/* ==========================================================
   aboutus.css — STL DentalGuys About Page
   Uses global teal design tokens from LayoutMaster.css
   ========================================================== */

/* ====================================================
   1. HERO BANNER
   ==================================================== */
.about-hero {
    background: linear-gradient(135deg, var(--teal, #01b2aa) 0%, var(--teal-dark, #019b94) 100%);
    padding: 80px 0 72px;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: var(--white, #ffffff);
}

    /* decorative circles */
    .about-hero::before,
    .about-hero::after {
        content: '';
        position: absolute;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
        pointer-events: none;
    }

    .about-hero::before {
        width: 420px;
        height: 420px;
        top: -160px;
        right: -100px;
    }

    .about-hero::after {
        width: 300px;
        height: 300px;
        bottom: -120px;
        left: -80px;
    }

.position-relative {
    margin-top: 20px !important;
}

.about-hero .hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.18);
    color: var(--white, #ffffff);
    padding: 6px 22px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 18px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.about-hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    position: relative;
    z-index: 1;
}

.about-hero p {
    font-size: 1.12rem;
    color: rgba(255, 255, 255, 0.92);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* wave bottom decoration */
.about-hero .wave-bottom {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 2;
}

    .about-hero .wave-bottom svg {
        width: 100%;
        height: 50px;
        display: block;
    }

/* ====================================================
   2. INTRO / WHO WE ARE
   ==================================================== */
.about-intro {
    padding: 72px 0;
    background: var(--white, #ffffff);
}

    .about-intro .intro-content {
        max-width: 800px;
        margin: 0 auto;
        text-align: center;
    }

    .about-intro .section-badge {
        display: inline-block;
        background: var(--teal-light, #e0f7f6);
        color: var(--teal, #01b2aa);
        padding: 6px 20px;
        border-radius: 50px;
        font-size: 0.82rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        margin-bottom: 16px;
    }

    .about-intro h2 {
        font-family: 'Poppins', sans-serif;
        font-size: 2rem;
        font-weight: 700;
        color: var(--gray-900, #1e3331);
        margin-bottom: 18px;
        position: relative;
        display: inline-block;
    }

        .about-intro h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--teal, #01b2aa), var(--teal-dark, #019b94));
            border-radius: 2px;
            margin: 12px auto 0;
        }

    .about-intro p {
        font-size: 1.02rem;
        color: var(--gray-500, #6b8a87);
        line-height: 1.8;
        margin-bottom: 16px;
    }

        .about-intro p:last-child {
            margin-bottom: 0;
        }

/* ====================================================
   3. MISSION / VISION CARDS
   ==================================================== */
.about-mission {
    padding: 72px 0;
    background: var(--off-white, #f7fafa);
}

    .about-mission .mission-card {
        background: var(--white, #ffffff);
        border: 1px solid var(--gray-200, #e2e8e8);
        border-radius: var(--radius-md, 16px);
        padding: 36px 28px;
        height: 100%;
        text-align: center;
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s ease;
        box-shadow: 0 2px 8px rgba(1, 178, 170, 0.06);
        position: relative;
        overflow: hidden;
    }

        .about-mission .mission-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--teal, #01b2aa), var(--teal-dark, #019b94));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .about-mission .mission-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 16px 48px rgba(1, 178, 170, 0.16);
            border-color: var(--teal-light, #e0f7f6);
        }

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

    .about-mission .mission-icon {
        width: 72px;
        height: 72px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--teal-light, #e0f7f6);
        border-radius: 50%;
        margin-bottom: 20px;
        font-size: 1.8rem;
        color: var(--teal, #01b2aa);
        transition: all 0.35s ease;
    }

    .about-mission .mission-card:hover .mission-icon {
        background: var(--teal, #01b2aa);
        color: var(--white, #ffffff);
        transform: scale(1.1);
    }

    .about-mission .mission-card h3 {
        font-family: 'Poppins', sans-serif;
        font-size: 1.2rem;
        font-weight: 600;
        color: var(--gray-900, #1e3331);
        margin-bottom: 12px;
    }

    .about-mission .mission-card p {
        font-size: 0.92rem;
        color: var(--gray-500, #6b8a87);
        line-height: 1.7;
        margin-bottom: 0;
    }

/* Centered section header (reusable) */
.about-section-header {
    text-align: center;
    margin-bottom: 48px;
}

    .about-section-header .section-badge {
        display: inline-block;
        background: var(--teal-light, #e0f7f6);
        color: var(--teal, #01b2aa);
        padding: 6px 20px;
        border-radius: 50px;
        font-size: 0.82rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        margin-bottom: 14px;
    }

    .about-section-header h2 {
        font-family: 'Poppins', sans-serif;
        font-size: 2rem;
        font-weight: 700;
        color: var(--gray-900, #1e3331);
        margin-bottom: 10px;
    }

    .about-section-header p {
        font-size: 1.02rem;
        color: var(--gray-500, #6b8a87);
        max-width: 560px;
        margin: 0 auto;
    }

/* ====================================================
   4. COMMITMENT VALUES — Glassmorphism strip
   ==================================================== */
.about-values {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--teal, #01b2aa) 0%, var(--teal-dark, #019b94) 100%);
    position: relative;
    overflow: hidden;
}

    .about-values::before,
    .about-values::after {
        content: '';
        position: absolute;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
        pointer-events: none;
    }

    .about-values::before {
        width: 380px;
        height: 380px;
        top: -100px;
        left: -80px;
    }

    .about-values::after {
        width: 280px;
        height: 280px;
        bottom: -90px;
        right: -60px;
    }

    .about-values .section-badge {
        background: rgba(255, 255, 255, 0.18);
        color: var(--white, #ffffff);
    }

    .about-values .about-section-header h2 {
        color: var(--white, #ffffff);
    }

    .about-values .about-section-header p {
        color: rgba(255, 255, 255, 0.85);
    }

    .about-values .value-card {
        background: rgba(255, 255, 255, 0.12);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: var(--radius-md, 16px);
        padding: 32px 24px;
        text-align: center;
        height: 100%;
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        z-index: 1;
    }

        .about-values .value-card:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        }

        .about-values .value-card .value-icon {
            font-size: 2.4rem;
            color: #f0a500;
            margin-bottom: 16px;
            display: block;
            transition: transform 0.35s ease;
        }

        .about-values .value-card:hover .value-icon {
            transform: scale(1.15);
        }

        .about-values .value-card h4 {
            font-family: 'Poppins', sans-serif;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--white, #ffffff);
            margin-bottom: 10px;
        }

        .about-values .value-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.65;
            margin-bottom: 0;
        }

/* ====================================================
   5. WHY STL + VISION — Side content
   ==================================================== */
.about-why {
    padding: 72px 0;
    background: var(--white, #ffffff);
}

    .about-why .why-content {
        max-width: 800px;
        margin: 0 auto;
    }

    .about-why .why-block {
        margin-bottom: 48px;
        text-align: center;
    }

        .about-why .why-block:last-child {
            margin-bottom: 0;
        }

        .about-why .why-block h2 {
            font-family: 'Poppins', sans-serif;
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--gray-900, #1e3331);
            margin-bottom: 14px;
            position: relative;
            display: inline-block;
        }

            .about-why .why-block h2::after {
                content: '';
                display: block;
                width: 40px;
                height: 3px;
                background: linear-gradient(90deg, var(--teal, #01b2aa), var(--teal-dark, #019b94));
                border-radius: 2px;
                margin: 10px auto 0;
            }

        .about-why .why-block p {
            font-size: 1rem;
            color: var(--gray-500, #6b8a87);
            line-height: 1.8;
            margin-bottom: 12px;
        }

            .about-why .why-block p:last-child {
                margin-bottom: 0;
            }

    /* highlight text */
    .about-why .highlight-text {
        display: inline-block;
        background: var(--teal-light, #e0f7f6);
        color: var(--teal-dark, #019b94);
        padding: 3px 10px;
        border-radius: 6px;
        font-weight: 600;
    }

/* ====================================================
   6. CTA BOTTOM BANNER
   ==================================================== */
.about-cta {
    padding: 64px 0;
    background: var(--gray-50, #f8fafa);
    text-align: center;
}

    .about-cta .cta-tagline {
        font-family: 'Poppins', sans-serif;
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--gray-900, #1e3331);
        margin-bottom: 8px;
    }

    .about-cta .cta-sub {
        font-size: 1.05rem;
        color: var(--gray-500, #6b8a87);
        margin-bottom: 28px;
    }

    .about-cta .btn-cta-about {
        display: inline-block;
        background: linear-gradient(135deg, var(--teal, #01b2aa), var(--teal-dark, #019b94));
        color: var(--white, #ffffff);
        padding: 14px 44px;
        border-radius: 50px;
        font-family: 'Poppins', sans-serif;
        font-weight: 600;
        font-size: 1rem;
        text-decoration: none;
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 4px 16px rgba(1, 178, 170, 0.25);
        border: none;
        margin: 0 8px 10px;
    }

        .about-cta .btn-cta-about:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(1, 178, 170, 0.3);
        }

    .about-cta .btn-cta-outline {
        display: inline-block;
        background: var(--white, #ffffff);
        color: var(--teal, #01b2aa);
        padding: 14px 44px;
        border-radius: 50px;
        font-family: 'Poppins', sans-serif;
        font-weight: 600;
        font-size: 1rem;
        text-decoration: none;
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        border: 2px solid var(--teal, #01b2aa);
        margin: 0 8px 10px;
    }

        .about-cta .btn-cta-outline:hover {
            background: var(--teal, #01b2aa);
            color: var(--white, #ffffff);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(1, 178, 170, 0.3);
        }

/* ====================================================
   7. SCROLL ANIMATIONS
   ==================================================== */
.about-animate {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

    .about-animate.is-visible {
        opacity: 1;
        transform: translateY(0);
    }

        /* staggered children */
        .about-animate.is-visible:nth-child(2) {
            transition-delay: 0.1s;
        }

        .about-animate.is-visible:nth-child(3) {
            transition-delay: 0.2s;
        }

        .about-animate.is-visible:nth-child(4) {
            transition-delay: 0.25s;
        }

        .about-animate.is-visible:nth-child(5) {
            transition-delay: 0.3s;
        }

/* ====================================================
   8. RESPONSIVE BREAKPOINTS
   ==================================================== */

@media (max-width: 992px) {
    .about-hero {
        padding: 64px 0 56px;
    }

        .about-hero h1 {
            font-size: 2.3rem;
        }

    .about-intro,
    .about-mission,
    .about-why {
        padding: 56px 0;
    }

    .about-values {
        padding: 60px 0;
    }

    .about-section-header h2,
    .about-intro h2 {
        font-size: 1.75rem;
    }

    .about-why .why-block h2 {
        font-size: 1.45rem;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 52px 0 48px;
    }

        .about-hero h1 {
            font-size: 1.85rem;
        }

        .about-hero p {
            font-size: 1rem;
        }

        .about-hero .wave-bottom svg {
            height: 30px;
        }

    .about-intro,
    .about-mission,
    .about-why {
        padding: 44px 0;
    }

    .about-values {
        padding: 48px 0;
    }

    .about-section-header {
        margin-bottom: 36px;
    }

        .about-section-header h2,
        .about-intro h2 {
            font-size: 1.5rem;
        }

    .about-mission .mission-card {
        padding: 28px 20px;
    }

    .about-values .value-card {
        padding: 24px 18px;
    }

    .about-cta .cta-tagline {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .about-hero {
        padding: 40px 0 36px;
    }

        .about-hero h1 {
            font-size: 1.5rem;
        }

        .about-hero p {
            font-size: 0.92rem;
        }

        .about-hero .hero-badge {
            font-size: 0.72rem;
            padding: 5px 16px;
        }

    .about-intro,
    .about-mission,
    .about-why {
        padding: 36px 0;
    }

        .about-section-header h2,
        .about-intro h2 {
            font-size: 1.3rem;
        }

        .about-why .why-block h2 {
            font-size: 1.2rem;
        }

        .about-mission .mission-card {
            padding: 22px 16px;
        }

        .about-mission .mission-icon {
            width: 60px;
            height: 60px;
            font-size: 1.5rem;
        }

    .about-values .value-card {
        padding: 22px 16px;
    }

    .about-cta {
        padding: 40px 0;
    }

        .about-cta .cta-tagline {
            font-size: 1.15rem;
        }

        .about-cta .btn-cta-about,
        .about-cta .btn-cta-outline {
            display: block;
            margin: 0 auto 10px;
            max-width: 280px;
            padding: 12px 28px;
            font-size: 0.92rem;
        }
}