/* ======================================================
   MNYSA — Minnesota Youth Science Advocacy
   Soft Brutalism × Editorial Bone
   Palette: Forest Green, Sage, Sand, Warm Bone
   Typography: Playfair Display + Source Serif 4 + DM Sans
   ====================================================== */

:root {
    /* Core Palette — warm bone/yellowish backgrounds */
    --cream:        #EDE8D8;
    --cream-dark:   #E0DAC8;
    --terracotta:   #3B6255;
    --terracotta-d: #2D4D42;
    --gold:         #D2C49E;
    --gold-muted:   #C4B68E;
    --espresso:     #1E3A2F;
    --espresso-l:   #2E4A3F;
    --warm-gray:    #8BA49A;
    --warm-gray-l:  #AABFB7;
    --parchment:    #E4DFD0;
    --ink:          #1A2E25;

    /* Brutalism accents */
    --border-thick: 2.5px solid var(--ink);
    --border-medium: 2px solid rgba(30, 58, 47, 0.15);
    --shadow-brutal: 4px 4px 0 var(--ink);
    --shadow-brutal-sm: 3px 3px 0 rgba(30, 58, 47, 0.18);
    --shadow-brutal-hover: 6px 6px 0 var(--ink);

    /* Typography */
    --font-display: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-body:    'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-ui:      'Helvetica Neue', Helvetica, Arial, sans-serif;

    /* Spacing */
    --section-pad: clamp(3.5rem, 8vw, 7rem);
    --container-max: 1140px;

    /* Misc */
    --radius: 3px;
    --radius-lg: 6px;
    --transition: 0.25s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--espresso);
    background: var(--cream);
    font-size: 18px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--terracotta); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--terracotta-d); }

ul { list-style: none; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---- Typography ---- */
.section-eyebrow {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: 0.75rem;
    border-left: 3px solid var(--terracotta);
    padding-left: 0.75rem;
}

.section-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.15;
    color: var(--ink);
    margin-bottom: 1.25rem;
}

.body-text {
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--espresso-l);
    max-width: 620px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.8rem 2rem;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid var(--ink);
}

.btn-primary {
    background: var(--terracotta);
    color: #fff;
    border-color: var(--terracotta);
    box-shadow: var(--shadow-brutal-sm);
}
.btn-primary:hover {
    background: var(--terracotta-d);
    color: #fff;
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--terracotta);
    border: 2px solid var(--terracotta);
    box-shadow: var(--shadow-brutal-sm);
}
.btn-secondary:hover {
    background: var(--terracotta);
    color: #fff;
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-hover);
}

/* ---- Navbar ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(237, 232, 216, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: var(--border-thick);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 68px;
    gap: 3rem;
}

.nav-logo { display: flex; align-items: center; gap: 0.5rem; }

.logo-mark {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--ink);
    letter-spacing: 0.06em;
}

.nav-links {
    display: flex;
    gap: 0.15rem;
    align-items: center;
}

.nav-links a {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--espresso-l);
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius);
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--terracotta);
    background: rgba(59, 98, 85, 0.1);
}

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--espresso);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 0;
}

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 1.5rem 4rem;
    text-align: left;
    overflow: hidden;
    background: var(--ink);
}

.hero-slideshow {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slideshow img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.hero-slideshow img.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 46, 37, 0.55);
    z-index: 1;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.04;
    z-index: 2;
    background-image:
        radial-gradient(circle at 20% 30%, var(--terracotta) 1.5px, transparent 1.5px),
        radial-gradient(circle at 80% 70%, var(--gold) 1.5px, transparent 1.5px),
        radial-gradient(circle at 50% 50%, var(--espresso) 0.5px, transparent 0.5px);
    background-size: 60px 60px, 80px 80px, 30px 30px;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-eyebrow {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(3.2rem, 8vw, 5.8rem);
    line-height: 1.02;
    color: #fff;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    max-width: 700px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.2rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.88);
    max-width: 520px;
    margin: 0 0 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-dates {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-start;
}

.date-card {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: var(--radius);
    padding: 1rem 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--shadow-brutal-sm);
}

.date-label {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--gold);
}

.date-value {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.2rem;
    color: #fff;
}

/* ---- Sections ---- */
.section {
    padding: var(--section-pad) 0;
}

.section-about-home {
    background: var(--parchment);
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

/* Stat Grid */
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-card {
    background: var(--cream);
    border: 2px solid var(--ink);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-brutal-sm);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2.4rem;
    color: var(--terracotta);
    line-height: 1.1;
}

.stat-label {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--warm-gray);
    margin-top: 0.25rem;
}

/* ---- Track Grid ---- */
.section-tracks {
    background: var(--cream);
}

.track-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.track-card {
    background: var(--parchment);
    border: 2px solid rgba(30, 58, 47, 0.12);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    transition: all var(--transition);
}

.track-card:hover {
    transform: translate(-2px, -3px);
    box-shadow: var(--shadow-brutal);
    border-color: var(--ink);
}

.track-icon {
    font-size: 2.2rem;
    margin-bottom: 0.75rem;
    color: var(--gold-muted);
}

.track-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--ink);
}

.track-card ul {
    list-style: none;
}

.track-card li {
    font-family: var(--font-ui);
    font-size: 0.92rem;
    color: var(--warm-gray);
    padding: 0.2rem 0;
    padding-left: 1rem;
    position: relative;
}

.track-card li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--warm-gray-l);
    font-size: 0.75rem;
}

/* ---- Competition Preview ---- */
.section-competition-preview {
    background: var(--parchment);
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
}

.comp-highlight-card {
    background: var(--espresso);
    border: 2px solid var(--ink);
    border-radius: var(--radius);
    padding: 2rem;
    color: var(--cream);
    box-shadow: var(--shadow-brutal);
}

.comp-detail {
    display: flex;
    justify-content: space-between;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(226, 223, 218, 0.12);
}

.comp-detail:last-child { border-bottom: none; }

.comp-detail span {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--warm-gray-l);
}

.comp-detail strong {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--cream);
}

/* ---- CTA ---- */
.section-cta {
    background: var(--cream);
    text-align: center;
}

.cta-container {
    max-width: 600px;
}

.cta-container .body-text {
    margin: 0 auto 1.5rem;
}

/* ---- Footer ---- */
.footer {
    background: var(--espresso);
    color: var(--cream);
    padding: 2.5rem 0;
    border-top: var(--border-thick);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-left .logo-mark {
    color: var(--cream);
    font-size: 1.3rem;
}

.footer-left p {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--warm-gray-l);
    margin-top: 0.25rem;
}

.footer-right {
    text-align: right;
}

.footer-right p {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--warm-gray-l);
}

.footer-right a {
    color: var(--gold);
}

.footer-right a:hover {
    color: var(--cream);
}

/* ---- Page Header (for inner pages) ---- */
.page-header {
    padding: 8.5rem 1.5rem 3.5rem;
    text-align: center;
    background: var(--cream);
    position: relative;
    overflow: hidden;
}

.page-header .hero-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.035;
    background-image:
        radial-gradient(circle at 20% 30%, var(--terracotta) 1.5px, transparent 1.5px),
        radial-gradient(circle at 80% 70%, var(--gold) 1.5px, transparent 1.5px);
    background-size: 60px 60px, 80px 80px;
}

.page-header-content {
    position: relative;
    max-width: 620px;
    margin: 0 auto;
}

.page-header h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    line-height: 1.12;
    color: var(--ink);
    margin-bottom: 0.75rem;
}

.page-header p {
    font-family: var(--font-body);
    font-size: 1.12rem;
    color: var(--espresso-l);
}

/* ---- Content Blocks (inner pages) ---- */
.content-section {
    padding: var(--section-pad) 0;
}

.content-section:nth-child(even) {
    background: var(--parchment);
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
}

.content-narrow {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---- Staff Grid ---- */
.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.staff-card {
    text-align: center;
}

.staff-photo {
    width: 120px;
    height: 120px;
    border-radius: var(--radius);
    object-fit: cover;
    margin: 0 auto 0.75rem;
    border: 2px solid var(--ink);
    background: var(--cream-dark);
    box-shadow: var(--shadow-brutal-sm);
}

.staff-photo-placeholder {
    width: 120px;
    height: 120px;
    border-radius: var(--radius);
    margin: 0 auto 0.75rem;
    background: var(--cream-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--warm-gray-l);
    border: 2px solid var(--ink);
    box-shadow: var(--shadow-brutal-sm);
}

.staff-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ink);
}

.staff-card p {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--warm-gray);
}

/* ---- Schedule Table ---- */
.schedule-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    border: 2px solid var(--ink);
}

.schedule-table th {
    text-align: left;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink);
    padding: 0.85rem 1rem;
    border-bottom: 2px solid var(--ink);
    background: var(--cream-dark);
}

.schedule-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(30, 58, 47, 0.12);
    color: var(--espresso-l);
}

.schedule-table tr:hover td {
    background: rgba(59, 98, 85, 0.06);
}

/* ---- Sponsor Logos ---- */
.sponsor-tier {
    margin-bottom: 3rem;
}

.sponsor-tier h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--ink);
    margin-bottom: 1rem;
    text-align: center;
}

.sponsor-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    align-items: center;
}

.sponsor-placeholder {
    background: var(--cream-dark);
    border: 2px dashed var(--warm-gray);
    border-radius: var(--radius);
    padding: 2rem 3rem;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--warm-gray);
    text-align: center;
}

/* ---- Contact Form Styles ---- */
.contact-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    background: var(--parchment);
    border: 2px solid rgba(30, 58, 47, 0.12);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: var(--ink);
    box-shadow: var(--shadow-brutal-sm);
}

.contact-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.contact-card p, .contact-card a {
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--warm-gray);
}

/* ---- Resource Links ---- */
.resource-list {
    margin-top: 1.5rem;
}

.resource-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 1.25rem;
    background: var(--parchment);
    border: 2px solid rgba(30, 58, 47, 0.1);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    transition: all var(--transition);
}

.resource-item:hover {
    border-color: var(--ink);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-sm);
}

.resource-item-info h4 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ink);
}

.resource-item-info p {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--warm-gray);
}

.resource-item a {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--terracotta);
    white-space: nowrap;
}

/* ---- Class detail page ---- */
.class-detail-card {
    background: var(--parchment);
    border: 2px solid rgba(30, 58, 47, 0.1);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition);
}

.class-detail-card:hover {
    border-color: var(--ink);
    box-shadow: var(--shadow-brutal-sm);
}

.class-detail-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.class-detail-card .session-list {
    margin-top: 0.75rem;
}

.class-detail-card .session-list li {
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--espresso-l);
    padding: 0.3rem 0 0.3rem 1.25rem;
    position: relative;
}

.class-detail-card .session-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 7px;
    height: 7px;
    border-radius: 0;
    background: var(--terracotta);
    transform: translateY(-50%);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .nav-inner {
        justify-content: space-between;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--cream);
        flex-direction: column;
        padding: 1rem;
        border-bottom: var(--border-thick);
        box-shadow: 0 8px 0 rgba(0,0,0,0.06);
    }

    .nav-links.open { display: flex; }

    .nav-toggle { display: block; }

    .two-col, .two-col.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .hero { padding: 8.5rem 1.5rem 3rem; }

    .hero-title { font-size: clamp(2.2rem, 8vw, 3.2rem); }

    .hero-dates { flex-direction: column; align-items: center; gap: 0.75rem; }

    .track-grid { grid-template-columns: 1fr 1fr; }

    .staff-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }

    .contact-info-grid { grid-template-columns: 1fr; }

    .stat-grid { grid-template-columns: 1fr 1fr; }

    .footer-inner { flex-direction: column; text-align: center; }
    .footer-right { text-align: center; }
}

@media (max-width: 480px) {
    .track-grid { grid-template-columns: 1fr; }
}

/* ---- Animations ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-content {
    animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* ---- Photo Strip (vertical river) ---- */
.photo-strip {
    display: flex;
    flex-direction: column;
    width: 100%;
    overflow: hidden;
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
}

.photo-strip img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: height 0.55s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
    filter: brightness(0.85) saturate(1.05);
    cursor: pointer;
}

.photo-strip img:hover {
    height: 560px;
    filter: brightness(1) saturate(1.15);
}

@media (max-width: 600px) {
    .photo-strip img {
        height: 260px;
    }
    .photo-strip img:hover {
        height: 340px;
    }
}