/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */

:root {
    /* Colors */
    --color-primary: #F26522; /* Orange/coral */
    --color-primary-light: #fbe6de;
    --color-primary-dark: #cc541b;
    
    --color-bg: #FFFFFF;
    --color-bg-light: #F9FAFB;
    --color-surface: #FFFFFF;
    
    --color-text-main: #111827; /* Near black headings */
    --color-text-body: #4B5563; /* Grey body text */
    --color-text-light: #9CA3AF;
    
    /* Typography */
    --font-heading: 'Inter', -apple-system, sans-serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-main);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

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

a:hover {
    color: var(--color-primary-dark);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

ul {
    list-style: none;
}

/* ==========================================================================
   Layout & Utilities
   ========================================================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.bg-light { background-color: var(--color-bg-light); }
.text-center { text-align: center; }
.mt-large { margin-top: var(--spacing-lg); }
.mb-large { margin-bottom: var(--spacing-lg); }

.grid {
    display: grid;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.lucide {
    width: 24px;
    height: 24px;
}

/* ==========================================================================
   Components
   ========================================================================== */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-text-main);
}

.logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text-body);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-main);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: calc(80px + var(--spacing-xl));
    padding-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.chip {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-body);
}



/* Decorative background shapes for hero */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
    opacity: 0.3;
}
.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    top: -200px;
    right: -100px;
}
.shape-2 {
    width: 400px;
    height: 400px;
    background: #ffb18b;
    bottom: -100px;
    left: -200px;
}

/* Section Header */
.section-header {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--color-text-body);
}

/* Cards */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

/* Challenge Section */
.challenge-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.challenge-card {
    border-top: 4px solid transparent;
}

.challenge-card:hover { border-top-color: var(--color-primary); }

/* Approach Section */
.pillar-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.pillar-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.05);
}

.pillar-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pillar-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.5;
}

.pillar-desc {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.check-list .lucide-check-circle-2 {
    color: var(--color-primary);
    flex-shrink: 0;
}

.callout-box {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
}

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

.primary-bg p {
    color: rgba(255,255,255,0.9);
    font-size: 1.25rem;
    font-weight: 500;
    margin: 0;
}

/* Footer */
.footer {
    background-color: var(--color-text-main);
    color: rgba(255,255,255,0.7);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer .logo-text { color: white; }
.footer h4 { color: white; margin-bottom: 1rem; }
.footer a { color: rgba(255,255,255,0.7); }
.footer a:hover { color: var(--color-primary); }

.footer-links ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-contact p { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.footer-tagline { margin-top: 1rem; font-style: italic; }

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    height: 100%;
    width: 2px;
    background: var(--color-primary-light);
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.timeline-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 0 0 0 4px var(--color-bg-light);
    z-index: 2;
}

.timeline-content {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
    flex-grow: 1;
}

/* Service Grid */
.service-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.service-card {
    transition: var(--transition);
}

.service-card:hover {
    background-color: var(--color-primary);
    color: white;
}

.service-card:hover h3, 
.service-card:hover p, 
.service-card:hover .card-icon {
    color: white;
}

.service-card:hover .card-icon {
    background-color: rgba(255,255,255,0.2);
}

/* Why Us */
.text-primary { color: var(--color-primary); }
.why-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.why-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 1rem;
}

/* Proof of Impact */
.proof-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.proof-stats {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0,0,0,0.05);
}

.stat-box {
    margin-bottom: var(--spacing-md);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-text-main);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.impact-list li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.client-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.client-tag {
    padding: 0.5rem 1rem;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-body);
    border: 1px solid rgba(0,0,0,0.05);
}

/* Engagement Models */
.model-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.model-card {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.model-number {
    width: 60px;
    height: 60px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto var(--spacing-md);
    transition: var(--transition);
}

.model-card:hover .model-number {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

/* How We Work */
.process-steps {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: space-between;
}

.process-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 32px;
    right: -2rem;
    width: calc(100% - 64px);
    height: 2px;
    background: var(--color-bg-light);
    border-top: 2px dashed rgba(242, 101, 34, 0.3);
    z-index: 1;
}

.step-icon {
    width: 64px;
    height: 64px;
    background: var(--color-surface);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    z-index: 2;
}

/* Contact Section & Forms */
.container-sm {
    max-width: 800px;
}

.contact-section {
    background: linear-gradient(135deg, var(--color-primary-light), #fff3ee);
}

.contact-wrapper {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.form-toggle {
    display: flex;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    padding: 0.25rem;
    margin-bottom: var(--spacing-lg);
}

.toggle-btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: transparent;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text-body);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.toggle-btn.active {
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.contact-form.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text-main);
}

.form-group input, 
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-surface);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.1);
}

.w-100 {
    width: 100%;
}

/* Job Board Styles */
.job-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.job-card {
    display: flex;
    flex-direction: column;
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.job-header h3 {
    margin-bottom: 0;
    font-size: 1.25rem;
}

.tag {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.job-meta {
    display: flex;
    gap: 1rem;
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.job-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.job-meta .lucide {
    width: 14px;
    height: 14px;
}

.job-desc {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.job-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-md);
    color: var(--color-text-light);
}

/* Form Alerts */
.form-alert {
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.alert-success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Responsive */
@media (max-width: 992px) {
    .pillar-container { grid-template-columns: 1fr; }
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-content { display: flex; flex-direction: column; align-items: center; }
    .footer-container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        clip-path: circle(0% at 100% 0);
        transition: all 0.4s ease-in-out;
    }
    
    .main-nav.active {
        clip-path: circle(150% at 100% 0);
    }
    
    .nav-links {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }
    
    .mobile-menu-btn { display: block; }
}