/* =========================================================
   Lotus365APK.org — Main Stylesheet
   ========================================================= */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #e8eaf0;
    background: #0b0d14;
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
ul { padding-left: 1.25rem; }
ul li { margin-bottom: .5rem; }
h1, h2, h3, h4 {
    font-family: 'Chakra Petch', 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -.01em;
    line-height: 1.2;
    margin: 0 0 1rem;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
p { margin: 0 0 1rem; color: #c4c8d4; }

/* ---------- CSS Variables ---------- */
:root {
    --color-bg: #0b0d14;
    --color-surface: #14171f;
    --color-surface-2: #1c2030;
    --color-border: #232838;
    --color-primary: #e9b04a;
    --color-primary-2: #f3c462;
    --color-accent: #d63d4f;
    --color-accent-2: #b62c3c;
    --color-success: #25d366;
    --color-success-dark: #1da851;
    --color-text: #e8eaf0;
    --color-muted: #9098ad;
    --shadow-card: 0 10px 30px rgba(0,0,0,.35);
    --shadow-glow: 0 8px 24px rgba(233,176,74,.25);
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 20px;
}

/* ---------- Layout Helpers ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}
.section {
    padding: clamp(3rem, 6vw, 5rem) 0;
}
.section--alt {
    background: linear-gradient(180deg, #0d1018 0%, #14171f 100%);
}
.section--white {
    background: #fff;
    color: #1c2030;
}
.section--white p { color: #4a5168; }
.section--white h2, .section--white h3 { color: #14171f; }

.section-title {
    text-align: center;
    margin-bottom: 2.5rem;
}
.section-title h2 {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: .5rem;
}
.section--white .section-title h2 {
    background: linear-gradient(90deg, #b8801f 0%, #d63d4f 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.section-title p {
    max-width: 680px;
    margin: 0 auto;
    color: var(--color-muted);
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11,13,20,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 0;
    gap: 1rem;
}
.brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--color-text);
}
.brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    display: grid;
    place-items: center;
    color: #14171f;
    font-weight: 800;
    font-size: 1.05rem;
    box-shadow: 0 4px 14px rgba(233,176,74,.4);
}
.brand-name span { color: var(--color-primary); }

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.6rem;
}
.main-nav a {
    color: #c4c8d4;
    font-weight: 500;
    font-size: .95rem;
    position: relative;
}
.main-nav a:hover, .main-nav a.is-active {
    color: var(--color-primary);
}
.main-nav a.is-active::after {
    content: "";
    position: absolute;
    left: 0; right: 0;
    bottom: -6px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

.btn-burger {
    display: none;
    background: transparent;
    border: 0;
    color: var(--color-text);
    cursor: pointer;
    padding: .4rem;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    padding: .85rem 1.6rem;
    border-radius: 999px;
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 600;
    font-size: .98rem;
    letter-spacing: .02em;
    cursor: pointer;
    border: 0;
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    white-space: nowrap;
}
.btn--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-2) 100%);
    color: #14171f;
    box-shadow: var(--shadow-glow);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(233,176,74,.4);
}
.btn--whatsapp {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
    color: #fff;
    box-shadow: 0 8px 22px rgba(37,211,102,.35);
}
.btn--whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(37,211,102,.45);
}
.btn--outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}
.btn--outline:hover {
    background: var(--color-primary);
    color: #14171f;
}
.btn--xl {
    padding: 1.1rem 2.2rem;
    font-size: 1.1rem;
}
.btn--block { width: 100%; }
.btn-icon { width: 22px; height: 22px; flex-shrink: 0; }

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: clamp(3rem, 7vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
    background-color: #0b0d14;
    overflow: hidden;
    isolation: isolate;
}
.hero__bg {
    position: absolute;
    inset: 0;
    background-image: url('2151702102.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
    transform: scale(1.04);
    animation: hero-zoom 18s ease-in-out infinite alternate;
}
@keyframes hero-zoom {
    0%   { transform: scale(1.04); }
    100% { transform: scale(1.12); }
}
.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(70% 70% at 80% 20%, rgba(233,176,74,.18) 0%, transparent 65%),
        radial-gradient(60% 60% at 15% 85%, rgba(214,61,79,.18) 0%, transparent 65%),
        linear-gradient(160deg, rgba(11,13,20,.82) 0%, rgba(11,13,20,.72) 50%, rgba(22,26,38,.88) 100%);
}
.hero__overlay::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: .7;
}
.hero__inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 880px;
    margin: 0 auto;
}
.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .35rem 1rem;
    background: rgba(233,176,74,.12);
    border: 1px solid rgba(233,176,74,.3);
    border-radius: 999px;
    color: var(--color-primary);
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.hero h1 {
    line-height: 1.1;
    margin-bottom: 1.2rem;
}
.hero h1 .grad {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero__lead {
    font-size: 1.15rem;
    color: #c4c8d4;
    margin-bottom: 2rem;
}
.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
}
.hero__stat {
    background: rgba(28,32,48,.7);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    backdrop-filter: blur(8px);
}
.hero__stat-icon {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: .35rem;
}
.hero__stat strong { color: var(--color-text); display: block; font-size: 1rem; }
.hero__stat span { color: var(--color-muted); font-size: .82rem; }

/* ---------- Page Title ---------- */
.page-title {
    padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(1.5rem, 3vw, 2.5rem);
    background: linear-gradient(160deg, #14171f 0%, #1c2030 100%);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}
.page-title h1 {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0;
}
.breadcrumb {
    color: var(--color-muted);
    font-size: .9rem;
    margin-top: .75rem;
}
.breadcrumb a { color: var(--color-primary); }

/* ---------- Author Block ---------- */
.author-block {
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin: 2rem auto;
    max-width: 800px;
}
.author-avatar {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.5rem;
    flex-shrink: 0;
    overflow: hidden;
    padding: 3px;
    box-shadow: 0 6px 18px rgba(233,176,74,.25);
}
.author-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}
.author-meta {
    font-size: .9rem;
    color: var(--color-muted);
}
.author-meta strong { color: var(--color-text); display: block; font-size: 1rem; margin-bottom: .15rem; }
.author-meta .position { color: var(--color-primary); font-size: .85rem; margin-bottom: .25rem; display: block; }

/* ---------- Payment Strip / Marquee ---------- */
.payment-strip {
    padding: 2.5rem 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
}
.payment-strip h3 {
    text-align: center;
    color: var(--color-muted);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    margin-bottom: 1.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}
.marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
            mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}
.marquee__track {
    display: flex;
    width: max-content;
    gap: 2.5rem;
    align-items: center;
    animation: marquee-scroll 32s linear infinite;
}
.marquee:hover .marquee__track {
    animation-play-state: paused;
}
.marquee__item {
    flex: 0 0 auto;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: .85rem 1.4rem;
    height: 70px;
    min-width: 140px;
    display: grid;
    place-items: center;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.marquee__item:hover {
    transform: translateY(-3px);
    border-color: rgba(233,176,74,.55);
    box-shadow: 0 8px 18px rgba(0,0,0,.35);
}
.marquee__item img {
    max-height: 38px;
    max-width: 110px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: brightness(1.05);
}
@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
    .marquee__track { animation: none; }
}

/* ---------- Feature Cards ---------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}
.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity .3s ease;
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(233,176,74,.4);
    box-shadow: var(--shadow-card);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(233,176,74,.18), rgba(214,61,79,.18));
    color: var(--color-primary);
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.feature-card h3 { margin-bottom: .5rem; color: var(--color-text); }
.feature-card p { font-size: .94rem; margin: 0; }

.section--white .feature-card {
    background: #f7f8fb;
    border-color: #e0e3ec;
}
.section--white .feature-card:hover { border-color: var(--color-primary); }
.section--white .feature-card h3 { color: #14171f; }

/* ---------- Security Strip ---------- */
.security-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}
.security-pill {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .65rem;
    color: var(--color-text);
    font-weight: 600;
    font-size: .92rem;
}
.security-pill i { color: var(--color-primary); font-size: 1.2rem; }

/* ---------- Steps / Journey ---------- */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}
.step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    position: relative;
    transition: border-color .25s ease, transform .25s ease;
}
.step:hover {
    border-color: rgba(233,176,74,.4);
    transform: translateY(-4px);
}
.step__num {
    position: absolute;
    top: -22px;
    left: 1.75rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #14171f;
    display: grid;
    place-items: center;
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: var(--shadow-glow);
}
.step h3 { margin: 1rem 0 .5rem; }
.step p { margin: 0; font-size: .94rem; }

/* ---------- Comparison ---------- */
.compare-table {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 1rem;
}
.compare-row {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}
.compare-row:last-child { border-bottom: 0; }
.compare-row--head {
    background: linear-gradient(90deg, rgba(233,176,74,.1), rgba(214,61,79,.08));
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 700;
    color: var(--color-text);
}
.compare-row--head .compare-good { color: var(--color-primary); }
.compare-good { color: #6cd687; font-weight: 600; }
.compare-good::before { content: "✓ "; color: var(--color-success); }
.compare-bad { color: var(--color-muted); }
.compare-bad::before { content: "× "; color: var(--color-accent); margin-right: .15rem; }
.compare-label { color: var(--color-muted); font-weight: 500; }

/* ---------- Stats ---------- */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.stat {
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    transition: transform .25s ease;
}
.stat:hover { transform: translateY(-4px); }
.stat__value {
    font-family: 'Chakra Petch', sans-serif;
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 700;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: .5rem;
}
.stat__label {
    color: var(--color-muted);
    font-size: .92rem;
    margin: 0;
}

/* ---------- FAQ ---------- */
.faq {
    max-width: 850px;
    margin: 0 auto;
}
.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: .85rem;
    overflow: hidden;
    transition: border-color .25s ease;
}
.faq-item[open] { border-color: rgba(233,176,74,.4); }
.faq-item summary {
    padding: 1.1rem 1.5rem;
    cursor: pointer;
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform .25s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item-body {
    padding: 0 1.5rem 1.25rem;
    color: var(--color-muted);
    font-size: .96rem;
}
.faq-item-body p { color: var(--color-muted); }

/* ---------- Content / Article ---------- */
.article {
    max-width: 880px;
    margin: 0 auto;
}
.article p, .article ul { color: #c4c8d4; }
.article ul li { margin-bottom: .5rem; }
.article strong { color: var(--color-text); }
.article h2 {
    margin-top: 2.5rem;
    color: var(--color-primary);
    border-left: 4px solid var(--color-primary);
    padding-left: 1rem;
}
.article h3 {
    margin-top: 1.75rem;
    color: var(--color-primary-2);
}
.article-figure {
    margin: 2rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
    position: relative;
}
.article-figure img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform .6s ease;
}
.article-figure:hover img {
    transform: scale(1.02);
}
.article-figure figcaption {
    padding: .85rem 1.25rem;
    background: linear-gradient(180deg, rgba(28,32,48,.0), rgba(28,32,48,.85));
    color: var(--color-muted);
    font-size: .88rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
}
.callout {
    background: linear-gradient(135deg, rgba(233,176,74,.08), rgba(214,61,79,.06));
    border: 1px solid rgba(233,176,74,.3);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
}
.callout p { margin: 0; }
.callout strong { color: var(--color-primary); }

.cta-banner {
    background:
        radial-gradient(60% 100% at 0% 50%, rgba(233,176,74,.18) 0%, transparent 60%),
        radial-gradient(60% 100% at 100% 50%, rgba(214,61,79,.15) 0%, transparent 60%),
        linear-gradient(180deg, #14171f, #1c2030);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin: 2.5rem 0;
}
.cta-banner h3 {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin-bottom: .75rem;
}
.cta-banner p { max-width: 600px; margin: 0 auto 1.5rem; }

/* ---------- Tables / Specs ---------- */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 1.5rem 0;
}
.specs-table th, .specs-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.specs-table th {
    background: rgba(233,176,74,.08);
    color: var(--color-primary);
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 600;
    font-size: .92rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.specs-table tr:last-child td { border-bottom: 0; }
.specs-table td:first-child { color: var(--color-muted); width: 40%; }

/* ---------- Footer ---------- */
.responsible {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    text-align: center;
}
.responsible h3 {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    margin: 0 0 1rem;
    color: var(--color-text);
    font-size: 1.15rem;
}
.responsible-badge {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: .85rem;
    font-family: 'Chakra Petch', sans-serif;
}
.responsible-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    justify-content: center;
    align-items: center;
    margin-top: 1.25rem;
}
.responsible-list a {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: .75rem 1.25rem;
    height: 70px;
    min-width: 150px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.responsible-list a:hover {
    transform: translateY(-3px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 18px rgba(0,0,0,.25);
}
.responsible-list img {
    max-height: 44px;
    max-width: 140px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

.site-footer {
    background: #07090f;
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 1.5rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 2rem;
}
.footer-col h4 {
    color: var(--color-primary);
    font-size: 1.05rem;
    margin-bottom: 1rem;
}
.footer-col p {
    color: var(--color-muted);
    font-size: .92rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: .55rem; }
.footer-col ul a {
    color: #c4c8d4;
    font-size: .94rem;
}
.footer-col ul a:hover { color: var(--color-primary); }
.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: .88rem;
}
.footer-bottom p { color: var(--color-muted); margin: 0; }

/* ---------- WhatsApp Sticky Button ---------- */
.wa-sticky {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 50;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    display: grid;
    place-items: center;
    color: #fff;
    box-shadow: 0 12px 28px rgba(37,211,102,.45);
    animation: wa-pulse 2.4s ease-in-out infinite;
    transition: transform .2s ease;
}
.wa-sticky:hover { transform: scale(1.06); }
@keyframes wa-pulse {
    0%, 100% { box-shadow: 0 12px 28px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.5); }
    50% { box-shadow: 0 12px 28px rgba(37,211,102,.45), 0 0 0 18px rgba(37,211,102,0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .main-nav {
        position: fixed;
        top: 64px;
        right: 0;
        width: 280px;
        max-width: 80%;
        height: calc(100vh - 64px);
        background: var(--color-surface);
        border-left: 1px solid var(--color-border);
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem;
        gap: 1rem;
        transform: translateX(100%);
        transition: transform .25s ease;
    }
    .main-nav.is-open { transform: translateX(0); }
    .main-nav a { width: 100%; padding: .5rem 0; }
    .btn-burger { display: inline-flex; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .compare-row { grid-template-columns: 1fr 1fr; padding: .9rem 1rem; font-size: .9rem; }
    .compare-row--head .compare-label { display: none; }
    .compare-row .compare-label { grid-column: 1 / -1; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .25rem; }
    .hero__stats { grid-template-columns: 1fr; }
    .author-block { flex-direction: column; text-align: center; }
}