/* ===== Base Styles ===== */
:root {
    --primary-color: #0077b6;
    --secondary-color: #00b4d8;
    --accent-color: #90e0ef;
    --dark-color: #03045e;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #6c757d;
    --white: #fff;
    --black: #000;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

h2:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

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

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    margin-left: auto;
    margin-right: auto;
}

.section-header h2:after {
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.8rem 1.8rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.2);
}

.btn:hover {
    background: var(--dark-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(0, 119, 182, 0.3);
}

.btn-primary {
    background: var(--primary-color);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
}

.section-padding {
    padding: 6rem 0;
}

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    padding: 1rem 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-menu li {
    margin-left: 2rem;
}

.nav-link {
    color: var(--dark-color);
    font-weight: 500;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    bottom: 0;
    left: 0;
    transition: var(--transition);
}

.nav-link:hover:after,
.nav-link.active:after {
    width: 100%;
}

.cta-button {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: 50px;
    transition: var(--transition);
    text-transform: uppercase;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.2);
}

.cta-button:hover {
    background: var(--dark-color);
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(0, 119, 182, 0.3);
}

.cta-button:after {
    display: none;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 12rem 0 8rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e6f7ff 100%);
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.cta-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.cta-button.primary {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem !important;
    font-size: 1rem;
}

.cta-button.secondary {
    background: transparent;
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color);
    padding: 1rem 2rem !important;
    font-size: 1rem;
}

.cta-button.secondary:hover {
    background: var(--primary-color);
    color: var(--white) !important;
}

.hero-image {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.valve-img {
    max-width: 80%;
    height: auto;
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.water-drop {
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.1) 0%, rgba(0, 119, 182, 0.2) 100%);
    border-radius: 40% 60% 60% 40% / 70% 30% 70% 30%;
    animation: waterDrop 15s infinite linear;
    z-index: 1;
}

.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 150px;
}

.wave-divider .shape-fill {
    fill: #FFFFFF;
}

/* ===== About Section ===== */
.about-section {
    padding: 8rem 0;
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 10px 20px rgba(0, 119, 182, 0.2);
}

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.about-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.03);
}

/* ===== How It Works Section ===== */
.how-it-works {
    padding: 8rem 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.process-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.process-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.process-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 20px rgba(0, 119, 182, 0.2);
}

.process-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

/* ===== Benefits Section ===== */
.benefits-section {
    padding: 8rem 0;
    background-color: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.benefit-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(0, 119, 182, 0.2);
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

/* ===== Specifications Section ===== */
.specs-section {
    padding: 8rem 0;
    background-color: #f8f9fa;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.specs-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.specs-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.specs-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.specs-card h3:after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.specs-list {
    list-style: none;
}

.specs-list li {
    padding: 0.8rem 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    justify-content: space-between;
}

.specs-list li:last-child {
    border-bottom: none;
}

.specs-list li strong {
    color: var(--dark-color);
    font-weight: 600;
}

/* ===== Warranty Section ===== */
.warranty-section {
    padding: 8rem 0;
    background-color: var(--white);
}

.warranty-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.warranty-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.warranty-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.warranty-card.featured {
    transform: scale(1.05);
    border: 1px solid var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 119, 182, 0.15);
}

.warranty-card.featured .warranty-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.warranty-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.warranty-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.warranty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: #f0f9ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 2rem;
    transition: var(--transition);
}

.warranty-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.warranty-features {
    text-align: left;
    margin: 2rem 0;
}

.warranty-features li {
    padding: 0.5rem 0;
    padding-left: 1.8rem;
    position: relative;
    color: var(--text-light);
}

.warranty-features li:before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--success-color);
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 8rem 0;
    background-color: #f8f9fa;
    position: relative;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 3rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.contact-info {
    padding: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
    color: var(--white);
    position: relative;
    z-index: 1;
}

.contact-info:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2MDAiIGhlaWdodD0iNjAwIiB2aWV3Qm94PSIwIDAgNjAwIDYwMCI+PHBhdGggZmlsbD0iIzAwOTJlNiIgZD0iTTU0MCAzMDBjMCAxMzIuNTQ4LEwzMDAgNTQwLDYwIDMwMFMzMzIuNTQ4IDYwLDQ2NSA2MEM1OTcuNDUyIDYwIDU0MCAxNjcuNDUyIDU0MCAzMDB6IiBvcGFjaXR5PSIwLjEiLz48L3N2Zz4=');
    opacity: 0.1;
    z-index: -1;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--white);
    position: relative;
    padding-bottom: 1rem;
}

.contact-info h3:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-color);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-method i {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-right: 1rem;
    margin-top: 0.3rem;
}

.contact-method h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--white);
}

.contact-method p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 3rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-color);
    color: var(--dark-color);
    transform: translateY(-3px);
}

.contact-form-container {
    padding: 3rem;
}

.contact-form {
    max-width: 100%;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

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

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

.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 1rem 2rem !important;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 119, 182, 0.2);
}

/* Map Section */
.map-container {
    width: 100%;
    height: 400px;
    position: relative;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 6rem 0 0;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-about h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4,
.footer-newsletter h4 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.footer-links h4:after,
.footer-contact h4:after,
.footer-newsletter h4:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    position: relative;
    padding-left: 0;
}

.footer-links ul li a:before {
    content: '\f105';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    margin-right: 0.5rem;
    color: var(--primary-color);
    transition: var(--transition);
    opacity: 0;
    position: absolute;
    left: -15px;
}

.footer-links ul li a:hover {
    color: var(--white);
    padding-left: 15px;
}

.footer-links ul li a:hover:before {
    opacity: 1;
    left: 0;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.footer-contact i {
    color: var(--primary-color);
    width: 20px;
}

.newsletter-form {
    display: flex;
    margin-top: 1.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: none;
    border-radius: 4px 0 0 4px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
}

.newsletter-form button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0 1.2rem;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-legal {
    margin-top: 1rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0.8rem;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--primary-color);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    text-decoration: none;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--dark-color);
    transform: translateY(-5px);
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    top: 25px;
    right: 30px;
    background: #fff;
    padding: 20px 35px 20px 25px;
    border-radius: 8px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    border-left: 6px solid #4fc3dc;
    overflow: hidden;
    transform: translateX(calc(100% + 30px));
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.35);
    z-index: 1000;
    max-width: 300px;
}

.toast.active {
    transform: translateX(0);
}

.toast .toast-content {
    display: flex;
    align-items: center;
}

.toast-content .message {
    display: flex;
    flex-direction: column;
    margin: 0 20px 0 15px;
    color: #333;
    font-size: 14px;
}

.toast-content .message span:first-child {
    font-weight: 600;
    color: #333;
}

.toast-content .message span:last-child {
    font-size: 12px;
    color: #666;
}

.toast-content .check {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 35px;
    width: 35px;
    background-color: #4fc3dc;
    color: #fff;
    border-radius: 50%;
    font-size: 18px;
}

.toast .close {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px;
    cursor: pointer;
    opacity: 0.7;
    color: #666;
    font-size: 14px;
}

.toast .close:hover {
    opacity: 1;
}

.toast .progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: #f0f0f0;
}

.toast .progress:before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    height: 100%;
    width: 100%;
    background-color: #4fc3dc;
}

.toast.active .progress:before {
    animation: progress 3s linear forwards;
}

@keyframes progress {
    100% {
        right: 100%;
    }
}

/* ===== Animations ===== */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes waterDrop {
    0% {
        border-radius: 40% 60% 60% 40% / 70% 30% 70% 30%;
    }
    50% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    100% {
        border-radius: 40% 60% 60% 40% / 70% 30% 70% 30%;
    }
}

.animate-fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

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

/* ===== Responsive Styles ===== */
@media (max-width: 1199.98px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 4rem;
    }
    
    .cta-group {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        order: 2;
    }
    
    .about-image {
        order: 1;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .warranty-card.featured {
        transform: scale(1);
    }
    
    .warranty-card.featured:hover {
        transform: scale(1) translateY(-10px);
    }
}

@media (max-width: 991.98px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }
    
    .overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .process-steps,
    .benefits-grid,
    .specs-grid,
    .warranty-cards {
        grid-template-columns: 1fr;
    }
    
    .process-card,
    .benefit-card,
    .specs-card,
    .warranty-card {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 767.98px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .section-padding {
        padding: 4rem 0;
    }
    
    .hero {
        padding: 8rem 0 6rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-group {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social,
    .footer-links ul,
    .footer-contact,
    .footer-newsletter {
        justify-content: center;
        align-items: center;
    }
    
    .footer-links h4:after,
    .footer-contact h4:after,
    .footer-newsletter h4:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-legal {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-legal a {
        margin: 0.3rem;
        display: inline-block;
    }
}

@media (max-width: 575.98px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .hero {
        padding: 7rem 0 5rem;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero .subtitle {
        font-size: 1.1rem;
    }
    
    .contact-info,
    .contact-form-container {
        padding: 2rem 1.5rem;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        bottom: 20px;
        right: 20px;
    }
}