/* ==========================================================================
   KH NUTRIX — Design System
   Modern nutrition for healthy livestock.
   Palette: #17C964 green · #0F172A slate · #8B5CF6 purple · #FACC15 yellow
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------------------- */
:root {
    /* Brand */
    --kh-green: #17C964;
    --kh-green-600: #12A150;
    --kh-green-700: #0E793C;
    --kh-green-soft: #E8FBF0;

    --kh-slate: #0F172A;
    --kh-slate-700: #334155;
    --kh-slate-500: #64748B;
    --kh-slate-300: #CBD5E1;
    --kh-slate-100: #F1F5F9;

    --kh-purple: #8B5CF6;
    --kh-purple-600: #7C3AED;
    --kh-purple-soft: #F3EEFF;

    --kh-yellow: #FACC15;
    --kh-yellow-soft: #FEF9E7;

    --kh-blue: #38BDF8;
    --kh-pink: #F472B6;

    /* Surfaces */
    --kh-bg: #FBFCFC;
    --kh-surface: #FFFFFF;
    --kh-border: rgba(15, 23, 42, .08);

    /* Gradients */
    --grad-brand: linear-gradient(135deg, #17C964 0%, #38BDF8 50%, #8B5CF6 100%);
    --grad-green: linear-gradient(135deg, #17C964 0%, #0E793C 100%);
    --grad-purple: linear-gradient(135deg, #8B5CF6 0%, #6366F1 100%);
    --grad-sun: linear-gradient(135deg, #FACC15 0%, #FB923C 100%);
    --grad-cta: linear-gradient(120deg, #7C3AED 0%, #6366F1 40%, #17C964 100%);
    --grad-dark: linear-gradient(160deg, #0F172A 0%, #1E293B 100%);

    /* Typography */
    --font-sans: 'Montserrat', sans-serif;

    /* Radii */
    --r-sm: 12px;
    --r-md: 20px;
    --r-lg: 30px;
    --r-xl: 40px;
    --r-pill: 999px;

    /* Shadows */
    --sh-xs: 0 1px 2px rgba(15, 23, 42, .06);
    --sh-sm: 0 4px 14px rgba(15, 23, 42, .06);
    --sh-md: 0 12px 32px rgba(15, 23, 42, .09);
    --sh-lg: 0 24px 60px rgba(15, 23, 42, .12);
    --sh-glow-green: 0 12px 34px rgba(23, 201, 100, .32);
    --sh-glow-purple: 0 12px 34px rgba(139, 92, 246, .32);

    /* Motion */
    --ease: cubic-bezier(.22, 1, .36, 1);
    --ease-bounce: cubic-bezier(.34, 1.56, .64, 1);

    --nav-h: 82px;
}

/* --------------------------------------------------------------------------
   2. BASE
   -------------------------------------------------------------------------- */
* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 20px);
}

body {
    font-family: var(--font-sans);
    background: var(--kh-bg);
    color: var(--kh-slate-700);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    color: var(--kh-slate);
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.15;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.8rem); }

p { color: var(--kh-slate-500); }

a { text-decoration: none; transition: color .25s var(--ease); }

img { max-width: 100%; height: auto; }

::selection { background: var(--kh-green); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--kh-slate-100); }
::-webkit-scrollbar-thumb {
    background: var(--grad-green);
    border-radius: var(--r-pill);
}

/* Focus visibility — keyboard users must never lose the ring */
:focus-visible {
    outline: 3px solid var(--kh-purple);
    outline-offset: 3px;
    border-radius: 6px;
}

.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section-tight { padding: clamp(48px, 6vw, 80px) 0; }

/* --------------------------------------------------------------------------
   3. UTILITIES
   -------------------------------------------------------------------------- */
.text-gradient {
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-green {
    background: var(--grad-green);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--r-pill);
    background: var(--kh-green-soft);
    color: var(--kh-green-700);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.eyebrow-purple { background: var(--kh-purple-soft); color: var(--kh-purple-600); }
.eyebrow-light { background: rgba(255, 255, 255, .14); color: #fff; }

.lead { font-size: clamp(1rem, 1.6vw, 1.15rem); color: var(--kh-slate-500); }

.section-head { max-width: 720px; margin: 0 auto 60px; text-align: center; }

/* Glass surface */
.glass {
    background: rgba(255, 255, 255, .72);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, .6);
}

.glass-dark {
    background: rgba(255, 255, 255, .07);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, .14);
}

/* --------------------------------------------------------------------------
   4. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
    font-weight: 700;
    border-radius: var(--r-pill);
    padding: 14px 32px;
    border: none;
    transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: .96rem;
}

.btn:active { transform: translateY(1px) scale(.99); }

.btn-kh {
    background: var(--grad-green);
    color: #fff;
    box-shadow: var(--sh-glow-green);
}
.btn-kh:hover {
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 18px 42px rgba(23, 201, 100, .45);
}

.btn-kh-purple {
    background: var(--grad-purple);
    color: #fff;
    box-shadow: var(--sh-glow-purple);
}
.btn-kh-purple:hover {
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 18px 42px rgba(139, 92, 246, .45);
}

.btn-kh-dark {
    background: var(--kh-slate);
    color: #fff;
}
.btn-kh-dark:hover { color: #000; border: 1px solid #000; transform: translateY(-3px); box-shadow: var(--sh-lg); }

.btn-kh-ghost {
    background: #fff;
    color: var(--kh-slate);
    border: 2px solid var(--kh-border);
    box-shadow: var(--sh-xs);
}
.btn-kh-ghost:hover {
    color: var(--kh-green-700);
    border-color: var(--kh-green);
    transform: translateY(-3px);
    box-shadow: var(--sh-md);
}

.btn-kh-light {
    background: rgba(255, 255, 255, .16);
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, .35);
    backdrop-filter: blur(10px);
}
.btn-kh-light:hover {
    background: #fff;
    color: var(--kh-slate);
    transform: translateY(-3px);
}

.btn-lg-kh { padding: 17px 40px; font-size: 1.03rem; }
.btn-sm-kh { padding: 10px 22px; font-size: .85rem; }

/* Magnetic buttons get a subtle transform driven by JS */
.magnetic { will-change: transform; }

/* --------------------------------------------------------------------------
   5. PRELOADER
   -------------------------------------------------------------------------- */
#kh-preloader {
    position: fixed;
    inset: 0;
    background: var(--kh-bg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 26px;
    transition: opacity .6s var(--ease), visibility .6s;
}

#kh-preloader.is-done { opacity: 0; visibility: hidden; }

.preloader-mark {
    font-weight: 900;
    font-size: 2rem;
    letter-spacing: -.03em;
    line-height: 1;
    text-align: center;
}
.preloader-mark small {
    display: block;
    font-size: .7rem;
    letter-spacing: .5em;
    color: var(--kh-green);
    margin-bottom: 2px;
}

.preloader-bar {
    width: 190px;
    height: 5px;
    border-radius: var(--r-pill);
    background: var(--kh-slate-100);
    overflow: hidden;
}
.preloader-bar span {
    display: block;
    height: 100%;
    width: 40%;
    border-radius: var(--r-pill);
    background: var(--grad-brand);
    animation: preload 1.1s var(--ease) infinite;
}

@keyframes preload {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(320%); }
}

/* --------------------------------------------------------------------------
   6. NAVBAR
   -------------------------------------------------------------------------- */
.kh-navbar {
    padding: 18px 0;
    transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
    background: transparent;
}

.kh-navbar.is-stuck {
    padding: 10px 0;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(22px) saturate(170%);
    -webkit-backdrop-filter: blur(22px) saturate(170%);
    box-shadow: 0 6px 30px rgba(15, 23, 42, .08);
}

.kh-logo { display: flex; align-items: center; gap: 12px; }

.kh-logo-mark {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--grad-green);
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 900;
    font-size: .95rem;
    letter-spacing: -.04em;
    box-shadow: var(--sh-glow-green);
    transition: transform .4s var(--ease-bounce);
}
.kh-logo:hover .kh-logo-mark { transform: rotate(-8deg) scale(1.06); }

.kh-logo-text { line-height: 1; }
.kh-logo-text small {
    display: block;
    font-size: .62rem;
    font-weight: 700;
    letter-spacing: .34em;
    color: var(--kh-green);
}
.kh-logo-text strong {
    display: block;
    font-size: 1.32rem;
    font-weight: 900;
    letter-spacing: -.035em;
    color: var(--kh-slate);
}

.kh-nav .nav-link {
    font-weight: 600;
    color: var(--kh-slate-700);
    padding: 10px 18px !important;
    border-radius: var(--r-pill);
    position: relative;
    transition: color .25s var(--ease), background .25s var(--ease);
}

.kh-nav .nav-link::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 4px;
    width: 0;
    height: 3px;
    border-radius: var(--r-pill);
    background: var(--grad-green);
    transform: translateX(-50%);
    transition: width .35s var(--ease);
}

.kh-nav .nav-link:hover { color: var(--kh-green-700); }
.kh-nav .nav-link:hover::after { width: 20px; }

.kh-nav .nav-link.active {
    color: var(--kh-green-700);
    background: var(--kh-green-soft);
}
.kh-nav .nav-link.active::after { width: 20px; }

.navbar-toggler {
    border: none;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--kh-slate);
    display: grid;
    place-items: center;
    padding: 0;
}
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler span {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    position: relative;
    transition: background .2s;
}
.navbar-toggler span::before,
.navbar-toggler span::after {
    content: '';
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform .3s var(--ease);
}
.navbar-toggler span::before { top: -6px; }
.navbar-toggler span::after { top: 6px; }
.navbar-toggler[aria-expanded="true"] span { background: transparent; }
.navbar-toggler[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.navbar-toggler[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 991.98px) {
    .kh-navbar .navbar-collapse {
        background: #fff;
        margin-top: 14px;
        padding: 16px;
        border-radius: var(--r-md);
        box-shadow: var(--sh-lg);
        border: 1px solid var(--kh-border);
    }
    .kh-nav .nav-link { padding: 12px 16px !important; }
    .kh-nav .nav-link::after { display: none; }
}

/* --------------------------------------------------------------------------
   7. DECORATIVE BACKGROUND (blobs + particles)
   -------------------------------------------------------------------------- */
.kh-blobs {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .5;
    animation: blobFloat 18s ease-in-out infinite;
}

.blob-1 { width: 460px; height: 460px; background: rgba(23, 201, 100, .5);  top: -140px; left: -110px; }
.blob-2 { width: 400px; height: 400px; background: rgba(139, 92, 246, .42); top: 90px;   right: -120px; animation-delay: -6s; }
.blob-3 { width: 340px; height: 340px; background: rgba(250, 204, 21, .38); bottom: -130px; left: 38%;  animation-delay: -12s; }

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(34px, -28px) scale(1.09); }
    66%      { transform: translate(-26px, 22px) scale(.94); }
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--kh-green);
    opacity: .28;
    animation: particleRise linear infinite;
}

@keyframes particleRise {
    0%   { transform: translateY(0) translateX(0); opacity: 0; }
    12%  { opacity: .32; }
    88%  { opacity: .32; }
    100% { transform: translateY(-460px) translateX(56px); opacity: 0; }
}

.leaf-float {
    position: absolute;
    font-size: 1.2rem;
    opacity: .4;
    animation: leafDrift 13s ease-in-out infinite;
    pointer-events: none;
}

@keyframes leafDrift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25%      { transform: translate(22px, -22px) rotate(15deg); }
    50%      { transform: translate(-14px, -34px) rotate(-12deg); }
    75%      { transform: translate(-24px, -14px) rotate(9deg); }
}

/* --------------------------------------------------------------------------
   8. HERO
   -------------------------------------------------------------------------- */
.kh-hero {
    position: relative;
    padding: calc(var(--nav-h) + 46px) 0 90px;
    overflow: hidden;
}

.kh-hero .container { position: relative; z-index: 2; }

.hero-kicker {
    font-size: clamp(.95rem, 1.6vw, 1.15rem);
    font-weight: 800;
    letter-spacing: .42em;
    color: var(--kh-green);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.hero-title {
    font-size: clamp(3.4rem, 10vw, 7.4rem);
    font-weight: 900;
    letter-spacing: -.05em;
    line-height: .92;
    margin-bottom: 22px;
}

.hero-sub {
    font-size: clamp(1rem, 1.7vw, 1.2rem);
    color: var(--kh-slate-500);
    max-width: 540px;
    margin-bottom: 34px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 38px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--r-pill);
    background: #fff;
    border: 1px solid var(--kh-border);
    font-size: .84rem;
    font-weight: 600;
    color: var(--kh-slate-700);
    box-shadow: var(--sh-xs);
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.hero-badge:hover { transform: translateY(-3px); box-shadow: var(--sh-md); }
.hero-badge i { color: var(--kh-green); }

/* --- Mascot --- */
.mascot-stage {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 460px;
}

.mascot-glow {
    position: absolute;
    width: 78%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(23, 201, 100, .28) 0%, rgba(139, 92, 246, .16) 45%, transparent 70%);
    animation: glowPulse 5s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1);    opacity: .8; }
    50%      { transform: scale(1.09); opacity: 1; }
}

.mascot-wrap {
    position: relative;
    z-index: 2;
    width: min(400px, 82%);
    animation: mascotIdle 3.6s ease-in-out infinite;
}

@keyframes mascotIdle {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-14px) rotate(1deg); }
}

.mascot-svg { width: 100%; height: auto; overflow: visible; }

/* Mascot part animations */
.m-ear-l  { transform-origin: 118px 96px;  animation: earWiggle 4s ease-in-out infinite; }
.m-ear-r  { transform-origin: 282px 96px;  animation: earWiggle 4s ease-in-out infinite reverse; }
.m-tail   { transform-origin: 330px 250px; animation: tailWag 2.4s ease-in-out infinite; }
.m-eyelid { animation: blink 4.4s ease-in-out infinite; transform-origin: center; }
.m-jaw    { transform-origin: 200px 210px; animation: chew 2.8s ease-in-out infinite; }
.m-grass  { transform-origin: 200px 232px; animation: grassSway 2.8s ease-in-out infinite; }

@keyframes earWiggle {
    0%, 82%, 100% { transform: rotate(0deg); }
    88%           { transform: rotate(-13deg); }
    94%           { transform: rotate(7deg); }
}

@keyframes tailWag {
    0%, 100% { transform: rotate(0deg); }
    50%      { transform: rotate(17deg); }
}

@keyframes blink {
    0%, 92%, 100% { transform: scaleY(0); }
    95%, 97%      { transform: scaleY(1); }
}

@keyframes chew {
    0%, 100% { transform: translateY(0)   scaleY(1); }
    50%      { transform: translateY(2px) scaleY(.97); }
}

@keyframes grassSway {
    0%, 100% { transform: rotate(0deg); }
    50%      { transform: rotate(-6deg); }
}

.mascot-shadow {
    position: absolute;
    bottom: 34px;
    width: 46%;
    height: 26px;
    border-radius: 50%;
    background: rgba(15, 23, 42, .14);
    filter: blur(14px);
    animation: shadowPulse 3.6s ease-in-out infinite;
}

@keyframes shadowPulse {
    0%, 100% { transform: scale(1);   opacity: .5; }
    50%      { transform: scale(.86); opacity: .32; }
}

/* Floating nutrition icons around mascot */
.nutri-icon {
    position: absolute;
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    font-size: 1.35rem;
    background: #fff;
    box-shadow: var(--sh-md);
    z-index: 3;
    animation: iconFloat 5.5s ease-in-out infinite;
    transition: transform .35s var(--ease-bounce);
}
.nutri-icon:hover { transform: scale(1.16) rotate(8deg); }

.nutri-icon.n1 { top: 6%;  left: 2%;   animation-delay: 0s; }
.nutri-icon.n2 { top: 24%; right: 0%;  animation-delay: -1.1s; }
.nutri-icon.n3 { bottom: 30%; left: -2%; animation-delay: -2.2s; }
.nutri-icon.n4 { bottom: 10%; right: 6%; animation-delay: -3.3s; }
.nutri-icon.n5 { top: 48%; right: -4%;  animation-delay: -4.4s; }
.nutri-icon.n6 { top: 2%;  right: 26%;  animation-delay: -2.8s; }

@keyframes iconFloat {
    0%, 100% { transform: translateY(0)     rotate(0deg); }
    50%      { transform: translateY(-18px) rotate(6deg); }
}

@media (max-width: 991.98px) {
    .mascot-stage { min-height: 380px; margin-top: 40px; }
    .nutri-icon { width: 48px; height: 48px; font-size: 1.1rem; }
}

/* --------------------------------------------------------------------------
   9. MARQUEE / TRUST BAR
   -------------------------------------------------------------------------- */
.kh-marquee {
    background: var(--kh-slate);
    padding: 20px 0;
    overflow: hidden;
    position: relative;
}

.kh-marquee::before,
.kh-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    width: 130px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}
.kh-marquee::before { left: 0;  background: linear-gradient(90deg, var(--kh-slate), transparent); }
.kh-marquee::after  { right: 0; background: linear-gradient(270deg, var(--kh-slate), transparent); }

.marquee-track {
    display: flex;
    gap: 52px;
    width: max-content;
    animation: marquee 34s linear infinite;
}
.kh-marquee:hover .marquee-track { animation-play-state: paused; }

@keyframes marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, .82);
    font-weight: 600;
    font-size: .95rem;
    white-space: nowrap;
}
.marquee-item i { color: var(--kh-green); }

/* --------------------------------------------------------------------------
   10. BENTO GRID
   -------------------------------------------------------------------------- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.bento-card {
    border-radius: var(--r-lg);
    padding: 32px;
    position: relative;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--kh-border);
    box-shadow: var(--sh-sm);
    transition: transform .45s var(--ease), box-shadow .45s var(--ease);
    min-height: 210px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.bento-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: .1;
    transition: opacity .45s var(--ease);
}

.bento-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--sh-lg);
}
.bento-card:hover::before { opacity: .19; }

.bento-card > * { position: relative; z-index: 1; }

.bento-card h3 { font-size: 1.22rem; margin-bottom: 8px; }
.bento-card p  { font-size: .92rem; margin-bottom: 0; }

.bento-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    font-size: 1.6rem;
    background: #fff;
    box-shadow: var(--sh-sm);
    margin-bottom: auto;
    transition: transform .45s var(--ease-bounce);
}
.bento-card:hover .bento-icon { transform: scale(1.1) rotate(-8deg); }

/* Tints */
.bento-green::before  { background: var(--grad-green); }
.bento-purple::before { background: var(--grad-purple); }
.bento-yellow::before { background: var(--grad-sun); }
.bento-blue::before   { background: linear-gradient(135deg, #38BDF8, #6366F1); }
.bento-pink::before   { background: linear-gradient(135deg, #F472B6, #8B5CF6); }

/* Spans */
.bento-wide { grid-column: span 2; }
.bento-tall { grid-row: span 2; min-height: 440px; }

@media (max-width: 991.98px) {
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .bento-tall { grid-row: span 1; min-height: 210px; }
}
@media (max-width: 575.98px) {
    .bento-grid { grid-template-columns: 1fr; }
    .bento-wide { grid-column: span 1; }
    .bento-card { padding: 26px; min-height: 180px; }
}

/* --------------------------------------------------------------------------
   11. PRODUCT CARDS
   -------------------------------------------------------------------------- */
.product-card {
    background: #fff;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--kh-border);
    box-shadow: var(--sh-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease);
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--r-lg);
    padding: 2px;
    background: var(--grad-brand);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .45s var(--ease);
    pointer-events: none;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--sh-lg);
}
.product-card:hover::after { opacity: 1; }

.product-media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--kh-slate-100);
}

.product-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .8s var(--ease);
}
.product-card:hover .product-media img { transform: scale(1.12); }

.product-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 7px 16px;
    border-radius: var(--r-pill);
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    font-size: .74rem;
    font-weight: 700;
    color: var(--kh-green-700);
    text-transform: uppercase;
    letter-spacing: .06em;
    z-index: 2;
}

.product-body {
    padding: 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-body h3 {
    font-size: 1.18rem;
    margin-bottom: 8px;
}

.product-body > p {
    font-size: .92rem;
    margin-bottom: 16px;
}

.benefit-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}
.benefit-list li {
    font-size: .87rem;
    color: var(--kh-slate-700);
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-bottom: 7px;
}
.benefit-list li i {
    color: var(--kh-green);
    font-size: .95rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.product-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
    flex-wrap: wrap;
}
.product-actions .btn { flex: 1 1 auto; }

/* --------------------------------------------------------------------------
   12. STAT CARDS
   -------------------------------------------------------------------------- */
.stat-card {
    background: #fff;
    border-radius: var(--r-md);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--kh-border);
    box-shadow: var(--sh-sm);
    height: 100%;
    transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.stat-card:hover { transform: translateY(-7px); box-shadow: var(--sh-md); }

.stat-value {
    font-size: clamp(2.1rem, 4vw, 3rem);
    font-weight: 900;
    letter-spacing: -.04em;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: .87rem;
    font-weight: 600;
    color: var(--kh-slate-500);
    margin: 0;
}

.stat-card-dark {
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .14);
    backdrop-filter: blur(16px);
}
.stat-card-dark .stat-value { color: #fff; }
.stat-card-dark .stat-label { color: rgba(255, 255, 255, .72); }

/* --------------------------------------------------------------------------
   13. STEPS / TIMELINE
   -------------------------------------------------------------------------- */
.steps-row { position: relative; }

.steps-row::before {
    content: '';
    position: absolute;
    top: 52px;
    left: 12%;
    right: 12%;
    height: 3px;
    background: linear-gradient(90deg, var(--kh-green), var(--kh-blue), var(--kh-purple));
    opacity: .28;
    border-radius: var(--r-pill);
    z-index: 0;
}

@media (max-width: 767.98px) { .steps-row::before { display: none; } }

.step-item { text-align: center; position: relative; z-index: 1; }

.step-circle {
    width: 104px;
    height: 104px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 2.1rem;
    margin: 0 auto 22px;
    background: #fff;
    border: 3px solid var(--kh-green-soft);
    box-shadow: var(--sh-md);
    position: relative;
    transition: transform .45s var(--ease-bounce), box-shadow .45s var(--ease);
}
.step-item:hover .step-circle {
    transform: translateY(-8px) scale(1.06);
    box-shadow: var(--sh-glow-green);
}

.step-num {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--grad-green);
    color: #fff;
    font-size: .84rem;
    font-weight: 800;
    display: grid;
    place-items: center;
    border: 3px solid #fff;
}

.step-item h3 { font-size: 1.08rem; margin-bottom: 7px; }
.step-item p  { font-size: .89rem; margin: 0; }

/* Vertical story timeline */
.story-line { position: relative; padding-left: 46px; }

.story-line::before {
    content: '';
    position: absolute;
    left: 17px;
    top: 10px;
    bottom: 10px;
    width: 3px;
    border-radius: var(--r-pill);
    background: linear-gradient(180deg, var(--kh-green), var(--kh-blue), var(--kh-purple));
    opacity: .3;
}

.story-item { position: relative; padding-bottom: 40px; }
.story-item:last-child { padding-bottom: 0; }

.story-dot {
    position: absolute;
    left: -46px;
    top: 2px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--kh-green);
    display: grid;
    place-items: center;
    font-size: 1rem;
    box-shadow: var(--sh-sm);
}

.story-year {
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--kh-green-700);
    margin-bottom: 4px;
}
.story-item h3 { font-size: 1.16rem; margin-bottom: 7px; }
.story-item p  { font-size: .93rem; margin: 0; }

/* --------------------------------------------------------------------------
   14. TESTIMONIALS
   -------------------------------------------------------------------------- */
.review-card {
    background: #fff;
    border-radius: var(--r-lg);
    padding: 32px;
    border: 1px solid var(--kh-border);
    box-shadow: var(--sh-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform .45s var(--ease), box-shadow .45s var(--ease);
    position: relative;
}
.review-card:hover { transform: translateY(-9px); box-shadow: var(--sh-lg); }

.review-quote {
    font-size: 3.4rem;
    line-height: .7;
    font-family: Georgia, serif;
    color: var(--kh-green);
    opacity: .22;
    margin-bottom: 8px;
}

.review-stars { color: var(--kh-yellow); font-size: .92rem; margin-bottom: 14px; }

.review-card p {
    font-size: .95rem;
    color: var(--kh-slate-700);
    margin-bottom: 22px;
}

.review-author { display: flex; align-items: center; gap: 14px; margin-top: auto; }

.review-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    background: var(--kh-green-soft);
    flex-shrink: 0;
}

.review-author strong { display: block; font-size: .95rem; color: var(--kh-slate); }
.review-author span   { display: block; font-size: .82rem; color: var(--kh-slate-500); }

/* --------------------------------------------------------------------------
   15. BLOG CARDS
   -------------------------------------------------------------------------- */
.blog-card {
    background: #fff;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--kh-border);
    box-shadow: var(--sh-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.blog-card:hover { transform: translateY(-9px); box-shadow: var(--sh-lg); }

.blog-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--kh-slate-100);
}
.blog-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .8s var(--ease);
}
.blog-card:hover .blog-media img { transform: scale(1.1); }

.blog-cat {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 6px 14px;
    border-radius: var(--r-pill);
    background: var(--grad-green);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.blog-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: .8rem;
    color: var(--kh-slate-500);
    margin-bottom: 12px;
}
.blog-meta span { display: inline-flex; align-items: center; gap: 6px; }
.blog-meta i { color: var(--kh-green); }

.blog-body h3 { font-size: 1.14rem; margin-bottom: 10px; }
.blog-body h3 a { color: var(--kh-slate); }
.blog-body h3 a:hover { color: var(--kh-green-700); }

.blog-body p { font-size: .91rem; margin-bottom: 18px; }

.read-more {
    margin-top: auto;
    font-weight: 700;
    font-size: .89rem;
    color: var(--kh-green-700);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.read-more i { transition: transform .3s var(--ease); }
.read-more:hover { color: var(--kh-purple-600); }
.read-more:hover i { transform: translateX(5px); }

/* --------------------------------------------------------------------------
   16. CTA BANNER
   -------------------------------------------------------------------------- */
.kh-cta {
    position: relative;
    border-radius: var(--r-xl);
    background: var(--grad-cta);
    padding: clamp(46px, 6vw, 76px);
    overflow: hidden;
    color: #fff;
    box-shadow: var(--sh-lg);
}

.kh-cta h2 { color: #fff; }
.kh-cta p  { color: rgba(255, 255, 255, .88); }

.kh-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, .16) 0%, transparent 62%);
    animation: ctaShift 12s ease-in-out infinite;
}

@keyframes ctaShift {
    0%, 100% { transform: translate(0, 0); }
    50%      { transform: translate(60%, 12%); }
}

.kh-cta > * { position: relative; z-index: 1; }

.cta-float {
    position: absolute;
    font-size: 1.6rem;
    opacity: .55;
    animation: iconFloat 6s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   17. PAGE HEADER (inner pages)
   -------------------------------------------------------------------------- */
.page-header {
    position: relative;
    padding: calc(var(--nav-h) + 66px) 0 76px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--kh-green-soft) 0%, var(--kh-bg) 100%);
}

.page-header .container { position: relative; z-index: 2; }

.kh-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: .87rem;
    font-weight: 600;
    color: var(--kh-slate-500);
    margin-top: 16px;
}
.kh-breadcrumb a { color: var(--kh-green-700); }
.kh-breadcrumb a:hover { color: var(--kh-purple-600); }
.kh-breadcrumb i { font-size: .7rem; opacity: .6; }

/* --------------------------------------------------------------------------
   18. FORMS
   -------------------------------------------------------------------------- */
.kh-form-card {
    background: #fff;
    border-radius: var(--r-lg);
    padding: clamp(28px, 4vw, 44px);
    border: 1px solid var(--kh-border);
    box-shadow: var(--sh-md);
}

.form-label {
    font-size: .86rem;
    font-weight: 700;
    color: var(--kh-slate);
    margin-bottom: 8px;
}
.form-label .req { color: #EF4444; }

.form-control, .form-select {
    border-radius: var(--r-sm);
    border: 1.5px solid var(--kh-slate-300);
    padding: 13px 18px;
    font-size: .95rem;
    color: var(--kh-slate);
    transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
    background-color: #fff;
}

.form-control:focus, .form-select:focus {
    border-color: var(--kh-green);
    box-shadow: 0 0 0 4px rgba(23, 201, 100, .14);
    outline: none;
}

.form-control::placeholder { color: #94A3B8; }

.form-control.is-invalid, .form-select.is-invalid {
    border-color: #EF4444;
}
.form-control.is-invalid:focus, .form-select.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, .14);
}

.invalid-feedback { font-size: .82rem; font-weight: 600; }

/* Alerts */
.kh-alert {
    border-radius: var(--r-md);
    border: none;
    padding: 18px 22px;
    font-weight: 600;
    font-size: .93rem;
    display: flex;
    align-items: flex-start;
    gap: 13px;
}
.kh-alert i { font-size: 1.2rem; margin-top: 1px; flex-shrink: 0; }

.kh-alert-success { background: var(--kh-green-soft); color: var(--kh-green-700); }
.kh-alert-danger  { background: #FEE2E2;              color: #B91C1C; }

/* --------------------------------------------------------------------------
   19. CONTACT INFO CARDS
   -------------------------------------------------------------------------- */
.info-card {
    background: #fff;
    border-radius: 20px;
    padding: 15px 16px;
    text-align: center;
    border: 1px solid var(--kh-border);
    box-shadow: var(--sh-sm);
    height: 100%;
    transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.info-card:hover { transform: translateY(-8px); box-shadow: var(--sh-lg); }

.info-icon {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    color: #fff;
    margin: 0 auto 20px;
    background: var(--grad-green);
    box-shadow: var(--sh-glow-green);
    transition: transform .45s var(--ease-bounce);
}
.info-card:hover .info-icon { transform: rotate(-8deg) scale(1.08); }

.info-icon.purple { background: var(--grad-purple); box-shadow: var(--sh-glow-purple); }
.info-icon.sun    { background: var(--grad-sun);    box-shadow: 0 12px 34px rgba(250, 204, 21, .34); }
.info-icon.slate  { background: var(--grad-dark);   box-shadow: var(--sh-md); }

.info-card h3 { font-size: 1.06rem; margin-bottom: 0px; }
.info-card p  { font-size: .92rem; margin: 0; }
.info-card a  { color: var(--kh-slate-700); }
.info-card a:hover { color: var(--kh-green-700); }

.map-frame {
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--sh-md);
    border: 1px solid var(--kh-border);
    background: var(--kh-slate-100);
    min-height: 420px;
    position: relative;
}
.map-frame iframe { display: block; width: 100%; height: 100%; min-height: 420px; border: 0; }

/* --------------------------------------------------------------------------
   20. PRODUCT DETAIL
   -------------------------------------------------------------------------- */
.detail-media {
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--sh-lg);
    background: var(--kh-slate-100);
    position: relative;
}
.detail-media img { width: 100%; display: block; }

.spec-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--r-md);
    overflow: hidden;
    border: 1px solid var(--kh-border);
}
.spec-table th, .spec-table td {
    padding: 14px 20px;
    font-size: .92rem;
    border-bottom: 1px solid var(--kh-border);
}
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table th {
    background: var(--kh-slate-100);
    color: var(--kh-slate);
    font-weight: 700;
    width: 45%;
}
.spec-table td { color: var(--kh-slate-700); background: #fff; }

.pill-list { display: flex; flex-wrap: wrap; gap: 9px; padding: 0; margin: 0; list-style: none; }
.pill-list li {
    padding: 8px 16px;
    border-radius: var(--r-pill);
    background: var(--kh-green-soft);
    color: var(--kh-green-700);
    font-size: .84rem;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   21. ARTICLE / LEGAL BODY
   -------------------------------------------------------------------------- */
.article-body { font-size: 1.02rem; color: var(--kh-slate-700); }
.article-body h2 { font-size: 1.65rem; margin: 40px 0 16px; }
.article-body h3 { font-size: 1.25rem; margin: 32px 0 12px; }
.article-body p  { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 22px; }
.article-body li { margin-bottom: 9px; color: var(--kh-slate-700); }
.article-body strong { color: var(--kh-slate); font-weight: 700; }

.article-body blockquote {
    border-left: 4px solid var(--kh-green);
    background: var(--kh-green-soft);
    padding: 20px 26px;
    border-radius: 0 var(--r-md) var(--r-md) 0;
    margin: 28px 0;
    font-weight: 600;
    color: var(--kh-slate);
}

.sidebar-card {
    background: #fff;
    border-radius: var(--r-lg);
    padding: 28px;
    border: 1px solid var(--kh-border);
    box-shadow: var(--sh-sm);
    margin-bottom: 24px;
}
.sidebar-card h3 { font-size: 1.08rem; margin-bottom: 18px; }

.sidebar-list { list-style: none; padding: 0; margin: 0; }
.sidebar-list li { border-bottom: 1px solid var(--kh-border); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: .92rem;
    font-weight: 600;
    color: var(--kh-slate-700);
}
.sidebar-list a:hover { color: var(--kh-green-700); }

/* --------------------------------------------------------------------------
   22. FOOTER
   -------------------------------------------------------------------------- */
.kh-footer {
    background: var(--kh-slate);
    color: rgba(255, 255, 255, .68);
    padding: 84px 0 0;
    position: relative;
    overflow: hidden;
}

.kh-footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 30%, rgba(23, 201, 100, .1) 0%, transparent 42%),
                      radial-gradient(circle at 80% 70%, rgba(139, 92, 246, .1) 0%, transparent 42%);
    pointer-events: none;
}

.kh-footer .container { position: relative; z-index: 1; }

.kh-footer h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 22px;
    letter-spacing: -.01em;
}

.kh-footer p { color: rgba(255, 255, 255, .62); font-size: .93rem; }

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
    color: rgba(255, 255, 255, .62);
    font-size: .93rem;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    transition: color .25s var(--ease), transform .25s var(--ease);
}
.footer-links a::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--kh-green);
    opacity: 0;
    transition: opacity .25s var(--ease);
}
.footer-links a:hover { color: #fff; transform: translateX(5px); }
.footer-links a:hover::before { opacity: 1; }

.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li {
    display: flex;
    gap: 13px;
    margin-bottom: 16px;
    font-size: .93rem;
    color: rgba(255, 255, 255, .62);
}
.footer-contact i { color: var(--kh-green); margin-top: 4px; flex-shrink: 0; }
.footer-contact a { color: rgba(255, 255, 255, .62); }
.footer-contact a:hover { color: #fff; }

.social-row { display: flex; gap: 11px; margin-top: 24px; }

.social-btn {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, .08);
    color: rgba(255, 255, 255, .82);
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, .12);
    transition: transform .35s var(--ease-bounce), background .3s ease, color .3s ease;
}
.social-btn:hover {
    background: var(--grad-green);
    color: #fff;
    transform: translateY(-4px) rotate(-6deg);
    border-color: transparent;
}

.newsletter-form { position: relative; margin-top: 8px; }
.newsletter-form .form-control {
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .14);
    color: #fff;
    padding: 14px 130px 14px 20px;
    border-radius: var(--r-pill);
}
.newsletter-form .form-control::placeholder { color: rgba(255, 255, 255, .42); }
.newsletter-form .form-control:focus {
    background: rgba(255, 255, 255, .1);
    border-color: var(--kh-green);
    box-shadow: 0 0 0 4px rgba(23, 201, 100, .12);
}
.newsletter-form .btn {
    position: absolute;
    top: 5px;
    right: 5px;
    bottom: 5px;
    padding: 0 24px;
}

/* Footprint pattern strip */
.footprint-strip {
    display: flex;
    gap: 34px;
    justify-content: center;
    padding: 26px 0 0;
    font-size: 1.05rem;
    opacity: .13;
    overflow: hidden;
    white-space: nowrap;
}
.footprint-strip span { animation: pawStep 3.4s ease-in-out infinite; }
.footprint-strip span:nth-child(even) { transform: translateY(9px); }

@keyframes pawStep {
    0%, 100% { opacity: .3; }
    50%      { opacity: 1; }
}

.footer-bottom {
    margin-top: 56px;
    padding: 26px 0;
    border-top: 1px solid rgba(255, 255, 255, .1);
    font-size: .88rem;
    color: rgba(255, 255, 255, .5);
}

.footer-bottom a { color: rgba(255, 255, 255, .62); }
.footer-bottom a:hover { color: var(--kh-green); }

.legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    list-style: none;
    padding: 0;
    margin: 0;
}

/* --------------------------------------------------------------------------
   23. FLOATING ACTIONS
   -------------------------------------------------------------------------- */
.wa-float {
    position: fixed;
    left: 24px;
    bottom: 24px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 1.65rem;
    box-shadow: 0 10px 30px rgba(37, 211, 102, .42);
    z-index: 900;
    transition: transform .35s var(--ease-bounce), box-shadow .35s var(--ease);
}
.wa-float:hover {
    color: #fff;
    transform: scale(1.1) rotate(6deg);
    box-shadow: 0 16px 40px rgba(37, 211, 102, .55);
}

.wa-float::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: waPing 2.2s ease-out infinite;
}

@keyframes waPing {
    0%   { transform: scale(1);    opacity: .7; }
    100% { transform: scale(1.65); opacity: 0; }
}

.wa-tip {
    position: absolute;
    left: 72px;
    white-space: nowrap;
    background: var(--kh-slate);
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--r-sm);
    opacity: 0;
    pointer-events: none;
    transform: translateX(-8px);
    transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.wa-float:hover .wa-tip { opacity: 1; transform: translateX(0); }

#kh-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    background: var(--kh-slate);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 1.1rem;
    box-shadow: var(--sh-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s, background .3s;
    z-index: 900;
}
#kh-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
#kh-top:hover { background: var(--grad-green); transform: translateY(-4px); }

@media (max-width: 575.98px) {
    .wa-float { width: 52px; height: 52px; font-size: 1.45rem; left: 16px; bottom: 16px; }
    .wa-tip { display: none; }
    #kh-top { width: 46px; height: 46px; right: 16px; bottom: 16px; }
}

/* --------------------------------------------------------------------------
   24. SCROLL REVEAL
   -------------------------------------------------------------------------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
    transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }

[data-reveal="left"]  { transform: translateX(-38px); }
[data-reveal="right"] { transform: translateX(38px); }
[data-reveal="zoom"]  { transform: scale(.92); }

[data-reveal="left"].is-revealed,
[data-reveal="right"].is-revealed { transform: translateX(0); }
[data-reveal="zoom"].is-revealed  { transform: scale(1); }

/* --------------------------------------------------------------------------
   25. REDUCED MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }

    [data-reveal] { opacity: 1 !important; transform: none !important; }
    .marquee-track { animation: none; }
    .blob { animation: none; }
}