:root {
    --primary-color: #00b8a9;
    --primary-dark: #008b82;
    --primary-light: #40ddc5;
    --secondary-color: #1a1a2e;
    --accent-color: #f39c12;
    --text-color: #2d2d2d;
    --text-light: #666;
    --text-lighter: #999;
    --bg-light: #f8f9fb;
    --bg-lighter: #f0f3f7;
    --white: #fff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.15);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--secondary-color);
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 4rem;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 184, 169, 0.2);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 184, 169, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.btn-contact {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 184, 169, 0.25);
    font-weight: 600;
}

.btn-contact:hover,
.btn-contact:active,
.btn-contact:focus {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 184, 169, 0.35);
    text-decoration: none;
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 1.1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
    box-shadow: 0 4px 15px rgba(0, 184, 169, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 184, 169, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit svg {
    transition: transform 0.3s ease;
}

.btn-submit:hover svg {
    transform: translateX(5px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 30px;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 0.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2.5rem;
    }

    .btn {
        padding: 0.9rem 2rem;
    }

    .btn-contact {
        padding: 0.7rem 1.8rem;
        font-size: 0.95rem;
        width: 100%;
        display: block;
        text-align: center;
    }

    .btn-submit {
        padding: 1rem 2rem;
        font-size: 1rem;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.7rem;
        margin-bottom: 0.5rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .btn {
        padding: 0.85rem 1.8rem;
        font-size: 0.9rem;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .btn-contact {
        padding: 0.65rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    section {
        padding: 35px 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.85rem;
    }
}
