/* ========================================
   ROOT VARIABLES & ANIMATIONS
   ======================================== */

:root {
    --primary-color: #120037;
    --secondary-color: #6c5ce7;
    --accent-color: #a29bfe;
    --success-color: #00b894;
    --text-dark: #2d3436;
    --text-light: #636e72;
    --background-light: #f8f9fa;
    --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.12);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Fade In Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

/* ========================================
   HERO BANNER SECTION
   ======================================== */

.hero-banner {
    position: relative;
    margin: 2rem 0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.hero-banner:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(162, 155, 254, 0.05) 100%);
    z-index: 1;
    pointer-events: none;
}

.banner-content img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.hero-banner:hover .banner-content img {
    transform: scale(1.02);
}

/* ========================================
   MISSION SECTION
   ======================================== */

.mission-section {
    margin: 4rem 0;
    padding: 4rem 2rem;
    background-image: url("/static/background-color.7407f977d78e.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 20px;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.mission-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(18, 0, 55, 0.85) 0%, rgba(108, 92, 231, 0.75) 100%);
    z-index: 1;
}

.mission-section .container {
    position: relative;
    z-index: 2;
}

.mission-header {
    text-align: center;
    margin-bottom: 3rem;
}

.mission-title {
    font-size: 2rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
}

.mission-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0;
}

.mission-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
    min-width: 280px;
}

.mission-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.mission-icon {
    font-size: 3rem;
    color: #fff;
    animation: float 3s ease-in-out infinite;
}

.mission-text h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.mission-text p {
    margin: 0;
    opacity: 0.9;
    font-size: 1rem;
}

.mission-cta {
    text-align: center;
    margin-top: 2rem;
}

.mission-cta .btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: var(--transition-bounce);
}

.mission-cta .btn:hover {
    transform: scale(1.05);
}

/* ========================================
   FEATURES SECTION
   ======================================== */

.features-section {
    margin: 5rem 0;
    padding: 2rem 0;
}

.feature-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 2.5rem;
    height: 100%;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(108, 92, 231, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--secondary-color);
}

.feature-card.featured {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.feature-card.featured .feature-title,
.feature-card.featured .feature-list li,
.feature-card.featured .feature-icon {
    color: white;
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: #ffd700;
    color: var(--primary-color);
    padding: 5px 40px;
    transform: rotate(45deg);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    display: block;
    text-align: center;
    transition: var(--transition-bounce);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-family: 'Barabara', sans-serif;
    font-size: 1.1rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    transition: var(--transition-smooth);
    padding: 0.5rem;
    border-radius: 8px;
}

.feature-list li:hover {
    background: rgba(108, 92, 231, 0.05);
    transform: translateX(5px);
}

.feature-list li i {
    color: var(--success-color);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.feature-card.featured .feature-list li i {
    color: #ffd700;
}

.feature-list li span {
    flex: 1;
    line-height: 1.6;
}

.feature-action {
    margin-top: 2rem;
    text-align: center;
}

.feature-action .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-smooth);
    border: 2px solid var(--secondary-color);
    background: transparent;
    color: var(--secondary-color);
}

.feature-card.featured .feature-action .btn {
    background: white;
    color: var(--secondary-color);
    border-color: white;
}

.feature-action .btn:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(108, 92, 231, 0.3);
}

.feature-action .btn i {
    transition: transform 0.3s ease;
}

.feature-action .btn:hover i {
    transform: translateX(5px);
}

/* ========================================
   FOREVER FREE SECTION
   ======================================== */

.free-section {
    margin: 5rem 0;
    padding: 4rem 2rem;
    background-image: url("/static/background-water-color.4b698e2a570e.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.free-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
    z-index: 1;
}

.free-section .container,
.free-section .row {
    position: relative;
    z-index: 2;
}

.free-logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.free-logo {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
    transition: var(--transition-smooth);
}

.free-logo:hover {
    transform: scale(1.05);
    animation: pulse 2s ease-in-out infinite;
}

.free-content {
    padding: 2rem;
}

.free-tagline {
    font-family: 'Barabara', sans-serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.free-tagline-en {
    font-family: 'Barabara', sans-serif;
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    line-height: 1.2;
    opacity: 0.85;
}

.free-reason {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.free-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.free-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.free-feature-item:hover {
    transform: translateX(10px);
    border-color: var(--success-color);
    box-shadow: 0 8px 30px rgba(0, 184, 148, 0.2);
}

.free-feature-item i {
    color: var(--success-color);
    font-size: 1.5rem;
}

.free-feature-item span {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 992px) {
    .mission-title {
        font-size: 1.5rem;
    }

    .mission-items {
        flex-direction: column;
        align-items: center;
    }

    .feature-card {
        margin-bottom: 2rem;
    }

    .free-tagline {
        font-size: 2rem;
    }

    .free-tagline-en {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .mission-section {
        padding: 3rem 1.5rem;
    }

    .mission-item {
        min-width: auto;
        width: 100%;
    }

    .feature-card {
        padding: 2rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    .free-section {
        padding: 3rem 1rem;
    }

    .free-content {
        text-align: center;
        margin-top: 2rem;
    }

    .free-tagline {
        font-size: 1.75rem;
    }

    .free-tagline-en {
        font-size: 1.1rem;
    }

    .free-reason {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .hero-banner {
        margin: 1rem 0;
        border-radius: 15px;
    }

    .mission-title {
        font-size: 1.25rem;
    }

    .mission-item {
        padding: 1.5rem;
        gap: 1rem;
    }

    .mission-icon {
        font-size: 2rem;
    }

    .feature-title {
        font-size: 1rem;
    }

    .feature-list li {
        font-size: 0.9rem;
    }
}