/* Polki Squad — design system v0.1
   Source: docs/offering/04-visual/01-visual-system.md
   Built for the demo static site (pre-Cloudflare Pages deployment).
*/

/* 1. Reset + base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors — extracted from archived polkisquad.com + offer visual */
    --c-primary: #FF6B35;       /* warm orange (CTAs, accents) */
    --c-primary-dark: #E55524;
    --c-secondary: #2E7D5B;     /* hope green */
    --c-accent: #4A90E2;        /* trust blue (links) */
    --c-warm: #FFD8B5;          /* warm cream */
    --c-bg: #FFFCF8;            /* off-white */
    --c-bg-alt: #F5F0E8;        /* warm beige */
    --c-text: #2A1F1A;          /* warm dark */
    --c-text-muted: #6B5D52;
    --c-border: #E8DDD0;
    --c-success: #4CAF50;
    --c-warning: #FFC107;
    --c-error: #DC3545;

    /* Typography */
    --f-display: 'Fraunces', Georgia, serif;
    --f-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing scale */
    --s-1: 0.25rem;  /*  4px */
    --s-2: 0.5rem;   /*  8px */
    --s-3: 0.75rem;  /* 12px */
    --s-4: 1rem;     /* 16px */
    --s-5: 1.5rem;   /* 24px */
    --s-6: 2rem;     /* 32px */
    --s-7: 3rem;     /* 48px */
    --s-8: 4rem;     /* 64px */
    --s-9: 6rem;     /* 96px */

    /* Radii */
    --r-sm: 4px;
    --r-md: 8px;
    --r-lg: 16px;
    --r-xl: 24px;
    --r-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(42,31,26,0.05);
    --shadow-md: 0 4px 12px rgba(42,31,26,0.08);
    --shadow-lg: 0 8px 32px rgba(42,31,26,0.12);

    /* Layout */
    --container: 1200px;
    --container-narrow: 800px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--f-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--c-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--c-primary);
}

h1, h2, h3, h4 {
    font-family: var(--f-display);
    line-height: 1.2;
    font-weight: 700;
    color: var(--c-text);
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* 2. Layout */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--s-5);
}

section {
    padding: var(--s-9) 0;
}

/* 3. Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--s-3) var(--s-5);
    border-radius: var(--r-full);
    font-family: var(--f-body);
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1.2;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}
.btn--small {
    padding: var(--s-2) var(--s-4);
    font-size: 0.875rem;
}
.btn--primary {
    background: var(--c-primary);
    color: white;
}
.btn--primary:hover {
    background: var(--c-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn--secondary {
    background: white;
    color: var(--c-text);
    border-color: var(--c-text);
}
.btn--secondary:hover {
    background: var(--c-text);
    color: white;
    transform: translateY(-1px);
}
.btn--tertiary {
    background: transparent;
    color: var(--c-primary);
    border-color: var(--c-primary);
}
.btn--tertiary:hover {
    background: var(--c-primary);
    color: white;
    transform: translateY(-1px);
}

/* 4. Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 252, 248, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--c-border);
}
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--s-4);
    padding-bottom: var(--s-4);
    gap: var(--s-5);
}
.logo {
    display: flex;
    align-items: center;
    gap: var(--s-2);
    text-decoration: none;
    color: var(--c-text);
}
.logo__mark {
    font-size: 1.75rem;
}
.logo__text {
    font-family: var(--f-display);
    font-weight: 700;
    font-size: 1.375rem;
}
.nav {
    display: flex;
    gap: var(--s-5);
}
.nav__link {
    color: var(--c-text);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}
.nav__link:hover {
    color: var(--c-primary);
}

/* 5. Hero */
.hero {
    padding: var(--s-9) 0 var(--s-8);
    background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-alt) 100%);
}
.hero__inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--s-8);
    align-items: center;
}
.hero__eyebrow {
    display: inline-block;
    padding: var(--s-2) var(--s-4);
    background: var(--c-warm);
    color: var(--c-text);
    border-radius: var(--r-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--s-5);
}
.hero__title {
    margin-bottom: var(--s-5);
    line-height: 1.05;
}
.hero__title--accent {
    color: var(--c-primary);
    font-style: italic;
}
.hero__subtitle {
    font-size: 1.125rem;
    color: var(--c-text-muted);
    margin-bottom: var(--s-6);
    max-width: 540px;
}
.hero__ctas {
    display: flex;
    gap: var(--s-3);
    margin-bottom: var(--s-7);
    flex-wrap: wrap;
}
.hero__trust {
    display: flex;
    gap: var(--s-6);
    flex-wrap: wrap;
}
.trust-item strong {
    display: block;
    font-family: var(--f-display);
    font-size: 2rem;
    color: var(--c-text);
    font-weight: 700;
    line-height: 1;
}
.trust-item span {
    display: block;
    font-size: 0.875rem;
    color: var(--c-text-muted);
    margin-top: var(--s-1);
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero__photo {
    width: 100%;
    aspect-ratio: 4/5;
    max-width: 480px;
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.hero__photo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--c-warm) 0%, var(--c-secondary) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: var(--s-5);
}
.hero__photo-placeholder span {
    font-size: 5rem;
    margin-bottom: var(--s-4);
}
.hero__photo-placeholder p {
    font-size: 1.125rem;
    font-weight: 500;
}
.hero__photo-placeholder small {
    opacity: 0.8;
    font-size: 0.875rem;
    margin-top: var(--s-2);
}

/* 6. Stats strip */
.stats-strip {
    background: var(--c-text);
    color: white;
    padding: var(--s-7) 0;
}
.stats-strip__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-5);
    text-align: center;
}
.stat__number {
    display: block;
    font-family: var(--f-display);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--s-2);
    color: var(--c-primary);
}
.stat__label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 7. Mission */
.mission__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-8);
    align-items: center;
}
.mission__visual {
    aspect-ratio: 1/1;
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.mission__photo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--c-secondary) 0%, var(--c-primary) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: var(--s-5);
}
.mission__photo-placeholder span {
    font-size: 4rem;
    margin-bottom: var(--s-3);
}
.section-title {
    margin-bottom: var(--s-5);
}
.mission__lead {
    font-size: 1.125rem;
    color: var(--c-text-muted);
    margin-bottom: var(--s-4);
}
.link-arrow {
    color: var(--c-primary);
    font-weight: 600;
    font-size: 0.9375rem;
    display: inline-block;
    margin-top: var(--s-3);
}
.link-arrow:hover {
    text-decoration: underline;
}

/* 8. Featured animals */
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-bottom: var(--s-6);
    flex-wrap: wrap;
    gap: var(--s-4);
}
.animals-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s-5);
}
.animal-card {
    background: white;
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.animal-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.animal-card__photo {
    aspect-ratio: 1/1;
    overflow: hidden;
}
.animal-card__photo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--c-warm) 0%, var(--c-secondary) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 5rem;
}
.animal-card__body {
    padding: var(--s-5);
}
.animal-card__name {
    font-size: 1.5rem;
    margin-bottom: var(--s-2);
}
.animal-card__meta {
    color: var(--c-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--s-3);
}
.animal-card__desc {
    margin-bottom: var(--s-4);
    font-size: 0.9375rem;
}

/* 9. Three ways */
.ways {
    background: var(--c-bg-alt);
}
.ways__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s-5);
    margin-top: var(--s-6);
}
.way-card {
    background: white;
    padding: var(--s-6);
    border-radius: var(--r-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.way-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.way-card__icon {
    display: block;
    font-size: 3rem;
    margin-bottom: var(--s-4);
}
.way-card__title {
    font-size: 1.5rem;
    margin-bottom: var(--s-3);
}

/* 10. Newsletter */
.newsletter {
    background: var(--c-secondary);
    color: white;
}
.newsletter__inner {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}
.newsletter__title {
    color: white;
    margin-bottom: var(--s-3);
}
.newsletter__desc {
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--s-5);
}
.newsletter__form {
    display: flex;
    gap: var(--s-3);
    max-width: 480px;
    margin: 0 auto;
}
.newsletter__input {
    flex: 1;
    padding: var(--s-3) var(--s-4);
    border: none;
    border-radius: var(--r-full);
    font-family: var(--f-body);
    font-size: 0.9375rem;
}

/* 11. Footer */
.footer {
    background: var(--c-text);
    color: rgba(255,255,255,0.85);
    padding: var(--s-8) 0 var(--s-5);
}
.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--s-6);
    margin-bottom: var(--s-6);
}
.footer h4 {
    color: white;
    margin-bottom: var(--s-3);
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer ul {
    list-style: none;
}
.footer li {
    margin-bottom: var(--s-2);
    font-size: 0.9375rem;
}
.footer a {
    color: rgba(255,255,255,0.85);
}
.footer a:hover {
    color: var(--c-primary);
}
.logo--footer {
    color: white;
    margin-bottom: var(--s-3);
}
.logo--footer .logo__text {
    color: white;
}
.footer__social {
    display: flex;
    gap: var(--s-3);
    margin-top: var(--s-3);
}
.footer__social a {
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--r-full);
    font-size: 1.125rem;
    transition: background 0.2s ease;
}
.footer__social a:hover {
    background: var(--c-primary);
    color: white;
}
.footer__bottom {
    padding-top: var(--s-5);
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--s-3);
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
}
.footer__bottom a {
    color: var(--c-primary);
}

/* 12. Animations */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.fade-in-up {
    animation: fade-in-up 0.6s ease-out;
}

/* 13. Responsive */
@media (max-width: 968px) {
    .hero__inner,
    .mission__grid {
        grid-template-columns: 1fr;
    }
    .hero__visual {
        order: -1;
    }
    .hero__photo {
        max-width: 360px;
        aspect-ratio: 1/1;
    }
    .stats-strip__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .animals-grid,
    .ways__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    .nav {
        display: none;
    }
}

@media (max-width: 640px) {
    .animals-grid,
    .ways__grid {
        grid-template-columns: 1fr;
    }
    .stats-strip__grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer__grid {
        grid-template-columns: 1fr;
    }
    .hero__ctas {
        flex-direction: column;
    }
    .hero__ctas .btn {
        width: 100%;
    }
    .newsletter__form {
        flex-direction: column;
    }
}


/* 14. Animation safety + reduced motion */
.js-animations-ready .animal-card,
.js-animations-ready .way-card,
.js-animations-ready .mission__content,
.js-animations-ready .mission__visual {
    opacity: 0;
}
.js-animations-ready .animal-card.fade-in-up,
.js-animations-ready .way-card.fade-in-up,
.js-animations-ready .mission__content.fade-in-up,
.js-animations-ready .mission__visual.fade-in-up {
    opacity: 1;
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .js-animations-ready .animal-card,
    .js-animations-ready .way-card,
    .js-animations-ready .mission__content,
    .js-animations-ready .mission__visual {
        opacity: 1;
    }
}


/* 15. Skip-to-content link (A11y) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--c-primary);
    color: white;
    padding: var(--s-3) var(--s-5);
    border-radius: 0 0 var(--r-md) 0;
    text-decoration: none;
    font-weight: 600;
    z-index: 9999;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 0;
    color: white;
}

/* 16. Demo banner (visible on every page) */
.demo-banner {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    background: linear-gradient(90deg, #FFC107 0%, #FFD54F 100%);
    color: var(--c-text);
    padding: var(--s-2) var(--s-5);
    font-size: 0.875rem;
    text-align: center;
    border-bottom: 2px solid #F57F17;
}
.demo-banner__icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}
.demo-banner__text {
    flex: 1;
    text-align: left;
}
.demo-banner__text strong {
    font-weight: 700;
    margin-right: var(--s-1);
}
.demo-banner__cta {
    background: var(--c-text);
    color: white;
    padding: var(--s-1) var(--s-3);
    border-radius: var(--r-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8125rem;
    flex-shrink: 0;
    transition: background 0.2s ease;
}
.demo-banner__cta:hover {
    background: #1a1310;
    color: white;
}
@media (max-width: 640px) {
    .demo-banner {
        flex-direction: column;
        gap: var(--s-2);
        padding: var(--s-3);
    }
    .demo-banner__text {
        text-align: center;
    }
}

/* 17. Main content landmark */
main {
    display: block;
    min-height: 50vh;
}