/* ============================================================
   SemesterHub — Custom Brand Overrides
   Vibrant coral + teal palette, energetic student feel
   ============================================================ */

:root {
    --color-primary: #FF6B35;
    --color-primary-hover: #E55A28;
    --color-accent: #4ECDC4;
    --color-accent-hover: #3DB8B0;
    --color-bg: #FAFAFA;
    --color-surface: #FFFFFF;
    --color-text: #2C3E50;
    --color-text-muted: #7F8C8D;
    --color-border: #E8E8E8;
    --color-border-light: #F2F2F2;
    --color-hero-start: #FF6B35;
    --color-hero-end: #FF8F65;
}

/* ---- HEADER ---- */
.site-header {
    background: rgba(255, 255, 255, 0.97);
    border-bottom-color: #E8E8E8;
}
.logo {
    color: #FF6B35;
    font-size: 1.4rem;
}

/* ---- HERO — warm gradient ---- */
.hero {
    background: linear-gradient(155deg, #FF6B35 0%, #FF8F65 50%, #FFB088 100%);
    border-bottom: none;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(78, 205, 196, 0.15) 0%, transparent 50%),
        radial-gradient(circle, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 24px 24px;
    pointer-events: none;
}

.hero h1 {
    color: #FFFFFF;
    font-size: clamp(2rem, 5vw, 3rem);
    text-shadow: 0 2px 20px rgba(0,0,0,0.15);
}
.hero .hero-sub {
    color: rgba(255, 255, 255, 0.9);
    opacity: 1;
    font-size: 1.15rem;
}
.hero-placeholder {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.3), rgba(255, 255, 255, 0.15));
}
.hero-placeholder-text {
    color: rgba(255, 255, 255, 0.2);
}

.hero .btn-primary {
    background: #FFFFFF;
    color: #FF6B35;
    border: none;
    padding: 14px 32px;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.hero .btn-primary:hover {
    background: #F5F5F5;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

/* ---- CATEGORY CARDS ---- */
.cat-card {
    border-color: var(--color-border);
}
.cat-card:hover {
    border-color: var(--color-accent);
}
.cat-icon {
    color: var(--color-primary);
}
.cat-links a:hover {
    color: var(--color-primary);
}

/* ---- REVIEW CARDS ---- */
.review-card {
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 12px rgba(255, 107, 53, 0.06);
}
.review-card:hover {
    box-shadow: 0 12px 32px rgba(255, 107, 53, 0.12);
    border-color: var(--color-primary);
}

.review-card-placeholder {
    background:
        linear-gradient(
            135deg,
            hsl(calc(var(--card-hue, 15)), 70%, 50%) 0%,
            hsl(calc(var(--card-hue, 15) + 30), 65%, 60%) 100%
        );
}

.category-badge {
    background: var(--color-primary);
    color: #FFFFFF;
}
.category-badge:hover {
    background: var(--color-primary-hover);
}

.review-card:hover h3 {
    color: var(--color-primary);
}

.read-more {
    color: var(--color-primary);
    font-weight: 600;
}

/* ---- SECTION HEADERS ---- */
.reviews h2,
.categories h2 {
    position: relative;
    padding-bottom: 16px;
}
.reviews h2::after,
.categories h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* ---- ARTICLE HERO (single post) ---- */
.article-hero-placeholder {
    background:
        linear-gradient(
            135deg,
            hsl(calc(var(--card-hue, 15)), 70%, 40%) 0%,
            hsl(calc(var(--card-hue, 15) + 40), 65%, 55%) 100%
        );
}

/* ---- FOOTER — warm ---- */
.site-footer {
    background: #2C3E50;
    color: #BDC3C7;
    border-top: none;
}
.footer-top {
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-etsy {
    background: var(--color-primary);
    color: #FFFFFF;
}
.footer-etsy:hover {
    background: var(--color-primary-hover);
}
.footer-nav a,
.footer-nav .menu li a {
    color: #BDC3C7;
}
.footer-nav a:hover,
.footer-nav .menu li a:hover {
    color: var(--color-primary);
}
.footer-bottom {
    border-top-color: rgba(255,255,255,0.06);
}
.footer-bottom p {
    color: #7F8C8D;
}
.footer-disclosure {
    color: #6C7A89 !important;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .hero h1 { font-size: 1.8rem; }
}