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

:root {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface2: #eaf0f8;
    --border: rgba(0, 60, 120, 0.09);
    --border2: rgba(0, 60, 120, 0.18);
    --text: #0d1a2e;
    --muted: #4e6580;
    --accent: #0057b8;
    --accent-lt: rgba(0, 87, 184, 0.07);
    --accent-md: rgba(0, 87, 184, 0.18);
    --teal: #007a8c;
    --teal-lt: rgba(0, 122, 140, 0.08);
    --dark: #0d2d6b;
    --flow: #00a8c6;
}

/* ── HERO ── */
.hero {
    min-height: 50vh;
    background: var(--dark);
    position: relative;
    overflow: hidden;

}

/* Water ripple rings */
.ripple {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 168, 198, 0.15);
    animation: rippleOut 8s ease-out infinite;
}

.ripple:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.ripple:nth-child(2) {
    width: 500px;
    height: 500px;
    top: 10%;
    right: 2%;
    animation-delay: 1.5s;
}

.ripple:nth-child(3) {
    width: 700px;
    height: 700px;
    top: 0%;
    right: -8%;
    animation-delay: 3s;
}

.ripple:nth-child(4) {
    width: 900px;
    height: 900px;
    top: -10%;
    right: -20%;
    animation-delay: 4.5s;
}

@keyframes rippleOut {
    0% {
        opacity: 0.6;
        transform: scale(0.85);
    }

    100% {
        opacity: 0;
        transform: scale(1.05);
    }
}

/* Flow lines */
.flow-line {
    position: absolute;
    height: 1px;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(0, 168, 198, 0.2) 40%, rgba(0, 168, 198, 0.5) 60%, transparent 100%);
    animation: flowRight 5s linear infinite;
}

@keyframes flowRight {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }

    20% {
        opacity: 1;
    }

    80% {
        opacity: 1;
    }

    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(rgba(8, 33, 61, 0.226), rgba(26, 79, 160, 0.219)),
        url(/assete/images/page-banner/flowmeter.webp);
    background-size: cover;
    background-position: center;
}

.inner {
    max-width: 1280px;
    margin: auto;
}

.hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    height: 100%;
    /* grid-template-columns: 1fr 1fr; */
}


.hero-left {
    position: relative;
    z-index: 1;
    padding: 25px 64px 20px 0px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgb(0 68 198 / 68%);
    border: 1px solid rgba(0, 168, 198, 0.25);
    border-radius: 4px;
    padding: 6px 16px;
    font-family: 'Syne', sans-serif;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 32px;
    width: fit-content;
}

.hero h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.2rem, 4.5vw, 44px);
    font-weight: 700;
    line-height: 1.05;
    color: #fff;
    margin-bottom: 28px;
}

.hero h1 .sm {
    display: block;
    font-size: 0.34em;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgb(255, 255, 255);
    margin-bottom: 16px;
}

.hero h1 .teal {
    color: var(--flow);
}

.hero-desc {
    font-size: 16px;
    line-height: 1.85;
    color: rgb(255, 255, 255);
    font-weight: 300;
    max-width: 480px;
    margin-bottom: 40px;
    font-style: italic;
}

.hero-desc strong {
    color: rgba(255, 255, 255, 0.78);
    font-style: normal;
    font-weight: 500;
}

.hero-btns {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 52px;
}

.btn-blue {
    background: var(--accent);
    color: #fff;
    font-family: 'Syne', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 14px 28px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.25s;
}

.btn-blue:hover {
    background: #003f8a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 87, 184, 0.35);
}

.btn-wire {
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.38);
    font-family: 'Syne', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 14px 24px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.25s;
}

.btn-wire:hover {
    border-color: var(--flow);
    color: var(--flow);
}

.hero-stats {
    display: flex;
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 32px;
}

.hstat {
    padding-right: 28px;
    margin-right: 28px;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.hstat:last-child {
    border: none;
    margin: 0;
    padding: 0;
}

.hstat-n {
    font-family: 'Syne', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--flow);
    line-height: 1;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.hstat-l {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.22);
    font-family: 'Syne', sans-serif;
}

/* Hero right — product index panel */
.hero-right {
    position: relative;
    z-index: 1;
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.022);
    padding: 50px 48px 80px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
}

.prod-group-label {
    font-family: 'Syne', sans-serif;
    font-size: 9px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgb(255, 255, 255);
    margin-bottom: 10px;
}

.prod-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.prod-tag {
    background: rgb(255, 255, 255);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    padding: 7px 13px;
    font-family: 'Syne', sans-serif;
    font-size: 11px;
    font-weight: 400;
    color: rgb(0, 0, 0);
    transition: all 0.2s;
}

.prod-tag:hover {
    background: rgba(0, 168, 198, 0.1);
    border-color: rgba(0, 168, 198, 0.3);
    color: var(--flow);
}

.prod-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.05);
}

/* ── SECTIONS ── */
section {
    padding: 100px 72px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Syne', sans-serif;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.eyebrow::before {
    content: '';
    width: 20px;
    height: 1px;
    background: var(--accent);
}

.sh {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.2rem, 4.5vw, 44px);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 18px;
}

.sh em {
    color: var(--accent);
    font-style: normal;
}

.sp {
    font-size: 16px;
    line-height: 1.85;
    color: var(--muted);
    max-width: 600px;
    font-weight: 300;
}

/* ── OVERVIEW ── */
#overview {
    background: var(--surface);
}

.ov-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 56px;
}

.ov-text p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--muted);
    font-weight: 300;
    margin-bottom: 20px;
}

.ov-text p strong {
    color: var(--text);
    font-weight: 600;
}

.iso-badge {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--accent-lt);
    border: 1px solid var(--accent-md);
    border-left: 3px solid var(--accent);
    border-radius: 0 10px 10px 0;
    padding: 18px 22px;
    margin-top: 28px;
}

.iso-badge-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.iso-badge-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text);
    font-weight: 400;
}

.iso-badge-text strong {
    color: var(--accent);
    font-weight: 700;
}

/* Service pillars */
.service-pillars {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.pillar {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px 20px;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.pillar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--flow));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.pillar:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.pillar:hover,
.pillar:hover h3,
.pillar:hover p {
    color: #fff;
}

.cat-panel-head {
    padding: 10px 28px 0 28px;
}

.pillar:hover::before {
    transform: scaleX(1);
}

.pillar-icon {
    font-size: 26px;
    margin-bottom: 10px;
    display: block;
}

.pillar h3 {
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.pillar p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--muted);
    font-weight: 300;
}

/* ── METERS CATALOGUE ── */
#catalogue {
    background: var(--bg);
}

.cat-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 56px;
}

.cat-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

.cat-panel {
    width: 100%;
    overflow: hidden;
}

.cat-panel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}


.cat-head-icon {
    font-size: 28px;
}

.cat-head-title {
    font-family: 'Syne', sans-serif;
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.01em;
}

.cat-head-sub {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}

.cat-items {
    padding: 20px 28px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.cat-item:hover {
    border-color: var(--accent);
    background: var(--accent-lt);
}

.cat-num {
    flex-shrink: 0;
    font-family: 'Syne', sans-serif;
    font-size: 10px;
    font-weight: 500;
    color: var(--accent);
    width: 22px;
    text-align: right;
}

.cat-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.4;
}

/* ── WHAT WE DELIVER ── */
#deliver {
    background: var(--surface);
}

.del-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
    margin-bottom: 56px;
}

.del-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.del-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 30px 24px;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.del-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.07);
    border-color: var(--accent);
}

.del-card-band {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--flow));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.del-card:hover .del-card-band {
    transform: scaleX(1);
}

.del-tag {
    display: inline-block;
    margin-bottom: 16px;
    background: var(--accent-lt);
    border: 1px solid var(--accent-md);
    border-radius: 4px;
    padding: 4px 12px;
    font-family: 'Syne', sans-serif;
    font-size: 9px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.del-icon {
    font-size: 28px;
    margin-bottom: 14px;
    display: block;
}

.del-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.del-card p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--muted);
    font-weight: 300;
    margin-bottom: 14px;
}

.del-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.del-list li {
    font-size: 12px;
    color: var(--muted);
    padding-left: 14px;
    position: relative;
    line-height: 1.5;
    font-family: 'Syne', sans-serif;
}

.del-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 10px;
    top: 1px;
}

/* ── MONITORING BAND ── */
.monitoring-band {
    background: var(--dark);
    padding: 80px 72px;
    position: relative;
    overflow: hidden;
}

.monitoring-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 80% at 100% 50%, rgba(0, 168, 198, 0.07) 0%, transparent 65%);
}

.mon-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.mon-left h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.2rem, 4.5vw, 44px);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 16px;
}

.mon-left h2 em {
    color: var(--flow);
    font-style: normal;
}

.mon-left p {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 300;
    max-width: 460px;
}

.mon-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mon-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 10px;
    padding: 20px 22px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all 0.2s;
}

.mon-item:hover {
    background: rgba(0, 168, 198, 0.08);
    border-color: rgba(0, 168, 198, 0.25);
}

.mon-icon {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    background: rgba(0, 168, 198, 0.1);
    border: 1px solid rgba(0, 168, 198, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.mon-body h4 {
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 4px;
}

.mon-body p {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.38);
    font-weight: 300;
}

/* ── INDUSTRIES ── */
#industries {
    background: var(--bg);
}

.ind-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 56px;
}

.ind-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 26px 22px;
    transition: all 0.25s;
}

.ind-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.ind-icon {
    font-size: 26px;
    margin-bottom: 12px;
    display: block;
}

.ind-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.ind-card p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--muted);
    font-weight: 300;
}

/* ── INTEGRATIONS ── */
#integrations {
    background: var(--surface);
}

.int-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 56px;
}

.int-text p {
    font-size: 16px;
    line-height: 1.85;
    color: var(--muted);
    font-weight: 300;
    margin-bottom: 20px;
}

.int-text p strong {
    color: var(--text);
    font-weight: 600;
}

.int-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.int-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all 0.2s;
}

.int-card:hover {
    border-color: var(--accent);
    background: var(--accent-lt);
}

.int-icon {
    font-size: 22px;
    flex-shrink: 0;
}

.int-body h4 {
    font-family: 'Syne', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 3px;
}

.int-body p {
    font-size: 12px;
    color: var(--muted);
    font-weight: 300;
    line-height: 1.5;
}

/* ── FAQ ── */
#faq {
    background: var(--bg);
}

.faq-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 56px;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.faq-q {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    padding: 20px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    transition: color 0.2s;
}

.faq-q:hover {
    color: var(--accent);
}

.faq-item.open .faq-q {
    color: var(--accent);
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--border2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--accent);
    transition: transform 0.3s;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s;
    padding: 0 22px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--muted);
    font-weight: 300;
}

.faq-item.open .faq-a {
    max-height: 260px;
    padding: 0 22px 20px;
}

/* ── CTA ── */
#cta {
    background: var(--dark);
    padding: 100px 72px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

#cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 55% 70% at 0% 50%, rgba(0, 87, 184, 0.12) 0%, transparent 65%);
}

.cta-left {
    position: relative;
    z-index: 1;
}

.cta-left h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.2rem, 4.5vw, 44px);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    color: #fff;
    margin-bottom: 20px;
}

.cta-left h2 em {
    color: var(--flow);
    font-style: normal;
}

.cta-left p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.38);
    font-weight: 300;
    margin-bottom: 36px;
    max-width: 440px;
}

.cta-btns {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cta-right {
    position: relative;
    z-index: 1;
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sum-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 22px 18px;
    text-align: center;
    transition: all 0.25s;
}

.sum-card:hover {
    background: rgba(0, 87, 184, 0.12);
    border-color: rgba(0, 168, 198, 0.25);
}

.sum-icon {
    font-size: 28px;
    margin-bottom: 10px;
    display: block;
}

.sum-card h4 {
    font-family: 'Syne', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 5px;
}

.sum-card p {
    font-size: 12px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.32);
    font-weight: 300;
}

/* ── REVEAL ── */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {

    section,
    .monitoring-band,
    #cta {
        padding: 80px 32px;
    }

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

    .hero-right {
        display: none;
    }

    .hero-left {
        padding: 130px 32px 80px;
    }

    .ov-layout,
    .del-header,
    .int-layout,
    .mon-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .cat-layout {
        grid-template-columns: 1fr;
    }

    .faq-layout {
        grid-template-columns: 1fr;
    }

    #cta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {

    section,
    .monitoring-band,
    #cta {
        padding: 60px 20px;
    }

    .hero-left {
        padding: 20px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .hstat {
        border: none;
        margin: 0;
        padding: 0;
    }

    .service-pillars,
    .del-grid,
    .ind-grid,
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .hero-badge {
        letter-spacing: normal;
    }

    .hero-desc {
        line-height: normal;
    }
}