*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  
  body {
    min-height: 100vh;
    line-height: 1.5;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  }
  
  img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
  }
  
  input, button, textarea, select {
    font: inherit;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    text-wrap: balance;
  }
  
  p {
    text-wrap: pretty;
  }

header {
  border-bottom: 1px solid #e0e0e0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: white;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-self: center;
    margin: 0 auto;
}



.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    justify-content: center;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}


.logo {
    font-weight: 700;
    font-size: 1.25rem;
}

/* Hamburger Menu Button */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: #333;
    position: relative;
    transition: background 0.2s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: #333;
    left: 0;
    transition: transform 0.3s, top 0.3s;
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

/* Hamburger animation when open */
.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        background: #fff;
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 0;
        margin: 0;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 100;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links li {
        border-bottom: 1px solid #eee;
    }
    
    .nav-links a {
        display: block;
        padding: 1rem 0;
        font-size: 1.1rem;
    }
    
    nav {
        padding: 1rem 1.5rem;
    }
}

/* Overlay when menu is open */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 99;
}

.nav-overlay.active {
    display: block;
}


/* HERO SECTION */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 2rem 2rem;
    gap: 1rem;
}

.hero-icon {
    width: 80px;
    height: auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
}

.hero-headline {
    font-size: clamp(1.5rem, 3vw + 0.5rem, 3rem);
}

.hero-headline strong {
    font-weight: 700;
}

.hero-subtext {
    font-size: clamp(0.95rem, 1.5vw + 0.5rem, 1.5rem);
}

.hero-extratext {
    font-size: clamp(0.95rem, 1.5vw + 0.5rem, 1.25rem);
    margin: 0 auto 3rem;
}

/* FEATURES SECTION */
.features {
    padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 5vw, 4rem);
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.features-headline {
    font-size: clamp(1.5rem, 3vw + 0.5rem, 2rem);
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.features-headline strong {
    font-weight: 700;
}

.features-subtext {
    color: #666;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    text-align: left;
}

.feature-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 2rem;
    transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: #f5f5f5;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #333;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* WHY CHOOSE SECTION */
.why-choose {
    padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 5vw, 4rem);
    max-width: 1200px;
    margin: 0 auto;
}

.why-choose-card {
    background: #f8f8f8;
    border-radius: 20px;
    padding: clamp(2rem, 5vw, 4rem);
    text-align: center;
}

.why-choose-card h2 {
    font-size: clamp(1.5rem, 3vw + 0.5rem, 2rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.why-choose-card > p {
    color: #555;
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.why-choose-list {
    display: flex;
    justify-content: center;
    gap: clamp(1.5rem, 4vw, 3rem);
    list-style: none;
    flex-wrap: wrap;
}

.why-choose-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: #333;
}

.why-choose-list li::before {
    content: "";
    width: 10px;
    height: 10px;
    background: #4ade80;
    border-radius: 50%;
}

/* HOW IT WORKS SECTION */
.how-it-works {
    padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 5vw, 4rem);
    max-width: 1200px;
    margin: 0 auto;
}

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

.how-header h2 {
    font-size: clamp(1.75rem, 4vw + 0.5rem, 2.5rem);
    font-weight: 300;
    margin-bottom: 1rem;
}

.how-header h2 strong {
    font-weight: 700;
}

.how-header > p {
    color: #666;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

.how-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* Steps List (left side) */
.steps-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.step-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid #eee;
    border-radius: 12px;
    background: #fff;
    transition: all 0.2s;
    cursor: pointer;
}

.step-card:hover {
    border-color: #ddd;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.step-card--active {
    border-color: #222;
}

.step-icon {
    width: 44px;
    height: 44px;
    background: #f5f5f5;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #333;
}

.step-icon--dark {
    background: #1a1a1a;
    color: #fff;
}

.step-text {
    flex: 1;
}

.step-number {
    font-size: 0.75rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.step-dot {
    color: #1a1a1a;
    font-size: 0.5rem;
    vertical-align: middle;
}

.step-text h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0.15rem 0;
}

.step-text p {
    font-size: 0.85rem;
    color: #888;
    margin: 0;
}

.step-arrow {
    font-size: 1.25rem;
    color: #333;
}

/* Step Detail (right side) */
.step-detail {
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 2rem;
    background: #fff;
}

.step-detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step-detail-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.step-detail-header p {
    font-size: 0.9rem;
    color: #888;
    margin: 0.25rem 0 0;
}

.step-detail-desc {
    color: #444;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.step-example {
    background: #f5f5f5;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-bottom: 2rem;
}

.step-example span {
    font-size: 0.8rem;
    color: #888;
    display: block;
    margin-bottom: 0.5rem;
}

.step-example p {
    margin: 0;
    font-size: 0.95rem;
    color: #333;
}

.step-progress {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.step-progress span {
    height: 4px;
    flex: 1;
    background: #e5e5e5;
    border-radius: 2px;
}

.step-progress span.active {
    background: #1a1a1a;
}

.step-cta {
    display: inline-block;
    background: #1a1a1a;
    color: #fff;
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.2s;
}

.step-cta:hover {
    background: #333;
}

/* Responsive */
@media (max-width: 768px) {
    .how-content {
        grid-template-columns: 1fr;
    }
}

.scroll-indicator {
    font-size: 1.5rem;
    color: #999;
    transform: rotate(180deg);
    display: inline-block;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.cta-button {
    padding: 0.75rem 1.5rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.cta-button:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

/* CONTACT SECTION */
.contact {
    padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 5vw, 4rem);
}

.contact-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
}

.contact-info h2 {
    font-size: clamp(1.75rem, 4vw + 0.5rem, 2.5rem);
    font-weight: 300;
    margin-bottom: 1rem;
}

.contact-info h2 strong {
    font-weight: 700;
}

.contact-info > p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #444;
}

.contact-details svg {
    color: #4ade80;
    flex-shrink: 0;
}

.contact-form {
    background: #fff;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fafafa;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4ade80;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.1);
    background: #fff;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: #1a1a1a;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.submit-btn:hover {
    background: #333;
}

/* FOOTER */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: clamp(3rem, 6vw, 4rem) clamp(1rem, 5vw, 4rem) 0;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: clamp(2rem, 5vw, 4rem);
    padding-bottom: clamp(2rem, 4vw, 3rem);
    border-bottom: 1px solid #333;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

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

.footer-logo span {
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-brand > p {
    color: #999;
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 280px;
}

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

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    color: #fff;
}

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

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: #999;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: #fff;
}

.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #666;
    font-size: 0.85rem;
}

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

.footer-social a {
    color: #666;
    transition: color 0.2s;
}

.footer-social a:hover {
    color: #4ade80;
}

/* Responsive */
@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}