/* Design Variables */
:root {
    --bg-color: #121518;
    --text-primary: #e8e6e3;
    --text-muted: #9ca3af;
    --accent-color: #34d399; /* Warm teal/emerald */
    --accent-glow: rgba(52, 211, 153, 0.25);
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.08);
    --nav-bg: rgba(18, 21, 24, 0.75);
    --font-family: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 32px;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 48px;
    font-size: 1.1rem;
}

/* Buttons */
.cta-btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: var(--font-family);
    color: var(--text-primary);
}

.cta-btn.primary {
    background: var(--accent-color);
    color: #fff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.cta-btn.primary:hover {
    background: #2cc185;
    box-shadow: 0 6px 20px var(--accent-glow);
    transform: translateY(-2px);
}

.cta-btn.secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.cta-btn.secondary:hover {
    background: var(--card-bg);
    border-color: var(--text-muted);
}

.cta-btn.small {
    padding: 8px 16px;
    font-size: 0.9rem;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    background: transparent;
}
.cta-btn.small:hover {
    background: var(--accent-glow);
    color: var(--accent-color);
}

.full-width {
    width: 100%;
    text-align: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: var(--nav-bg);
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 16px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 120px 24px 60px;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
    animation: fadeIn 1s ease-out;
}

.hero h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-inline: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
    opacity: 0.5;
}

/* Sections General */
section {
    padding: 100px 0;
    position: relative;
}

/* How it works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.step-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.step-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--card-border);
    position: absolute;
    top: -10px;
    right: 20px;
    line-height: 1;
    z-index: 0;
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.step-card p {
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.portfolio-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    border-color: rgba(255,255,255,0.12);
}

.img-placeholder {
    width: 100%;
    height: 220px;
    background: linear-gradient(45deg, #1a1f25, #222830);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--card-border);
    background-size: cover;
    background-position: center;
}

.portfolio-info {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-info h3 {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.portfolio-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.demo-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}

.demo-link span {
    margin-left: 8px;
    transition: transform 0.2s;
}

.demo-link:hover span {
    transform: translateX(4px);
}

/* Pricing */
.pricing-card {
    background: linear-gradient(145deg, var(--card-bg), rgba(255,255,255,0.01));
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 48px;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    border-radius: 25px;
    background: linear-gradient(135deg, var(--accent-glow), transparent 40%);
    z-index: -1;
}

.pricing-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--card-border);
}

.pricing-header h3 {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 500;
}

.price {
    font-size: 4rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.currency {
    font-size: 1.5rem;
    margin-right: 4px;
    margin-top: 8px;
    color: var(--text-muted);
}

.period {
    font-size: 1rem;
    color: var(--text-muted);
    align-self: flex-end;
    margin-bottom: 10px;
    margin-left: 8px;
    font-weight: 400;
}

.monthly-price {
    margin-top: 16px;
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin-bottom: 40px;
}

.pricing-features li {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    color: var(--text-primary);
}

/* About */
.about-container {
    max-width: 800px;
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 64px 40px;
    border-radius: 24px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* Contact */
.contact-container {
    max-width: 600px;
}

.contact h2 {
    margin-bottom: 16px;
}

.contact p {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.contact-form {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 32px;
}

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.input-group input,
.input-group textarea {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 12px 16px;
    color: #fff;
    font-family: var(--font-family);
    transition: border-color 0.2s;
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-btn {
    width: 100%;
    font-size: 1.1rem;
}

.direct-email {
    text-align: center;
    margin-top: 32px;
    color: var(--text-muted);
}

.direct-email a {
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 1.2rem;
    display: inline-block;
    margin-top: 8px;
    transition: color 0.2s;
}

.direct-email a:hover {
    color: var(--accent-color);
}

/* Footer */
footer {
    border-top: 1px solid var(--card-border);
    padding: 32px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 16px 24px;
    }
    .nav-links {
        display: none; /* simple mobile header without hamburger for now */
    }
    .hero-buttons {
        flex-direction: column;
    }
    h2 {
        font-size: 2rem;
    }
    .pricing-card {
        padding: 32px 24px;
    }
}