/* ============================================================
   EXPER WATER SOLUTIONS - PREMIUM 3D DESIGN SYSTEM
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800;900&display=swap');

/* ─── CSS VARIABLES ──────────────────────────────────────── */
:root {
    --primary: #0077b6;
    --primary-light: #00b4d8;
    --primary-dark: #03045e;
    --cyan: #48cae4;
    --accent: #25d366;
    --orange: #f97316;
    --text-dark: #1e293b;
    --text-mid: #475569;
    --text-light: #94a3b8;
    --bg: #f0f6ff;
    --bg-dark: #0a0e2a;
    --white: #ffffff;

    /* ── Shadows ── */
    --sh-sm: 0 4px 15px rgba(0, 119, 182, .12);
    --sh-md: 0 12px 40px rgba(0, 119, 182, .18);
    --sh-lg: 0 25px 70px rgba(0, 119, 182, .25);
    --sh-3d: 8px 8px 30px rgba(0, 50, 120, .15), -4px -4px 20px rgba(255, 255, 255, .9);
    --sh-inset: inset 2px 2px 8px rgba(0, 50, 120, .1), inset -2px -2px 6px rgba(255, 255, 255, .8);

    /* ── Gradients ── */
    --grad-water: linear-gradient(135deg, #0077b6 0%, #00b4d8 100%);
    --grad-dark: linear-gradient(135deg, #03045e 0%, #0077b6 100%);
    --grad-glass: linear-gradient(135deg, rgba(255, 255, 255, .8), rgba(255, 255, 255, .2));
    --grad-hero: linear-gradient(135deg, #001f54 0%, #0353a4 50%, #0096c7 100%);
    --grad-shine: linear-gradient(135deg, #00b4d8, #0077b6, #03045e, #0077b6, #00b4d8);
    --grad-card: linear-gradient(145deg, #ffffff, #e8f4ff);

    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all .35s cubic-bezier(.4, 0, .2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}

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

/* ─── UTILITIES ──────────────────────────────────────────── */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

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

.section {
    padding: 110px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title .pre-title {
    display: inline-block;
    font-size: .85rem;
    font-weight: 700;
    color: var(--primary-light);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
    background: rgba(0, 180, 216, .1);
    padding: 6px 16px;
    border-radius: 50px;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 18px;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-mid);
    max-width: 620px;
    margin: 0 auto;
}

/* ─── ANIMATED BACKGROUND ─────────────────────────────────── */
.water-bg {
    background: var(--grad-hero);
    position: relative;
    overflow: hidden;
}

.water-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: .4;
}

/* ─── NAVBAR ─────────────────────────────────────────────── */
.navbar {
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(20px);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 119, 182, .08);
    box-shadow: 0 4px 30px rgba(3, 4, 94, .08);
    transition: var(--transition);
}

.navbar .container {
    height: 74px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 900;
    font-family: 'Outfit';
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 54px;
    width: auto;
    border-radius: 10px;
    box-shadow: var(--sh-sm);
    object-fit: contain;
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-links li a:not(.btn-3d) {
    font-weight: 600;
    font-size: .95rem;
    color: var(--text-dark);
    padding: 8px 14px;
    border-radius: 8px;
    position: relative;
    transition: var(--transition);
}

.nav-links li a:not(.btn-3d):hover {
    color: var(--primary);
    background: rgba(0, 119, 182, .06);
}

.nav-links li a.active:not(.btn-3d) {
    color: var(--primary);
    background: rgba(0, 119, 182, .08);
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-dark);
    cursor: pointer;
}

/* ─── 3D BUTTONS ─────────────────────────────────────────── */
.btn-3d {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 34px;
    border-radius: 50px;
    font-family: 'Outfit';
    font-weight: 700;
    font-size: 1rem;
    background: var(--white);
    color: var(--primary-dark);
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--sh-sm);
    position: relative;
    overflow: hidden;
}

.btn-3d::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-water);
    opacity: 0;
    transition: opacity .35s;
}

.btn-3d:hover {
    color: var(--white);
    box-shadow: var(--sh-md), 0 0 0 4px rgba(0, 180, 216, .15);
    transform: translateY(-3px);
}

.btn-3d:hover::before {
    opacity: 1;
}

.btn-3d span,
.btn-3d i {
    position: relative;
    z-index: 1;
}

.btn-3d-primary {
    background: var(--grad-water);
    color: var(--white) !important;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 180, 216, .3);
}

.btn-3d-primary::before {
    background: var(--grad-dark);
}

.btn-3d-primary:hover {
    box-shadow: 0 18px 40px rgba(0, 119, 182, .4);
}

.btn-lg {
    padding: 18px 44px;
    font-size: 1.15rem;
}

.btn-ghost {
    background: rgba(255, 255, 255, .15);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, .4);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .25);
    color: #fff;
}

.btn-ghost::before {
    background: rgba(255, 255, 255, .1);
}

/* ─── 3D CARDS ───────────────────────────────────────────── */
.card-3d {
    background: var(--grad-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--sh-3d);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, .8);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-water);
    opacity: 0;
    transition: opacity .3s;
}

.card-3d:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--sh-lg);
}

.card-3d:hover::before {
    opacity: 1;
}

/* Glass card */
.card-glass {
    background: rgba(255, 255, 255, .35);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .15);
    padding: 36px;
    transition: var(--transition);
}

.card-glass:hover {
    background: rgba(255, 255, 255, .45);
    transform: translateY(-6px);
}

/* ─── SERVICE ICON ───────────────────────────────────────── */
.icon-box-3d {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(145deg, #e8f4ff, #fff);
    box-shadow: var(--sh-3d);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, .8);
}

.icon-box-3d i {
    font-size: 2rem;
    background: var(--grad-water);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-3d:hover .icon-box-3d {
    transform: rotateY(15deg) scale(1.1);
    box-shadow: var(--sh-md);
}

/* ─── IMAGES ─────────────────────────────────────────────── */
.img-3d {
    border-radius: var(--radius-lg);
    box-shadow: var(--sh-lg);
    width: 100%;
    transition: var(--transition);
    border: 6px solid #fff;
}

.img-3d:hover {
    box-shadow: 0 35px 80px rgba(0, 119, 182, .3);
    transform: scale(1.02);
}

/* ─── HERO SECTION ───────────────────────────────────────── */
.hero-3d {
    background: var(--grad-hero);
    padding: 120px 0 100px;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-3d .hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-3d .orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 180, 216, .3), transparent 70%);
    animation: float 8s ease-in-out infinite;
}

.hero-content {
    display: flex;
    gap: 60px;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
    min-width: 300px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .15);
    color: #c8f0ff;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: .85rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, .25);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-text h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    color: #fff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, .3);
    margin-bottom: 22px;
    background: linear-gradient(135deg, #fff, #90e0ef);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, .85);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.hero-stat {
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 16px;
    padding: 18px 24px;
    text-align: center;
    min-width: 120px;
    transition: var(--transition);
}

.hero-stat:hover {
    background: rgba(255, 255, 255, .2);
    transform: translateY(-4px);
}

.hero-stat .num {
    font-family: 'Outfit';
    font-size: 2.2rem;
    font-weight: 900;
    color: #fff;
    display: block;
}

.hero-stat .lbl {
    font-size: .8rem;
    color: rgba(255, 255, 255, .7);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-image-wrap {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.hero-image-wrap img {
    border-radius: var(--radius-xl);
    box-shadow: 0 40px 100px rgba(0, 0, 0, .35);
    border: 6px solid rgba(255, 255, 255, .2);
    width: 100%;
    transform: perspective(800px) rotateY(-8deg);
    transition: all .6s ease;
}

.hero-image-wrap img:hover {
    transform: perspective(800px) rotateY(0deg) scale(1.02);
}

.hero-badge-float {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 18px 24px;
    box-shadow: var(--sh-lg);
    animation: float 5s ease-in-out infinite;
    border: 1px solid rgba(0, 119, 182, .1);
    min-width: 180px;
}

.hero-badge-float .num {
    font-family: 'Outfit';
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary);
}

.hero-badge-float .lbl {
    font-size: .8rem;
    color: var(--text-mid);
    font-weight: 600;
}

/* ─── COUNTERS STRIP ─────────────────────────────────────── */
.counter-strip {
    background: var(--grad-dark);
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}

.counter-strip::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='40' fill='none' stroke='rgba(255,255,255,.03)' stroke-width='1'/%3E%3C/svg%3E") repeat;
}

.counters-grid {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.counter-item {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 30px 20px;
    border-right: 1px solid rgba(255, 255, 255, .1);
    transition: var(--transition);
}

.counter-item:last-child {
    border-right: none;
}

.counter-item:hover {
    background: rgba(255, 255, 255, .05);
}

.counter-item .count {
    font-family: 'Outfit';
    font-size: 3.2rem;
    font-weight: 900;
    color: #fff;
    display: block;
}

.counter-item .count-suffix {
    color: var(--primary-light);
}

.counter-item .count-label {
    font-size: .9rem;
    color: rgba(255, 255, 255, .65);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 8px;
    display: block;
}

/* ─── SERVICES GRID ──────────────────────────────────────── */
.services-grid-3d {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 36px;
}

/* ─── PROCESS STEPS ──────────────────────────────────────── */
.process-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 56px;
    left: calc(100%/6);
    width: calc(100% - 100%/3);
    height: 2px;
    background: var(--grad-water);
    z-index: 0;
}

.process-step {
    flex: 1;
    min-width: 160px;
    text-align: center;
    padding: 30px 20px;
    position: relative;
    z-index: 1;
}

.step-num {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--grad-water);
    color: #fff;
    font-family: 'Outfit';
    font-size: 1.6rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--sh-md);
    transition: var(--transition);
    border: 4px solid #fff;
}

.process-step:hover .step-num {
    transform: scale(1.15) rotate(5deg);
    box-shadow: var(--sh-lg);
}

.process-step h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.process-step p {
    font-size: .88rem;
    color: var(--text-mid);
}

/* ─── WHY CHOOSE US ──────────────────────────────────────── */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.why-card {
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
}

.why-card:hover {
    background: rgba(255, 255, 255, .2);
    transform: translateY(-6px);
}

.why-card .icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.why-card h4 {
    color: #fff;
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.why-card p {
    color: rgba(255, 255, 255, .75);
    font-size: .92rem;
}

/* ─── PRODUCT CARDS ──────────────────────────────────────── */
.product-card {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--sh-3d);
    border: 1px solid rgba(0, 119, 182, .05);
    transition: var(--transition);
}

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

.product-card .product-img {
    height: 220px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #e8f4ff, #dbeafe);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card .product-img i {
    font-size: 4.5rem;
    color: var(--primary-light);
    opacity: .4;
}

.product-card .product-tag {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--grad-water);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
}

.product-card .product-body {
    padding: 28px;
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.product-card p {
    font-size: .92rem;
    color: var(--text-mid);
    margin-bottom: 20px;
}

.product-card .product-specs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.spec-badge {
    font-size: .78rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 50px;
    background: rgba(0, 119, 182, .08);
    color: var(--primary-dark);
    border: 1px solid rgba(0, 119, 182, .12);
}

/* ─── TESTIMONIALS ───────────────────────────────────────── */
.testimonials-bg {
    background: linear-gradient(135deg, #f0f6ff, #e2eeff);
    border-top: 1px solid rgba(0, 119, 182, .08);
}

.testimonial-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--sh-3d);
    border: 1px solid rgba(0, 119, 182, .05);
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-lg);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 24px;
    font-family: 'Outfit';
    font-size: 8rem;
    line-height: 1;
    color: rgba(0, 119, 182, .06);
    font-weight: 900;
}

.stars {
    color: #f59e0b;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.testimonial-card p {
    font-size: .98rem;
    color: var(--text-mid);
    margin-bottom: 24px;
    font-style: italic;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 14px;
}

.reviewer-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--grad-water);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: 'Outfit';
    font-size: 1.3rem;
    font-weight: 700;
    box-shadow: var(--sh-sm);
}

.reviewer-name {
    font-weight: 700;
    font-size: 1rem;
}

.reviewer-loc {
    font-size: .82rem;
    color: var(--text-light);
}

/* ─── FAQ ────────────────────────────────────────────────── */
.faq-item {
    background: #fff;
    border-radius: 16px;
    margin-bottom: 16px;
    box-shadow: var(--sh-sm);
    border: 1px solid rgba(0, 119, 182, .06);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--sh-md);
}

.faq-question {
    padding: 22px 28px;
    font-weight: 700;
    font-size: 1.02rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--primary-dark);
    background: #fff;
    user-select: none;
}

.faq-question i {
    font-size: .9rem;
    color: var(--primary);
    transition: transform .35s;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .45s cubic-bezier(.4, 0, .2, 1), padding .35s;
    background: #f8faff;
    color: var(--text-mid);
    font-size: .95rem;
    padding: 0 28px;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 20px 28px;
}

/* ─── CTA BANNER ─────────────────────────────────────────── */
.cta-banner {
    background: var(--grad-hero);
    position: relative;
    overflow: hidden;
    padding: 90px 0;
}

.cta-banner .cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-banner h2 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.cta-banner p {
    color: rgba(255, 255, 255, .8);
    font-size: 1.15rem;
    margin-bottom: 34px;
}

.cta-banner .cta-orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, .08), transparent 70%);
}

/* ─── COVERAGE MAP ───────────────────────────────────────── */
.coverage-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.city-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border-radius: 50px;
    padding: 12px 24px;
    box-shadow: var(--sh-3d);
    font-weight: 700;
    color: var(--primary-dark);
    font-size: .95rem;
    border: 2px solid rgba(0, 119, 182, .08);
    transition: var(--transition);
}

.city-chip:hover {
    background: var(--grad-water);
    color: #fff;
    transform: translateY(-4px);
    box-shadow: var(--sh-md);
}

.city-chip i {
    color: var(--primary);
    transition: var(--transition);
}

.city-chip:hover i {
    color: #fff;
}

/* ─── FORMS ──────────────────────────────────────────────── */
.form-group {
    margin-bottom: 22px;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: .9rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-control-3d {
    width: 100%;
    padding: 15px 20px;
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control-3d:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 119, 182, .1), var(--sh-sm);
}

/* ─── WHATSAPP WIDGET ────────────────────────────────────── */
.whatsapp-float {
    position: fixed;
    width: 68px;
    height: 68px;
    bottom: 32px;
    right: 32px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    font-size: 38px;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(37, 211, 102, .45);
    transition: var(--transition);
    animation: pulse-green 2.5s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.12) rotate(-8deg);
    color: #fff;
    box-shadow: 0 14px 40px rgba(37, 211, 102, .6);
}

@keyframes pulse-green {

    0%,
    100% {
        box-shadow: 0 8px 30px rgba(37, 211, 102, .45);
    }

    50% {
        box-shadow: 0 8px 50px rgba(37, 211, 102, .7), 0 0 0 12px rgba(37, 211, 102, .08);
    }
}

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer {
    background: var(--bg-dark);
    padding: 90px 0 0;
    color: rgba(255, 255, 255, .75);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 0.9fr 1.4fr;
    gap: 20px;
    margin-bottom: 60px;
}

.footer h3,
.footer h4 {
    color: #fff;
    margin-bottom: 24px;
    font-size: 1.2rem;
}

.footer p {
    font-size: .93rem;
    line-height: 1.8;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 12px;
}

.footer ul li a {
    color: rgba(255, 255, 255, .6);
    font-size: .93rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer ul li a:hover {
    color: var(--primary-light);
    padding-left: 6px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
}

.footer-contact-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    flex-shrink: 0;
    background: rgba(0, 180, 216, .12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1rem;
    margin-top: 2px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, .07);
    color: rgba(255, 255, 255, .7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, .1);
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .06);
    padding: 28px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    color: rgba(255, 255, 255, .4);
    font-size: .88rem;
}

/* ─── INDUSTRIAL RO PAGE ─────────────────────────────────── */
.industrial-hero {
    background: var(--grad-hero);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.industrial-hero h1 {
    color: #fff;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    margin-bottom: 18px;
    background: linear-gradient(135deg, #fff, #90e0ef);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.industrial-hero p {
    color: rgba(255, 255, 255, .8);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 36px;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, .6);
    font-size: .9rem;
    margin-bottom: 20px;
}

.breadcrumb a {
    color: var(--primary-light);
}

.breadcrumb i {
    font-size: .7rem;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th {
    background: var(--grad-water);
    color: #fff;
    padding: 16px 22px;
    text-align: left;
    font-size: .92rem;
}

.specs-table td {
    padding: 15px 22px;
    border-bottom: 1px solid rgba(0, 119, 182, .08);
    font-size: .94rem;
}

.specs-table tr:nth-child(even) td {
    background: rgba(0, 119, 182, .03);
}

.specs-table tr:hover td {
    background: rgba(0, 119, 182, .06);
}

.capacity-badge {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 50px;
    font-weight: 700;
    font-size: .9rem;
}

.capacity-badge.green {
    background: rgba(16, 185, 129, .1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, .2);
}

.capacity-badge.blue {
    background: rgba(0, 119, 182, .1);
    color: var(--primary-dark);
    border: 1px solid rgba(0, 119, 182, .15);
}

.capacity-badge.orange {
    background: rgba(249, 115, 22, .1);
    color: #c2410c;
    border: 1px solid rgba(249, 115, 22, .15);
}

.process-pipeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-pipeline::before {
    content: '';
    position: absolute;
    left: 36px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--grad-water);
    border-radius: 2px;
}

.pipeline-step {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    padding: 28px 0;
    position: relative;
}

.pipeline-num {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--grad-water);
    color: #fff;
    font-family: 'Outfit';
    font-size: 1.4rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--sh-md);
    border: 4px solid #fff;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.pipeline-step:hover .pipeline-num {
    transform: scale(1.1);
    box-shadow: var(--sh-lg);
}

.pipeline-content {
    padding-top: 14px;
}

.pipeline-content h4 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.pipeline-content p {
    font-size: .93rem;
    color: var(--text-mid);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 28px;
}

.cert-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--sh-3d);
    border: 1px solid rgba(0, 119, 182, .05);
    transition: var(--transition);
}

.cert-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-lg);
}

.cert-card i {
    font-size: 2.8rem;
    color: var(--primary-light);
    margin-bottom: 14px;
    display: block;
}

.cert-card h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.cert-card p {
    font-size: .82rem;
    color: var(--text-light);
}

/* ─── ANIMATIONS ─────────────────────────────────────────── */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-18px);
    }
}

@keyframes floatX {

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

    50% {
        transform: translateX(-12px);
    }
}

@keyframes shine-move {
    0% {
        background-position: 200% center;
    }

    100% {
        background-position: -200% center;
    }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.animate-float {
    animation: float 5s ease-in-out infinite;
}

.animate-floatX {
    animation: floatX 6s ease-in-out infinite;
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── SLIDER ─────────────────────────────────────────────── */
.swiper {
    width: 100%;
    height: 680px;
}

.swiper-slide {
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(3, 4, 94, .75), rgba(0, 119, 182, .5));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    padding: 30px;
}

.slide-overlay h1 {
    font-size: clamp(2rem, 5vw, 4.5rem);
    color: #fff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, .4);
    margin-bottom: 16px;
    transform: translateY(30px);
    opacity: 0;
    transition: all 1s ease;
}

.slide-overlay p {
    font-size: 1.4rem;
    max-width: 800px;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, .4);
    margin-bottom: 32px;
    transform: translateY(30px);
    opacity: 0;
    transition: all 1s ease .3s;
}

.slide-overlay a {
    transform: translateY(30px);
    opacity: 0;
    transition: all 1s ease .6s;
}

.swiper-slide-active .slide-overlay h1,
.swiper-slide-active .slide-overlay p,
.swiper-slide-active .slide-overlay a {
    transform: translateY(0);
    opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE FIRST
   ═══════════════════════════════════════════════════════════ */

/* ── Tablet (≤1024px) ────────────────────────────────────── */
@media (max-width:1024px) {
    .hero-content { flex-direction:column; text-align:center; }
    .hero-text p  { margin:0 auto 36px; }
    .hero-btns    { justify-content:center; }
    .hero-stats   { justify-content:center; }
    .hero-badge-float { display:none; }
    .hero-image-wrap img { transform:none; }
    .process-steps::before { display:none; }

    /* Footer: 2 columns on tablet */
    .footer-grid { grid-template-columns:1fr 1fr; gap:24px; }
}

/* ── Mobile (≤768px) ─────────────────────────────────────── */
@media (max-width:768px) {

    /* Navbar */
    .nav-links {
        display: none; flex-direction:column;
        position:absolute; top:100%; left:0; width:100%;
        background:#fff; padding:20px 24px;
        box-shadow:var(--sh-md);
        border-top:1px solid rgba(0,119,182,.08);
        z-index:999;
    }
    .nav-links.open { display:flex; }
    .mobile-toggle  { display:block; }
    .nav-links li a.btn-3d { width:100%; justify-content:center; margin-top:8px; }

    /* Section padding */
    .section { padding:70px 0; }
    .section-title { margin-bottom:44px; }
    .section-title h2 { font-size:1.8rem; }
    .container { padding:0 16px; }

    /* Hero */
    .hero-3d { padding:80px 0 60px; min-height:auto; }
    .hero-text h1 { font-size:2rem; }
    .hero-text p  { font-size:1rem; margin:0 auto 28px; }
    .hero-stats   { gap:14px; margin-top:32px; }
    .hero-stat    { min-width:100px; padding:14px 16px; }
    .hero-stat .num { font-size:1.8rem; }

    /* Slider */
    .swiper { height:320px; }
    .slide-overlay h1 { font-size:1.6rem; }
    .slide-overlay p  { font-size:.95rem; display:none; }

    /* Counter strip */
    .counters-grid { flex-wrap:wrap; }
    .counter-item  { min-width:50%; border-right:none; border-bottom:1px solid rgba(255,255,255,.08); }
    .counter-item:nth-child(odd) { border-right:1px solid rgba(255,255,255,.08); }
    .counter-item .count { font-size:2.4rem; }

    /* Product / Service cards */
    .services-grid-3d { grid-template-columns:1fr; gap:20px; }
    .hl-grid          { grid-template-columns:1fr; gap:20px; }
    .product-card     { max-width:100%; }

    /* Product tabs */
    .solutions-tabs { flex-wrap:wrap; gap:8px; }
    .solutions-tabs .tab-btn { font-size:.82rem; padding:8px 14px; }

    /* Cards grid (auto-fit) */
    [style*="grid-template-columns:repeat(auto-fit"] { grid-template-columns:1fr !important; }
    [style*="grid-template-columns:repeat(auto-fill"] { grid-template-columns:1fr !important; }

    /* Why section / cert grid */
    .why-grid  { grid-template-columns:1fr; }
    .cert-grid { grid-template-columns:1fr 1fr; }

    /* Process steps */
    .process-steps::before { display:none; }
    .process-step { min-width:50%; }
    .process-pipeline::before { display:none; }
    .pipeline-step { flex-direction:column; align-items:center; text-align:center; }
    .pipeline-num  { width:54px; height:54px; font-size:1.1rem; }

    /* 3D buttons */
    .btn-3d   { padding:12px 24px; font-size:.9rem; }
    .btn-lg   { padding:14px 30px; font-size:1rem; }
    .hero-btns{ flex-direction:column; align-items:center; }
    .hero-btns .btn-3d { width:100%; max-width:280px; justify-content:center; }

    /* Card 3D */
    .card-3d { padding:24px; }

    /* AMC dark card */
    .amc-card { padding:36px 20px; }

    /* Industrial process pipeline */
    .process-pipeline { padding:0 8px; }

    /* Footer */
    .footer { padding:60px 0 0; }
    .footer-grid { grid-template-columns:1fr; gap:28px; }
    .footer-contact-item { gap:10px; }
    .footer-social { flex-wrap:wrap; gap:8px; }
    .footer-bottom { flex-direction:column; text-align:center; gap:8px; }

    /* Topbar */
    .top-bar { display:none; }

    /* Blog */
    .featured-post { flex-direction:column; }
    .featured-img  { flex:none; min-height:200px; }
    .featured-body { padding:24px; }

    /* Coverage chips */
    .coverage-grid { gap:10px; }
    .city-chip { padding:10px 16px; font-size:.88rem; }

    /* Tables */
    .specs-table { font-size:.85rem; }
    .specs-table th, .specs-table td { padding:10px 12px; }

    /* FAQ */
    .faq-question { padding:18px 20px; font-size:.95rem; }
    .faq-item.open .faq-answer { padding:16px 20px; }
}

/* ── Small Mobile (≤480px) ───────────────────────────────── */
@media (max-width:480px) {
    .hero-text h1 { font-size:1.7rem; }
    .section-title h2 { font-size:1.5rem; }
    .counter-item  { min-width:100%; border-right:none; }
    .counter-item:nth-child(odd) { border-right:none; }
    .cert-grid { grid-template-columns:1fr; }
    .process-step { min-width:100%; }
    .swiper { height:260px; }
    .slide-overlay h1 { font-size:1.3rem; }
    .hero-stat { min-width:calc(50% - 8px); }
    .whatsapp-float { width:56px; height:56px; font-size:30px; bottom:20px; right:20px; }
    #backToTop { bottom:90px; right:20px; }
}