/* ==========================================================================
   CSS Variables & Theme Setup
   ========================================================================== */
:root {
    --bg-primary: #F7F5EF;
    --bg-secondary: #EFEAE1;
    --card-bg: #FFFFFF;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --accent: #F4B53F;
    --accent-hover: #D99B22;
    --border: #E4DED4;
    
    --font-heading: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Typography & Layout Utilities
   ========================================================================== */
h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    text-transform: uppercase;
    line-height: 1.1;
    color: var(--text-primary);
}

.headline {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.subheadline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 40px;
    font-weight: 400;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 48px;
    border-bottom: 2px solid var(--text-primary);
    padding-bottom: 16px;
    display: inline-block;
}

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

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

.section-padding {
    padding: 140px 0;
}

.bg-secondary {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 20px 40px;
    font-family: var(--font-heading);
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--text-primary); /* Dark text for contrast against yellow */
    border: 2px solid var(--accent);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-outline {
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
    background: transparent;
}

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

/* ==========================================================================
   Header
   ========================================================================== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 24px 0;
    background: rgba(247, 245, 239, 0.95);
    backdrop-filter: blur(8px);
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: padding 0.3s ease, border-color 0.3s ease;
}

header.scrolled {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    font-family: var(--font-heading);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding-top: 200px;
    padding-bottom: 80px;
}

.hero-actions {
    display: flex;
    gap: 24px;
    margin-bottom: 80px;
}

.hero-visual {
    position: relative;
    width: 100%;
}

.hero-img {
    width: 100%;
    height: 60vh;
    min-height: 500px;
    object-fit: cover;
    display: block;
}

.floating-stat {
    position: absolute;
    background: var(--card-bg);
    padding: 32px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 40px rgba(31, 41, 55, 0.05);
}

.stat-left { bottom: -40px; left: 40px; }
.stat-right { top: -40px; right: 40px; }

.floating-stat .counter, .floating-stat .plus {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.floating-stat .plus { color: var(--accent); }

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-top: 8px;
}

/* ==========================================================================
   Trust Strip
   ========================================================================== */
.trust-strip {
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 32px 0;
    margin-top: 80px;
}

.trust-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    flex-wrap: wrap;
    gap: 20px;
}

.dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
}

/* ==========================================================================
   Industries Served
   ========================================================================== */
.section-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 48px;
    max-width: 600px;
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.tag {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 16px 32px;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.tag:hover {
    transform: translateY(-4px);
    border-color: var(--text-primary);
}

/* ==========================================================================
   Grids (Services, Why Us)
   ========================================================================== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-item {
    border-top: 2px solid var(--border);
    padding-top: 24px;
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.service-item p { color: var(--text-secondary); }

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.card {
    background: var(--card-bg);
    padding: 48px;
    border: 1px solid var(--border);
    transition: transform 0.4s ease;
}

.card:hover { transform: translateY(-8px); }

.card h4 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.card p { color: var(--text-secondary); }

/* ==========================================================================
   Project Showcase
   ========================================================================== */
.project-list {
    display: flex;
    flex-direction: column;
    gap: 120px;
}

.project-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.project-image {
    overflow: hidden;
    background: var(--bg-secondary);
}

.project-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s ease;
}

.project-row:hover .project-image img {
    transform: scale(1.03);
}

.project-data {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.data-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.data-group.scope { border-bottom: none; }

.label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.value {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ==========================================================================
   Process
   ========================================================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.process-step {
    border-left: 2px solid var(--border);
    padding-left: 24px;
}

.step-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-secondary);
    opacity: 0.3;
    margin-bottom: 16px;
    line-height: 1;
}

.process-step h4 { font-size: 1.25rem; }

/* ==========================================================================
   Statistics
   ========================================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 16px;
}

.stat-desc {
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

/* ==========================================================================
   Testimonials & FAQ
   ========================================================================== */
.testimonial-content { max-width: 900px; }
.quote {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 32px;
}

.accordion {
    max-width: 900px;
    border-top: 2px solid var(--text-primary);
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item summary {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    padding: 32px 0;
    cursor: pointer;
    list-style: none;
    text-transform: uppercase;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-content { padding-bottom: 32px; color: var(--text-secondary); }

/* ==========================================================================
   Footer & Final CTA
   ========================================================================== */
.final-cta { text-align: center; }
.cta-headline { margin-bottom: 48px; border-bottom: none; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding: 80px 32px;
}

.footer-brand p { color: var(--text-secondary); margin-top: 16px; max-width: 300px; }
.footer-col h4 { margin-bottom: 24px; font-size: 1rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a, .footer-col li { color: var(--text-secondary); text-decoration: none; transition: color 0.3s; }
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 32px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ==========================================================================
   Animations & Responsive
   ========================================================================== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.2, 1, 0.3, 1), transform 1s cubic-bezier(0.2, 1, 0.3, 1);
}

.fade-up.show { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }

@media (max-width: 1024px) {
    .project-row { grid-template-columns: 1fr; gap: 40px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; } /* Add hamburger menu in production */
    .hero-actions { flex-direction: column; width: 100%; }
    .btn { width: 100%; }
    .trust-grid { flex-direction: column; gap: 16px; text-align: center; }
    .dot { display: none; }
    .floating-stat { position: relative; top: 0; left: 0; right: 0; bottom: 0; width: 100%; text-align: center; border-top: none; }
}