/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
    /* Color System */
    --primary: #0A6E73;
    --primary-light: #0D8B91;
    --primary-dark: #064E52;
    --secondary: #7BA05B;
    --secondary-light: #9BC277;
    --accent: #E8833A;
    --accent-hover: #D67329;
    
    /* Neutrals */
    --charcoal: #2C3E50;
    --charcoal-light: #455A64;
    --gray: #6B7280;
    --gray-light: #9CA3AF;
    --cream: #FAF9F6;
    --white: #FFFFFF;
    
    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 5rem 1.5rem;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(10, 110, 115, 0.08);
    --shadow-md: 0 4px 16px rgba(10, 110, 115, 0.12);
    --shadow-lg: 0 8px 32px rgba(10, 110, 115, 0.16);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* ===================================
   Navigation
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 100px;
    align-items: left;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--charcoal);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--accent);
    color: var(--white);
    padding: 0.65rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-cta::after {
    display: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--charcoal);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hero {
    margin-top: 70px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: var(--white);
    padding: 6rem 1.5rem;
    position: relative;
    overflow: hidden;
    scroll-margin-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-content .tagline {
    font-size: 1.35rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(232, 131, 58, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    text-align: center;
    padding: 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.certifications {
    position: absolute;
    display: flex;
    gap: 1rem;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
}

.cert-badge {
    background: var(--white);
    color: var(--primary);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.6s ease-out backwards;
}

.cert-badge:nth-child(1) { animation-delay: 0.2s; }
.cert-badge:nth-child(2) { animation-delay: 0.3s; }
.cert-badge:nth-child(3) { animation-delay: 0.4s; }

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Section Styles
   =================================== */

.section {
    padding: var(--section-padding);
    max-width: var(--container-width);
    margin: 0 auto;
    scroll-margin-top: 80px;
}

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

.section-label {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--charcoal);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.15rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   Services Section
   =================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-size: 1.8rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--charcoal);
}

.service-card p {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.4rem 0;
    color: var(--charcoal-light);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

/* ===================================
   About Section
   =================================== */

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

.about-image {
    position: relative;
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}


.stat-card {
    margin-left: 25%;
    text-align: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    width: 50%;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.stat-label {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.about-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--charcoal);
    letter-spacing: -0.02em;
}

.about-content p {
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.credential {
    background: var(--cream);
    color: var(--primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    border: 2px solid var(--primary-light);
}

/* ===================================
   Contact Section
   =================================== */

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: var(--white);
    padding: 4rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--charcoal);
}

.contact-info p {
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--cream);
    border-radius: 12px;
    transition: var(--transition);
}

.contact-method:hover {
    background: var(--primary-light);
    color: var(--white);
    transform: translateX(8px);
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.contact-method:hover .contact-method-icon {
    background: var(--white);
    color: var(--primary);
}

.contact-method-text h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-method-text a {
    color: inherit;
    text-decoration: none;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--charcoal);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 1rem;
    border: 2px solid #E5E7EB;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10, 110, 115, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: var(--primary);
    color: var(--white);
    padding: 1.25rem 2rem;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}

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

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

.footer {
    background: var(--charcoal);
    color: var(--white);
    padding: 3rem 1.5rem 2rem;
    margin-top: 5rem;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand img.footer-logo {
    width: 250px;
    align-items: right;
}

.footer-brand p {
    color: var(--gray-light);
    line-height: 1.7;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-light);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        align-items: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-container,
    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .image-placeholder {
        width: 300px;
        height: 300px;
    }
    
    .certifications {
        position: static;
        transform: none;
        justify-content: center;
        margin-top: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        padding: 2rem;
    }
}