/* ============================================
   CORE VALUES SECTION - STAGGERED LAYOUT
   Lanka Matha Tours - About Page
   ============================================ */

.values-advanced {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    overflow: hidden;
}

/* ============================================
   SECTION HEADER
   ============================================ */

.values-section-header {
    text-align: center;
    margin-bottom: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

.values-section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.values-section-header p {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.6;
}

/* ============================================
   STAGGERED MAGAZINE LAYOUT
   ============================================ */

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Staggered positions for visual interest */
.value-card:nth-child(even) {
    margin-top: 40px;
}

/* ============================================
   VALUE CARD DESIGN
   ============================================ */

.value-card {
    position: relative;
    background: white;
    border-radius: 25px;
    padding: 50px 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.5s var(--ease-smooth);
    overflow: hidden;
}

/* Decorative gradient border */
.value-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 25px;
    padding: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s;
}

.value-card:hover::before {
    opacity: 1;
}

.value-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ============================================
   ANIMATED ICON
   ============================================ */

.value-icon-wrapper {
    width: 90px;
    height: 90px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.value-icon-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    animation: blob-morph 8s ease-in-out infinite;
    opacity: 0.15;
}

.value-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
    animation: icon-pulse 3s ease-in-out infinite;
}

/* ============================================
   CARD CONTENT
   ============================================ */

.value-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
    text-align: center;
}

.value-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    text-align: center;
}

/* ============================================
   EXPANDABLE CONTENT (Optional)
   ============================================ */

.value-description-short {
    display: block;
}

.value-description-full {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
}

.value-card.expanded .value-description-full {
    max-height: 300px;
}

.expand-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s;
}

.expand-btn:hover {
    color: var(--secondary-color);
}

.expand-btn i {
    transition: transform 0.3s;
}

.value-card.expanded .expand-btn i {
    transform: rotate(180deg);
}

/* ============================================
   DECORATIVE FLOATING SHAPES
   ============================================ */

.value-card::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-color) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.05;
    transition: all 0.5s;
}

.value-card:hover::after {
    transform: scale(1.5);
    opacity: 0.1;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.value-card {
    opacity: 0;
    transform: translateY(60px) rotateY(-10deg);
}

.value-card.in-view {
    opacity: 1;
    transform: translateY(0) rotateY(0);
}

/* Stagger animation delays */
.value-card:nth-child(1) {
    transition-delay: 0s;
}

.value-card:nth-child(2) {
    transition-delay: 0.15s;
}

.value-card:nth-child(3) {
    transition-delay: 0.3s;
}

.value-card:nth-child(4) {
    transition-delay: 0.45s;
}

/* ============================================
   BACKGROUND PATTERN
   ============================================ */

.values-advanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(3, 166, 168, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(31, 85, 123, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .value-card:nth-child(even) {
        margin-top: 0;
    }

    .value-card:nth-child(2n) {
        margin-top: 30px;
    }
}

@media (max-width: 768px) {
    .values-advanced {
        padding: 80px 0;
    }

    .values-section-header {
        margin-bottom: 60px;
    }

    .values-section-header h2 {
        font-size: 2.2rem;
    }

    .values-section-header p {
        font-size: 1rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .value-card {
        padding: 40px 30px;
    }

    .value-card:nth-child(even),
    .value-card:nth-child(2n) {
        margin-top: 0;
    }

    .value-icon-wrapper {
        width: 80px;
        height: 80px;
        margin-bottom: 25px;
    }

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

    .value-title {
        font-size: 1.3rem;
    }

    .value-description {
        font-size: 0.95rem;
    }

    /* Simplify animations on mobile */
    .value-card {
        transform: translateY(30px);
    }

    .value-card:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 480px) {
    .value-card {
        padding: 35px 25px;
        border-radius: 20px;
    }

    .values-section-header h2 {
        font-size: 1.8rem;
    }

    .value-icon-wrapper {
        width: 70px;
        height: 70px;
    }

    .value-icon {
        font-size: 1.8rem;
    }
}