/* Biophoton Balls product sections — extends light-theme.css */

.ball-section {
    padding: 100px 20px;
    position: relative;
    z-index: 2;
}

.ball-section-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
}

.ball-section.reversed .ball-section-container {
    flex-direction: row-reverse;
}

.ball-text {
    flex: 1;
}

.ball-text h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ball-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--body-text);
    margin-bottom: 30px;
}

.ball-text ul {
    list-style: none;
    margin-bottom: 30px;
    padding: 0;
}

.ball-text ul li {
    margin-bottom: 12px;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--primary);
}

.ball-text ul li i {
    font-size: 1.2rem;
}

.ball-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.ball-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 12px 28px rgba(31, 38, 135, 0.15));
    transition: transform 0.5s ease;
}

.ball-image img:hover {
    transform: scale(1.05);
}

.sky-theme h2 {
    color: var(--accent-cyan);
    text-shadow: none;
}

.sky-theme .ball-image img {
    border-radius: 20px;
    border: 2px solid rgba(0, 188, 212, 0.45);
    box-shadow: 0 14px 40px rgba(0, 188, 212, 0.2);
}

.sky-theme li i {
    color: var(--accent-cyan);
}

.sky-theme .btn-buy {
    background: rgba(224, 247, 250, 0.95);
    border: 2px solid rgba(0, 188, 212, 0.45);
    color: #00838f;
}

.sky-theme .btn-buy:hover {
    background: var(--accent-cyan);
    color: #fff;
    box-shadow: 0 12px 32px rgba(0, 188, 212, 0.35);
}

.matter-theme h2 {
    color: var(--accent-yellow);
    text-shadow: none;
}

.matter-theme .ball-image img {
    border-radius: 20px;
    border: 2px solid rgba(255, 193, 7, 0.55);
    box-shadow: 0 14px 40px rgba(255, 193, 7, 0.22);
}

.matter-theme li i {
    color: var(--accent-yellow);
}

.matter-theme .btn-buy {
    background: rgba(255, 248, 225, 0.95);
    border: 2px solid rgba(255, 193, 7, 0.55);
    color: #b45309;
}

.matter-theme .btn-buy:hover {
    background: var(--accent-yellow);
    color: var(--primary);
    box-shadow: 0 12px 32px rgba(255, 193, 7, 0.35);
}

.set-theme h2 {
    background: linear-gradient(90deg, var(--accent-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}

.set-theme .ball-image img {
    border-radius: 20px;
    border: 2px solid rgba(171, 71, 188, 0.45);
    box-shadow: 0 14px 44px rgba(171, 71, 188, 0.2), 0 8px 28px rgba(0, 188, 212, 0.12);
}

.set-theme .btn-buy {
    background: linear-gradient(90deg, rgba(224, 247, 250, 0.95), rgba(243, 229, 245, 0.95));
    border: 2px solid rgba(171, 71, 188, 0.45);
    color: var(--primary);
}

.set-theme .btn-buy:hover {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 14px 36px rgba(31, 38, 135, 0.18);
}

.btn-buy {
    display: inline-block;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    cursor: pointer;
}

@media (max-width: 900px) {
    .ball-section {
        padding: 60px 15px;
        overflow: hidden;
    }

    .ball-section-container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
        width: 100%;
        max-width: 100%;
        padding: 0;
    }

    .ball-section.reversed .ball-section-container {
        flex-direction: column;
    }

    .ball-text {
        width: 100%;
        max-width: 100%;
        padding: 0;
        margin: 0;
        text-align: center;
    }

    .ball-text ul li {
        justify-content: center;
        text-align: left;
    }
}

/* --- /balls: Technology of Light (light glass cards) --- */
.balls-tech-section {
    padding: 80px 20px 96px;
    position: relative;
    background: transparent;
}

.balls-tech-heading {
    text-align: center;
    margin-bottom: 16px;
    background: linear-gradient(to right, #00bcd4, #0288d1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.balls-tech-intro {
    text-align: center;
    font-size: 1.12rem;
    color: var(--body-text);
    margin: 0 auto 44px;
    max-width: 720px;
    width: 90%;
}

.balls-tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.balls-tech-card {
    background: linear-gradient(165deg, #ffffff 0%, rgba(245, 250, 252, 0.94) 55%, rgba(255, 252, 248, 0.9) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 20px;
    padding: 34px 36px;
    position: relative;
    overflow: hidden;
    border-style: solid;
    border-width: 3px;
    border-color: rgba(0, 120, 130, 0.35);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 12px 36px rgba(31, 38, 135, 0.1),
        0 0 0 1px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.balls-tech-card:hover {
    transform: translateY(-4px);
}

.balls-tech-card--hw {
    border-color: rgba(0, 131, 143, 0.72);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 14px 40px rgba(0, 188, 212, 0.18),
        0 0 0 1px rgba(0, 96, 108, 0.22);
}

.balls-tech-card--hw:hover {
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 20px 48px rgba(0, 188, 212, 0.26),
        0 0 0 1px rgba(0, 96, 108, 0.28);
}

.balls-tech-card--sw {
    border-color: rgba(212, 160, 23, 0.82);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 14px 40px rgba(255, 193, 7, 0.22),
        0 0 0 1px rgba(160, 110, 0, 0.2);
}

.balls-tech-card--sw:hover {
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 20px 48px rgba(255, 193, 7, 0.32),
        0 0 0 1px rgba(160, 110, 0, 0.28);
}

.balls-tech-card__rail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
}

.balls-tech-card--hw .balls-tech-card__rail {
    background: linear-gradient(90deg, #00bcd4, transparent);
}

.balls-tech-card--sw .balls-tech-card__rail {
    background: linear-gradient(90deg, #ffc107, transparent);
}

.balls-tech-card h3 {
    color: var(--primary);
    font-size: 1.45rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.balls-tech-card .balls-tech-tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid rgba(0, 131, 143, 0.45);
    color: #00838f;
}

.balls-tech-card--sw .balls-tech-tag {
    border-color: rgba(255, 152, 0, 0.5);
    color: #e65100;
}

.balls-tech-card h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.balls-tech-card--hw h4 {
    color: #00838f;
}

.balls-tech-card--sw h4 {
    color: #e65100;
}

.balls-tech-card p {
    color: var(--body-text);
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 16px;
}

.balls-tech-card__foot {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(26, 28, 32, 0.12);
    text-align: center;
    font-size: 0.86rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--primary);
}

@media (max-width: 768px) {
    .balls-tech-section {
        padding: 56px 0 72px;
    }

    .balls-tech-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .balls-tech-card {
        padding: 26px 22px;
    }
}

/* --- /balls: Unique Properties (light) --- */
.balls-unique-section {
    padding: 80px 0 96px;
    position: relative;
    overflow-x: clip;
    max-width: 100vw;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(236, 248, 255, 0.85) 55%, rgba(255, 250, 252, 0.75) 100%);
}

.balls-unique-heading {
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(to right, #5c6bc0, #00bcd4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.balls-unique-section .unique-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 26px;
    padding: 16px 20px 24px;
}

.balls-unique-section .unique-card {
    background: linear-gradient(165deg, #ffffff 0%, rgba(245, 250, 252, 0.95) 100%);
    border: 3px solid rgba(0, 131, 143, 0.55);
    border-radius: 20px;
    padding: 28px 26px;
    position: relative;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 12px 36px rgba(31, 38, 135, 0.1),
        0 0 0 1px rgba(0, 96, 108, 0.14),
        0 10px 28px rgba(0, 188, 212, 0.12);
}

.balls-unique-section .unique-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 131, 143, 0.85);
    background: linear-gradient(165deg, #ffffff 0%, rgba(236, 252, 255, 0.98) 100%);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 20px 48px rgba(31, 38, 135, 0.12),
        0 0 0 1px rgba(0, 96, 108, 0.22),
        0 14px 40px rgba(0, 188, 212, 0.22);
}

.balls-unique-section .unique-card--featured {
    border: 3px solid rgba(212, 160, 23, 0.88);
    background: linear-gradient(180deg, rgba(255, 250, 230, 0.98) 0%, rgba(255, 255, 255, 0.96) 100%);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 12px 36px rgba(31, 38, 135, 0.1),
        0 0 0 1px rgba(160, 110, 0, 0.2),
        0 10px 32px rgba(255, 193, 7, 0.22);
}

.balls-unique-section .unique-card--featured:hover {
    border-color: rgba(184, 134, 11, 0.95);
    background: linear-gradient(180deg, rgba(255, 248, 220, 0.99) 0%, rgba(255, 255, 255, 0.98) 100%);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 20px 48px rgba(31, 38, 135, 0.12),
        0 0 0 1px rgba(160, 110, 0, 0.28),
        0 16px 44px rgba(255, 193, 7, 0.32);
}

.balls-unique-section .unique-num {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(26, 28, 32, 0.06);
    position: absolute;
    top: 10px;
    right: 20px;
    line-height: 1;
    user-select: none;
}

.balls-unique-section .unique-card:hover .unique-num {
    color: rgba(0, 188, 212, 0.16);
}

.balls-unique-section .unique-card h3 {
    color: var(--primary);
    margin-bottom: 14px;
    font-size: 1.15rem;
}

.balls-unique-section .unique-card h3 i {
    margin-right: 10px;
}

.balls-unique-section .unique-card p {
    color: var(--body-text);
    line-height: 1.6;
}

.balls-unique-section .swipe-hint {
    text-align: center;
    color: rgba(26, 28, 32, 0.42);
    margin-top: 10px;
    font-size: 0.9rem;
    display: none;
}

@media (max-width: 768px) {
    .balls-unique-section .unique-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 18px;
        padding-bottom: 36px;
        width: 100%;
        box-sizing: border-box;
    }

    .balls-unique-section .unique-card {
        flex: 0 0 85%;
        scroll-snap-align: center;
        min-height: 240px;
    }

    .balls-unique-section .unique-grid::-webkit-scrollbar {
        height: 4px;
        background: rgba(0, 0, 0, 0.06);
    }

    .balls-unique-section .unique-grid::-webkit-scrollbar-thumb {
        background: rgba(0, 188, 212, 0.55);
        border-radius: 4px;
    }

    .balls-unique-section .swipe-hint {
        display: block;
    }
}

/* --- /balls: bottom contact split (light) --- */
.balls-contact-split {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    background: linear-gradient(165deg, #ffffff 0%, rgba(255, 252, 246, 0.96) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 22px;
    border: 3px solid rgba(212, 175, 55, 0.92);
    overflow: hidden;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 12px 40px rgba(31, 38, 135, 0.1),
        0 0 0 1px rgba(139, 90, 0, 0.18),
        0 10px 36px rgba(255, 193, 7, 0.22);
}

.balls-contact-split .balls-contact-form {
    flex: 1.25;
    min-width: 320px;
    padding: 30px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: visible;
}

.balls-contact-title {
    font-size: 2rem;
    margin-bottom: 18px;
    background: linear-gradient(95deg, var(--accent-magenta), var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.balls-contact-lede {
    margin-bottom: 24px;
    color: var(--body-text);
}

.balls-contact-flash {
    padding: 18px;
    border-radius: 12px;
    border: 1px solid rgba(0, 188, 212, 0.35);
    background: rgba(224, 247, 250, 0.96);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    text-align: center;
}

.balls-contact-input,
.balls-contact-textarea {
    width: 100%;
    padding: 14px 14px 14px 44px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    color: var(--primary);
    outline: none;
    box-sizing: border-box;
}

.balls-contact-textarea {
    padding: 14px;
    resize: none;
}

.balls-contact-btn {
    background: linear-gradient(135deg, var(--accent-magenta), var(--accent-cyan));
    color: #fff;
    font-weight: 800;
    border: none;
    padding: 15px 18px;
    border-radius: 10px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 10px;
    font-size: 0.95rem;
}

.balls-contact-visual {
    flex: 0.75;
    min-width: 320px;
    position: relative;
    min-height: 400px;
    overflow: hidden;
    background: linear-gradient(180deg, #dce4ee 0%, #c9d6e6 100%);
}

.balls-contact-visual img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    display: block;
}

.balls-connect-pill {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid rgba(0, 188, 212, 0.45);
    color: #00838f;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.78rem;
}

.balls-consult-live-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.96);
    padding: 5px 15px;
    border-radius: 20px;
    border: 1px solid rgba(0, 188, 212, 0.4);
    color: #00838f;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.8rem;
}

.balls-consult-live-badge .fa-circle {
    color: #ff3b3b;
    font-size: 0.6rem;
    margin-right: 8px;
}

.balls-contact-field {
    position: relative;
}

.balls-contact-field > i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #00bcd4;
    opacity: 0.75;
    z-index: 1;
    pointer-events: none;
}

.balls-contact-flash--error {
    border-color: rgba(229, 57, 53, 0.45) !important;
    background: rgba(255, 235, 238, 0.96) !important;
    color: #b71c1c !important;
    box-shadow: none !important;
}

.balls-contact-flash--error .fa-exclamation-triangle {
    color: #c62828;
}

@media (max-width: 900px) {
    .balls-contact-split {
        flex-direction: column;
    }

    .balls-contact-split .balls-contact-form,
    .balls-contact-visual {
        flex: 1 1 auto;
        width: 100%;
        min-width: 0;
        max-width: 100%;
    }

    .balls-contact-visual {
        min-height: 320px;
        height: 320px;
    }

    .balls-contact-split .balls-contact-form {
        padding: 28px 22px;
    }
}