/* ==========================================================================
   Concept Home International — Site stylesheet
   White-dominant corporate palette. Dark #1A2532 is reserved for the
   header and footer only. All accents stay inside the primary tonal family.
   Order: tokens · base · buttons · header · hero · sections · components ·
          forms · footer · floats · responsive
   ========================================================================== */

/* ── Design tokens ─────────────────────────────────────────────────── */
:root {
    --chi-primary: #1A2532;
    --chi-accent: #4A6072;
    --chi-tint: #E7ECEF;
    --chi-white: #FFFFFF;
    --chi-bg-alt: #F7F8F9;

    --chi-text: #1A2532;
    --chi-text-muted: #4A6072;
    --chi-border: #E7ECEF;

    --chi-font: 'Montserrat', Arial, sans-serif;

    --chi-radius: 8px;
    --chi-radius-lg: 12px;

    --chi-shadow-sm: 0 2px 10px rgba(26, 37, 50, .06);
    --chi-shadow-md: 0 10px 30px rgba(26, 37, 50, .10);
    --chi-shadow-lg: 0 18px 45px rgba(26, 37, 50, .14);

    /* Fallback only — assets/js/main.js overwrites this with the header's
       measured height so the hero never shows a gap under the fixed bar. */
    --chi-header-h: 116px;
    --chi-section-y: 96px;

    --chi-ease: .3s ease;
}

/* ── Base ──────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    /* Anchor targets clear the sticky header */
    scroll-padding-top: var(--chi-header-h);
}

body {
    margin: 0;
    font-family: var(--chi-font);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--chi-text);
    background: var(--chi-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--chi-font);
    font-weight: 700;
    color: var(--chi-primary);
    line-height: 1.25;
    margin: 0 0 .6em;
}

p { margin: 0 0 1rem; }

a {
    color: var(--chi-accent);
    text-decoration: none;
    transition: color var(--chi-ease);
}

a:hover, a:focus-visible { color: var(--chi-primary); }

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

:focus-visible {
    outline: 3px solid var(--chi-accent);
    outline-offset: 2px;
}

.chi-center { text-align: center; }

.chi-skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 2000;
    background: var(--chi-primary);
    color: #fff;
    padding: 12px 20px;
    border-radius: 0 0 var(--chi-radius) 0;
}

.chi-skip-link:focus {
    left: 0;
    color: #fff;
}

/* Honeypot field — visually removed but still present in the DOM */
.chi-hp {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ── Preloader ─────────────────────────────────────────────────────── */
.chi-preloader {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--chi-white);
    animation: chi-preloader-out .5s ease 1.2s forwards;
}

.chi-preloader img {
    width: 220px;
    max-width: 60vw;
    height: auto;
    animation: chi-fade-in .6s ease both;
}

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

@keyframes chi-preloader-out {
    to { opacity: 0; visibility: hidden; }
}

@keyframes chi-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}

/* ── Buttons ───────────────────────────────────────────────────────── */
.btn.chi-btn-primary,
.btn.chi-btn-outline,
.btn.chi-btn-light,
.btn.chi-btn-header,
.btn.chi-btn-subscribe {
    font-family: var(--chi-font);
    font-weight: 600;
    font-size: .95rem;
    letter-spacing: .01em;
    padding: 13px 30px;
    border-radius: var(--chi-radius);
    border: 2px solid transparent;
    transition: background-color var(--chi-ease), color var(--chi-ease),
                border-color var(--chi-ease), transform var(--chi-ease),
                box-shadow var(--chi-ease);
}

.btn.chi-btn-primary {
    background: var(--chi-primary);
    border-color: var(--chi-primary);
    color: #fff;
}

.btn.chi-btn-primary:hover,
.btn.chi-btn-primary:focus-visible {
    background: var(--chi-accent);
    border-color: var(--chi-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--chi-shadow-md);
}

.btn.chi-btn-outline {
    background: transparent;
    border-color: var(--chi-accent);
    color: var(--chi-primary);
}

.btn.chi-btn-outline:hover,
.btn.chi-btn-outline:focus-visible {
    background: var(--chi-primary);
    border-color: var(--chi-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn.chi-btn-light {
    background: var(--chi-white);
    border-color: var(--chi-white);
    color: var(--chi-primary);
}

.btn.chi-btn-light:hover,
.btn.chi-btn-light:focus-visible {
    background: var(--chi-tint);
    border-color: var(--chi-tint);
    color: var(--chi-primary);
    transform: translateY(-2px);
}

.btn:disabled,
.btn.is-loading {
    opacity: .65;
    pointer-events: none;
}

/* ── Header ────────────────────────────────────────────────────────── */
.chi-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--chi-primary);
    transition: box-shadow var(--chi-ease);
}

.chi-header.scrolled {
    box-shadow: 0 6px 24px rgba(26, 37, 50, .28);
}

/* Utility strip — contact details above the main nav */
.chi-topbar {
    background: rgba(0, 0, 0, .22);
    border-bottom: 1px solid rgba(231, 236, 239, .1);
    overflow: hidden;
    max-height: 46px;
    transition: max-height var(--chi-ease), opacity var(--chi-ease);
}

/* Collapse the strip once the user scrolls, so the sticky bar stays compact */
.chi-header.scrolled .chi-topbar {
    max-height: 0;
    opacity: 0;
    border-bottom-color: transparent;
}

.chi-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 26px;
    padding: 9px 0;
}

.chi-topbar-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 26px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.chi-topbar-list li {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: .8rem;
    color: rgba(231, 236, 239, .8);
    white-space: nowrap;
}

.chi-topbar-list i {
    font-size: .78rem;
    color: rgba(231, 236, 239, .55);
}

.chi-topbar-list a { color: rgba(231, 236, 239, .8); }
.chi-topbar-list a:hover { color: #fff; }

.chi-topbar-tag {
    font-size: .76rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(231, 236, 239, .55);
}

.chi-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 12px 0;
    transition: padding var(--chi-ease);
}

.chi-header.scrolled .chi-nav { padding: 8px 0; }

.chi-logo img {
    height: 40px;
    width: auto;
    transition: height var(--chi-ease);
}

.chi-header.scrolled .chi-logo img { height: 40px; }

.chi-menu {
    display: flex;
    align-items: center;
    gap: 26px;
}

.chi-menu-list {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Understated underline indicator instead of a filled pill */
.chi-menu-link {
    position: relative;
    display: block;
    padding: 10px 14px;
    color: rgba(255, 255, 255, .82);
    font-size: .88rem;
    font-weight: 500;
    letter-spacing: .01em;
    white-space: nowrap;
    transition: color var(--chi-ease);
}

.chi-menu-link::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    background: var(--chi-tint);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--chi-ease);
}

.chi-menu-link:hover,
.chi-menu-link:focus-visible {
    color: #fff;
}

.chi-menu-link:hover::after,
.chi-menu-link:focus-visible::after,
.chi-menu-link.is-active::after {
    transform: scaleX(1);
}

.chi-menu-link.is-active {
    color: #fff;
    font-weight: 600;
}

.btn.chi-btn-header {
    background: transparent;
    border-color: rgba(231, 236, 239, .45);
    color: #fff;
    padding: 10px 22px;
    font-size: .85rem;
}

.btn.chi-btn-header:hover,
.btn.chi-btn-header:focus-visible {
    background: var(--chi-white);
    border-color: var(--chi-white);
    color: var(--chi-primary);
    transform: translateY(-2px);
}

/* Hamburger */
.chi-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: var(--chi-radius);
    cursor: pointer;
}

.chi-burger span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 0 auto;
    background: #fff;
    transition: transform var(--chi-ease), opacity var(--chi-ease);
}

.chi-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.chi-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.chi-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero slider ───────────────────────────────────────────────────── */
.chi-hero {
    position: relative;
    margin-top: var(--chi-header-h);
    height: clamp(520px, 88vh, 820px);
    overflow: hidden;
    background: var(--chi-primary);
}

.chi-hero-track {
    position: relative;
    height: 100%;
}

.chi-hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .8s ease, visibility .8s ease;
}

.chi-hero-slide.is-active {
    opacity: 1;
    visibility: visible;
}

.chi-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chi-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(26, 37, 50, .78) 0%, rgba(26, 37, 50, .55) 100%);
}

.chi-hero-inner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
}

.chi-hero-content {
    max-width: 720px;
    color: #fff;
}

.chi-hero-slide.is-active .chi-hero-content > * {
    animation: chi-hero-up .7s ease both;
}

.chi-hero-slide.is-active .chi-hero-content > *:nth-child(2) { animation-delay: .12s; }
.chi-hero-slide.is-active .chi-hero-content > *:nth-child(3) { animation-delay: .24s; }

@keyframes chi-hero-up {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: none; }
}

.chi-hero-title {
    font-size: clamp(1.9rem, 4.4vw, 3.4rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 20px;
}

.chi-hero-text {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--chi-tint);
    margin-bottom: 32px;
    max-width: 640px;
}

.chi-hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 50%;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color var(--chi-ease), border-color var(--chi-ease);
}

.chi-hero-arrow:hover,
.chi-hero-arrow:focus-visible {
    background: var(--chi-white);
    border-color: var(--chi-white);
    color: var(--chi-primary);
}

.chi-hero-prev { left: 24px; }
.chi-hero-next { right: 24px; }

.chi-hero-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 28px;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.chi-hero-dot {
    width: 34px;
    height: 4px;
    padding: 0;
    border: 0;
    border-radius: 2px;
    background: rgba(255, 255, 255, .45);
    cursor: pointer;
    transition: background-color var(--chi-ease), width var(--chi-ease);
}

.chi-hero-dot.is-active {
    width: 52px;
    background: #fff;
}

/* ── Section shell ─────────────────────────────────────────────────── */
.chi-section {
    padding: var(--chi-section-y) 0;
    background: var(--chi-white);
}

.chi-section-alt { background: var(--chi-bg-alt); }

.chi-section-head {
    max-width: 820px;
    margin: 0 auto 56px;
    text-align: center;
}

.chi-eyebrow {
    display: inline-block;
    margin-bottom: 14px;
    padding: 6px 16px;
    background: var(--chi-tint);
    color: var(--chi-accent);
    border-radius: 100px;
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.chi-section-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 18px;
}

.chi-section-sub {
    color: var(--chi-text-muted);
    font-size: 1.03rem;
    margin: 0;
}

.chi-h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.chi-h3 i { color: var(--chi-accent); margin-right: 8px; }

/* ── Stats bar ─────────────────────────────────────────────────────── */
.chi-stats {
    background: var(--chi-bg-alt);
    padding: 64px 0;
    border-bottom: 1px solid var(--chi-border);
}

.chi-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.chi-stat {
    text-align: center;
    padding: 12px 20px;
    border-right: 1px solid var(--chi-border);
}

.chi-stat:last-child { border-right: 0; }

.chi-stat-value {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 800;
    color: var(--chi-primary);
    line-height: 1.1;
    margin: 0 0 6px;
}

.chi-stat-label {
    margin: 0;
    color: var(--chi-text-muted);
    font-size: .88rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}

/* ── Cards ─────────────────────────────────────────────────────────── */
.chi-card {
    height: 100%;
    padding: 34px 28px;
    background: var(--chi-white);
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius-lg);
    box-shadow: var(--chi-shadow-sm);
    transition: transform var(--chi-ease), box-shadow var(--chi-ease), border-color var(--chi-ease);
}

.chi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--chi-shadow-md);
    border-color: var(--chi-accent);
}

.chi-card p {
    color: var(--chi-text-muted);
    font-size: .95rem;
    margin: 0;
}

.chi-icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    background: var(--chi-tint);
    color: var(--chi-primary);
    border-radius: 50%;
    font-size: 1.35rem;
    transition: background-color var(--chi-ease), color var(--chi-ease);
}

.chi-card:hover .chi-icon-circle,
.chi-why:hover .chi-icon-circle {
    background: var(--chi-primary);
    color: #fff;
}

/* ── About ─────────────────────────────────────────────────────────── */
.chi-about-row { margin-bottom: 64px; }

.chi-about-img {
    width: 100%;
    border-radius: var(--chi-radius-lg);
    box-shadow: var(--chi-shadow-md);
}

.chi-mv-item {
    padding: 24px 26px;
    background: var(--chi-bg-alt);
    border-left: 3px solid var(--chi-accent);
    border-radius: 0 var(--chi-radius) var(--chi-radius) 0;
    margin-bottom: 20px;
}

.chi-mv-item:last-child { margin-bottom: 0; }

.chi-mv-item p {
    margin: 0;
    color: var(--chi-text-muted);
    font-size: .95rem;
}

.chi-value-card { text-align: center; }
.chi-value-card .chi-icon-circle { margin-left: auto; margin-right: auto; }

/* ── Products ──────────────────────────────────────────────────────── */
.chi-product {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--chi-white);
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius-lg);
    overflow: hidden;
    box-shadow: var(--chi-shadow-sm);
    transition: transform var(--chi-ease), box-shadow var(--chi-ease), border-color var(--chi-ease);
}

.chi-product:hover {
    transform: translateY(-4px);
    box-shadow: var(--chi-shadow-md);
    border-color: var(--chi-accent);
}

.chi-product-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform .5s ease;
}

.chi-product:hover .chi-product-img { transform: scale(1.06); }

.chi-product-body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    padding: 26px 26px 28px;
}

.chi-product-text {
    color: var(--chi-text-muted);
    font-size: .92rem;
    margin-bottom: 18px;
}

/* Pins the CTA to the bottom so all three cards align */
.chi-product-cta { margin-top: auto; }

.chi-product-group {
    margin: 0 0 6px;
    color: var(--chi-accent);
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.chi-product-name {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.chi-product-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--chi-primary);
    font-size: .88rem;
    font-weight: 600;
}

.chi-product-cta i { transition: transform var(--chi-ease); font-size: .8rem; }
.chi-product-cta:hover { color: var(--chi-accent); }
.chi-product-cta:hover i { transform: translateX(4px); }

/* ── Services ──────────────────────────────────────────────────────── */
.chi-service-card { text-align: center; }
.chi-service-card .chi-icon-circle { margin-left: auto; margin-right: auto; }

/* ── Why choose us ─────────────────────────────────────────────────── */
.chi-why {
    display: flex;
    gap: 22px;
    height: 100%;
    padding: 30px 28px;
    background: var(--chi-white);
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius-lg);
    box-shadow: var(--chi-shadow-sm);
    transition: transform var(--chi-ease), box-shadow var(--chi-ease), border-color var(--chi-ease);
}

.chi-why:hover {
    transform: translateY(-4px);
    box-shadow: var(--chi-shadow-md);
    border-color: var(--chi-accent);
}

.chi-why .chi-icon-circle { margin-bottom: 0; }

.chi-why p {
    margin: 0;
    color: var(--chi-text-muted);
    font-size: .95rem;
}

.chi-pak-usa {
    margin-top: 48px;
    padding: 40px 44px;
    background: var(--chi-white);
    border: 1px solid var(--chi-border);
    border-top: 3px solid var(--chi-accent);
    border-radius: var(--chi-radius-lg);
}

.chi-pak-usa p {
    color: var(--chi-text-muted);
    font-size: .98rem;
}

.chi-pak-usa p:last-child { margin-bottom: 0; }

/* ── CTA band ──────────────────────────────────────────────────────── */
.chi-cta-band {
    padding: 72px 0;
    background: var(--chi-tint);
    border-top: 1px solid var(--chi-accent);
    border-bottom: 1px solid var(--chi-accent);
}

.chi-cta-title {
    font-size: clamp(1.5rem, 2.8vw, 2.2rem);
    margin-bottom: 12px;
}

.chi-cta-text {
    color: var(--chi-text-muted);
    font-size: 1.05rem;
    margin-bottom: 28px;
}

/* ── Contact ───────────────────────────────────────────────────────── */
.chi-contact-info {
    height: 100%;
    padding: 38px 34px;
    background: var(--chi-bg-alt);
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius-lg);
}

.chi-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 26px;
}

.chi-contact-item:last-child { margin-bottom: 0; }

.chi-contact-item .chi-icon-circle {
    width: 46px;
    height: 46px;
    margin-bottom: 0;
    font-size: 1.05rem;
}

.chi-contact-label {
    margin: 0 0 2px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--chi-accent);
}

.chi-contact-item p:not(.chi-contact-label) {
    margin: 0;
    color: var(--chi-text-muted);
    font-size: .95rem;
}

.chi-contact-item a { color: var(--chi-text-muted); }
.chi-contact-item a:hover { color: var(--chi-primary); }

/* ── Forms ─────────────────────────────────────────────────────────── */
.chi-form {
    padding: 38px 34px;
    background: var(--chi-white);
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius-lg);
    box-shadow: var(--chi-shadow-sm);
}

.chi-form .form-label {
    font-size: .85rem;
    font-weight: 600;
    color: var(--chi-primary);
    margin-bottom: 6px;
}

.chi-req { color: #b3261e; }

.chi-form .form-control,
.chi-form .form-select {
    font-family: var(--chi-font);
    font-size: .95rem;
    padding: 12px 15px;
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius);
    background: var(--chi-white);
    color: var(--chi-text);
    transition: border-color var(--chi-ease), box-shadow var(--chi-ease);
}

.chi-form .form-control:focus,
.chi-form .form-select:focus {
    border-color: var(--chi-accent);
    box-shadow: 0 0 0 3px rgba(74, 96, 114, .16);
    outline: none;
}

.chi-form .form-control.is-invalid,
.chi-form .form-select.is-invalid {
    border-color: #b3261e;
}

.chi-field-error {
    display: none;
    margin-top: 6px;
    font-size: .82rem;
    color: #b3261e;
}

.chi-field-error.is-visible { display: block; }

.chi-recaptcha-note {
    margin: 14px 0 0;
    font-size: .76rem;
    color: var(--chi-text-muted);
}

.chi-form-msg {
    display: none;
    margin: 16px 0 0;
    padding: 12px 16px;
    border-radius: var(--chi-radius);
    font-size: .9rem;
    font-weight: 500;
}

.chi-form-msg.is-success {
    display: block;
    background: #E7ECEF;
    color: #1A2532;
    border-left: 3px solid var(--chi-accent);
}

.chi-form-msg.is-error {
    display: block;
    background: #fdecea;
    color: #8c1d18;
    border-left: 3px solid #b3261e;
}

/* ── Footer ────────────────────────────────────────────────────────── */
.chi-footer {
    background: var(--chi-primary);
    color: var(--chi-tint);
    padding: 72px 0 0;
}

.chi-footer-logo {
    height: 52px;
    width: auto;
    margin-bottom: 20px;
}

.chi-footer-heading {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(231, 236, 239, .18);
}

.chi-footer-text {
    color: var(--chi-tint);
    font-size: .92rem;
    opacity: .85;
}

.chi-footer-links,
.chi-footer-contact {
    list-style: none;
    margin: 0;
    padding: 0;
}

.chi-footer-links li { margin-bottom: 10px; }

.chi-footer-links a,
.chi-footer-contact a {
    color: var(--chi-tint);
    font-size: .92rem;
    opacity: .85;
    transition: color var(--chi-ease), opacity var(--chi-ease), padding-left var(--chi-ease);
}

.chi-footer-links a:hover {
    color: #fff;
    opacity: 1;
    padding-left: 5px;
}

.chi-footer-contact a:hover { color: #fff; opacity: 1; }

.chi-footer-contact li {
    display: flex;
    gap: 14px;
    margin-bottom: 16px;
    font-size: .92rem;
    opacity: .85;
}

.chi-footer-contact i {
    color: var(--chi-tint);
    margin-top: 6px;
    width: 16px;
    flex: 0 0 16px;
}

.chi-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(231, 236, 239, .12);
    border-radius: 50%;
    color: #fff;
    transition: background-color var(--chi-ease), transform var(--chi-ease);
}

.chi-social:hover {
    background: var(--chi-accent);
    color: #fff;
    transform: translateY(-3px);
}

/* Underline-style field: no box, just a rule along the bottom */
.chi-newsletter-row {
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(231, 236, 239, .32);
    transition: border-color var(--chi-ease);
}

.chi-newsletter-row:focus-within { border-bottom-color: var(--chi-tint); }

.chi-newsletter-form .form-control {
    flex: 1 1 auto;
    min-width: 0;
    font-family: var(--chi-font);
    font-size: .9rem;
    padding: 10px 2px;
    background: transparent;
    border: 0;
    border-radius: 0;
    color: #fff;
    box-shadow: none;
}

.chi-newsletter-form .form-control::placeholder { color: rgba(231, 236, 239, .55); }

.chi-newsletter-form .form-control:focus,
.chi-newsletter-form .form-control:active {
    background: transparent;
    border: 0;
    box-shadow: none;
    color: #fff;
    outline: none;
}

/* Chrome autofill would otherwise repaint the field with a white box */
.chi-newsletter-form .form-control:-webkit-autofill,
.chi-newsletter-form .form-control:-webkit-autofill:focus {
    -webkit-text-fill-color: #fff;
    transition: background-color 100000s ease-in-out 0s;
}

.btn.chi-btn-subscribe {
    flex: 0 0 auto;
    padding: 8px 4px;
    background: transparent;
    border: 0;
    border-radius: 0;
    color: var(--chi-tint);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    transition: color var(--chi-ease);
}

.btn.chi-btn-subscribe:hover,
.btn.chi-btn-subscribe:focus-visible {
    background: transparent;
    border: 0;
    color: #fff;
    transform: none;
}

.chi-newsletter-form .chi-form-msg {
    padding-left: 0;
    padding-right: 0;
    background: transparent;
    border-left: 0;
}

/* Plain coloured text — keeps the underline field visually uncluttered */
.chi-newsletter-form .chi-form-msg.is-success {
    background: transparent;
    border-left: 0;
    padding: 10px 0 0;
    color: var(--chi-tint);
}

.chi-newsletter-form .chi-form-msg.is-error {
    background: transparent;
    border-left: 0;
    padding: 10px 0 0;
    color: #ff9d95;
}

.chi-footer-bottom {
    margin-top: 56px;
    padding: 24px 0;
    border-top: 1px solid rgba(231, 236, 239, .16);
    text-align: center;
}

.chi-footer-bottom p {
    margin: 0;
    font-size: .86rem;
    color: var(--chi-tint);
    opacity: .75;
}

/* ── Floating buttons ──────────────────────────────────────────────── */
.chi-whatsapp {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    font-size: 1.7rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, .4);
    transition: transform var(--chi-ease), color var(--chi-ease);
}

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

.chi-whatsapp::before {
    content: attr(data-tooltip);
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    padding: 7px 13px;
    background: var(--chi-primary);
    color: #fff;
    font-size: .78rem;
    font-weight: 600;
    white-space: nowrap;
    border-radius: var(--chi-radius);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--chi-ease), visibility var(--chi-ease);
}

.chi-whatsapp:hover {
    color: #fff;
    transform: scale(1.08);
}

.chi-whatsapp:hover::before,
.chi-whatsapp:focus-visible::before {
    opacity: 1;
    visibility: visible;
}

@keyframes chi-pulse {
    0%   { transform: scale(1);   opacity: .8; }
    100% { transform: scale(1.6); opacity: 0; }
}

.chi-to-top {
    position: fixed;
    right: 24px;
    bottom: 92px;
    z-index: 899;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--chi-primary);
    color: #fff;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--chi-ease), visibility var(--chi-ease),
                transform var(--chi-ease), background-color var(--chi-ease);
}

.chi-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: none;
}

.chi-to-top:hover { background: var(--chi-accent); }

/* ── Cookie consent ────────────────────────────────────────────────── */
.chi-cookie {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
    padding: 18px 24px;
    background: var(--chi-primary);
    box-shadow: 0 -6px 24px rgba(26, 37, 50, .25);
    transform: translateY(100%);
    transition: transform .4s ease;
}

.chi-cookie[hidden] { display: none; }
.chi-cookie.is-visible { transform: none; }

.chi-cookie-text {
    margin: 0;
    color: var(--chi-tint);
    font-size: .9rem;
    max-width: 720px;
}

.chi-cookie-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.chi-cookie .btn.chi-btn-primary {
    background: var(--chi-white);
    border-color: var(--chi-white);
    color: var(--chi-primary);
    padding: 9px 22px;
}

.chi-cookie .btn.chi-btn-primary:hover {
    background: var(--chi-tint);
    border-color: var(--chi-tint);
    color: var(--chi-primary);
}

.chi-cookie .btn.chi-btn-outline {
    border-color: rgba(231, 236, 239, .5);
    color: var(--chi-tint);
    padding: 9px 22px;
}

.chi-cookie .btn.chi-btn-outline:hover {
    background: var(--chi-accent);
    border-color: var(--chi-accent);
    color: #fff;
}

/* ── Page banner (sub-pages) ───────────────────────────────────────── */
.chi-page-banner {
    margin-top: var(--chi-header-h);
    padding: 72px 0;
    background: var(--chi-bg-alt);
    border-bottom: 1px solid var(--chi-border);
    text-align: center;
}

.chi-page-banner h1 {
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    margin-bottom: 12px;
}

.chi-page-banner p {
    margin: 0;
    color: var(--chi-text-muted);
    font-size: 1.02rem;
}

.chi-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
    font-size: .86rem;
    color: var(--chi-text-muted);
}

.chi-breadcrumb li::after {
    content: '/';
    margin-left: 8px;
    color: var(--chi-border);
}

.chi-breadcrumb li:last-child::after { content: ''; }

/* ── Blog cards ────────────────────────────────────────────────────── */
.chi-blog-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--chi-white);
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius-lg);
    overflow: hidden;
    box-shadow: var(--chi-shadow-sm);
    transition: transform var(--chi-ease), box-shadow var(--chi-ease), border-color var(--chi-ease);
}

.chi-blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--chi-shadow-md);
    border-color: var(--chi-accent);
}

.chi-blog-thumb {
    width: 100%;
    height: 210px;
    object-fit: cover;
}

.chi-blog-body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    padding: 24px;
}

.chi-badge {
    display: inline-block;
    align-self: flex-start;
    margin-bottom: 12px;
    padding: 5px 13px;
    background: var(--chi-tint);
    color: var(--chi-accent);
    border-radius: 100px;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.chi-blog-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.chi-blog-title a { color: var(--chi-primary); }
.chi-blog-title a:hover { color: var(--chi-accent); }

.chi-blog-excerpt {
    color: var(--chi-text-muted);
    font-size: .92rem;
    margin-bottom: 18px;
}

.chi-blog-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--chi-border);
    font-size: .84rem;
    color: var(--chi-text-muted);
}

.chi-blog-more {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-weight: 600;
    color: var(--chi-primary);
}

.chi-blog-more i { font-size: .78rem; transition: transform var(--chi-ease); }
.chi-blog-more:hover i { transform: translateX(4px); }

.chi-empty {
    max-width: 560px;
    margin: 0 auto;
    padding: 56px 40px;
    text-align: center;
    background: var(--chi-bg-alt);
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius-lg);
}

.chi-empty i {
    font-size: 2.4rem;
    color: var(--chi-accent);
    margin-bottom: 18px;
}

.chi-empty p { color: var(--chi-text-muted); margin: 0; }

/* Pagination */
.chi-pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 56px 0 0;
    padding: 0;
}

.chi-pagination a,
.chi-pagination span {
    display: block;
    min-width: 44px;
    padding: 10px 15px;
    text-align: center;
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius);
    color: var(--chi-primary);
    font-size: .9rem;
    font-weight: 600;
    background: var(--chi-white);
    transition: background-color var(--chi-ease), color var(--chi-ease), border-color var(--chi-ease);
}

.chi-pagination a:hover {
    background: var(--chi-tint);
    border-color: var(--chi-accent);
    color: var(--chi-primary);
}

.chi-pagination .is-current {
    background: var(--chi-primary);
    border-color: var(--chi-primary);
    color: #fff;
}

.chi-pagination .is-disabled {
    color: var(--chi-border);
    background: var(--chi-bg-alt);
}

/* ── Single post ───────────────────────────────────────────────────── */
.chi-post-hero {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--chi-radius-lg);
    margin-bottom: 36px;
}

.chi-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--chi-border);
    color: var(--chi-text-muted);
    font-size: .9rem;
}

.chi-post-meta i { color: var(--chi-accent); margin-right: 7px; }

.chi-post-body {
    font-size: 1.02rem;
    color: #33414f;
}

.chi-post-body h2,
.chi-post-body h3,
.chi-post-body h4 { margin-top: 1.8em; }

.chi-post-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--chi-radius);
    margin: 1.6em 0;
}

.chi-post-body ul,
.chi-post-body ol { padding-left: 1.4em; margin-bottom: 1.2em; }

.chi-post-body li { margin-bottom: .5em; }

.chi-post-body blockquote {
    margin: 1.8em 0;
    padding: 20px 26px;
    background: var(--chi-bg-alt);
    border-left: 3px solid var(--chi-accent);
    border-radius: 0 var(--chi-radius) var(--chi-radius) 0;
    color: var(--chi-text-muted);
}

.chi-post-body table {
    width: 100%;
    margin-bottom: 1.6em;
    border-collapse: collapse;
}

.chi-post-body th,
.chi-post-body td {
    padding: 11px 14px;
    border: 1px solid var(--chi-border);
    text-align: left;
}

.chi-post-body th { background: var(--chi-tint); color: var(--chi-primary); }

/* ── Certifications gallery ────────────────────────────────────────── */
.chi-cert {
    display: block;
    background: var(--chi-white);
    border: 1px solid var(--chi-border);
    border-radius: var(--chi-radius-lg);
    overflow: hidden;
    box-shadow: var(--chi-shadow-sm);
    transition: transform var(--chi-ease), box-shadow var(--chi-ease), border-color var(--chi-ease);
}

.chi-cert:hover {
    transform: translateY(-4px);
    box-shadow: var(--chi-shadow-md);
    border-color: var(--chi-accent);
}

.chi-cert img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.chi-cert-caption {
    padding: 18px 22px;
    text-align: center;
}

.chi-cert-caption h2 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 4px;
}

.chi-cert-caption p {
    margin: 0;
    font-size: .86rem;
    color: var(--chi-text-muted);
}

/* ── 404 ───────────────────────────────────────────────────────────── */
.chi-404 {
    margin-top: var(--chi-header-h);
    min-height: 62vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    background: var(--chi-bg-alt);
}

.chi-404-code {
    font-size: clamp(5rem, 16vw, 10rem);
    font-weight: 800;
    line-height: 1;
    color: var(--chi-primary);
    opacity: .12;
    margin: 0;
}

.chi-404 h1 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin: -.3em 0 14px;
}

.chi-404 p {
    color: var(--chi-text-muted);
    max-width: 520px;
    margin: 0 auto 30px;
}

/* ── Legal / prose pages ───────────────────────────────────────────── */
.chi-prose h2 { margin-top: 2em; font-size: 1.25rem; }
.chi-prose p, .chi-prose li { color: var(--chi-text-muted); }
.chi-prose ul { padding-left: 1.3em; }

/* ── Scroll reveal ─────────────────────────────────────────────────── */
.chi-reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .6s ease, transform .6s ease;
}

.chi-reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 1199.98px) {
    .chi-menu { gap: 14px; }
    .chi-menu-link { padding: 10px 8px; font-size: .82rem; }
    .chi-menu-link::after { left: 8px; right: 8px; }
    .chi-topbar-tag { display: none; }
    .chi-topbar-inner { justify-content: flex-start; }
}

@media (max-width: 991.98px) {
    :root {
        --chi-header-h: 108px;
        --chi-section-y: 72px;
    }

    /* Keep only the tappable contact details on small screens */
    .chi-topbar-list li:first-child { display: none; }
    .chi-topbar-list { gap: 6px 18px; }
    .chi-topbar-list li { font-size: .76rem; }

    .chi-burger { display: flex; }

    /* Anchored to the header itself (position:absolute inside the fixed
       header) so the panel follows it when the top bar collapses on scroll. */
    .chi-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        max-height: calc(100vh - var(--chi-header-h));
        overflow-y: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 20px 22px 30px;
        background: var(--chi-primary);
        border-top: 1px solid rgba(231, 236, 239, .14);
        box-shadow: 0 18px 30px rgba(26, 37, 50, .3);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--chi-ease), transform var(--chi-ease), visibility var(--chi-ease);
    }

    .chi-menu.is-open {
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .chi-menu-list {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        margin-bottom: 18px;
    }

    .chi-menu-link {
        padding: 13px 14px;
        font-size: .98rem;
    }

    .btn.chi-btn-header { width: 100%; }

    .chi-stats-grid { grid-template-columns: repeat(2, 1fr); }

    .chi-stat:nth-child(2n) { border-right: 0; }
    .chi-stat:nth-child(-n+2) { border-bottom: 1px solid var(--chi-border); padding-bottom: 26px; }
    .chi-stat:nth-child(n+3) { padding-top: 26px; }

    .chi-hero-arrow { width: 44px; height: 44px; }
    .chi-hero-prev { left: 12px; }
    .chi-hero-next { right: 12px; }

    .chi-pak-usa { padding: 32px 28px; }
}

@media (max-width: 767.98px) {
    body { font-size: 15px; }

    .chi-section-head { margin-bottom: 40px; }

    .chi-hero { height: clamp(460px, 74vh, 620px); }
    .chi-hero-content { max-width: 100%; }

    .chi-form,
    .chi-contact-info { padding: 28px 22px; }

    .chi-cookie {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .chi-cookie-actions { width: 100%; }
    .chi-cookie-actions .btn { flex: 1 1 0; }

    .chi-whatsapp { right: 16px; bottom: 16px; width: 52px; height: 52px; font-size: 1.5rem; }
    .chi-to-top { right: 16px; bottom: 78px; }
    .chi-whatsapp::before { display: none; }

    .chi-product-img { height: 200px; }
    .chi-blog-thumb { height: 190px; }
    .chi-cert img { height: 240px; }
}

@media (max-width: 575.98px) {
    .chi-stats-grid { grid-template-columns: 1fr; }

    .chi-stat {
        border-right: 0;
        border-bottom: 1px solid var(--chi-border);
        padding: 22px 10px;
    }

    .chi-stat:last-child { border-bottom: 0; }
    .chi-stat:nth-child(-n+2) { padding-bottom: 22px; }
    .chi-stat:nth-child(n+3) { padding-top: 22px; }

    .chi-why { flex-direction: column; gap: 16px; }
    .chi-hero-arrow { display: none; }
}

/* ── Reduced motion ────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }

    .chi-reveal { opacity: 1; transform: none; }
}

/* ── Print ─────────────────────────────────────────────────────────── */
@media print {
    .chi-header,
    .chi-footer,
    .chi-whatsapp,
    .chi-to-top,
    .chi-cookie,
    .chi-preloader,
    .chi-hero-arrow,
    .chi-hero-dots { display: none !important; }

    body { color: #000; }
}