/* 
* 7 Dagen Waterbalans Challenge - Trevalionyx.shop
* Stylesheet
*/

/* Base styles en reset */
:root {
    /* Hoofdkleuren */
    --light-water: #C2F0FF;
    --deep-water: #0077B6;
    --water-highlight: #CAF0F8;
    --accent-blue: #90E0EF;
    --dark-blue: #03045E;
    
    /* Ondersteunende kleuren */
    --white: #FFFFFF;
    --light-gray: #F5F8FA;
    --medium-gray: #E1E8ED;
    --dark-gray: #657786;
    --black: #14171A;
    
    /* Typography */
    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 62.5%; /* 10px base size for easier rem calculations */
}

body {
    font-family: var(--body-font);
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--dark-blue);
}

h1 {
    font-size: 4.2rem;
}

h2 {
    font-size: 3.6rem;
    text-align: center;
    position: relative;
    margin-bottom: 4rem;
}

h2::after {
    content: '';
    display: block;
    width: 8rem;
    height: 0.4rem;
    background: linear-gradient(90deg, var(--accent-blue), var(--deep-water));
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0.2rem;
}

h3 {
    font-size: 2.4rem;
}

p {
    margin-bottom: 1.6rem;
}

a {
    color: var(--deep-water);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--dark-blue);
}

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

section {
    padding: 8rem 0;
}

button {
    cursor: pointer;
    font-family: var(--body-font);
}

/* Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 8rem;
}

.logo-container {
    z-index: 10;
}

.nav-list {
    display: flex;
    list-style-type: none;
    gap: 2.5rem;
}

.nav-list a {
    color: var(--dark-blue);
    font-weight: 500;
    font-size: 1.6rem;
    padding: 0.8rem 1.2rem;
    border-radius: 0.4rem;
    transition: all 0.3s ease;
}

.nav-list a:hover {
    background-color: var(--light-water);
    color: var(--deep-water);
}

.nav-cta {
    background-color: var(--deep-water);
    color: white !important;
    padding: 0.8rem 1.6rem !important;
    border-radius: 0.4rem;
    font-weight: 600;
}

.nav-cta:hover {
    background-color: var(--dark-blue) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 3rem;
    height: 2.5rem;
    position: relative;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 0.3rem;
    background-color: var(--dark-blue);
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.mobile-menu-toggle span:nth-child(1) {
    top: 0;
}

.mobile-menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.mobile-menu-toggle span:nth-child(3) {
    bottom: 0;
}

.mobile-menu-open .mobile-menu-toggle span:nth-child(1) {
    transform: rotate(45deg);
    top: 50%;
}

.mobile-menu-open .mobile-menu-toggle span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-open .mobile-menu-toggle span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 40%;
}

/* Hero Sectie */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 60rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding-top: 8rem;
}

.wave-bg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    min-height: 20rem;
    max-height: 40rem;
}

.wave1 {
    animation: wave-animation 18s linear infinite;
}

.wave2 {
    animation: wave-animation 12s linear infinite reverse;
}

.wave3 {
    animation: wave-animation 10s linear infinite;
}

@keyframes wave-animation {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-25%);
    }
    100% {
        transform: translateX(0);
    }
}

.water-drops {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.drop {
    position: absolute;
    background: rgba(194, 240, 255, 0.7);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    width: 3rem;
    height: 3rem;
    animation: drop-fall linear infinite;
}

.drop::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: inherit;
    transform: rotate(90deg);
    opacity: 0.5;
}

.drop1 {
    left: 20%;
    animation-duration: 6s;
    animation-delay: 0s;
}

.drop2 {
    left: 60%;
    width: 4rem;
    height: 4rem;
    animation-duration: 7s;
    animation-delay: 2s;
}

.drop3 {
    left: 80%;
    width: 2.5rem;
    height: 2.5rem;
    animation-duration: 5s;
    animation-delay: 1s;
}

@keyframes drop-fall {
    0% {
        top: -5rem;
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        top: calc(100% + 5rem);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 80rem;
}

.hero-section h1 {
    font-size: 5rem;
    margin-bottom: 2rem;
    color: var(--dark-blue);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--dark-gray);
    margin-bottom: 3rem;
    max-width: 60rem;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, var(--deep-water), var(--dark-blue));
    color: white;
    font-family: var(--heading-font);
    font-weight: 600;
    font-size: 1.8rem;
    padding: 1.5rem 3rem;
    border-radius: 5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.3);
}

.cta-button:hover {
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 119, 182, 0.4);
}

.cta-button:active {
    transform: translateY(-2px);
}

/* Hoe werkt het? Sectie */
.how-it-works {
    background-color: var(--white);
    position: relative;
}

.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    margin-top: 6rem;
}

.step-card {
    flex: 1;
    background-color: var(--light-gray);
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 6px 15px rgba(0,0,0,0.05);
}

.step-card:hover {
    transform: translateY(-1rem);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.step-icon {
    margin-bottom: 2rem;
    height: 10rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.step-card h3 {
    color: var(--deep-water);
    margin-bottom: 1.5rem;
}

.mobile-steps-nav {
    display: none;
    justify-content: center;
    margin-top: 2rem;
}

.step-nav-dot {
    width: 1.2rem;
    height: 1.2rem;
    background-color: var(--medium-gray);
    border: none;
    border-radius: 50%;
    margin: 0 0.5rem;
    padding: 0;
    transition: all 0.3s ease;
}

.step-nav-dot.active {
    background-color: var(--deep-water);
    transform: scale(1.2);
}

/* Water Tracker Sectie */
.water-tracker {
    background: linear-gradient(135deg, var(--water-highlight) 0%, var(--light-water) 100%);
    position: relative;
    overflow: hidden;
}

.water-tracker::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/water.jpg');
    opacity: 0.4;
    pointer-events: none;
}

.section-intro {
    text-align: center;
    font-size: 1.8rem;
    color: var(--dark-gray);
    margin-bottom: 4rem;
    max-width: 70rem;
    margin-left: auto;
    margin-right: auto;
}

.tracker-demo {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4rem;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 2rem;
    padding: 4rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 90rem;
    margin: 0 auto;
}

.water-goal {
    flex: 1;
    min-width: 30rem;
}

.water-goal h3 {
    margin-bottom: 2rem;
    text-align: center;
}

.water-progress-container {
    width: 100%;
    height: 40rem;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid var(--deep-water);
    border-radius: 1.5rem;
    position: relative;
    overflow: hidden;
}

.water-level {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(180deg, rgba(144, 224, 239, 0.8) 0%, rgba(0, 119, 182, 0.8) 100%);
    transition: height 0.5s ease;
    border-radius: 0 0 1.5rem 1.5rem;
    z-index: 1;
}

.water-waves {
    position: absolute;
    top: -1rem;
    left: 0;
    width: 200%;
    height: 2rem;
    background: url('images/bg.jpg') repeat-x;
    animation: wave-move 10s linear infinite;
}

@keyframes wave-move {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.water-percentage {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: bold;
    color: var(--dark-blue);
    z-index: 2;
}

.glasses-container {
    flex: 1;
    min-width: 30rem;
}

.glasses-container h4 {
    margin-bottom: 2rem;
    text-align: center;
}

.glasses-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.glass {
    width: 8rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.glass:hover {
    transform: scale(1.1);
}

.glass:active {
    transform: scale(0.95);
}

.glass-icon {
    width: 6rem;
    height: 8rem;
    margin: 0 auto 1rem;
    background-color: rgba(144, 224, 239, 0.2);
    border: 2px solid var(--deep-water);
    border-radius: 0.5rem 0.5rem 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.glass-icon::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(180deg, var(--accent-blue) 0%, var(--deep-water) 100%);
    border-radius: 0 0 1.8rem 1.8rem;
}

.glass span {
    display: block;
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--dark-gray);
}

.tracker-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--deep-water);
}

.stat-label {
    font-size: 1.4rem;
    color: var(--dark-gray);
}

.reset-button {
    display: block;
    width: 100%;
    max-width: 20rem;
    margin: 0 auto;
    background-color: var(--light-gray);
    color: var(--dark-gray);
    border: none;
    border-radius: 3rem;
    padding: 1rem 2rem;
    font-size: 1.4rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.reset-button:hover {
    background-color: var(--medium-gray);
    color: var(--deep-water);
}

/* Waarom Hydratatie Sectie */
.why-hydration {
    background-color: var(--light-gray);
}

.facts-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 5rem;
}

.fact-card {
    flex: 1;
    min-width: 28rem;
    perspective: 1000px;
}

.fact-bubble {
    background-color: var(--white);
    border-radius: 2rem;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    transform-style: preserve-3d;
    position: relative;
}

.fact-card:hover .fact-bubble {
    transform: rotateY(5deg) translateZ(10px);
    box-shadow: -10px 10px 30px rgba(0, 0, 0, 0.1);
}

.fact-icon {
    width: 8rem;
    height: 8rem;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-water);
    border-radius: 50%;
    position: relative;
    z-index: 1;
    box-shadow: 0 5px 15px rgba(0, 119, 182, 0.2);
}

.fact-bubble h3 {
    color: var(--deep-water);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.fact-bubble p {
    text-align: center;
    color: var(--dark-gray);
    line-height: 1.8;
}

.hydration-benefits {
    background-color: var(--white);
    border-radius: 2rem;
    padding: 4rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    max-width: 90rem;
    margin: 0 auto;
}

.hydration-benefits h3 {
    text-align: center;
    margin-bottom: 3rem;
}

.benefits-list {
    list-style-position: inside;
    columns: 2;
    column-gap: 4rem;
    margin: 0 auto;
    max-width: 80rem;
}

.benefits-list li {
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 3rem;
    break-inside: avoid;
}

.benefits-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--accent-blue);
    border-radius: 50%;
}

/* Ervaringen Sectie */
.testimonials {
    background: linear-gradient(135deg, var(--water-highlight) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/test.jpg');
    opacity: 0.4;
    pointer-events: none;
}

.testimonials-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
}

.testimonial-card {
    flex: 1;
    min-width: 30rem;
    max-width: 35rem;
}

.testimonial-content {
    position: relative;
    background-color: var(--white);
    border-radius: 2rem;
    padding: 4rem 3rem 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.testimonial-content::before {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 5rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--white);
    transform: rotate(45deg);
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.05);
    z-index: -1;
}

.testimonial-image {
    position: absolute;
    top: -4rem;
    left: 3rem;
    width: 8rem;
    height: 8rem;
    overflow: hidden;
    border-radius: 50%;
    border: 0.5rem solid var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

blockquote {
    margin: 0;
    padding: 0;
}

blockquote p {
    font-style: italic;
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

blockquote cite {
    font-style: normal;
    font-weight: 600;
    color: var(--deep-water);
}

/* Tarieven en Mentoren Sectie */
.pricing-mentors {
    background-color: var(--white);
}

.pricing-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 8rem;
}

.pricing-card {
    flex: 1;
    min-width: 30rem;
    max-width: 35rem;
    background-color: var(--light-gray);
    border-radius: 2rem;
    padding: 4rem 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-1rem);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-badge {
    position: absolute;
    top: -1.5rem;
    right: 3rem;
    background-color: var(--deep-water);
    color: var(--white);
    font-size: 1.4rem;
    font-weight: 600;
    padding: 0.5rem 2rem;
    border-radius: 3rem;
}

.pricing-header {
    text-align: center;
    margin-bottom: 3rem;
}

.pricing-header h3 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.price {
    font-size: 4rem;
    font-weight: 700;
    color: var(--deep-water);
}

.pricing-features {
    list-style-type: none;
    margin-bottom: 3rem;
}

.pricing-features li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--medium-gray);
    position: relative;
    padding-left: 3rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--deep-water);
    font-weight: bold;
}

.pricing-cta {
    display: block;
    width: 100%;
    background-color: var(--deep-water);
    color: var(--white);
    text-align: center;
    padding: 1.5rem;
    border-radius: 3rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pricing-cta:hover {
    background-color: var(--dark-blue);
    color: var(--white);
    transform: translateY(-0.5rem);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.premium-plan {
    background-color: var(--white);
    border: 2px solid var(--deep-water);
    transform: translateY(-2rem);
    z-index: 1;
}

.premium-plan .pricing-features li::before {
    color: var(--dark-blue);
}

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

.mentors-container h3 {
    margin-bottom: 4rem;
}

.mentors-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4rem;
}

.mentor-card {
    flex: 1;
    min-width: 25rem;
    max-width: 30rem;
    background-color: var(--light-gray);
    border-radius: 2rem;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.mentor-card:hover {
    transform: translateY(-1rem);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.mentor-image {
    width: 12rem;
    height: 12rem;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 0.5rem solid var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.mentor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mentor-card h4 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.mentor-title {
    font-size: 1.6rem;
    color: var(--deep-water);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.mentor-bio {
    color: var(--dark-gray);
    line-height: 1.8;
}

/* Doe Mee Sectie */
.signup-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.signup-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/sig.jpg');
    opacity: 0.3;
    pointer-events: none;
}

.signup-form-container {
    max-width: 60rem;
    margin: 0 auto;
    background-color: var(--white);
    border-radius: 2rem;
    padding: 4rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.signup-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group:nth-child(3),
.form-group:nth-child(4),
.form-group:nth-child(5),
.form-group:last-child {
    grid-column: span 2;
}

.form-group label {
    font-size: 1.6rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
    color: var(--dark-blue);
}

.form-group input:not([type="checkbox"]) {
    font-family: var(--body-font);
    font-size: 1.6rem;
    padding: 1.2rem 1.5rem;
    border: 1px solid var(--medium-gray);
    border-radius: 0.8rem;
    background-color: var(--light-gray);
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--deep-water);
    box-shadow: 0 0 0 2px rgba(0, 119, 182, 0.2);
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
}

.checkbox-group input {
    width: 2rem;
    height: 2rem;
    cursor: pointer;
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: 400;
    color: var(--dark-gray);
    cursor: pointer;
}

.submit-button {
    grid-column: span 2;
    font-family: var(--heading-font);
    font-size: 1.8rem;
    font-weight: 600;
    background: linear-gradient(45deg, var(--deep-water), var(--dark-blue));
    color: var(--white);
    border: none;
    border-radius: 3rem;
    padding: 1.5rem;
    margin-top: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 119, 182, 0.3);
}

.submit-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 119, 182, 0.4);
}

.submit-button:active {
    transform: translateY(-2px);
}

/* Google Maps Sectie */
.map-section {
    padding-top: 0;
}

.map-container {
    position: relative;
    height: 45rem;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer */
.main-footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 6rem 0 3rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 4rem;
    margin-bottom: 5rem;
}

.footer-logo {
    flex: 1;
    min-width: 25rem;
}

.footer-logo img {
    filter: brightness(0) invert(1);
    margin-bottom: 1.5rem;
}

.footer-tagline {
    font-style: italic;
    opacity: 0.8;
    font-size: 1.4rem;
}

.footer-newsletter {
    flex: 1;
    min-width: 25rem;
}

.footer-newsletter h3,
.footer-contact h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    max-width: 40rem;
}

.newsletter-form input {
    flex: 1;
    font-family: var(--body-font);
    font-size: 1.6rem;
    padding: 1.2rem 1.5rem;
    border: none;
    border-radius: 3rem 0 0 3rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all 0.3s ease;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.newsletter-form button {
    font-family: var(--body-font);
    font-size: 1.6rem;
    font-weight: 600;
    background-color: var(--deep-water);
    color: var(--white);
    border: none;
    border-radius: 0 3rem 3rem 0;
    padding: 1.2rem 2.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.footer-contact {
    flex: 1;
    min-width: 25rem;
}

.footer-contact p {
    margin-bottom: 1rem;
}

.footer-contact a {
    color: var(--accent-blue);
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.4rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.copyright {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Styling */
@media (max-width: 1024px) {
    html {
        font-size: 56.25%; /* 9px base */
    }
    
    .hero-section h1 {
        font-size: 4.4rem;
    }
    
    .benefits-list {
        columns: 1;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 50%; /* 8px base */
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 40rem;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4rem;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
    }
    
    .mobile-menu-open .nav-list {
        right: 0;
    }
    
    .steps-container {
        flex-direction: column;
        max-width: 40rem;
        margin-left: auto;
        margin-right: auto;
    }
    
    .mobile-steps-nav {
        display: flex;
    }
    
    .tracker-demo {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-section h1 {
        font-size: 3.6rem;
    }
    
    .hero-subtitle {
        font-size: 1.8rem;
    }
    
    .cta-button {
        width: 100%;
    }
    
    .signup-form {
        display: flex;
        flex-direction: column;
    }
    
    .pricing-container,
    .testimonials-container,
    .facts-container {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card,
    .testimonial-card,
    .fact-card {
        width: 100%;
    }
    
    .premium-plan {
        transform: translateY(0);
        margin-top: 3rem;
        margin-bottom: 3rem;
    }
    
    .map-container {
        height: 30rem;
    }
}