/* ==========================================================================
   Premium CSS Variables
   ========================================================================== */

:root {
    /* Enhanced Color Palette */
    --primary-color: #89CFF0;       /* Baby blue */
    --primary-dark: #6CB4EE;        /* Slightly darker baby blue */
    --primary-glow: rgba(137, 207, 240, 0.4); 
    
    --text-main: #0F172A;           /* Deep black/slate for high contrast */
    --text-muted: #64748B;          /* Sleek grey for paragraphs */
    
    --bg-main: #FFFFFF;
    --bg-light: #F8FAFC;            /* Ultra-light grey for sections */
    --border-soft: #E2E8F0;         
    
    --gradient-accent: linear-gradient(135deg, #89CFF0 0%, #6CB4EE 100%);

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Premium Layout & Shadows */
    --max-width: 1100px;
    --radius-pill: 50px;
    --radius-card: 20px;
    --transition-fast: all 0.2s ease;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    --shadow-soft: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px -5px rgba(0, 0, 0, 0.08);
}

/* Global Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* ==========================================================================
   Navigation Bar (Glassmorphism)
   ========================================================================== */

.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.05em;
}

.logo span {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

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

/* Mobile Nav Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    padding: 8rem 0 6rem;
    text-align: center;
    overflow: hidden;
}

/* Glowing background orb effect */
.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(137, 207, 240, 0.15) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
    pointer-events: none;
}

.hero-content h1 {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* ==========================================================================
   Premium Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.2rem;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-pill);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-main);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
    background: var(--primary-dark);
}

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

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

.btn-block {
    width: 100%;
}

/* ==========================================================================
   Sections Layout & Content
   ========================================================================== */

.section {
    padding: 6rem 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* About Cards */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.about-card {
    background: var(--bg-main);
    padding: 2.5rem;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(137, 207, 240, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.about-card .icon {
    font-size: 1.8rem;
}

.about-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

/* Features List */
.features-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--bg-main);
    padding: 2rem;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.feature-item:hover {
    transform: translateX(5px);
    border-color: var(--primary-color);
}

.check-mark {
    background: var(--gradient-accent);
    color: #fff;
    font-weight: bold;
    font-size: 1.2rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px var(--primary-glow);
}

.feature-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--text-muted);
}

/* ==========================================================================
   Contact Form Wrapper
   ========================================================================== */

.contact-wrapper {
    background: var(--bg-main);
    padding: 4rem;
    border-radius: 30px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-hover);
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    margin-top: 2.5rem;
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-main);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg-light);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: var(--bg-main);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    display: none;
    font-weight: 500;
    text-align: center;
}

.form-status.success {
    display: block;
    background-color: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: #0F172A; /* Deep slate, almost black */
    color: #94A3B8;
    padding: 4rem 0 3rem;
    border-top: 1px solid #1E293B;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand .logo {
    color: #ffffff;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.btn-email {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-pill);
    color: #fff;
    text-decoration: none;
    transition: var(--transition-fast);
}

.btn-email:hover {
    background: rgba(255,255,255,0.1);
    color: var(--primary-color);
}

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Rules
   ========================================================================== */

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    
    .nav-links {
        position: absolute;
        top: 75px;
        left: 0;
        width: 100%;
        background-color: rgba(255,255,255,0.98);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-soft);
        padding: 2rem;
        clip-path: circle(0% at 100% 0);
        transition: all 0.4s ease-out;
    }

    .nav-links.active {
        clip-path: circle(150% at 100% 0);
    }

    .nav-links ul {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .hero-buttons { flex-direction: column; }
    
    .contact-wrapper { padding: 2rem; }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}