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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1B4332;
    background: #FFFFFF;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
}

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

ul {
    list-style: none;
}

/* ==================== Design System ==================== */
:root {
    --primary: #2D6A4F;
    --primary-dark: #1B4332;
    --secondary: #40916C;
    --accent: #74C69D;
    --bg-light: #F8FAF9;
    --bg-green-light: #E8F5E9;
    --text-primary: #1B4332;
    --text-secondary: #52796F;
    --text-light: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
}

/* ==================== Typography ==================== */
.eyebrow {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary);
    margin-bottom: 8px;
}

h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.subhead {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    max-width: 600px;
}

/* ==================== Layout ==================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-light);
}

.btn-primary:hover {
    background: var(--primary-dark);
}

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

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

.btn:active {
    transform: scale(0.98);
}

@media (max-width: 768px) {
    .btn {
        width: 100%;
        padding: 14px 24px;
    }
}

/* ==================== Cards ==================== */
.card {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 16px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.nav-cta {
    display: none;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-cta {
        display: block;
    }
    
    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
    }
    
    .mobile-menu-btn span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--primary);
        transition: var(--transition);
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 69px;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.mobile-menu a {
    display: block;
    padding: 12px 0;
    font-weight: 500;
    color: var(--text-primary);
    border-bottom: 1px solid var(--bg-light);
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(180deg, var(--bg-light) 0%, #FFFFFF 100%);
}

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

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-green-light);
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 32px;
}

.hero-visual {
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
    border-radius: var(--radius-md);
    color: white;
    text-align: center;
}

.hero-visual-placeholder {
    height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0.9;
}

.hero-visual-placeholder svg {
    width: 80px;
    height: 80px;
}

@media (max-width: 768px) {
    .hero {
        text-align: center;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
}

/* ==================== Problem Section ==================== */
.problem {
    background: var(--bg-light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.problem-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px 24px;
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-green-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
}

.problem-card p {
    margin-bottom: 0;
}

/* ==================== Solution Section ==================== */
.solution {
    background: white;
}

.solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-top: 48px;
}

.solution-points {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.solution-point {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.solution-point-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.solution-point h4 {
    margin-bottom: 4px;
}

.solution-point p {
    margin-bottom: 0;
    font-size: 15px;
}

.solution-visual {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-visual-placeholder {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .solution-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ==================== Features Section ==================== */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.feature-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-green-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 28px;
}

.feature-card h3 {
    color: var(--primary);
}

.feature-card p {
    margin-bottom: 0;
}

/* ==================== How It Works Section ==================== */
.how-it-works {
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--accent);
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 24px;
    border: 4px solid white;
    box-shadow: var(--shadow-sm);
}

.step h3 {
    margin-bottom: 12px;
}

.step p {
    font-size: 15px;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .steps::before {
        display: none;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .steps::before {
        display: none;
    }
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 48px auto 0;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ==================== Security Section ==================== */
.security {
    background: var(--primary-dark);
    color: white;
}

.security h2, .security .eyebrow {
    color: var(--accent);
}

.security p {
    color: rgba(255,255,255,0.8);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.security-card {
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
}

.security-card:hover {
    background: rgba(255,255,255,0.15);
}

.security-icon {
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
}

.security-card h3 {
    color: white;
    margin-bottom: 12px;
}

.security-card p {
    margin-bottom: 0;
}

/* ==================== Benefits Section ==================== */
.benefits {
    background: var(--bg-light);
}

.benefit-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    border-bottom: 2px solid #E0E0E0;
}

.benefit-tab {
    padding: 16px 24px;
    font-weight: 600;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.benefit-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.benefit-tab.active {
    color: var(--primary);
}

.benefit-tab.active::after {
    transform: scaleX(1);
}

.benefit-content {
    display: none;
}

.benefit-content.active {
    display: block;
}

.benefit-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.benefit-check {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    margin-top: 2px;
}

.benefit-item p {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .benefit-tabs {
        flex-direction: column;
        border-bottom: none;
        gap: 4px;
    }
    
    .benefit-tab {
        background: white;
        border-radius: var(--radius-sm);
        text-align: left;
    }
    
    .benefit-tab.active {
        background: var(--primary);
        color: white;
    }
    
    .benefit-tab::after {
        display: none;
    }
}

/* ==================== Testimonials Section ==================== */
.testimonials {
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
}

.testimonial-stars {
    color: #F4A261;
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-card blockquote {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-style: italic;
}

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

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 48px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-green-light);
    border-radius: var(--radius-lg);
    font-weight: 500;
    color: var(--primary);
}

.trust-badge span {
    font-size: 20px;
}

/* ==================== CTA Section ==================== */
.cta {
    background: linear-gradient(180deg, var(--bg-green-light) 0%, #FFFFFF 100%);
    text-align: center;
}

.cta h2 {
    margin-bottom: 16px;
}

.cta p {
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.cta-fine-print {
    font-size: 14px;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ==================== Footer ==================== */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    background: white;
    color: var(--primary);
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 16px;
}

.footer-col a {
    display: block;
    color: rgba(255,255,255,0.7);
    padding: 6px 0;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* ==================== Utilities ==================== */
.text-center {
    text-align: center;
}

.mt-48 {
    margin-top: 48px;
}