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

:root {
    --primary-color: #1a5632;
    --primary-dark: #0f3d22;
    --primary-light: #2a7d4a;
    --secondary-color: #34a85a;
    --accent-color: #4caf50;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-dark: #0f1a13;
    --bg-light: #f8faf9;
    --bg-card: #ffffff;
    --bg-grey: #f5f5f5;
    --border-color: #e8ebe9;
    --gradient-primary: linear-gradient(135deg, #1a5632 0%, #2a7d4a 100%);
    --gradient-secondary: linear-gradient(135deg, #2a7d4a 0%, #34a85a 100%);
    --gradient-dark: linear-gradient(135deg, #0f1a13 0%, #1a2e1f 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(26, 86, 50, 0.08);
    --shadow-lg: 0 12px 24px rgba(26, 86, 50, 0.12);
    --shadow-hover: 0 8px 20px rgba(26, 86, 50, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1280px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

/* ===================================
   Container & Layout
   =================================== */

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

section {
    padding: 6rem 0;
    position: relative;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    padding: 0.5rem 0;
    position: relative;
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-dark);
    color: var(--text-white);
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('hero2.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 20, 15, 0.85) 0%, rgba(15, 30, 20, 0.75) 100%);
    z-index: 1;
}

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

.hero-content {
    text-align: center;
    z-index: 10;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    margin-bottom: 2rem;
    font-weight: 900;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.title-line {
    display: block;
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
}

.title-line:nth-child(1) {
    color: var(--text-white);
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
    color: var(--accent-color);
}

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

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 10;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
    z-index: 10;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.9375rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: 0 2px 8px rgba(26, 86, 50, 0.2);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 86, 50, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
}

.btn-block {
    width: 100%;
}

/* ===================================
   Section Headers
   =================================== */

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(26, 86, 50, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* ===================================
   About Section - Pillars
   =================================== */

.about {
    background: var(--bg-card);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pillar-card {
    padding: 3rem 2.5rem;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

.pillar-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.pillar-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(26, 86, 50, 0.15);
}

.pillar-title {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.pillar-description {
    color: var(--text-light);
    line-height: 1.8;
}

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

.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.service-card {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.service-title {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.5rem;
}

.service-description {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.service-features li {
    padding: 0.75rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

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

/* ===================================
   Expertise Section
   =================================== */

.expertise {
    background: var(--bg-card);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.expertise-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.expertise-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.expertise-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 12px rgba(26, 86, 50, 0.2);
}

.expertise-item h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.expertise-item p {
    font-size: 0.95rem;
}

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

.contact {
    background: var(--gradient-dark);
    color: var(--text-white);
}

.contact .section-label {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.contact .section-title {
    color: var(--text-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    align-items: start;
}

.contact-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-detail {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    background: rgba(42, 125, 74, 0.15);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary-light);
}

.contact-detail h4 {
    color: var(--text-white);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-detail p {
    color: rgba(255, 255, 255, 0.7);
}

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

.contact-form-wrapper {
    background: rgba(26, 86, 50, 0.08);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.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(--text-white);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    font-family: inherit;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(42, 125, 74, 0.1);
}

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

/* Form Messages */
.form-message {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius);
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    animation: slideInDown 0.3s ease-out;
    transition: opacity 0.3s ease;
}

.form-message-success {
    background: rgba(76, 175, 80, 0.15);
    border: 1px solid rgba(76, 175, 80, 0.4);
    color: #4caf50;
}

.form-message-error {
    background: rgba(244, 67, 54, 0.15);
    border: 1px solid rgba(244, 67, 54, 0.4);
    color: #f44336;
}

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

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

.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1.5rem;
    filter: brightness(1.2);
}

.footer-brand h3 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

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

@media (max-width: 1024px) {
    .pillars-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .logo-img {
        height: 35px;
    }

    .footer-logo {
        height: 50px;
    }

    .container {
        padding: 0 1.5rem;
    }

    section {
        padding: 4rem 0;
    }

    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-card);
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        gap: 0;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 1rem 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .pillars-grid,
    .services-grid,
    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-form-wrapper {
        padding: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 30px;
    }

    .footer-logo {
        height: 45px;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .pillar-card,
    .service-card {
        padding: 2rem 1.5rem;
    }
}

/* ===================================
   Animations & Effects
   =================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Fade-in animation for elements */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}