/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
    box-shadow: var(--shadow-sm);
}

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

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--white);
    position: relative;
}

.section-title {
    text-align: center;
    font-family: 'Playfair Display', serif;
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto 80px;
    font-weight: 400;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 80px;
}

.feature-card {
    background: var(--white);
    padding: 48px 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(26, 77, 46, 0.08);
    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(--accent-green));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(26, 77, 46, 0.15);
}

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

.feature-icon {
    font-size: 56px;
    margin-bottom: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--light-green) 0%, rgba(64, 145, 108, 0.1) 100%);
    border-radius: 20px;
    color: var(--primary-green);
    transition: all 0.4s ease;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.feature-icon .material-icons {
    font-size: 48px;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--secondary-green) 100%);
    color: var(--white);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.feature-card p {
    color: var(--light-text);
    line-height: 1.8;
    font-size: 15px;
}