/* Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Yeşil tonları */
    --primary-green: #2d5016;
    --light-green: #4a7c2f;
    --soft-green: #6b9d4a;
    --pale-green: #a8d08d;
    --extra-light-green: #e8f5e0;
    
    /* Bej tonları */
    --beige: #f5f1e8;
    --dark-beige: #e8dcc8;
    
    /* Beyaz & Gri */
    --white: #ffffff;
    --off-white: #fafafa;
    --gray-light: #f4f4f4;
    --gray: #999;
    --gray-dark: #333;
    
    /* Shadows */
    --shadow-sm: 0 2px 12px rgba(45, 80, 22, 0.06);
    --shadow-md: 0 8px 24px rgba(45, 80, 22, 0.1);
    --shadow-lg: 0 16px 48px rgba(45, 80, 22, 0.15);
    --shadow-xl: 0 24px 64px rgba(45, 80, 22, 0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--gray-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(45, 80, 22, 0.08);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 0;
    max-height: 90px;
}

.logo {
    transition: var(--transition);
    max-height: 80%;
}

.logo:hover {
    transform: scale(1.02);
}

.logo img {
    max-height: 75%;
    width: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-dark);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 40%;
    height: 2px;
    background: var(--soft-green);
    transition: var(--transition);
}

.nav-link:hover::before,
.nav-link.active::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-link:hover,
.nav-link.active {
    background: var(--extra-light-green);
    color: var(--primary-green);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 1.2rem;
    background: var(--extra-light-green);
    border-radius: 50%;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: var(--extra-light-green);
    border: none;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 10px;
    transition: var(--transition);
}

.mobile-toggle:hover {
    background: var(--pale-green);
}

.mobile-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--primary-green);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--extra-light-green) 0%, var(--white) 50%, var(--beige) 100%);
    padding: 120px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(168, 208, 141, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 241, 232, 0.5) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    color: var(--primary-green);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-subdescription {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    font-weight: 400;
}

.highlight {
    background: linear-gradient(135deg, var(--soft-green), var(--light-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 12px;
    background: var(--pale-green);
    opacity: 0.3;
    z-index: -1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.2rem 2.5rem;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: var(--transition-slow);
}

.btn:hover::before {
    transform: translate(-50%, -50%) scale(2);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    color: var(--white);
    box-shadow: 0 8px 24px rgba(45, 80, 22, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(45, 80, 22, 0.35);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-green);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-white {
    background: var(--white);
    color: var(--primary-green);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.hero-badge-top {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    color: #2e7d32;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-badge-top i {
    color: #43a047;
}
.hero-features {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--gray);
    font-size: 16px;
    font-weight: 400;
}

.hero-features li i {
    color: #43a047;
    font-size: 14px;
    background: #e8f5e9;
    padding: 6px;
    border-radius: 50%;
}
.hero-trust {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #e0e0e0;
}
.trust-text {
    font-size: 13px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 12px;
}

.trust-logos {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.trust-item {
    background: #f5f5f5;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
}
.badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(168, 208, 141, 0.2);
    backdrop-filter: blur(10px);
    color: var(--primary-green);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid rgba(168, 208, 141, 0.3);
    transition: var(--transition);
}

.badge:hover {
    background: var(--pale-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.badge i {
    font-size: 1.1rem;
}

/* Dashboard Mockup */
.dashboard-mockup {
    width: auto;
    background: var(--white);
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid rgba(45, 80, 22, 0.08);
    transition: var(--transition-slow);
}

.dashboard-mockup:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 32px 80px rgba(45, 80, 22, 0.25);
}

.mockup-header {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.mockup-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    transition: var(--transition);
}

.dot:hover {
    transform: scale(1.2);
}

.dot.red { background: #ff5f56; box-shadow: 0 0 8px rgba(255, 95, 86, 0.5); }
.dot.yellow { background: #ffbd2e; box-shadow: 0 0 8px rgba(255, 189, 46, 0.5); }
.dot.green { background: #27c93f; box-shadow: 0 0 8px rgba(39, 201, 63, 0.5); }

.mockup-title {
    color: var(--white);
    font-weight: 700;
    margin-left: auto;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.mockup-content {
    padding: 2.5rem;
    background: linear-gradient(to bottom, var(--white), var(--off-white));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    
}

.stat-card {
    background: var(--white);
    padding: 1rem;
    border-radius: 16px;
    border-left: 4px solid var(--soft-green);
    display: flex;
    gap: 1.25rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--primary-green);
}

.stat-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--pale-green), var(--soft-green));
    color: var(--primary-green);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(168, 208, 141, 0.3);
}

.stat-info h3 {
    font-size: 1.05rem;
    color: var(--primary-green);
    margin-bottom: 0.4rem;
    font-weight: 700;
}

.stat-info p {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.5;
}

/* Why eRevir Section */
.why-erevir {
    padding: 100px 0;
    background: var(--white);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 5rem;
    color: var(--primary-green);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 2rem;
    color: var(--gray);
    font-weight: 400;
    margin-bottom: 1.75rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    transition: var(--transition-slow);
    border: 2px solid var(--gray-light);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--soft-green));
    transform: scaleX(0);
    transition: var(--transition);
}

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

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--pale-green);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-green), var(--soft-green));
    color: var(--white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.75rem;
    box-shadow: 0 8px 24px rgba(45, 80, 22, 0.2);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(45, 80, 22, 0.3);
}

.feature-card h3 {
    color: var(--primary-green);
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

/* Footer */
.footer {
    background: var(--gray-dark);
    color: var(--white);
    padding: 80px 0 30px;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1.75rem;
    color: var(--pale-green);
    font-size: 1.2rem;
    font-weight: 700;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

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

.footer-col ul li {
    margin-bottom: 1rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-col a:hover {
    color: var(--pale-green);
    transform: translateX(4px);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.25rem;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: rgba(168, 208, 141, 0.15);
    color: var(--pale-green);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    border: 1px solid rgba(168, 208, 141, 0.2);
}

.footer-social a:hover {
    background: var(--pale-green);
    color: var(--primary-green);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(168, 208, 141, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

/* Login Link Special Style */
.login-link {
    background: linear-gradient(135deg, var(--primary-green), var(--soft-green)) !important;
    color: var(--white) !important;
    box-shadow: var(--shadow-sm);
}

.login-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.login-link::before {
    display: none;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: var(--extra-light-green);
    border: none;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 10px;
    transition: var(--transition);
}

.mobile-toggle:hover {
    background: var(--pale-green);
}

.mobile-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--primary-green);
    border-radius: 2px;
    transition: var(--transition);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.25rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .social-links {
        display: none;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav.active {
        max-height: 600px;
        padding: 1rem 0;
        border-top: 1px solid var(--gray-light);
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: 1rem 1.5rem;
        border-radius: 0;
        width: 100%;
        text-align: left;
    }

    .nav-link::before {
        display: none;
    }

    .nav-link:hover,
    .nav-link.active {
        background: var(--extra-light-green);
        border-left: 4px solid var(--soft-green);
    }

    .login-link {
        margin: 0.5rem 1rem;
        border-radius: 10px !important;
        text-align: center;
        border-left: none !important;
    }

    /* Hero Mobile */
    .hero {
        padding: 60px 0 50px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-description {
        font-size: 1.05rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    /* Sections Mobile */
    .section-title {
        font-size: 1.85rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-content p {
        font-size: 1.1rem;
    }

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

    .feature-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.85rem;
    }

    .btn {
        padding: 1rem 1.75rem;
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.65rem;
    }
}