/*variables*/
:root {
    --primary: oklch(54.64% 0.131 242.68);
    --primary-dark: oklch(46.56% 0.111 242.37);
    --secondary: oklch(71.14% 0.129 218.98);
    --accent: oklch(86.03% 0.081 210.7);
    --light: oklch(93.06% 0.041 211.84);
    --dark: oklch(22.5% 0.146 265.82);
    --white: oklch(100% 0 0);
    --gray: oklch(55.75% 0.016 244.89);
    --light-gray: oklch(98.16% 0.002 247.84);
    --text: oklch(32.11% 0 0);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 5px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Poppins", sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--white);
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/*header*/
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.header-top {
    background: var(--dark);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.header-top a {
    color: var(--accent);
    transition: var(--transition);
}

.header-top a:hover {
    color: var(--white);
}

.navbar {
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    font-weight: 500;
    color: var(--dark);
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: var(--transition);
}

/*hero*/
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    padding: 160px 0 120px;
    color: var(--white);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

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

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 14px;
}

.badge svg {
    width: 20px;
    height: 20px;
    fill: var(--accent);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.water-drop {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.drop-svg {
    width: 200px;
    height: 280px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.drop-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
}

.drop-text .tds {
    display: block;
    font-size: 14px;
    opacity: 0.8;
}

.drop-text .level {
    display: block;
    font-size: 32px;
    font-weight: 700;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

/*common/section buttons*/
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--secondary);
    border: 2px solid var(--secondary);
    color: var(--dark);
}

.btn-primary:hover {
    background: var(--accent);
    border: 2px solid var(--accent);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--dark);
}

.btn-small {
    padding: 10px 24px;
    font-size: 14px;
}

.btn-full {
    width: 100%;
}

/*common/section titles*/
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-title.light h2 {
    color: var(--white);
}

.section-title.light p {
    color: var(--accent);
}

/*stats*/
.stats {
    padding: 60px 0;
    background: var(--white);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-top: -80px;
    position: relative;
    z-index: 10;
}

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

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    color: var(--gray);
    font-size: 16px;
}

/*problems*/
.water-problem {
    padding: 100px 0;
    background: var(--light-gray);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.problem-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #eee;
}

.problem-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--secondary);
}

.problem-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.problem-icon svg {
    width: 35px;
    height: 35px;
    fill: var(--white);
}

.problem-card h3 {
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 12px;
}

.problem-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/*services*/
.services {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid #eee;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 119, 182, 0.15);
    border-color: var(--secondary);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--white);
}

.service-card h3 {
    font-size: 22px;
    color: var(--dark);
    margin-bottom: 15px;
}

.service-card > p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 8px 0;
    color: var(--text);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li::before {
    content: "✓";
    color: var(--secondary);
    font-weight: bold;
}

/*products*/
.products {
    padding: 100px 0;
    background: var(--light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    border: 1px solid #eee;
}

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

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 5;
}

.product-badge.sale {
    background: oklch(61.22% 0.208 22.24);
}

.product-badge.new {
    background: oklch(63.04% 0.101 183.03);
}

.product-image {
    background: linear-gradient(
        135deg,
        var(--light) 0%,
        oklch(95.14% 0.025 236.82) 100%
    );
    padding: 40px;
    text-align: center;
}

.ro-svg {
    height: 150px;
    width: auto;
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 8px;
}

.product-desc {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 20px;
}

.product-features {
    margin-bottom: 25px;
}

.product-features li {
    padding: 6px 0;
    color: var(--text);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features li::before {
    content: "✓";
    color: var(--secondary);
    font-weight: bold;
}

.product-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price .current {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
}

.price .original {
    font-size: 14px;
    color: var(--gray);
    text-decoration: line-through;
    margin-left: 10px;
}

.brands {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.brands p {
    color: var(--gray);
    margin-bottom: 20px;
}

.brand-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.brand-list span {
    background: var(--white);
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 500;
    color: var(--dark);
    border: 1px solid #eee;
    transition: var(--transition);
}

.brand-list span:hover {
    border-color: var(--primary);
    color: var(--primary);
    cursor: default;
}

/*about*/
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.about-item {
    text-align: center;
    padding: 40px 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: var(--transition);
}

.about-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.about-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.about-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--accent);
}

.about-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.about-item p {
    font-size: 15px;
    opacity: 0.8;
    line-height: 1.6;
}

/*reviews*/
.reviews {
    padding: 100px 0;
    background: var(--white);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: var(--light-gray);
    padding: 35px;
    border-radius: 20px;
    transition: var(--transition);
}

.review-card:hover {
    box-shadow: var(--shadow);
}

.stars {
    color: oklch(84.42% 0.172 84.93);
    font-size: 18px;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.review-text {
    color: var(--text);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 25px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 55px;
    height: 55px;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 18px;
}

.author-info h4 {
    color: var(--dark);
    font-size: 16px;
    margin-bottom: 3px;
}

.author-info p {
    color: var(--gray);
    font-size: 13px;
}

/*areas*/
.areas {
    padding: 100px 0;
    background: var(--light-gray);
}

.areas-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    max-width: 1000px;
    margin: 0 auto;
}

.area-tag {
    background: var(--white);
    color: var(--dark);
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid #eee;
}

.area-tag:hover {
    background: var(--primary);
    color: var(-white);
    border-color: var(--primary);
    transform: translateY(-3px);
    cursor: default;
}

/*contact*/
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 15px;
}

.contact-info > p {
    color: var(--gray);
    margin-bottom: 35px;
    line-height: 1.7;
}

.contact-details li {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-details svg {
    width: 28px;
    height: 28px;
    fill: var(--primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.contact-details h4 {
    color: var(--dark);
    font-size: 16px;
    margin-bottom: 8px;
}

.contact-details p {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.6;
}

.contact-details a {
    color: var(--primary);
    transition: var(--transition);
}

.contact-details a:hover {
    color: (var(--secondary));
}

.contact-form-wrapper {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 20px;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 500;
    font-size: 15px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid #ddd;
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.1);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-group select {
    cursor: pointer;
}

/*cta*/
.cta {
    padding: 80px 0;
    background: linear-gradient(
        135deg,
        var(--secondary) 0%,
        var(--primary) 100%
    );
    text-align: center;
    color: var(--white);
}

.cta h2 {
    font-size: 40px;
    margin-bottom: 15px;
}

.cta p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-phone {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.2);
    padding: 18px 45px;
    border-radius: 50px;
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition);
}

.cta-phone:hover {
    background: var(--white);
    color: var(--primary);
    transform: scale(1.05);
}

.cta-phone svg {
    width: 32px;
    height: 32px;
    transform: scale(1.05);
}

/*footer*/
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-about .logo {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.social-links svg {
    width: 20px;
    height: 20px;
    fill: var(--white);
}

.footer-links h4 {
    font-size: 18px;
    margin-bottom: 25px;
    color: var(--white);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.copyrights {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}
.copyrights p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/*floating whatsapp button*/
.whatsapp-float {
    position: fixed;
    z-index: 999;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: oklch(76.1% 0.201 149.74);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
    fill: var(--white);
}

/*responsive styles*/
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 42px;
    }

    .stats-grid {
        margin-top: -60px;
    }

    .stats-grid,
    .problem-grid,
    .services-grid,
    .products-grid,
    .reviews-grid,
    .about-grid,
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-top .container {
        justify-content: center;
        text-align: center;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        padding: 15px 0;
        border-bottom: 1px solid #eee;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        padding: 140px 0 100px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-badges {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        padding: 30px;
    }

    .stat-number {
        font-size: 36px;
    }

    .problem-grid,
    .services-grid,
    .products-grid,
    .reviews-grid,
    .about-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper,
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    .cta h2 {
        font-size: 28px;
    }

    .cta-phone {
        font-size: 22px;
        padding: 15px 30px;
    }

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

    .social-links {
        justify-content: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .badge {
        padding: 8px 15px;
        font-size: 12px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }

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

    .stat-item {
        padding: 15px 0;
        border-bottom: 1px solid #eee;
    }

    .stat-item:last-child {
        border-bottom: none;
    }

    .areas-list {
        gap: 10px;
    }

    .area-tag {
        padding: 10px 20px;
        font-size: 13px;
    }
}