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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f8f8;
    --bg-dark: #1a1a1a;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent-blue: #0056B3;
    --accent-light-blue: #4A90E2;
    --court-blue: #1E88E5;
    --accent-yellow: #FFD600;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    scroll-behavior: smooth;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 1.5rem;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.logo-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--court-blue);
    border-radius: 50%;
    margin-left: 2px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--court-blue);
    transition: width 0.3s ease;
}

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

.cta-button {
    padding: 0.8rem 1.8rem;
    background: var(--court-blue);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 136, 229, 0.3);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    position: relative;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 6px 0;
    transition: var(--transition);
}

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

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

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

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: white;
    transition: right 0.3s ease;
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-links {
    list-style: none;
    text-align: center;
}

.mobile-menu-links li {
    margin: 2rem 0;
}

.mobile-menu-links a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

/* Hero Section */
.hero {
    padding: 8rem 3rem 4rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: url('https://images.unsplash.com/photo-1709587824645-cf6dd2041e2b?ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&q=80&w=1331') center/cover;
    margin-top: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 0;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 6rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    color: white;
}

.hero-content .highlight {
    background: linear-gradient(135deg, var(--court-blue) 0%, var(--accent-light-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.hero-features {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    color: white;
}

.check-icon {
    width: 20px;
    height: 20px;
    background: var(--court-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 1.2rem 2.5rem;
    background: var(--court-blue);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(30, 136, 229, 0.3);
}

.btn-secondary {
    padding: 1.2rem 2.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid white;
    border-radius: 50px;
    transition: var(--transition);
    display: inline-block;
}

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

/* How it Works */
.how-it-works {
    padding: 6rem 3rem;
    background: var(--bg-secondary);
}

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

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.steps-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--court-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-arrow {
    position: absolute;
    top: 30px;
    right: -40px;
    color: var(--court-blue);
    font-size: 2rem;
}

/* Subscription Plans */
.subscriptions {
    padding: 6rem 3rem;
    background: white;
}

.plans-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.plan-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 20px;
    padding: 3rem 2rem;
    position: relative;
    transition: var(--transition);
    text-align: center;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.plan-card.featured {
    border-color: var(--court-blue);
    transform: scale(1.05);
}

.plan-card.featured::before {
    content: 'POPULAIR';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--court-blue);
    color: white;
    padding: 0.3rem 1.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.plan-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.plan-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.plan-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.plan-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.plan-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.plan-features li {
    padding: 0.8rem 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.plan-btn {
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 2px solid var(--court-blue);
    color: var(--court-blue);
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.plan-btn:hover {
    background: var(--court-blue);
    color: white;
}

.plan-card.featured .plan-btn {
    background: var(--court-blue);
    color: white;
}

.plan-card.featured .plan-btn:hover {
    background: var(--accent-blue);
}

/* Benefits Section */
.benefits {
    padding: 6rem 3rem;
    background: #ffffff;
}

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

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

.benefits-header h2 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.benefits-header h2 span {
    color: var(--court-blue);
}

.benefits-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* Calculator Section */
.calculator-section {
    padding: 6rem 3rem;
    background: linear-gradient(135deg, var(--court-blue) 0%, var(--accent-light-blue) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.calculator-section::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -150px;
    right: -150px;
}

.calculator-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

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

.calculator-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.calculator-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.calculator-box {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.calc-step {
    margin-bottom: 2rem;
}

.calc-step h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.frequency-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.freq-btn {
    padding: 1.5rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    color: var(--text-primary);
}

.freq-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.freq-btn.active {
    background: var(--court-blue);
    color: white;
    border-color: var(--court-blue);
}

.freq-number {
    font-size: 2rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.freq-label {
    font-size: 0.9rem;
}

.calc-result {
    display: none;
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
    border: 2px solid var(--court-blue);
}

.calc-result.show {
    display: block;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-header {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.result-header h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.recommended-plan {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.plan-name-result {
    font-size: 2rem;
    font-weight: 800;
    color: var(--court-blue);
    margin-bottom: 1rem;
}

.plan-details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.detail-item {
    color: var(--text-primary);
}

.detail-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--court-blue);
    display: block;
    margin-bottom: 0.5rem;
}

.detail-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.savings-badge {
    background: linear-gradient(135deg, #FFD600 0%, #FFA000 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    display: inline-block;
    margin: 1.5rem 0;
    font-weight: 600;
    font-size: 1.1rem;
}

.calc-cta {
    display: block;
    width: 100%;
    max-width: 400px;
    margin: 2rem auto 0;
    padding: 1.2rem 2rem;
    background: var(--court-blue);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 50px;
    text-align: center;
    transition: all 0.3s ease;
}

.calc-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(30, 136, 229, 0.3);
}

.consumption-info {
    background: rgba(30, 136, 229, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    color: var(--text-primary);
}

.consumption-info h5 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.consumption-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Ball Animation Styles */
.floating-ball {
    position: fixed;
    width: 60px;
    height: 60px;
    background: var(--accent-yellow);
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
}

.floating-ball::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid white;
    border-radius: 50%;
    opacity: 0.5;
    clip-path: polygon(0 40%, 100% 40%, 100% 60%, 0 60%);
}

/* About Section */
.about-section {
    padding: 6rem 3rem;
    background: white;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.stat-box {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 10px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--court-blue);
}

.stat-label {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

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

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Mission Section */
.mission-section {
    padding: 6rem 3rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f8f8 100%);
}

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

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

.mission-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.mission-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

.mission-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4rem;
    margin-bottom: 4rem;
}

.mission-story {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 800px;
    text-align: center;
}

.story-block h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--court-blue);
    font-weight: 700;
}

.story-block p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.mission-values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    width: 100%;
}

.value-card {
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 136, 229, 0.15);
}

.value-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1rem;
}

.value-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.value-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.mission-footer {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
    background: var(--court-blue);
    border-radius: 20px;
    color: white;
}

.mission-footer blockquote {
    font-size: 1.3rem;
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.founder-note {
    font-weight: 600;
    opacity: 0.95;
}

/* FAQ Section */
.faq {
    padding: 6rem 3rem;
    background: var(--bg-secondary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--court-blue);
    transition: var(--transition);
}

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

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 1.5rem 1.5rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 3rem;
    background: linear-gradient(135deg, var(--court-blue) 0%, var(--accent-light-blue) 100%);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-btn {
    padding: 1.2rem 3rem;
    background: white;
    color: var(--court-blue);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50px;
    display: inline-block;
    transition: var(--transition);
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 3rem 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

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

.social-icon:hover {
    background: var(--court-blue);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

.footer-column h4 {
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
}

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: white;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .cta-button {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .steps-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .step-arrow {
        display: none;
    }

    .calculator-section {
        padding: 4rem 1.5rem;
    }

    .calculator-header h2 {
        font-size: 2rem;
    }

    .calculator-box {
        padding: 2rem 1.5rem;
    }

    .calc-step h3 {
        font-size: 1.3rem;
    }

    .frequency-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .freq-btn {
        padding: 1.3rem 0.8rem;
    }

    .freq-number {
        font-size: 1.7rem;
    }

    .plan-details-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .detail-value {
        font-size: 1.3rem;
    }

    .plans-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .plan-card.featured {
        transform: scale(1);
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        order: -1;
    }

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

    .mission-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .mission-values {
        grid-template-columns: 1fr;
    }

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

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

    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 600px) {
    /* Calculator improvements for mobile and small tablets */
    .calculator-box {
        padding: 1.5rem 1rem;
    }

    .calc-step h3 {
        font-size: 1.15rem;
        margin-bottom: 1.5rem;
        line-height: 1.4;
    }

    .recommended-plan {
        padding: 1.5rem 1rem;
    }

    .consumption-info {
        margin-top: 1.5rem;
    }
}

@media (max-width: 480px) {
    /* Calculator improvements for mobile */
    .calc-step h3 {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
        line-height: 1.4;
    }

    .frequency-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .freq-btn {
        padding: 1rem 0.5rem;
        border-radius: 12px;
    }

    .freq-number {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
    }

    .freq-label {
        font-size: 0.75rem;
    }

    /* Result card improvements */
    .calc-result {
        padding: 1.5rem;
        margin-top: 1.5rem;
    }

    .result-header h4 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .recommended-plan {
        padding: 1.5rem;
    }

    .plan-name-result {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .plan-details-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
        margin: 1.5rem 0;
    }

    .detail-value {
        font-size: 1.2rem;
    }

    .detail-label {
        font-size: 0.75rem;
    }

    .consumption-info h5 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .consumption-info p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .calc-cta {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        margin-top: 1.5rem;
    }

    .savings-badge {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
        margin: 1rem 0;
    }
}

@media (max-width: 375px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .calculator-header h2 {
        font-size: 1.8rem;
    }

    .frequency-options {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .freq-btn {
        padding: 1.2rem 1rem;
    }

    .freq-number {
        font-size: 1.8rem;
    }

    .freq-label {
        font-size: 0.85rem;
    }

    .plan-price {
        font-size: 2.5rem;
    }

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

    .plan-details-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .detail-item {
        padding: 0.75rem;
        background: var(--bg-secondary);
        border-radius: 10px;
    }
}