:root {
    --navy: #061724;
    --navy-2: #0b2436;
    --primary: #00d1ff;
    --secondary: #00f2a9;
    --accent: #ffb703;
    --paper: #f7fbff;
    --muted: #6b7a88;
    --ink: #10212f;
    --line: rgba(10, 36, 54, 0.12);
    --glass: rgba(255, 255, 255, 0.12);
    --shadow: 0 24px 70px rgba(4, 18, 30, 0.18);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--ink);
    background:
      radial-gradient(circle at 10% 10%, rgba(0, 209, 255, 0.12), transparent 32rem),
      radial-gradient(circle at 90% 0%, rgba(0, 242, 169, 0.10), transparent 30rem),
      var(--paper);
    overflow-x: hidden;
}

h1, h2, h3, .brand-mark { font-family: 'Space Grotesk', 'Manrope', sans-serif; letter-spacing: -0.04em; }
a { text-decoration: none; }

.app-nav {
    background: rgba(6, 23, 36, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.brand-mark { font-weight: 800; display: inline-flex; align-items: center; gap: .55rem; }
.brand-logo {
    display: inline-grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 1rem;
    color: var(--navy);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 10px 30px rgba(0, 209, 255, .3);
    font-size: .86rem;
}
.brand-logo.image-logo {
    position: relative;
    width: 3.05rem;
    height: 3.05rem;
    padding: .2rem;
    overflow: hidden;
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(0, 209, 255, .28);
}
.navbar .nav-link { color: rgba(255,255,255,.76); font-weight: 700; }
.navbar .nav-link:hover, .navbar .nav-link:focus { color: #fff; }

.btn { border-radius: 999px; font-weight: 800; padding: .78rem 1.2rem; }
.btn-accent {
    color: #03131d;
    border: 0;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    box-shadow: 0 14px 36px rgba(0, 209, 255, .28);
}
.btn-accent:hover, .btn-accent:focus { color: #03131d; transform: translateY(-1px); box-shadow: 0 18px 44px rgba(0, 209, 255, .35); }
.btn-glass { color: #fff; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.08); backdrop-filter: blur(12px); }
.btn-glass:hover, .btn-glass:focus { color: #fff; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.16); }
.btn-dark-soft { color: var(--navy); background: #e8f4fb; border: 1px solid rgba(6,23,36,.08); }
.btn-dark-soft:hover, .btn-dark-soft:focus { color: #fff; background: var(--navy); }

.tech-loader {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: grid;
    place-items: center;
    overflow: hidden;
    color: #e9fbff;
    background:
      radial-gradient(circle at 18% 16%, rgba(0, 209, 255, .26), transparent 28rem),
      radial-gradient(circle at 86% 78%, rgba(0, 242, 169, .22), transparent 26rem),
      linear-gradient(135deg, #061724 0%, #082c43 58%, #031019 100%);
    isolation: isolate;
    pointer-events: none;
    animation: loaderAutoExit .7s ease 3s forwards;
}
.tech-loader::before,
.tech-loader::after {
    content: "";
    position: absolute;
    inset: -18%;
    z-index: -1;
}
.tech-loader::before {
    opacity: .2;
    background-image:
      linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
    background-size: 46px 46px;
    transform: perspective(720px) rotateX(62deg) scale(1.15);
    animation: loaderGridMove 5.5s linear infinite;
}
.tech-loader::after {
    opacity: .55;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 209, 255, .16) 48%, rgba(0, 242, 169, .12) 52%, transparent 100%);
    height: 32%;
    top: -34%;
    animation: loaderSweep 2.2s ease-in-out infinite;
}
.tech-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(1.015);
    transition: opacity .55s ease, visibility .55s ease, transform .55s ease;
}
.loader-grid {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(circle, rgba(255,255,255,.22) 1px, transparent 1.5px) 0 0 / 34px 34px,
      linear-gradient(120deg, transparent 40%, rgba(0,209,255,.10), transparent 60%);
    mask-image: radial-gradient(circle at center, #000 0%, transparent 72%);
    opacity: .32;
}
.loader-card {
    position: relative;
    width: min(90vw, 440px);
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 2rem;
    background: linear-gradient(145deg, rgba(255,255,255,.14), rgba(255,255,255,.055));
    box-shadow: 0 28px 90px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255,255,255,.18);
    backdrop-filter: blur(20px);
}
.loader-brand {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    margin-bottom: 1.25rem;
    font-family: 'Space Grotesk', 'Manrope', sans-serif;
    font-weight: 800;
    letter-spacing: -.03em;
}
.loader-logo {
    display: inline-grid;
    place-items: center;
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 1rem;
    color: var(--navy);
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    box-shadow: 0 0 34px rgba(0, 209, 255, .42);
    font-size: .85rem;
}
.loader-logo.image-logo {
    position: relative;
    width: 3.35rem;
    height: 3.35rem;
    padding: .22rem;
    overflow: hidden;
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(0, 242, 169, .3);
}
.image-logo img {
    position: absolute;
    inset: .24rem;
    display: block;
    width: calc(100% - .48rem);
    height: calc(100% - .48rem);
    object-fit: contain;
    border-radius: .75rem;
}
.loader-core {
    position: relative;
    display: grid;
    place-items: center;
    width: 9.8rem;
    height: 9.8rem;
    margin: 0 auto 1.25rem;
}
.loader-core::before {
    content: "";
    position: absolute;
    inset: 16%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 209, 255, .32), transparent 66%);
    filter: blur(8px);
    animation: loaderPulse 1.8s ease-in-out infinite;
}
.loader-ring {
    position: absolute;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--primary), var(--secondary), transparent 34%, var(--accent), var(--primary));
    -webkit-mask: radial-gradient(circle, transparent 56%, #000 58%);
    mask: radial-gradient(circle, transparent 56%, #000 58%);
}
.loader-ring-outer { inset: 0; animation: spin 1.25s linear infinite; }
.loader-ring-inner { inset: 1.45rem; opacity: .72; animation: spinReverse 1.8s linear infinite; }
.loader-scan {
    position: absolute;
    inset: 2.35rem;
    border: 1px solid rgba(0, 242, 169, .55);
    border-radius: 1.35rem;
    background:
      linear-gradient(90deg, transparent, rgba(0, 242, 169, .22), transparent),
      rgba(6, 23, 36, .58);
    box-shadow: inset 0 0 22px rgba(0, 242, 169, .18);
    animation: loaderScan 1.6s ease-in-out infinite;
}
.loader-chip {
    position: relative;
    display: grid;
    place-items: center;
    width: 3.8rem;
    height: 3.8rem;
    border-radius: 1.15rem;
    color: var(--navy);
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    box-shadow: 0 0 34px rgba(0, 242, 169, .38);
    font-size: 1.55rem;
    animation: chipFloat 1.9s ease-in-out infinite;
}
.loader-chip.image-chip {
    overflow: hidden;
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(255, 183, 3, .34);
}
.loader-chip.image-chip img {
    position: absolute;
    inset: .34rem;
    display: block;
    width: calc(100% - .68rem);
    height: calc(100% - .68rem);
    object-fit: contain;
    border-radius: .8rem;
}
.loader-title {
    margin: 0;
    color: #fff;
    font-family: 'Space Grotesk', 'Manrope', sans-serif;
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    font-weight: 800;
    letter-spacing: -.04em;
}
.loader-copy {
    margin: .45rem auto 1.25rem;
    max-width: 30ch;
    color: rgba(233, 251, 255, .76);
    font-size: .96rem;
}
.loader-progress {
    width: 100%;
    height: .52rem;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255,255,255,.11);
}
.loader-progress span {
    display: block;
    width: 46%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--secondary), var(--primary), var(--accent));
    box-shadow: 0 0 22px rgba(0, 209, 255, .42);
    animation: loaderProgress 1.55s ease-in-out infinite;
}
.loader-particles span {
    position: absolute;
    width: .55rem;
    height: .55rem;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 22px currentColor;
    opacity: .7;
    animation: particleFloat 4.5s ease-in-out infinite;
}
.loader-particles span:nth-child(1) { left: 14%; top: 22%; color: var(--primary); animation-delay: 0s; }
.loader-particles span:nth-child(2) { left: 78%; top: 18%; color: var(--secondary); animation-delay: .35s; }
.loader-particles span:nth-child(3) { left: 18%; top: 78%; color: var(--accent); animation-delay: .75s; }
.loader-particles span:nth-child(4) { left: 84%; top: 70%; color: var(--primary); animation-delay: 1s; }
.loader-particles span:nth-child(5) { left: 49%; top: 10%; color: var(--secondary); animation-delay: 1.25s; }
.loader-particles span:nth-child(6) { left: 52%; top: 88%; color: var(--accent); animation-delay: 1.55s; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spinReverse { to { transform: rotate(-360deg); } }
@keyframes loaderGridMove { to { background-position: 92px 92px; } }
@keyframes loaderSweep { 0% { transform: translateY(0); } 100% { transform: translateY(460%); } }
@keyframes loaderPulse { 50% { transform: scale(1.12); opacity: .65; } }
@keyframes loaderScan { 50% { transform: scale(.92); border-radius: 50%; } }
@keyframes chipFloat { 50% { transform: translateY(-6px) scale(1.04); } }
@keyframes particleFloat { 50% { transform: translate3d(18px, -24px, 0) scale(1.45); opacity: 1; } }
@keyframes loaderProgress { 0% { transform: translateX(-115%); } 100% { transform: translateX(235%); } }
@keyframes loaderAutoExit { to { opacity: 0; visibility: hidden; } }

.hero-section {
    position: relative;
    min-height: 86vh;
    color: #fff;
    background:
      linear-gradient(135deg, rgba(6,23,36,.98), rgba(8,44,67,.95)),
      radial-gradient(circle at 78% 18%, rgba(0, 209, 255, .30), transparent 28rem);
    overflow: hidden;
}
.hero-grid {
    position: absolute;
    inset: 0;
    opacity: .23;
    background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
    background-size: 46px 46px;
    animation: panGrid 18s linear infinite;
}
@keyframes panGrid { to { background-position: 92px 92px; } }
.shape { position: absolute; border-radius: 32px; filter: blur(.2px); opacity: .8; animation: floatShape 7s ease-in-out infinite; }
.shape-one { width: 9rem; height: 9rem; right: 8%; top: 14%; background: linear-gradient(135deg, var(--secondary), transparent); transform: rotate(18deg); }
.shape-two { width: 6rem; height: 6rem; left: 7%; bottom: 12%; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); animation-delay: -2s; }
@keyframes floatShape { 50% { transform: translateY(-18px) rotate(28deg); } }

.eyebrow { display: inline-flex; align-items: center; gap: .45rem; text-transform: uppercase; font-size: .78rem; letter-spacing: .13em; font-weight: 900; color: var(--secondary); }
.eyebrow.dark { color: #0089a9; }
.hero-copy { max-width: 44rem; color: rgba(255,255,255,.78); font-size: clamp(1.08rem, 1vw + .8rem, 1.32rem); line-height: 1.8; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; max-width: 40rem; }
.hero-stats div { padding: 1rem; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.07); border-radius: 1.35rem; }
.hero-stats strong { display: block; font-size: 1.6rem; color: #fff; }
.hero-stats span { color: rgba(255,255,255,.68); font-size: .86rem; }

.payment-console, .detail-panel, .form-panel, .success-panel, .cta-panel, .product-card, .category-card, .empty-state, .filter-bar {
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.payment-console {
    padding: 1.35rem;
    border-radius: 2rem;
    color: #fff;
    background: linear-gradient(145deg, rgba(255,255,255,.13), rgba(255,255,255,.05));
    backdrop-filter: blur(18px);
}
.console-top { display: flex; gap: .45rem; margin-bottom: 1.2rem; }
.console-top span { width: .72rem; height: .72rem; border-radius: 999px; background: var(--secondary); }
.console-top span:nth-child(2) { background: var(--primary); }
.console-top span:nth-child(3) { background: var(--accent); }
.qr-card { border-radius: 1.35rem; padding: .8rem; text-align: center; background: rgba(255,255,255,.10); border: 1px dashed rgba(255,255,255,.30); }
.qr-image { display: block; width: min(100%, 18rem); height: auto; margin: 0 auto; border-radius: 1rem; background: #fff; box-shadow: 0 16px 45px rgba(0,0,0,.22); }
.qr-placeholder {
    aspect-ratio: 1;
    min-height: 210px;
    display: grid;
    place-items: center;
    text-align: center;
    border-radius: 1rem;
    color: #061724;
    background:
      linear-gradient(45deg, #fff 25%, #d9f8ff 25% 50%, #fff 50% 75%, #d9f8ff 75%) 0 0/28px 28px;
}
.qr-placeholder i { font-size: 4rem; display: block; }
.qr-placeholder span { display: block; font-weight: 900; }
.payment-methods { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }
.payment-methods span { padding: .5rem .75rem; border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.16); font-weight: 800; font-size: .82rem; }

.section-pad { padding: 5.5rem 0; }
.section-heading { max-width: 46rem; }
.section-heading h2, .cta-panel h2 { font-size: clamp(2rem, 3vw, 3.2rem); }
.section-heading p { color: var(--muted); font-size: 1.08rem; }
.category-card, .product-card { display: block; height: 100%; border-radius: 1.5rem; padding: 1.35rem; background: rgba(255,255,255,.82); color: var(--ink); transition: .22s ease; }
.category-card:hover, .product-card:hover { transform: translateY(-6px); border-color: rgba(0,209,255,.45); }
.category-icon { width: 3.3rem; height: 3.3rem; border-radius: 1rem; display: grid; place-items: center; color: #061724; background: linear-gradient(135deg, var(--primary), var(--secondary)); margin-bottom: 1rem; font-size: 1.45rem; }
.category-card h3, .product-card h3 { font-size: 1.28rem; margin-bottom: .55rem; }
.category-card p, .product-card p { color: var(--muted); }
.category-card small { font-weight: 900; color: #0089a9; }
.product-strip { background: linear-gradient(180deg, rgba(232,244,251,.55), rgba(247,251,255,0)); }
.product-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.product-card-top i { font-size: 1.75rem; color: #00a6c8; }
.pill { display: inline-flex; padding: .45rem .75rem; border-radius: 999px; font-size: .78rem; font-weight: 900; color: #006e87; background: #dcf8ff; }
.product-meta { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 1rem; font-size: .92rem; }
.product-meta strong { color: var(--navy); }
.cta-panel { border-radius: 2rem; padding: clamp(1.5rem, 4vw, 3rem); color: #fff; background: linear-gradient(135deg, var(--navy), #0a3a57); overflow: hidden; position: relative; }
.cta-panel p { color: rgba(255,255,255,.76); }

.page-shell { padding: 4.5rem 0 6rem; }
.page-hero { text-align: center; max-width: 760px; margin: 0 auto 2rem; }
.page-hero.compact { padding: 2rem; border-radius: 2rem; color: #fff; background: linear-gradient(135deg, var(--navy), #0d415f); box-shadow: var(--shadow); }
.page-hero h1 { font-size: clamp(2.2rem, 4vw, 4rem); }
.page-hero p { color: rgba(255,255,255,.75); font-size: 1.08rem; }
.filter-bar { display: flex; flex-wrap: wrap; gap: .65rem; padding: .75rem; border-radius: 999px; background: #fff; }
.filter-chip { color: var(--muted); border-radius: 999px; padding: .72rem 1rem; font-weight: 900; }
.filter-chip.active, .filter-chip:hover { color: var(--navy); background: #dcf8ff; }
.back-link { color: #007f9c; font-weight: 900; }
.detail-panel, .form-panel, .success-panel { border-radius: 2rem; padding: clamp(1.4rem, 4vw, 2.4rem); background: rgba(255,255,255,.88); }
.detail-panel h1 { font-size: clamp(2.2rem, 4vw, 4rem); margin-top: 1rem; }
.detail-price { font-size: 1.25rem; margin: 1.4rem 0; color: var(--muted); }
.detail-price strong { color: var(--navy); font-size: 2rem; }
.detail-body { color: #415363; line-height: 1.85; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.detail-payment { top: 6rem; background: linear-gradient(145deg, #0a2d43, #061724); }
.form-panel .form-control, .form-panel .form-select { border-radius: 1rem; padding: .9rem 1rem; border: 1px solid rgba(6,23,36,.12); }
.form-panel .form-control:focus, .form-panel .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 .25rem rgba(0,209,255,.14); }
.form-label { font-weight: 900; }
.form-note { color: var(--muted); }
.success-panel { max-width: 850px; text-align: center; }
.success-icon { width: 5rem; height: 5rem; margin: 0 auto 1rem; display: grid; place-items: center; border-radius: 50%; color: var(--navy); background: linear-gradient(135deg, var(--secondary), var(--primary)); font-size: 2.4rem; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; margin-top: 1.5rem; }
.summary-grid div { padding: 1rem; border-radius: 1rem; background: #edf8fc; }
.summary-grid span { display: block; color: var(--muted); font-size: .82rem; font-weight: 800; }
.summary-grid strong { display: block; color: var(--navy); }
.empty-state { padding: 2rem; border-radius: 1.5rem; background: #fff; color: var(--muted); text-align: center; }

.whatsapp-float { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 1000; display: grid; place-items: center; width: 3.8rem; height: 3.8rem; border-radius: 50%; color: #061724; background: linear-gradient(135deg, var(--secondary), var(--primary)); box-shadow: 0 18px 42px rgba(0,209,255,.38); font-size: 1.75rem; }
.whatsapp-float:hover { color: #061724; transform: translateY(-2px); }
.site-footer { padding: 2rem 0; color: rgba(255,255,255,.72); background: var(--navy); }
.site-footer strong { color: #fff; }
.footer-brand { display: inline-flex; align-items: center; gap: .85rem; }
.footer-logo {
    position: relative;
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    width: 3.2rem;
    height: 3.2rem;
    padding: .2rem;
    border-radius: 1rem;
    overflow: hidden;
    background: rgba(255, 255, 255, .95);
    box-shadow: 0 12px 32px rgba(0, 209, 255, .18);
}
.footer-payments { color: var(--secondary); font-weight: 900; }

@media (max-width: 991.98px) {
    .hero-stats, .summary-grid { grid-template-columns: 1fr; }
    .filter-bar { border-radius: 1.25rem; }
    .page-shell { padding-top: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
    .tech-loader { display: none; }
}