --color-cream:     #f7fbf7;

    --color-success:   #1b7b40;
    --color-info:      #2676b1;
    --color-warning:   #9a6b00;
    --color-danger:    #dc2626;
    --color-gray:      #6b7280;

    --grad-green: linear-gradient(135deg, #0b8b4f, #2fb76c);

    --radius:    16px;
    --radius-sm: 10px;
    --shadow:    0 8px 24px rgba(16,35,47,.06);
    --shadow-lg: 0 14px 40px rgba(16,35,47,.12);
    --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --maxw: 1200px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.55;
    font-size: 16px;
}
h1, h2, h3 { line-height: 1.1; margin: 0 0 .5em; letter-spacing: -.02em; font-weight: 800; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.4rem, 3.5vw, 2rem); }
p { margin: 0 0 1rem; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.muted { color: var(--color-muted); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow { font-size: 12px; letter-spacing: .26em; font-weight: 700; color: #607582; margin: 0 0 12px; text-transform: uppercase; }

.skip-link { position: absolute; left: -9999px; top: 0; background: #fff; padding: 10px 16px; border-radius: 0 0 var(--radius-sm) 0; z-index: 2000; }
.skip-link:focus { left: 0; }

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5em;
    font: inherit; font-weight: 700; cursor: pointer;
    padding: .7em 1.3em; border-radius: 24px;
    border: 1px solid var(--color-border); background: var(--color-surface);
    color: var(--color-text); transition: transform .06s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
    text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--grad-green); color: #fff; border-color: transparent; }
.btn-primary:hover { filter: brightness(1.04); }
.btn-accent { background: var(--color-accent); color: #fff; border-color: transparent; }
.btn-outline { background: #fff; border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-sm { padding: .5em 1em; font-size: .9rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* --- Header --- */
.site-header {
    position: relative; z-index: 20;
    background: transparent;
    border-bottom: none;
}
/* Hero pages: overlay the transparent header on top of the hero so the hero
   background flows up behind it. It is absolute (not fixed), so it scrolls
   away with the page instead of staying stationary. */
body.has-hero .site-header {
    position: absolute; top: 0; left: 0; right: 0;
}
@media (min-width: 901px) {
    body.has-hero .home-hero .hero-copy { padding-top: 150px; }
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 128px; }
.brand { display: inline-flex; align-items: center; height: 110px; }
.brand img { height: 110px; width: auto; object-fit: contain; object-position: left center; }
.brand:hover { text-decoration: none; }

.header-collapse { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: #15252f; font-weight: 500; font-size: 14px; }
.nav a:hover { color: var(--color-primary); text-decoration: none; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-actions .btn { height: 42px; }
.icon-button { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--color-border); background: #fff; font-size: 20px; cursor: pointer; color: var(--color-text); }

.nav-toggle { display: none; background: none; border: 0; flex-direction: column; gap: 5px; cursor: pointer; margin-left: auto; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-text); display: block; }

@media (max-width: 900px) {
    .nav-toggle { display: flex; }
    .header-collapse {
        position: absolute; top: 128px; left: 0; right: 0; margin: 0;
        background: var(--color-surface); border-bottom: 1px solid var(--color-border);
        flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 18px;
        display: none; box-shadow: var(--shadow);
    }
    .header-collapse.open { display: flex; }
    .nav { flex-direction: column; align-items: stretch; gap: 0; }
    .nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
    .header-actions { margin-top: 12px; flex-wrap: wrap; }
    .header-actions .btn, .header-actions .icon-button { flex: 1; }
}

/* --- Generic hero (interior pages) --- */
.hero {
    background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-deep) 100%);
    color: #fff; padding: 56px 0 44px;
}
.hero h1 { color: #fff; max-width: 18ch; }
.hero p { color: #d7efe9; max-width: 54ch; font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

/* Locator (used on hero, near-me, report, admin search) */
.locator { display: flex; gap: 8px; margin-top: 22px; max-width: 520px; flex-wrap: wrap; }
.locator input {
    flex: 1 1 220px; padding: .85em 1.1em; border-radius: 28px;
    border: 1px solid var(--color-border); background: #fff; color: var(--color-text); font: inherit;
}
.hero .locator input { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.14); color: #fff; }
.hero .locator input::placeholder { color: rgba(255,255,255,.8); }

/* --- Homepage: hero split --- */
.home-hero {
    display: grid; grid-template-columns: 49% 51%; overflow: hidden; min-height: 420px;
    background: linear-gradient(90deg, #fff 0%, #fff 46%, #eff7ef 100%);
}
.home-hero .hero-copy { padding: 48px 3vw 40px; max-width: 720px; margin-left: auto; width: 100%; }
.home-hero h1 { font-size: clamp(2.4rem, 5.5vw, 3.6rem); line-height: .95; margin: 0 0 18px; color: var(--color-text); }
.home-hero h1 span { color: var(--color-primary); }
.home-hero .hero-text { font-size: 1.05rem; line-height: 1.5; max-width: 540px; margin: 0 0 24px; color: #33464f; }
.hero-visual { min-height: 420px; background: url('/assets/images/hero.jpg') center/cover no-repeat; position: relative; }
.hero-visual:after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #fff 0%, rgba(255,255,255,.35) 14%, transparent 35%); }

.search-bar {
    width: min(540px, 100%); height: 56px; display: flex; align-items: center;
    border: 1px solid var(--color-border); border-radius: 28px; background: #fff;
    box-shadow: 0 7px 18px rgba(16,35,47,.07); overflow: hidden;
}
.search-bar .pin { font-size: 20px; margin-left: 18px; color: var(--color-primary); }
.search-bar input { border: 0; outline: 0; flex: 1; padding: 0 14px; font-size: 15px; min-width: 0; background: transparent; }
.search-bar button { border: 0; background: var(--grad-green); color: #fff; width: 52px; height: 52px; border-radius: 50%; font-size: 24px; cursor: pointer; flex: 0 0 auto; margin-right: 2px; }
.popular { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 16px; font-size: 13px; }
.popular strong { color: var(--color-muted); font-weight: 700; }
.popular a, .popular button { border: 1px solid var(--color-border); background: #fff; padding: 8px 14px; border-radius: 20px; box-shadow: 0 4px 12px rgba(0,0,0,.04); color: var(--color-text); font: inherit; cursor: pointer; }
.popular a:hover { border-color: var(--color-primary); text-decoration: none; }

/* --- Homepage: map shell card + recent sidebar --- */
.home-map {
    display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 12px;
    align-items: start;
    margin: 20px auto 0; max-width: var(--maxw); width: calc(100% - 48px);
    padding: 14px; background: #fff; border-radius: 26px; box-shadow: var(--shadow-lg);
    position: relative; z-index: 2;
}
.home-map .recent { max-height: 400px; overflow-y: auto; }
.map-panel { min-width: 0; }
.map-tabs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin: 0 0 8px; }
.map-tabs a, .map-tabs button {
    height: 38px; border: 0; background: #f2f7f4; border-radius: 19px; font-size: 12px; font-weight: 700;
    color: #17333b; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; text-decoration: none;
}
.map-tabs .active { background: var(--grad-green); color: #fff; }
#home-map-canvas { height: 400px; border-radius: 14px; overflow: hidden; }
.recent { padding: 2px 0 0 6px; }
.recent-head { display: flex; align-items: center; justify-content: space-between; padding: 4px 4px 8px; }
.recent-head h2 { font-size: 18px; margin: 0; }
.recent-head a { font-size: 12px; color: var(--color-primary); }
.recent-item { display: grid; grid-template-columns: 58px 1fr auto; gap: 10px; align-items: center; padding: 9px 4px; border-top: 1px solid #edf0ef; }
.recent-item img { width: 58px; height: 58px; border-radius: 8px; object-fit: cover; background: #eef2f0; }
.recent-item h3 { font-size: 12.5px; line-height: 1.2; margin: 0 0 3px; }
.recent-item p { font-size: 11px; line-height: 1.25; color: #52646c; margin: 0; }
.recent-item .like { font-size: 11px; color: #6a7880; align-self: center; }

/* --- Stats strip --- */
.stats {
    max-width: var(--maxw); margin: 18px auto; width: calc(100% - 48px);
    display: grid; grid-template-columns: repeat(5, 1fr);
    background: linear-gradient(90deg, #f7fbf7, #f4faf6); border-radius: 18px; padding: 16px 22px;
    box-shadow: 0 8px 24px rgba(16,35,47,.04);
}
.stats > div { display: grid; grid-template-columns: 42px auto; grid-template-rows: auto auto; padding: 4px 18px; border-right: 1px solid #dce8df; align-items: center; }
.stats > div:last-child { border-right: 0; }
.stats .s-icon { grid-row: 1 / 3; color: var(--color-primary); font-size: 28px; }
.stats strong { font-size: 18px; }
.stats small { font-size: 12px; color: #66767f; }

/* --- How it works --- */
.how { display: grid; grid-template-columns: 1.05fr repeat(3, 1fr); gap: 14px; align-items: center; }
.how-title h2 { font-size: clamp(1.6rem, 3vw, 2rem); line-height: 1.02; margin: 0; }
.step { min-height: 100px; border-radius: var(--radius); background: #fff; display: grid; grid-template-columns: 42px 1fr; gap: 10px; align-items: center; padding: 18px; position: relative; box-shadow: var(--shadow); border: 1px solid var(--color-border); }
.step i { position: absolute; top: -8px; left: 40px; width: 24px; height: 24px; border-radius: 50%; background: var(--color-primary); color: #fff; font-style: normal; text-align: center; line-height: 24px; font-weight: 700; font-size: 13px; }
.step-icon { font-size: 24px; color: var(--color-primary); }
.step h3 { font-size: 16px; margin: 0 0 5px; }
.step p { font-size: 12.5px; color: #5f6f78; line-height: 1.35; margin: 0; }

/* --- Feature cards --- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card { min-height: 170px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); position: relative; display: flex; }
.feature-card:after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,64,54,.92) 0%, rgba(4,64,54,.8) 40%, rgba(255,255,255,.08) 78%); }
.feature-card.light:after { background: linear-gradient(90deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.82) 52%, rgba(255,255,255,.06) 78%); }
.feature-card > div { position: relative; z-index: 2; width: 62%; padding: 22px; color: #fff; align-self: center; }
.feature-card.light > div { color: #142b31; }
.feature-card h3 { margin: 0 0 8px; font-size: 18px; }
.feature-card p { font-size: 12.5px; line-height: 1.4; margin: 0 0 11px; }
.feature-card a { font-size: 12px; color: inherit; font-weight: 700; }
.feature-icon { display: block; font-size: 26px; margin-bottom: 6px; color: #19a65c; }
.feat-migration { background: url('/assets/images/feature-migration.jpg') center/cover; }
.feat-species { background: url('/assets/images/feature-species.jpg') center/cover; }
.feat-near { background: url('/assets/images/feature-nearme.jpg') center/cover; }

/* --- Story banner --- */
.story { min-height: 200px; position: relative; overflow: hidden; color: #fff; display: grid; grid-template-columns: 1fr 1fr; align-items: center; padding: 32px 4.8vw; margin-top: 24px; }
.story-bg { position: absolute; inset: 0; background: url('/assets/images/sunset.jpg') center/cover no-repeat; z-index: -2; }
.story:after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,51,44,.6), rgba(6,51,44,.18), rgba(6,51,44,.55)); z-index: -1; }
.story h2 { font-size: clamp(1.5rem, 3vw, 1.9rem); line-height: 1.1; margin: 0 0 12px; color: #fff; }
.story p { max-width: 340px; font-size: 14px; }
.story blockquote { justify-self: end; text-align: center; font-size: 18px; line-height: 1.5; font-style: italic; margin: 0; max-width: 360px; }
.story cite { display: block; font-size: 12px; font-style: normal; margin-top: 12px; }

/* --- Sections / cards / grids --- */
.section { padding: 44px 0; }
.section-tight { padding: 24px 0; }
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }

/* --- Badges --- */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: .72rem; font-weight: 700; padding: .25em .7em; border-radius: 12px; text-transform: capitalize; letter-spacing: .01em; }
.badge-green  { background: #d7f4de; color: #1b7b40; }
.badge-blue   { background: #dceeff; color: #2676b1; }
.badge-yellow { background: #fff0c5; color: #9a6b00; }
.badge-gray   { background: #e9edeb; color: #55655d; }
.demo-badge { display: inline-block; background: #fff0c5; color: #9a6b00; font-weight: 700; font-size: .7rem; padding: .15em .55em; border-radius: 8px; text-transform: uppercase; letter-spacing: .03em; }

/* --- Forms --- */
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-weight: 600; margin-bottom: 6px; }
.form-field input, .form-field select, .form-field textarea {
    width: 100%; padding: .7em .9em; font: inherit; color: var(--color-text);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: #fff;
}
.form-field textarea { min-height: 96px; resize: vertical; }
.form-help { font-size: .85rem; color: var(--color-muted); margin-top: 4px; }
.form-error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; }
.form-success { background: #eafaf0; border: 1px solid #bbeacb; color: #166534; padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; }
.form-narrow { max-width: 460px; margin: 0 auto; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --- Sighting list cards --- */
.sighting-list { display: grid; gap: 14px; }
.sighting-item { display: flex; gap: 14px; align-items: flex-start; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 14px; }
.sighting-item .thumb { width: 72px; height: 72px; border-radius: var(--radius-sm); object-fit: cover; background: #eef2f0; flex: 0 0 auto; }
.sighting-item h3 { font-size: 1rem; margin-bottom: 2px; }

/* --- Stats tiles (profile/admin) --- */
.stat-row { display: flex; flex-wrap: wrap; gap: 16px; }
.stat { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px 20px; flex: 1 1 160px; }
.stat .num { font-size: 1.8rem; font-weight: 800; color: var(--color-primary); }
.stat .label { color: var(--color-muted); font-size: .9rem; }

/* --- Footer --- */
.site-footer { background: linear-gradient(180deg, #07493c, #04352f); color: #cfe7e2; margin-top: 0; padding: 28px 0 18px; }
.site-footer a { color: #fff; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.footer-brand img { height: 52px; width: auto; }
.footer-inner nav { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.footer-tagline { font-size: 11px; line-height: 1.3; text-transform: uppercase; letter-spacing: .04em; color: #d7efe9; }
.footer-note { margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12); font-size: 11px; color: #9dc4bd; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* --- Mobile floating action --- */
.fab-report { display: none; position: fixed; right: 16px; bottom: 16px; z-index: 950; background: var(--color-accent); color: #fff; border-radius: 999px; padding: .9em 1.3em; font-weight: 700; box-shadow: var(--shadow-lg); }
@media (max-width: 900px) { .fab-report { display: inline-flex; } }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* --- Homepage responsive --- */
@media (max-width: 900px) {
    .home-hero { grid-template-columns: 1fr; }
    .home-hero .hero-copy { padding: 34px 24px 26px; }
    .hero-visual { min-height: 260px; order: -1; }
    .home-map { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stats > div { border-right: 0; }
    .how { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .story { grid-template-columns: 1fr; }
    .story blockquote { justify-self: start; text-align: left; margin-top: 16px; }
}
@media (max-width: 560px) {
    .map-tabs { grid-template-columns: 1fr 1fr; }
    .map-tabs a:nth-child(n+4), .map-tabs button:nth-child(n+4) { display: none; }
    .stats { grid-template-columns: 1fr 1fr; }
}