/* CSS Reset and Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-white: #ffffff;
    --color-accent: #16a34a;
    --color-accent-dark: #0d7a36;
    --color-dark: #0f172a;
    --color-dark-light: #1e293b;
    --color-gray-700: #334155;
    --color-gray-500: #475569;
    --color-gray-400: #64748b;
    --color-gray-300: #94a3b8;
    --color-gray-200: #cbd5e1;
    --color-gray-100: #e2e8f0;
    --color-gray-50: #f8fafc;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --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 -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.btn-large {
    padding: 18px 36px;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-500);
}

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

.nav-cta {
    padding: 12px 24px;
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    border-radius: 8px;
}

.nav-cta:hover {
    background-color: var(--color-accent-dark);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    padding: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-100);
    padding: 24px;
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav-links a {
    display: block;
    padding: 12px 0;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-dark);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(226, 232, 240, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(226, 232, 240, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-grid-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--color-white) 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    margin-bottom: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    margin-bottom: 40px;
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-gray-500);
}

.hero-visuals {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.visual-card {
    position: relative;
    padding: 24px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.visual-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.visual-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-radius: 16px 16px 0 0;
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.visual-card:hover::before {
    opacity: 1;
}

.visual-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
}

.visual-icon svg {
    width: 100%;
    height: 100%;
}

.visual-card span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
}

/* Results Section */
.results {
    padding: 100px 0;
    background-color: var(--color-white);
}

.section-title {
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
    font-size: 1.125rem;
    color: var(--color-gray-500);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.stat-card {
    position: relative;
    padding: 40px 32px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    border-radius: 0 0 4px 4px;
    pointer-events: none;
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 8px;
}

.stat-title {
    margin-top: 16px;
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.stat-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--color-gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    position: relative;
    padding: 40px 32px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: 16px;
    transition: var(--transition);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    margin-bottom: 16px;
}

.service-desc {
    margin-bottom: 24px;
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
}

.service-link:hover {
    color: var(--color-accent-dark);
    gap: 12px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--color-gray-50);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-title {
    text-align: left;
}

.contact-info .section-subtitle {
    text-align: left;
    margin: 0 0 32px;
}

.contact-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--color-dark);
}

.contact-benefits svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.contact-form {
    padding: 40px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--color-dark);
    background-color: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

.form-group input::placeholder {
    color: var(--color-gray-400);
}

.form-notice {
    margin-top: 16px;
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    text-align: center;
}

.form-notice a {
    color: var(--color-accent);
}

.form-notice a:hover {
    text-decoration: underline;
}

/* Success Message */
.form-success {
    display: none;
    text-align: center;
    padding: 40px;
}

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

.form-success svg {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.form-success h3 {
    margin-bottom: 12px;
}

.form-success p {
    color: var(--color-gray-500);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background-color: var(--color-dark);
    color: var(--color-gray-300);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-desc {
    margin-bottom: 24px;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-dark-light);
    border-radius: 8px;
    color: var(--color-gray-300);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 20px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-gray-300);
}

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

.footer-contact address {
    font-style: normal;
    font-size: 0.9375rem;
    line-height: 1.8;
}

.footer-contact a {
    color: var(--color-gray-300);
}

.footer-contact a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--color-dark-light);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--color-gray-400);
}

.footer-legal a:hover {
    color: var(--color-accent);
}

/* Responsive Design */

/* Tablets (768px+) */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-content {
        text-align: center;
        max-width: 100%;
    }

    .hero-visuals {
        max-width: 500px;
        margin: 0 auto;
    }

    .stats-grid,
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-info .section-title,
    .contact-info .section-subtitle {
        text-align: center;
    }

    .contact-benefits {
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

/* Mobile (320px+) */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .nav-links {
        display: none;
    }

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

    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero-visuals {
        grid-template-columns: 1fr;
        max-width: 300px;
    }

    .results,
    .services,
    .contact {
        padding: 60px 0;
    }

    .section-subtitle {
        margin-bottom: 40px;
    }

    .stat-card,
    .service-card {
        padding: 32px 24px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Desktop (1440px+) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .hero {
        padding: 180px 0 120px;
    }

    .hero-content {
        max-width: 700px;
    }

    .results,
    .services,
    .contact {
        padding: 120px 0;
    }
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}