/* ============================================================
   sapo_polish.css — Visual upgrade chuẩn Sapo+ cho mọi theme
   Áp dụng global qua default/layout.php → bao phủ 20 themes
   ============================================================ */

:root {
    /* Polished design tokens */
    --sp-shadow-sm:  0 1px 2px rgba(15,23,42,.06), 0 1px 1px rgba(15,23,42,.04);
    --sp-shadow:     0 4px 12px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.05);
    --sp-shadow-lg:  0 14px 32px rgba(15,23,42,.12), 0 4px 8px rgba(15,23,42,.06);
    --sp-shadow-xl:  0 24px 56px rgba(15,23,42,.16), 0 6px 12px rgba(15,23,42,.08);
    --sp-shadow-glow:0 0 0 4px color-mix(in srgb, var(--theme-primary) 18%, transparent);

    --sp-ease:        cubic-bezier(.2, 0, 0, 1);
    --sp-ease-bounce: cubic-bezier(.34, 1.56, .64, 1);
    --sp-dur-fast:    150ms;
    --sp-dur:         300ms;
    --sp-dur-slow:    500ms;
    --sp-dur-cinema:  800ms;
}

/* ════════════════ TYPOGRAPHY ════════════════ */
body {
    font-feature-settings: "kern", "liga", "calt";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}
h1, .h1, h2, .h2, h3, .h3 { letter-spacing: -.02em; line-height: 1.15; }
h1, .h1 { font-weight: 800; }
h2, .h2 { font-weight: 800; }
h3, .h3 { font-weight: 700; line-height: 1.2; }
p { line-height: 1.7; }

/* Heading scale có rhythm chuẩn */
.sp-display { font-size: clamp(2.5rem, 5.5vw, 4.5rem); font-weight: 900; letter-spacing: -.025em; line-height: 1.05; }
.sp-h1 { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.sp-h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 800; letter-spacing: -.015em; line-height: 1.2; }
.sp-h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 700; line-height: 1.3; }
.sp-eyebrow {
    display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .25em;
    text-transform: uppercase; color: var(--theme-primary);
    padding: 6px 14px; border-radius: 999px;
    background: color-mix(in srgb, var(--theme-primary) 12%, transparent);
}
.sp-lead { font-size: clamp(1rem, 1.5vw, 1.125rem); color: #64748b; line-height: 1.7; }

/* ════════════════ SCROLL REVEAL ════════════════ */
[data-sp-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--sp-dur-cinema) var(--sp-ease), transform var(--sp-dur-cinema) var(--sp-ease);
    will-change: opacity, transform;
}
[data-sp-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-sp-reveal="left"]   { transform: translateX(-32px); }
[data-sp-reveal="right"]  { transform: translateX(32px); }
[data-sp-reveal="zoom"]   { transform: scale(.94); }
[data-sp-reveal="left"].is-visible,
[data-sp-reveal="right"].is-visible { transform: translateX(0); }
[data-sp-reveal="zoom"].is-visible  { transform: scale(1); }

[data-sp-reveal][data-delay="100"] { transition-delay: 100ms; }
[data-sp-reveal][data-delay="200"] { transition-delay: 200ms; }
[data-sp-reveal][data-delay="300"] { transition-delay: 300ms; }
[data-sp-reveal][data-delay="400"] { transition-delay: 400ms; }
[data-sp-reveal][data-delay="500"] { transition-delay: 500ms; }
[data-sp-reveal][data-delay="600"] { transition-delay: 600ms; }

@media (prefers-reduced-motion: reduce) {
    [data-sp-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ════════════════ HERO POLISH ════════════════ */
/* Ken Burns slow zoom for hero photos */
.sp-kenburns img,
.sp-kenburns .sp-bg-image {
    animation: sp-kenburns 20s ease-in-out infinite alternate;
    will-change: transform;
}
@keyframes sp-kenburns {
    from { transform: scale(1); }
    to   { transform: scale(1.08); }
}
@media (prefers-reduced-motion: reduce) { .sp-kenburns img, .sp-kenburns .sp-bg-image { animation: none; } }

/* Hero text gradient highlight */
.sp-text-gradient {
    background: linear-gradient(135deg, var(--theme-primary), var(--theme-primary-dark, #0f172a));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}

/* Decorative shape SVG layers */
.sp-deco-blob {
    position: absolute; pointer-events: none; z-index: 0; opacity: .1;
    filter: blur(50px); border-radius: 50%;
    background: var(--theme-primary);
}

/* ════════════════ BUTTONS ════════════════ */
.btn { transition: transform var(--sp-dur-fast) var(--sp-ease), box-shadow var(--sp-dur-fast) var(--sp-ease), filter var(--sp-dur-fast) var(--sp-ease); position: relative; overflow: hidden; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { box-shadow: 0 4px 14px color-mix(in srgb, var(--theme-primary) 40%, transparent); }
.btn-primary:hover { box-shadow: 0 8px 22px color-mix(in srgb, var(--theme-primary) 55%, transparent); filter: brightness(1.05); }

/* Ripple effect on click */
.btn::after {
    content: ''; position: absolute; top: 50%; left: 50%;
    width: 0; height: 0; border-radius: 50%;
    background: rgba(255, 255, 255, .35);
    transform: translate(-50%, -50%);
    transition: width .5s, height .5s;
}
.btn:active::after { width: 300px; height: 300px; }

.sp-btn-arrow { display: inline-flex; align-items: center; gap: 8px; }
.sp-btn-arrow i { transition: transform var(--sp-dur) var(--sp-ease); }
.sp-btn-arrow:hover i { transform: translateX(4px); }

/* ════════════════ CARDS ════════════════ */
.card, .card-hover, .card-ss {
    transition: transform var(--sp-dur) var(--sp-ease), box-shadow var(--sp-dur) var(--sp-ease), border-color var(--sp-dur) var(--sp-ease);
}
.card-hover:hover, .card-ss:hover { transform: translateY(-4px); box-shadow: var(--sp-shadow-lg); }

/* Product card với image zoom */
.sp-product-card { position: relative; overflow: hidden; transition: all var(--sp-dur) var(--sp-ease); }
.sp-product-card .sp-product-img-wrap { overflow: hidden; position: relative; aspect-ratio: 4/3; }
.sp-product-card .sp-product-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--sp-dur-cinema) var(--sp-ease); }
.sp-product-card:hover .sp-product-img-wrap img { transform: scale(1.08); }

/* Sale ribbon ribbon on product card */
.sp-sale-ribbon {
    position: absolute; top: 12px; left: -8px; z-index: 2;
    background: #ef4444; color: #fff; font-size: 11px; font-weight: 700;
    padding: 4px 12px 4px 16px; letter-spacing: .04em;
    clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 50%, 100% 100%, 0 100%);
    box-shadow: 0 4px 8px rgba(239, 68, 68, .4);
}
.sp-new-ribbon { position: absolute; top: 12px; right: 12px; z-index: 2;
    background: var(--theme-primary); color: #fff; font-size: 11px; font-weight: 700;
    padding: 4px 12px; border-radius: 999px;
}

/* Quick view button overlay */
.sp-product-card .sp-quickview {
    position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%) translateY(20px);
    background: #fff; color: var(--theme-primary); border: 0; padding: 10px 20px;
    border-radius: 999px; font-weight: 600; font-size: 13px; opacity: 0;
    transition: opacity var(--sp-dur) var(--sp-ease), transform var(--sp-dur) var(--sp-ease);
    box-shadow: var(--sp-shadow-lg); cursor: pointer;
    display: inline-flex; align-items: center; gap: 6px;
    text-decoration: none; white-space: nowrap;
}
.sp-product-card:hover .sp-quickview { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ════════════════ SECTION HEADERS ════════════════ */
.sp-section-head { text-align: center; margin-bottom: 48px; }
.sp-section-head .sp-eyebrow { margin-bottom: 14px; }
.sp-section-head h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 800; margin: 0 0 12px; letter-spacing: -.02em; }
.sp-section-head p  { font-size: 16px; color: #64748b; max-width: 640px; margin: 0 auto; line-height: 1.7; }
.sp-section-head .sp-deco-line {
    display: inline-block; width: 60px; height: 3px; background: var(--theme-primary);
    border-radius: 999px; margin: 18px auto 0;
}

/* ════════════════ STATS / COUNTERS ════════════════ */
.sp-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }
.sp-stat { text-align: center; padding: 20px; }
.sp-stat-number {
    font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 900;
    background: linear-gradient(135deg, var(--theme-primary), var(--theme-primary-dark, #0f172a));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
    line-height: 1; margin: 0 0 8px;
}
.sp-stat-label { font-size: 13px; color: #64748b; letter-spacing: .04em; text-transform: uppercase; font-weight: 600; }

/* ════════════════ TILT 3D ON HOVER ════════════════ */
.sp-tilt { transform-style: preserve-3d; transition: transform var(--sp-dur) var(--sp-ease); }
.sp-tilt:hover { transform: perspective(1000px) rotateX(2deg) rotateY(-2deg); }

/* ════════════════ LOADING SKELETON ════════════════ */
.sp-skeleton {
    background: linear-gradient(90deg, #f1f5f9 0%, #e2e8f0 50%, #f1f5f9 100%);
    background-size: 200% 100%;
    animation: sp-shimmer 1.4s linear infinite;
    border-radius: 8px;
}
@keyframes sp-shimmer { from { background-position: -200% 0 } to { background-position: 200% 0 } }

/* ════════════════ DIVIDERS / DECORATIONS ════════════════ */
.sp-divider-wave {
    position: relative; height: 60px; margin-top: -1px;
}
.sp-divider-wave::before {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 60px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60' preserveAspectRatio='none'%3E%3Cpath d='M0,32 C240,0 480,64 720,32 C960,0 1200,64 1440,32 L1440,60 L0,60 Z' fill='%23f8fafc'/%3E%3C/svg%3E");
    background-size: 100% 100%;
}

/* ════════════════ SCROLL TO TOP ════════════════ */
.sp-scroll-top {
    position: fixed; right: 24px; bottom: 24px; z-index: 1030;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--theme-primary); color: #fff; border: none;
    display: inline-flex; align-items: center; justify-content: center;
    box-shadow: var(--sp-shadow-lg); cursor: pointer;
    opacity: 0; pointer-events: none;
    transform: translateY(10px);
    transition: opacity var(--sp-dur) var(--sp-ease), transform var(--sp-dur) var(--sp-ease);
}
.sp-scroll-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.sp-scroll-top:hover { color: #fff; filter: brightness(1.1); }

@media (max-width: 991px) {
    .sp-scroll-top { right: 14px; bottom: 70px; } /* né sticky bottom */
}

/* ════════════════ MARQUEE BANNER ════════════════ */
.sp-marquee {
    background: var(--theme-primary); color: #fff; padding: 8px 0; overflow: hidden;
    font-size: 13px; font-weight: 600;
}
.sp-marquee-track {
    display: inline-flex; gap: 64px; white-space: nowrap;
    animation: sp-marquee-scroll 30s linear infinite;
}
.sp-marquee-track:hover { animation-play-state: paused; }
.sp-marquee-track span { display: inline-flex; align-items: center; gap: 8px; }
@keyframes sp-marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ════════════════ COUNTDOWN TIMER ════════════════ */
.sp-countdown { display: inline-flex; gap: 6px; }
.sp-countdown-cell {
    background: rgba(15,23,42,.85); color: #fff; min-width: 48px;
    padding: 6px 8px; border-radius: 6px; font-family: ui-monospace, monospace;
    font-size: 18px; font-weight: 700; text-align: center; line-height: 1;
    display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.sp-countdown-cell .sp-countdown-label {
    font-family: var(--theme-font-b, sans-serif); font-size: 9px;
    opacity: .65; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
}
.sp-countdown-sep { color: rgba(15,23,42,.85); font-weight: 800; align-self: center; padding: 0 2px; }

/* ════════════════ MEGA MENU ════════════════ */
.dropdown-menu.sp-mega {
    min-width: 720px; padding: 24px; border: 0; border-radius: var(--theme-radius);
    box-shadow: var(--sp-shadow-xl); animation: sp-fadein-down var(--sp-dur) var(--sp-ease);
}
.sp-mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sp-mega-col h6 { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--theme-primary); margin-bottom: 12px; }
.sp-mega-col a { display: block; padding: 6px 8px; color: #475569; text-decoration: none; border-radius: 6px; font-size: 14px; transition: background var(--sp-dur-fast); }
.sp-mega-col a:hover { background: #f1f5f9; color: var(--theme-primary); }
@keyframes sp-fadein-down { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ════════════════ TESTIMONIAL POLISH ════════════════ */
.sp-quote-mark {
    font-family: Georgia, serif; font-size: 80px; line-height: 1; color: var(--theme-primary);
    opacity: .15; position: absolute; top: 16px; left: 20px; pointer-events: none;
}
.sp-testimonial { position: relative; padding: 32px 28px 28px; }
.sp-testimonial p { font-style: italic; font-size: 16px; line-height: 1.7; }

/* ════════════════ IMAGE TREATMENTS ════════════════ */
.sp-img-frame {
    position: relative; border-radius: var(--theme-radius); overflow: hidden;
    box-shadow: var(--sp-shadow);
}
.sp-img-frame::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(15,23,42,.06);
    border-radius: inherit;
}
.sp-img-rounded-blob img {
    border-radius: 60% 40% 70% 30% / 50% 60% 40% 50%;
    animation: sp-morph 12s ease-in-out infinite alternate;
}
@keyframes sp-morph {
    0%   { border-radius: 60% 40% 70% 30% / 50% 60% 40% 50%; }
    50%  { border-radius: 30% 70% 40% 60% / 60% 40% 70% 50%; }
    100% { border-radius: 50% 50% 60% 40% / 40% 60% 50% 60%; }
}

/* ════════════════ FORM FIELD POLISH ════════════════ */
.form-control, .form-select {
    transition: border-color var(--sp-dur-fast) var(--sp-ease), box-shadow var(--sp-dur-fast) var(--sp-ease);
}
.form-control:focus, .form-select:focus {
    border-color: var(--theme-primary);
    box-shadow: var(--sp-shadow-glow);
}

/* ════════════════ LINK UNDERLINE ANIMATION ════════════════ */
.sp-link-fancy {
    position: relative; text-decoration: none; color: var(--theme-primary);
    background-image: linear-gradient(currentColor, currentColor);
    background-position: 0 100%; background-repeat: no-repeat; background-size: 0 1.5px;
    transition: background-size var(--sp-dur) var(--sp-ease);
}
.sp-link-fancy:hover { background-size: 100% 1.5px; }

/* ════════════════ STICKY ADD-TO-CART (PRODUCT PAGE) ════════════════ */
.sp-sticky-buy {
    position: sticky; bottom: 0; left: 0; right: 0;
    background: #fff; border-top: 1px solid #e2e8f0;
    padding: 12px 16px; z-index: 100; display: none;
    box-shadow: 0 -4px 14px rgba(15,23,42,.08);
}
@media (max-width: 768px) { .sp-sticky-buy { display: flex; align-items: center; gap: 12px; } }
.sp-sticky-buy .sp-sticky-price { flex: 1; font-weight: 800; color: var(--theme-primary); font-size: 18px; }

/* ════════════════ PRINT FRIENDLY ════════════════ */
@media print {
    .navbar, .site-footer, .vn-topbar, .vn-sticky-mobile, .sp-scroll-top, .floating-contact { display: none !important; }
    body { color: #000; background: #fff; }
    .card { box-shadow: none !important; border: 1px solid #ddd !important; }
}