:root {
    --bg: #f6fafd;
    --surface: #ffffff;
    --alt: #e9f4fb;
    --text: #0e2342;
    --muted: #53647c;
    --line: #d5e3ee;
    --blue: #1a9be0;
    --navy: #0b2a5b;
    --gold: #b88e3a;
    --gold-text: #ffffff;
    --shadow: 0 10px 30px rgba(11, 42, 91, .08);
    --radius: 14px;
    --head: system-ui, -apple-system, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
    --body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
}

[data-theme="dark"] {
    --bg: #08131f;
    --surface: #0f2133;
    --alt: #0c1b2b;
    --text: #e8f1f8;
    --muted: #9fb3c6;
    --line: #1d3550;
    --blue: #4cb8f0;
    --navy: #0a2745;
    --gold: #d4ab55;
    --gold-text: #1a1305;
    --shadow: 0 10px 30px rgba(0, 0, 0, .4);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    transition: background .3s, color .3s;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

.wrap {
    width: min(1140px, 100% - 40px);
    margin-inline: auto;
}

.narrow {
    max-width: 760px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

h1,
h2,
h3 {
    font-family: var(--head);
    line-height: 1.15;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}

.header-in {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 76px;
}

.brand img {
    height: 56px;
    width: auto;
}

[data-theme="dark"] .brand img,
[data-theme="dark"] .foot-logo {
    background: #fff;
    border-radius: 10px;
    padding: 4px 8px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav a {
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    color: var(--muted);
    transition: color .2s, background .2s;
}

.nav a:hover,
.nav a.active {
    color: var(--text);
    background: var(--alt);
}

.nav a.nav-cta {
    background: var(--gold);
    color: var(--gold-text);
    margin-inline: 4px;
}

.nav a.nav-cta:hover {
    filter: brightness(1.08);
}

.header-tools {
    display: flex;
    gap: 8px;
}

.icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    display: grid;
    place-items: center;
}

.icon-btn:hover {
    background: var(--alt);
}

.i-sun {
    display: none;
}

[data-theme="dark"] .i-sun {
    display: block;
}

[data-theme="dark"] .i-moon {
    display: none;
}

.menu-btn {
    display: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 13px 24px;
    border-radius: 10px;
    font-weight: 700;
    font-size: .95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform .15s, filter .2s, background .2s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--blue);
    color: #04121f;
}

.btn-ghost {
    border-color: var(--line);
    color: var(--text);
}

.btn-ghost:hover {
    background: var(--alt);
}

.btn-gold {
    background: var(--gold);
    color: var(--gold-text);
    padding: 10px 18px;
}

.btn-light {
    background: #fff;
    color: var(--navy);
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Hero */
.hero {
    background: linear-gradient(90deg, rgba(6, 22, 40, .9) 0%, rgba(6, 22, 40, .62) 42%, rgba(6, 22, 40, .08) 100%), url("images/Refreshing Family Moment in the Kitchen.png") center right / cover no-repeat, #0b2a5b;
    color: #fff;
    min-height: 560px;
    display: flex;
    align-items: center;
    padding: 80px 0;
}

.hero .lead,
.hero .trust {
    color: #d6e6f5;
}

.hero .btn-ghost {
    border-color: rgba(255, 255, 255, .55);
    color: #fff;
}

.hero .btn-ghost:hover {
    background: rgba(255, 255, 255, .12);
}

.hero-in {
    display: block;
}

.hero-copy {
    max-width: 620px;
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.9rem);
    letter-spacing: -.02em;
    margin-bottom: 20px;
}

.lead {
    font-size: 1.12rem;
    color: var(--muted);
    max-width: 52ch;
    margin-bottom: 28px;
}

.trust {
    margin-top: 26px;
    color: var(--muted);
    font-size: .92rem;
    font-weight: 600;
}

.tds-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.tds-card h2 {
    font-size: 1.5rem;
    margin-bottom: 6px;
}

.small {
    color: var(--muted);
    font-size: .92rem;
}

.tiny {
    color: var(--muted);
    font-size: .75rem;
    margin-top: 10px;
}

.tds-card input[type=range] {
    width: 100%;
    margin: 18px 0 14px;
    accent-color: var(--blue);
}

.tds-readout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 18px;
}

.tds-readout>div {
    background: var(--alt);
    border-radius: 12px;
    padding: 12px 14px;
}

.tds-label {
    display: block;
    font-size: .8rem;
    color: var(--muted);
    font-weight: 600;
}

.tds-readout strong {
    font-family: var(--head);
    font-size: 2rem;
}

.glass {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    height: 120px;
}

.water {
    align-self: end;
    border-radius: 12px 12px 8px 8px;
    transition: height .5s ease, background .5s;
    border: 1px solid var(--line);
}

.tap-water {
    background: #b69b6c;
}

.ro-water {
    background: var(--blue);
    opacity: .85;
}

.note {
    margin-top: 14px;
    font-weight: 600;
    color: var(--text);
}

/* Sections */
.section {
    padding: 80px 0;
}

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

.sec-title {
    font-size: clamp(1.7rem, 3.2vw, 2.4rem);
    margin-bottom: 10px;
}

.sec-sub {
    color: var(--muted);
    margin-bottom: 36px;
    max-width: 60ch;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.prod {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.prod img {
    height: 210px;
    width: 100%;
    object-fit: contain;
    background: #fff;
    border-radius: 10px;
    padding: 8px;
}

.prod h3 {
    font-size: 1.25rem;
    margin-top: 8px;
}

.prod p {
    color: var(--muted);
    flex: 1;
}

.prod .btn {
    align-self: flex-start;
}

.chips-title {
    margin: 56px 0 16px;
    font-size: 1.2rem;
}

.chips {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chips li {
    border: 1px solid var(--line);
    background: var(--surface);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: .9rem;
    font-weight: 600;
}

.why {
    border-top: 3px solid var(--gold);
    padding-top: 16px;
}

.why h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

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

details {
    border-bottom: 1px solid var(--line);
    padding: 18px 0;
}

summary {
    cursor: pointer;
    font-weight: 700;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

summary::after {
    content: "+";
    font-size: 1.4rem;
    line-height: 1;
    color: var(--blue);
}

details[open] summary::after {
    content: "\2212";
}

details p {
    color: var(--muted);
    margin-top: 10px;
}

.cta {
    background: var(--navy);
    color: #fff;
    padding: 56px 0;
}

.cta-in {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: space-between;
    align-items: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 4px;
}

.cta p {
    color: #b9cde3;
}


/* Responsive */
@media (max-width: 960px) {
    .hero-in {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .grid-4 {
        grid-template-columns: 1fr 1fr;
    }

    .menu-btn {
        display: grid;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 20px 20px;
        display: none;
    }

    .nav.open {
        display: flex;
    }

    .nav a {
        padding: 12px 14px;
    }

    .nav a.nav-cta {
        text-align: center;
        margin: 6px 0;
    }
}

@media (max-width: 560px) {
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 48px 0 56px;
    }

    .section {
        padding: 56px 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* Brands marquee */
.center {
    text-align: center;
}

.brands {
    padding-bottom: 72px;
}

.marquee {
    overflow: hidden;
    margin-top: 32px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
    display: flex;
    gap: 20px;
    width: max-content;
    list-style: none;
    animation: marquee 35s linear infinite;
}

.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track {
    animation-play-state: paused;
}

.marquee-track li {
    flex: none;
    width: 190px;
    height: 100px;
    display: grid;
    place-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px 18px;
}

.marquee-track img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.brand-name {
    font-family: var(--head);
    font-weight: 700;
    color: #0b2a5b;
    text-align: center;
    font-size: 1.05rem;
}

@keyframes marquee {
    to {
        transform: translateX(calc(-50% - 10px));
    }
}

@media (prefers-reduced-motion: reduce) {
    .marquee {
        overflow-x: auto;
    }

    .marquee-track {
        animation: none !important;
    }
}

/* Highlights, intro, promise */
.features {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 44px 0;
}

.features .grid-4 {
    margin-top: 0;
}

.feat {
    text-align: center;
}

.feat svg {
    width: 52px;
    height: 52px;
    color: var(--blue);
    margin-bottom: 10px;
}

.feat h3 {
    font-family: var(--body);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 6px;
}

.feat p {
    color: var(--muted);
    font-size: .93rem;
}

.intro {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    align-items: start;
}

.intro p,
.promise p {
    color: var(--muted);
    margin-top: 14px;
    max-width: 62ch;
}

.checklist-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
}

.checklist-card h3 {
    font-size: 1.2rem;
    margin-bottom: 14px;
}

.checklist {
    list-style: none;
    display: grid;
    gap: 10px;
}

.checklist li {
    padding-left: 28px;
    position: relative;
    font-weight: 600;
}

.checklist li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: .45em;
    width: 7px;
    height: 12px;
    border: solid var(--gold);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.promise {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
}

.promise .btn {
    margin-top: 20px;
}

@media (max-width: 960px) {

    .intro,
    .promise {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Typewriter + TDS section */
.hero h1 {
    min-height: 2.35em;
}

.caret {
    display: inline-block;
    width: 3px;
    height: .9em;
    background: var(--blue);
    margin-left: 6px;
    vertical-align: -.08em;
    animation: blink .8s steps(1) infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero-wait {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .6s ease, transform .6s ease;
}

.hero-wait.show {
    opacity: 1;
    transform: none;
}

.tds-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.tds-card {
    color: var(--text);
}

@media (max-width: 960px) {
    .tds-wrap {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .hero {
        min-height: 480px;
    }

    .hero {
        background-position: 70% center;
    }
}

/* Footer */
.site-footer {
    background: #051a33;
    color: #b7c8db;
    padding-top: 64px;
}

.f-grid {
    display: grid;
    grid-template-columns: 1.4fr .8fr 1fr 1.3fr;
    gap: 44px;
}

.f-logo {
    display: inline-block;
    background: #fff;
    border-radius: 12px;
    padding: 8px 14px;
    margin-bottom: 18px;
}

.f-logo img {
    height: 52px;
    width: auto;
}

.f-brand p {
    font-size: .94rem;
    max-width: 34ch;
    margin-bottom: 20px;
}

.social {
    display: flex;
    gap: 10px;
}

.social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .2);
    display: grid;
    place-items: center;
    color: #fff;
    transition: background .2s, border-color .2s;
}

.social a:hover {
    background: var(--blue);
    border-color: var(--blue);
    color: #04121f;
}

.f-col h4 {
    font-family: var(--head);
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 18px;
    padding-bottom: 10px;
    position: relative;
}

.f-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 34px;
    height: 2px;
    background: var(--gold);
}

.f-col>a {
    display: block;
    color: #b7c8db;
    font-size: .94rem;
    padding: 5px 0;
    transition: color .2s, padding-left .2s;
}

.f-col>a:hover {
    color: #fff;
    padding-left: 4px;
}

.f-contact .row {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: .92rem;
    margin-bottom: 14px;
    color: #b7c8db;
}

.f-contact .row svg {
    flex: none;
    color: var(--gold);
    margin-top: 3px;
}

.f-contact a.row:hover {
    color: #fff;
}

.f-bottom {
    margin-top: 52px;
    border-top: 1px solid rgba(255, 255, 255, .1);
}

.f-bottom-in {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    justify-content: space-between;
    padding: 20px 0;
    font-size: .85rem;
}

.f-legal {
    display: flex;
    gap: 20px;
}

.f-legal a:hover {
    color: #fff;
}

@media (max-width: 960px) {
    .f-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 560px) {
    .f-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .f-bottom-in {
        flex-direction: column;
    }
}

/* Floating WhatsApp */
.wa-float {
    position: fixed;
    right: 22px;
    bottom: calc(22px + env(safe-area-inset-bottom, 0px));
    z-index: 60;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    display: grid;
    place-items: center;
    box-shadow: 0 8px 22px rgba(0, 0, 0, .28);
    transition: transform .2s;
}

.wa-float:hover {
    transform: scale(1.08);
}

.wa-float::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25d366;
    z-index: -1;
    animation: waPulse 2.4s ease-out infinite;
}

.wa-tip {
    position: absolute;
    right: 70px;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--line);
    padding: 7px 12px;
    border-radius: 8px;
    font-size: .85rem;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateX(6px);
    pointer-events: none;
    transition: opacity .2s, transform .2s;
}

.wa-float:hover .wa-tip,
.wa-float:focus-visible .wa-tip {
    opacity: 1;
    transform: none;
}

@keyframes waPulse {
    0% {
        transform: scale(1);
        opacity: .55;
    }

    100% {
        transform: scale(1.7);
        opacity: 0;
    }
}

@media (max-width: 560px) {
    .wa-float {
        right: 16px;
        width: 54px;
        height: 54px;
    }

    .wa-tip {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .wa-float::before {
        animation: none;
        display: none;
    }
}

/* About page */
.eyebrow {
    text-transform: uppercase;
    letter-spacing: .16em;
    font-size: .78rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 12px;
}

.eyebrow.dark-text {
    color: var(--gold);
}

.center {
    text-align: center;
}

.center-sub {
    margin-inline: auto;
    text-align: center;
}

.crumbs {
    font-size: .9rem;
    color: #b7c8db;
    font-weight: 600;
    margin-bottom: 28px;
}

.crumbs a:hover {
    color: #fff;
    text-decoration: underline;
}

.ab-hero {
    color: #fff;
    padding: 84px 0 150px;
    background: linear-gradient(90deg, rgba(6, 22, 40, .92) 0%, rgba(6, 22, 40, .7) 50%, rgba(6, 22, 40, .25) 100%), url("images/Pure Water, Brighter Living.jpg") center / cover no-repeat, url("images/Refreshing Family Moment in the Kitchen.png") center 30% / cover no-repeat, #0b2a5b;
}

.ab-hero h1 {
    font-size: clamp(2.4rem, 5vw, 4rem);
    max-width: 14ch;
    letter-spacing: -.02em;
    margin-bottom: 18px;
}

.ab-hero .lead {
    color: #d6e6f5;
    max-width: 52ch;
}

.stat-bar {
    position: relative;
    z-index: 2;
    margin-top: -64px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.stat-bar>div {
    padding: 26px 24px;
    text-align: center;
    border-right: 1px solid var(--line);
}

.stat-bar>div:last-child {
    border: 0;
}

.stat-bar strong {
    display: block;
    font-family: var(--head);
    font-size: 2.3rem;
    color: var(--blue);
    line-height: 1.1;
}

.stat-bar span {
    color: var(--muted);
    font-size: .88rem;
    font-weight: 600;
}

.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.body-p {
    color: var(--muted);
    margin-top: 14px;
    max-width: 58ch;
}

blockquote {
    margin-top: 26px;
    padding: 6px 0 6px 20px;
    border-left: 4px solid var(--gold);
    font-family: var(--head);
    font-size: 1.3rem;
    line-height: 1.35;
}

.collage {
    position: relative;
    min-height: 400px;
}

.collage img {
    position: absolute;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px;
    box-shadow: var(--shadow);
    object-fit: contain;
}

.collage .c1 {
    width: 72%;
    height: 280px;
    top: 0;
    right: 0;
}

.collage .c2 {
    width: 58%;
    height: 250px;
    bottom: 0;
    left: 0;
    border: 3px solid var(--gold);
}

.svc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.svc {
    background: var(--surface);
    border: 1px solid var(--line);
    border-top: 4px solid var(--blue);
    border-radius: var(--radius);
    padding: 28px;
    transition: transform .2s, box-shadow .2s;
}

.svc:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.svc .num {
    font-family: var(--head);
    font-size: 2.2rem;
    color: var(--gold);
    line-height: 1;
}

.svc h3 {
    font-size: 1.35rem;
    margin: 10px 0 14px;
}

.svc ul {
    list-style: none;
    display: grid;
    gap: 9px;
}

.svc li {
    position: relative;
    padding-left: 22px;
    color: var(--muted);
    font-size: .95rem;
}

.svc li::before {
    content: "";
    position: absolute;
    left: 3px;
    top: .5em;
    width: 6px;
    height: 10px;
    border: solid var(--blue);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.serve-label {
    margin: 48px 0 14px;
    text-align: center;
    font-weight: 700;
}

.center-chips {
    justify-content: center;
}

.process {
    background: #0b2a5b;
    color: #fff;
    padding: 84px 0;
}

.process .sec-title {
    margin-bottom: 8px;
}

.timeline {
    list-style: none;
    counter-reset: t;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 52px;
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 22px;
    left: 8%;
    right: 8%;
    border-top: 2px dashed rgba(255, 255, 255, .28);
}

.timeline li {
    counter-increment: t;
    text-align: center;
    position: relative;
}

.timeline li::before {
    content: counter(t);
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: var(--gold);
    color: #1a1305;
    font-family: var(--head);
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
}

.timeline h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.timeline p {
    color: #b7c8db;
    font-size: .94rem;
}

.coverage {
    background: var(--alt);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 32px;
}

.coverage h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.coverage p {
    color: var(--muted);
    margin-bottom: 18px;
}

@media (max-width: 960px) {

    .about-split,
    .svc-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .stat-bar {
        grid-template-columns: 1fr 1fr;
    }

    .stat-bar>div:nth-child(2) {
        border-right: 0;
    }

    .stat-bar>div:nth-child(-n+2) {
        border-bottom: 1px solid var(--line);
    }

    .timeline {
        grid-template-columns: 1fr 1fr;
    }

    .timeline::before {
        display: none;
    }

    .collage {
        min-height: 360px;
    }
}

@media (max-width: 560px) {
    .timeline {
        grid-template-columns: 1fr;
    }

    .ab-hero {
        padding: 56px 0 120px;
    }

    .collage .c1 {
        height: 220px;
    }

    .collage .c2 {
        height: 200px;
    }

    .collage {
        min-height: 340px;
    }
}

/* Ghost button on image banners */
.hero .btn-ghost,
.ab-hero .btn-ghost {
    background: rgba(6, 22, 40, .55);
    border-color: rgba(255, 255, 255, .7);
    color: #fff;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.hero .btn-ghost:hover,
.ab-hero .btn-ghost:hover {
    background: #fff;
    color: #0b2a5b;
    border-color: #fff;
}

/* Product page */
.filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 8px 0 40px;
}

.fbtn {
    font: inherit;
    font-weight: 700;
    font-size: .9rem;
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s;
}

.fbtn:hover {
    border-color: var(--blue);
}

.fbtn.on {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
}

[data-theme="dark"] .fbtn.on {
    background: var(--blue);
    color: #04121f;
    border-color: var(--blue);
}

.pgrid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.pcard {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .2s, box-shadow .2s;
}

.pcard:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.pcard[hidden] {
    display: none;
}

.pimg {
    background: #fff;
    height: 210px;
    padding: 16px;
    display: grid;
    place-items: center;
    border-bottom: 1px solid var(--line);
}

.pimg img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.pbody {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.pbody h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.pbody p {
    color: var(--muted);
    font-size: .92rem;
    flex: 1;
}

.no-res {
    text-align: center;
    color: var(--muted);
    margin-top: 20px;
}

.dark-ghost {
    border-color: var(--line);
    color: var(--text);
    background: transparent;
}

.dark-ghost:hover {
    background: var(--alt);
    color: var(--text);
}

@media (max-width: 1100px) {
    .pgrid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 760px) {
    .pgrid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .pimg {
        height: 160px;
    }

    .pbody {
        padding: 14px;
    }
}

@media (max-width: 460px) {
    .pgrid {
        grid-template-columns: 1fr;
    }
}

/* Product cards as links + detail page */
a.pcard {
    color: inherit;
}

.pcard:hover h3 {
    color: var(--blue);
}

.pd-top {
    background: linear-gradient(120deg, #07203f, #0b2a5b 60%, #124a86);
    color: #fff;
    padding: 56px 0 60px;
}

.pd-top h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    margin-bottom: 12px;
}

.pd-top .lead {
    color: #d6e6f5;
    margin-bottom: 0;
    max-width: 62ch;
}

.pd-top .crumbs {
    margin-bottom: 20px;
}

.pd-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: start;
}

.pd-img {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 32px;
    display: grid;
    place-items: center;
    min-height: 420px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 100px;
}

.pd-img img {
    max-height: 380px;
    max-width: 100%;
    object-fit: contain;
}

.pd-ideal {
    margin-top: 24px;
}

.back {
    margin-top: 22px;
    font-weight: 700;
    font-size: .92rem;
}

.back a {
    color: var(--blue);
}

.back a:hover {
    text-decoration: underline;
}

@media (max-width: 960px) {
    .pd-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .pd-img {
        position: static;
        min-height: 300px;
    }
}

/* View details button */
.more {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding: 6px 6px 6px 18px;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    font-weight: 700;
    font-size: .9rem;
    color: var(--text);
    background: var(--surface);
    transition: background .25s, color .25s, border-color .25s;
}

.more .arr {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--navy);
    color: #fff;
    display: grid;
    place-items: center;
    transition: transform .25s, background .25s;
}

.more .arr svg {
    width: 16px;
    height: 16px;
}

.pcard:hover .more,
.pcard:focus-visible .more {
    background: var(--navy);
    border-color: var(--navy);
    color: #fff;
}

.pcard:hover .more .arr,
.pcard:focus-visible .more .arr {
    background: var(--gold);
    color: #1a1305;
    transform: translateX(3px);
}

[data-theme="dark"] .more .arr {
    background: var(--blue);
    color: #04121f;
}

[data-theme="dark"] .pcard:hover .more {
    background: var(--blue);
    border-color: var(--blue);
    color: #04121f;
}

[data-theme="dark"] .pcard:hover .more .arr {
    background: #04121f;
    color: #fff;
}

/* Product page banner */
.prod-hero {
    background: linear-gradient(90deg, rgba(6, 22, 40, .88) 0%, rgba(6, 22, 40, .6) 48%, rgba(6, 22, 40, .15) 100%), url("images/Premium Water Filtration Solutions in Dubai.jpg") center / cover no-repeat, url("images/Pure Water, Brighter Living.jpg") center / cover no-repeat, #0b2a5b;
}

/* Contact page */
.contact-hero {
    background: linear-gradient(180deg, rgba(6, 22, 40, .7) 0%, rgba(6, 22, 40, .82) 100%), url("images/Dubai Water Support and Filtration Solutions.jpg") center / cover no-repeat, url("images/Pure Water, Brighter Living.jpg") center / cover no-repeat, #0b2a5b;
    padding-bottom: 130px;
}

.contact-hero h1 {
    max-width: 16ch;
}

.info-bar {
    position: relative;
    z-index: 2;
    margin-top: -60px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.info-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 26px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-card svg {
    color: var(--blue);
    margin-bottom: 8px;
}

.info-card h3 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.info-card a,
.info-card span {
    color: var(--muted);
    font-weight: 600;
    font-size: .98rem;
}

.info-card a:hover {
    color: var(--blue);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 40px;
    align-items: start;
}

.form-card,
.hours-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 32px;
}

.form-card form {
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

.f-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

label {
    display: grid;
    gap: 6px;
    font-weight: 700;
    font-size: .9rem;
}

.opt {
    font-weight: 500;
    color: var(--muted);
}

input,
select,
textarea {
    font: inherit;
    font-weight: 500;
    color: var(--text);
    background: var(--bg);
    border: 1.5px solid var(--line);
    border-radius: 10px;
    padding: 12px 14px;
    width: 100%;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(26, 155, 224, .2);
}

textarea {
    resize: vertical;
}

.form-err {
    color: #d6336c;
    font-weight: 600;
    font-size: .9rem;
}

.btn-wa {
    background: #1fa855;
    color: #fff;
}

.side {
    display: grid;
    gap: 24px;
}

.map-card {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--line);
    height: 340px;
}

.map-card iframe {
    width: 100%;
    height: 100%;
    display: block;
}

.hours-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.hours-card dt {
    font-weight: 700;
    margin-top: 12px;
}

.hours-card dd {
    color: var(--muted);
    font-size: .95rem;
}

.checklist.two-col {
    grid-template-columns: 1fr 1fr;
    gap: 10px 22px;
}

@media (max-width: 960px) {

    .info-bar,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .checklist.two-col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .f-row {
        grid-template-columns: 1fr;
    }

    .form-card {
        padding: 22px;
    }
}

/* Centered contact banner */
.contact-hero {
    padding: 96px 0 140px;
}

.contact-hero .wrap {
    text-align: center;
}

.contact-hero .crumbs {
    margin-bottom: 22px;
}

.contact-hero h1 {
    max-width: 20ch;
    margin: 6px auto 20px;
    text-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}

.contact-hero .lead {
    max-width: 62ch;
    margin: 0 auto;
}

.contact-hero .eyebrow {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(212, 171, 85, .55);
    border-radius: 999px;
    letter-spacing: .18em;
}

/* Centered About banner */
.about-hero {
    background: linear-gradient(180deg, rgba(6, 22, 40, .7) 0%, rgba(6, 22, 40, .84) 100%), url("images/Pure Water, Brighter Living.jpg") center / cover no-repeat, url("images/Refreshing Family Moment in the Kitchen.png") center 30% / cover no-repeat, #0b2a5b;
}

.about-hero .wrap {
    text-align: center;
}

.about-hero .crumbs {
    margin-bottom: 22px;
}

.about-hero .eyebrow {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(212, 171, 85, .55);
    border-radius: 999px;
    letter-spacing: .18em;
}

.about-hero h1 {
    max-width: 20ch;
    margin: 6px auto 20px;
    text-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}

.about-hero .lead {
    max-width: 60ch;
    margin: 0 auto 30px;
}

.about-hero .btn-row {
    justify-content: center;
}

/* Domestic RO page */
.dom-top {
    padding: 64px 0;
}

.dom-hero {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 48px;
    align-items: center;
}

.dom-top h1 {
    font-size: clamp(2rem, 4.2vw, 3.1rem);
    margin-bottom: 14px;
}

.dom-top .lead {
    margin-bottom: 26px;
}

.dom-img {
    background: #fff;
    border-radius: 18px;
    padding: 24px;
    display: grid;
    place-items: center;
    box-shadow: 0 16px 40px rgba(0, 0, 0, .3);
}

.dom-img img {
    max-height: 340px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.benefits {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.benefit {
    background: var(--surface);
    border: 1px solid var(--line);
    border-top: 3px solid var(--gold);
    border-radius: var(--radius);
    padding: 20px;
}

.benefit h3 {
    font-size: 1.02rem;
    margin-bottom: 8px;
}

.benefit p {
    color: var(--muted);
    font-size: .9rem;
}

.dom-top .btn-ghost {
    background: rgba(6, 22, 40, .55);
    border-color: rgba(255, 255, 255, .7);
    color: #fff;
}

.dom-top .btn-ghost:hover {
    background: #fff;
    color: #0b2a5b;
}

@media (max-width: 1000px) {
    .benefits {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 860px) {
    .dom-hero {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 520px) {
    .benefits {
        grid-template-columns: 1fr;
    }
}