/* =========================================================================
   Leadflow | Main Stylesheet
   Design System: Space Grotesk (Headings), Kanit (Body), Lime/Black Theme
   ========================================================================= */

/* --- Variables --- */
:root {
    --color-bg-white: #FFFFFF;
    --color-bg-offwhite: #F4F4F4;
    --color-bg-dark: #030303;
    --color-bg-dark-elem: #111111;
    --color-accent-lime: #BCFF00;
    --color-accent-lime-hover: #D0FF33;
    
    --color-text-dark: #030303;
    --color-text-light: #FFFFFF;
    --color-text-muted: #888888;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Kanit', sans-serif;
    
    --radius-pill: 100px;
    --radius-card: 24px;
    
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-bg-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    text-transform: uppercase;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- Utility Classes --- */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.text-lime { color: var(--color-accent-lime); }
.text-white { color: var(--color-text-light); }
.text-black { color: var(--color-text-dark); }

.dark-section {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.white-section {
    background-color: var(--color-bg-white);
    color: var(--color-text-dark);
    padding: 120px 0;
}

.section-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 6px 16px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: var(--radius-pill);
    margin-bottom: 24px;
}
.dark-section .section-badge { border-color: rgba(255,255,255,0.2); }
.section-badge.lime { background-color: var(--color-accent-lime); color: var(--color-text-dark); border: none; }

.h2-title {
    font-size: 4rem;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

/* --- Buttons --- */
.pill-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 15px;
    transition: var(--transition-fast);
    cursor: pointer;
    overflow: hidden;
    position: relative;
}

.btn-primary {
    background-color: var(--color-accent-lime);
    color: var(--color-bg-dark);
    border: none;
}

.btn-primary:hover {
    background-color: var(--color-bg-white);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-light);
    border: 1px solid var(--color-text-light);
}

.btn-outline:hover {
    background-color: var(--color-text-light);
    color: var(--color-bg-dark);
}

.pill-btn .btn-icon {
    margin-left: 10px;
    transition: transform var(--transition-fast);
}
.pill-btn:hover .btn-icon {
    transform: translateX(5px);
}

.pill-btn.large {
    padding: 20px 40px;
    font-size: 16px;
}

/* --- Header Navigation --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition-fast);
}

.site-header.scrolled {
    background-color: rgba(3, 3, 3, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
}

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

.logo a {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-light);
    letter-spacing: 2px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 40px;
}

.main-nav a {
    color: var(--color-text-light);
    font-weight: 400;
    font-size: 16px;
    transition: var(--transition-fast);
}

.main-nav a:hover {
    color: var(--color-accent-lime);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(188, 255, 0, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
}

.hero-title {
    font-size: 6.5rem;
    letter-spacing: -0.03em;
    margin-bottom: 30px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: 50px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

/* --- Marquee --- */
.marquee-section {
    background-color: var(--color-accent-lime);
    color: var(--color-bg-dark);
    padding: 30px 0;
    overflow: hidden;
    position: relative;
}

.marquee-track {
    display: flex;
    white-space: nowrap;
}

.marquee-content {
    animation: marquee 20s linear infinite;
    display: flex;
    gap: 40px;
}

.marquee-content span {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 600;
    text-transform: uppercase;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); } /* Assuming duplicated content runs exactly half width */
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 90%;
}

.about-image {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
}

.about-image img {
    border-radius: var(--radius-card);
    transition: transform var(--transition-smooth);
}

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

.lime-shape {
    position: absolute;
    width: 150px;
    height: 150px;
    background-color: var(--color-accent-lime);
    bottom: -30px;
    left: -30px;
    border-radius: 50%;
    z-index: -1;
}

/* --- Services Section --- */
.services-section {
    padding: 120px 0;
}

.services-list {
    margin-top: 60px;
}

.service-item {
    display: flex;
    padding: 50px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition-fast);
}

.service-item:hover {
    background-color: var(--color-bg-dark-elem);
    padding-left: 20px;
    padding-right: 20px;
    border-radius: var(--radius-card);
}

.service-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-lime);
    width: 100px;
}

.service-info h3 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.service-info p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 600px;
}

/* --- Stats Section --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-box {
    padding: 60px 40px;
    border-radius: var(--radius-card);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.box-black { background-color: var(--color-bg-dark); }
.box-lime { background-color: var(--color-accent-lime); color: var(--color-bg-dark); }
.box-gray { background-color: var(--color-bg-offwhite); border: 1px solid #EAEAEA; }

.stat-number {
    font-size: 5rem;
    margin-bottom: 10px;
}
.stat-box p {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.2rem;
    text-transform: uppercase;
}

/* --- Footer CTA --- */
.site-footer {
    padding: 120px 0 40px 0;
}

.footer-title {
    font-size: 6rem;
    line-height: 1;
    margin-bottom: 60px;
}

.footer-cta-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 80px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 40px;
}

.footer-email {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-decoration: underline;
    text-decoration-color: var(--color-accent-lime);
    text-underline-offset: 8px;
    transition: var(--transition-fast);
}

.footer-email:hover {
    color: var(--color-accent-lime);
}

.circle-btn {
    width: 180px;
    height: 180px;
    background-color: var(--color-accent-lime);
    color: var(--color-bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    transition: transform var(--transition-smooth);
}

.circle-btn:hover {
    transform: scale(1.1);
    background-color: var(--color-bg-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--color-text-muted);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-light);
}

.footer-links a {
    margin: 0 15px;
}
.footer-links a:hover {
    color: var(--color-text-light);
}

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
    .h2-title { font-size: 3rem; }
    .hero-title { font-size: 4.5rem; }
    .footer-title { font-size: 4.5rem; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 3rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .marquee-content span { font-size: 2.5rem; }
    .stats-grid { grid-template-columns: 1fr; }
    .service-info h3 { font-size: 2rem; }
    .footer-cta-wrapper { flex-direction: column; align-items: flex-start; gap: 40px; }
    .main-nav { display: none; } /* Simplified for mobile */
}