/* CSS Reset and Variables */
:root {
    --bg-main: #0B0F19; /* Deep dark blue/black */
    --bg-secondary: #141A29;
    --bg-tertiary: #1E2738;
    
    --primary: #4F46E5; /* Indigo */
    --primary-hover: #4338CA;
    --secondary: #10B981; /* Emerald green for positive action/whatsapp */
    
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.2);
    
    --font-sans: 'Inter', sans-serif;
    
    --transition: all 0.3s ease;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --max-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: #FFFFFF;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #9CA3AF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
}

.center {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 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-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: var(--radius-md);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border-color: var(--border-light);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-main);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    color: var(--primary);
    font-size: 1.5rem;
}

.psi {
    color: var(--primary);
    margin-left: 2px;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-main);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, rgba(11, 15, 25, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(79, 70, 229, 0.1);
    color: #818cf8;
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.social-proof-mini {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.avatars {
    display: flex;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 2px solid var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    margin-left: -10px;
}

.avatar:first-child {
    margin-left: 0;
}

.social-proof-mini p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.2) 0%, rgba(11, 15, 25, 0) 70%);
    z-index: 0;
}

.hero-image-placeholder {
    position: relative;
    width: 320px;
    height: 400px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    z-index: 1;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
    pointer-events: none;
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-box {
    width: 100%;
    height: 450px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--primary);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.experience-badge .number {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.9;
}

.about-text {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.about-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.about-list i {
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 2px;
}

/* Services */
.services {
    padding: 100px 0;
}

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

.service-card {
    background-color: var(--bg-secondary);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-text {
    color: var(--text-muted);
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

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

.testimonial-card {
    background-color: var(--bg-tertiary);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.stars {
    color: #FBBF24;
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-size: 1.125rem;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(79, 70, 229, 0.1) 0%, rgba(11, 15, 25, 1) 100%);
    z-index: -1;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.cta-button {
    background-color: var(--secondary);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.cta-button:hover {
    background-color: #059669;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* Footer */
.footer {
    background-color: var(--bg-main);
    border-top: 1px solid var(--border);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    color: var(--text-main);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.footer-contact h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact i {
    color: var(--primary);
}

.text-link {
    transition: var(--transition);
}

.text-link:hover {
    color: var(--primary);
}

.mt-1 {
    margin-top: 1rem;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .hero-container { gap: 2rem; }
    .about-container { grid-template-columns: 1fr; }
    .about-image { margin-bottom: 2rem; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-list {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-main);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition);
    }
    
    .nav-list.active { left: 0; }
    
    .nav-link { font-size: 1.25rem; }
    
    .nav-cta { display: none; }
    
    .menu-toggle { display: block; }
    
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    
    .hero-buttons { justify-content: center; flex-direction: column; }
    
    .hero-image-wrapper { display: none; }
    
    .social-proof-mini { justify-content: center; }
    
    .services-grid, .testimonials-grid { grid-template-columns: 1fr; }
    
    .footer-container { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.25rem; }
    .section-title { font-size: 2rem; }
}