:root {
    --primary: #00F5D4;
    --primary-dark: #00D1B5;
    --bg: #0F172A;
    --bg-light: #1E293B;
    --text: #F8FAFC;
    --text-muted: #94A3B8;
    --white: #FFFFFF;
}

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

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

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Nav */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text);
    margin-left: 2rem;
    font-weight: 500;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    color: var(--bg);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    border: 2px solid var(--bg-light);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background-color: var(--bg-light);
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    margin-top: 1rem;
}

/* Hero */
.hero {
    padding: 6rem 0;
}

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

.badge {
    display: inline-block;
    background: rgba(0, 245, 212, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.highlight {
    color: var(--primary);
}

p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.hero-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-image img {
    width: 100%;
    display: block;
    filter: grayscale(10%) contrast(110%);
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 245, 212, 0.15), transparent);
    pointer-events: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-image {
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* Calculator Section */
.calculator-section {
    padding: 8rem 0;
    background: #020617;
}

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

.calc-inputs h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.input-group {
    margin-top: 2.5rem;
}

.input-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.range-value {
    margin-top: 0.5rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
    text-align: right;
}

/* Range Slider Styling */
input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]:focus {
    outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    cursor: pointer;
    background: var(--bg-light);
    border-radius: 4px;
}

input[type=range]::-webkit-slider-thumb {
    height: 24px;
    width: 24px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -8px;
    box-shadow: 0 0 15px rgba(0, 245, 212, 0.4);
}

.calc-results {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.result-card {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-card:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.result-value {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
}

.highlight-card .result-value {
    color: var(--primary);
    font-size: 4rem;
}

.result-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--bg);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.calc-note {
    font-size: 0.8rem;
    margin-top: 2rem;
    color: var(--text-muted);
}
.stats-bar {
    background: var(--bg-light);
    padding: 3rem 0;
    margin-bottom: 6rem;
}

.stats-bar .container {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    font-family: 'Outfit', sans-serif;
}

.stat-label {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
}

/* Features */
.features {
    padding: 6rem 0;
}

.features h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
}

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

.feature-card {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Vision Section */
.vision-section {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--bg), var(--bg-light));
}

.vision-box {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 3rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 4rem;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    align-items: start;
}

.founder-photo {
    width: 120px;
    height: 120px;
    background: var(--bg-light);
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid var(--primary);
}

.founder-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vision-content h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

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

.founder-sig {
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
}

.founder-sig strong {
    font-size: 1.2rem;
    color: var(--primary);
}

.founder-sig span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Order Section */
.cta-section {
    padding: 8rem 0;
}

.order-box {
    background: var(--bg-light);
    max-width: 600px;
    margin: 0 auto;
    padding: 4rem;
    border-radius: 30px;
    text-align: center;
    border: 1px solid var(--primary);
    box-shadow: 0 0 40px rgba(0, 245, 212, 0.1);
}

.order-box h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.price-tag {
    margin: 2rem 0;
    display: flex;
    justify-content: center;
    align-items: baseline;
}

.currency {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}

.amount {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
}

.suffix {
    color: var(--text-muted);
    margin-left: 10px;
    font-weight: 600;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

input {
    padding: 1.2rem;
    border-radius: 8px;
    border: 1px solid #334155;
    background: #0F172A;
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 245, 212, 0.1);
}

.form-note {
    font-size: 0.9rem;
    margin-top: 1.5rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-btns {
        justify-content: center;
    }
    h1 {
        font-size: 3rem;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
}