/*
=====================================================
    Theme: Momentum
    Version: 1.0
=====================================================
*/
:root {
    --primary-dark: #0A0D14;
    --surface-color: #161B22;
    --border-color: #2A2F3A;
    --accent-cyan: #00FFFF;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B8C4;
    --gradient: linear-gradient(90deg, #00FFFF 0%, #22C55E 100%);
    --font-heading: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: 0.3s ease;
    --container-width: 1100px;
    --section-padding: 120px 0;
    --shadow: 0px 10px 30px rgba(0, 255, 255, 0.1);
}

/* 2. Base & Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-dark);
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.05rem;
}

body.nav-open {
    overflow: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 800;
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 6vw, 4.5rem);
}

h2 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

p {
    max-width: 65ch;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-cyan);
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-padding {
    padding: var(--section-padding);
}

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

.text-center p,
.text-center h2 {
    margin-left: auto;
    margin-right: auto;
}

.subtitle {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    display: block;
}

.lead {
    font-size: 1.25rem;
    max-width: 60ch;
}

/* 3. Header & Navigation */
#main-header {
    position: sticky;
    top: 0;
    z-index: 999;
    padding: 20px 0;
    background-color: rgba(10, 13, 20, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo-link img {
    max-height: 70px;
    filter: brightness(0) invert(1);
}

#desktop-nav {
    display: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 35px;
    font-weight: 500;
    font-size: 1rem;
}

.nav-cta {
    padding: 0.7rem 1.5rem;
    border-radius: 5px;
    color: var(--primary-dark);
    background-color: var(--accent-cyan);
    font-weight: 700;
    transition: all var(--transition);
}

.nav-cta:hover,
.nav-cta.active {
    background-color: var(--text-primary);
    transform: translateY(-2px);
}

/* Mobile Nav */
#hamburger-btn {
    background: none;
    border: none;
    z-index: 1002;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
}

#hamburger-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition);
    position: absolute;
}

#hamburger-btn span:first-child {
    top: 0;
}

#hamburger-btn span:last-child {
    bottom: 0;
}

body.nav-open #hamburger-btn {
    position: fixed;
    right: 5%;
}

body.nav-open #hamburger-btn span:first-of-type {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

body.nav-open #hamburger-btn span:last-of-type {
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
}

#mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-dark);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

body.nav-open #mobile-nav {
    opacity: 1;
    visibility: visible;
}

#mobile-nav .mobile-nav-links li {
    margin: 1.5rem 0;
}

#mobile-nav .mobile-nav-link {
    font-size: clamp(2rem, 8vw, 2.8rem);
    font-weight: 700;
}

/* 4. Hero & CTA Button */
#hero {
    padding: var(--section-padding);
    border-bottom: 1px solid var(--border-color);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 5px;
    color: var(--primary-dark);
    background-color: var(--accent-cyan);
    transition: all var(--transition);
    font-weight: 700;
    font-size: 1.1rem;
}

.cta-button:hover {
    background-color: var(--text-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.cta-button-outline {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 5px;
    color: var(--text-primary);
    background-color: transparent;
    border: 1px solid var(--border-color);
    transition: all var(--transition);
    font-weight: 700;
}

.cta-button-outline:hover {
    background-color: var(--surface-color);
    border-color: var(--surface-color);
}

/* 5. Services */
index.html#services {
    background-color: var(--surface-color);
}

.service-pillar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 3rem 0 1.5rem;
}

.service-pillar h3 {
    margin: 0;
    font-size: 1.2rem;
}

.divider {
    flex-grow: 1;
    height: 1px;
    background-image: var(--gradient);
}

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

.service-card {
    background: var(--primary-dark);
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.card-icon {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 6. Why Us */
.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.why-us-content ul {
    padding-left: 0;
}

.why-us-content li {
    margin-bottom: 1rem;
    padding-left: 1.8rem;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="%2300FFFF"><path d="M0 0h24v24H0z" fill="none"/><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat left center;
    background-size: 20px;
}

.why-us-visual {
    min-height: 400px;
    background-color: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* 7. Case Study & Results */
index.html#case-study {
    background-color: var(--surface-color);
}

.case-study-card {
    background-color: var(--primary-dark);
    padding: 3rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.case-study-summary {
    margin-bottom: 3rem;
}

.case-study-summary h3 {
    color: var(--accent-cyan);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.result-metric {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--accent-cyan);
    display: block;
    line-height: 1.1;
}

.result-label {
    color: var(--text-secondary);
}

/* 8. Pricing & FAQ */
index.html#pricing {
    background-color: var(--surface-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.pricing-card {
    background: var(--primary-dark);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

#faq {
    background-color: var(--primary-dark);
}

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

.faq-item {
    background-color: var(--surface-color);
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.faq-question {
    display: block;
    width: 100%;
    padding: 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    border: none;
    background: none;
    position: relative;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

details[open] .faq-question::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
}

/* 9. Final CTA & Page Header */
#final-cta {
    background: var(--gradient);
    padding: var(--section-padding);
}

#final-cta h2,
#final-cta .lead {
    color: var(--primary-dark);
}

#final-cta .cta-button {
    background: var(--primary-dark);
    color: var(--text-primary);
}

#final-cta .cta-button:hover {
    background: black;
}

.page-header {
    padding: 6rem 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface-color);
    padding: 3rem;
    border-radius: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--primary-dark);
    color: var(--text-primary);
    font-size: 1rem;
    border-radius: 4px;
}

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

.legal-content .container {
    max-width: 800px;
}

.legal-content h2 {
    margin: 2rem 0 1rem;
}

/* 10. Footer */
#main-footer {
    padding: 60px 0;
    background-color: var(--surface-color);
    color: #4A5568;
}

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

.footer-col {
    font-size: 0.95rem;
}


.footer-col h4 {
    font-size: 1rem;
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
    color: white;
}

.footer-col a {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: #A0AEC0;
    font-size: 0.9rem;
}

/* 11. Responsive */
@media (min-width: 992px) {
    #desktop-nav {
        display: block;
    }

    #hamburger-btn {
        display: none;
    }
}

@media (max-width: 991px) {
    #desktop-nav {
        display: none;
    }

    #hamburger-btn {
        display: block;
    }
}

@media (max-width: 768px) {

    .services-grid,
    .why-us-grid,
    .results-grid,
    .pricing-grid,
    .form-row,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .why-us-visual {
        display: none;
    }

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

    .footer-col {
        margin-bottom: 2rem;
    }
}