:root {
    --bg-color: #000000;
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --section-bg: #111111;
    --card-bg: #1c1c1e;
    --accent-color: #2997ff;
    --accent-dark: #0071e3;
    --border-color: #38383a;
    --input-bg: #1c1c1e;
    --spacing-unit: 1.5rem;
    --border-radius: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 600;
    margin-bottom: 0.5em;
    letter-spacing: -0.02em;
    color: #ffffff;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

/* Utilities */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

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

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-whatsapp,
.btn-primary-small {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    border-radius: 980px;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background-color: #ffffff;
    color: #000000;
}

.btn-primary:hover {
    background-color: #e5e5e5;
}

.btn-secondary {
    background-color: #1c1c1e;
    color: #ffffff;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #2c2c2e;
}

.btn-primary-small {
    background-color: #ffffff;
    color: #000000;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
}

/* Nav */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    /* Adjust size as needed for premium look */
    width: auto;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:hover {
    color: #ffffff;
}

/* Hero */
.hero {
    padding: 8rem 0 6rem;
    text-align: center;
}

.subheadline {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero-tags {
    font-size: 1rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.button-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Who We Work With */
.who-we-work-with {
    background-color: var(--section-bg);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.fit-column h3 {
    margin-bottom: 1.5rem;
}

.checklist {
    list-style: none;
}

.checklist li {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

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

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

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, background-color 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    background-color: #2c2c2e;
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

/* Audit */
.audit-box {
    background: radial-gradient(circle at top right, #2c2c2e, #1c1c1e);
    color: white;
    padding: 4rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--border-color);
}

.audit-box p {
    color: #d2d2d7;
}

.audit-details {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin: 2rem 0;
    text-align: left;
}

.audit-list {
    list-style-type: disc;
    color: #d2d2d7;
}

.audit-box .btn-primary {
    background-color: #ffffff;
    color: #000000;
}

/* Improvements */
.placeholder-box {
    height: 250px;
    background: #1c1c1e;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    color: #666;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Testimonials */
.testimonials {
    background-color: var(--section-bg);
}

.testimonial {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.testimonial p {
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.testimonial cite {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Why Choose */
.why-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
}

.why-list li {
    background: var(--card-bg);
    margin-bottom: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Pricing Logic */
.pricing-logic .logic-box {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: 3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-bg);
}

/* Contact */
.contact {
    text-align: center;
}

.contact-methods {
    margin-bottom: 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.contact-form {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input {
    padding: 0.8rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    color: white;
}

.contact-form input::placeholder {
    color: #666;
}

.contact-form input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Footer */
.footer {
    background: var(--bg-color);
    padding: 3rem 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    will-change: transform;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

.floating-whatsapp svg {
    pointer-events: none;
}

/* Animation Classes (Generic) */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .grid-2-col,
    .grid-3-col {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .audit-details {
        flex-direction: column;
        gap: 1rem;
    }

    .button-group {
        flex-direction: column;
    }

    .grid-2-col {
        gap: 2rem;
    }
}