/* Explain: Styles for UI components, animations, and AI-driven features. */
.eyebrow {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.site-header {
    background: color-mix(in srgb, var(--surface-color) 35%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 30%, transparent);
    transition: all 0.3s ease;
}

.site-header-scrolled {
    background: color-mix(in srgb, var(--surface-color) 85%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
}

.hero-cinematic {
    position: relative;
    isolation: isolate;
}

.appointment-card {
    position: relative;
    z-index: 10;
    border: 1px solid color-mix(in srgb, var(--mint-color) 48%, transparent);
    background: color-mix(in srgb, var(--surface-color) 74%, transparent);
    box-shadow: 0 2rem 6rem color-mix(in srgb, var(--primary-color) 26%, transparent);
    backdrop-filter: blur(24px);
}

.appointment-card::before,
.appointment-modal-card::before {
    content: "";
    position: absolute;
    inset: 0.8rem;
    pointer-events: none;
    border: 1px solid color-mix(in srgb, var(--mint-color) 58%, transparent);
    border-radius: inherit;
}

.appointment-status.success {
    display: block;
    border: 1px solid color-mix(in srgb, var(--mint-color) 66%, transparent);
    background: color-mix(in srgb, var(--mint-color) 46%, var(--surface-color));
    color: var(--primary-color);
}

.appointment-status.error {
    display: block;
    border: 1px solid color-mix(in srgb, var(--accent-color) 70%, transparent);
    background: color-mix(in srgb, var(--accent-color) 18%, var(--surface-color));
    color: var(--secondary-color);
}

.trust-card,
.treatment-card,
.choice-card,
.proof-card {
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    background: color-mix(in srgb, var(--surface-color) 88%, transparent);
    box-shadow: var(--shadow-card);
    transition: transform 300ms ease, border-color 300ms ease, background 300ms ease;
}

.testimonial-card {
    border: 1px solid color-mix(in srgb, var(--surface-color) 14%, transparent);
    border-radius: 2rem;
    background: color-mix(in srgb, var(--surface-color) 10%, transparent);
    box-shadow: var(--shadow-card);
    transition: transform 300ms ease, border-color 300ms ease, background 300ms ease;
}

.trust-card:hover,
.treatment-card:hover,
.choice-card:hover,
.proof-card:hover {
    transform: translateY(-0.35rem);
    border-color: color-mix(in srgb, var(--primary-color) 36%, transparent);
    background: var(--surface-color);
}

.testimonial-card:hover {
    transform: translateY(-0.35rem);
    border-color: color-mix(in srgb, var(--mint-color) 62%, transparent);
    background: color-mix(in srgb, var(--surface-color) 16%, transparent);
}

.icon-orb {
    display: inline-flex;
    height: 3.25rem;
    width: 3.25rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mint-color) 74%, var(--surface-color));
    color: var(--primary-color);
}

.soft-panel {
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--mint-color) 34%, var(--background-color)), color-mix(in srgb, var(--surface-color) 84%, transparent)),
        radial-gradient(circle at top right, color-mix(in srgb, var(--accent-color) 18%, transparent), transparent 22rem);
}

#treatments,
#proof,
#appointment-form {
    scroll-margin-top: 6rem;
}

body.appointment-modal-open {
    overflow: hidden;
}

.floating-contact-button {
    position: fixed;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    z-index: 9990;
    box-shadow: 0 1.2rem 3rem color-mix(in srgb, var(--primary-color) 30%, transparent);
}

.appointment-modal {
    z-index: 10000;
}

.appointment-modal-card {
    background: color-mix(in srgb, var(--surface-color) 92%, transparent);
    box-shadow: 0 2rem 6rem color-mix(in srgb, var(--primary-color) 40%, transparent);
    backdrop-filter: blur(24px);
}

.close-modal-button {
    position: fixed;
    right: 1rem;
    top: 1rem;
    z-index: 10002;
}

.cases-swiper {
    padding-bottom: 3.5rem !important;
}

.cases-swiper .swiper-pagination-bullet-active {
    background-color: var(--primary-color) !important;
}

.hero-slider .swiper-pagination-bullet {
    background-color: rgba(255, 255, 255, 0.6) !important;
    opacity: 1 !important;
}
.hero-slider .swiper-pagination-bullet-active {
    background-color: var(--primary-color) !important;
    transform: scale(1.2);
}

/* Chat Styles */
.chat-window-open {
    display: flex !important;
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto;
}

.chat-bubble-user {
    background: var(--primary-color);
    color: var(--surface-color);
    border-radius: 1rem 1rem 0 1rem;
    align-self: flex-end;
}

.chat-bubble-bot {
    background: color-mix(in srgb, var(--mint-color) 70%, var(--surface-color));
    color: var(--text-color);
    border-radius: 1rem 1rem 1rem 0;
    align-self: flex-start;
}

.chat-typing {
    display: inline-flex;
    gap: 0.25rem;
}

.chat-typing span {
    width: 0.4rem;
    height: 0.4rem;
    background: var(--primary-color);
    border-radius: 50%;
    animation: chatBounce 1.4s infinite ease-in-out both;
}

.chat-typing span:nth-child(1) { animation-delay: -0.32s; }
.chat-typing span:nth-child(2) { animation-delay: -0.16s; }

@keyframes chatBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

@media (min-width: 1024px) {
    .floating-contact-button {
        left: auto;
        right: 1.5rem;
        bottom: 1.5rem;
        width: auto;
        min-width: 11rem;
    }
}

/* Continuous Animations for Hours Section */
@keyframes continuousShine {
    0% { transform: translateX(-150%); opacity: 0; }
    15% { opacity: 1; }
    35% { transform: translateX(150%); opacity: 0; }
    100% { transform: translateX(150%); opacity: 0; }
}
.animate-continuous-shine {
    animation: continuousShine 4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes floatingCard {
    0%, 100% { transform: translateY(0); box-shadow: 0 10px 30px rgba(0, 184, 230, 0.08); }
    50% { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0, 184, 230, 0.15); }
}
.animate-floating-card {
    animation: floatingCard 4s ease-in-out infinite;
}

@keyframes wiggleOrb {
    0%, 100% { transform: rotate(-8deg) scale(1); background-color: color-mix(in srgb, var(--mint-color) 74%, var(--surface-color)); color: var(--primary-color); }
    50% { transform: rotate(8deg) scale(1.1); background-color: var(--primary-color); color: var(--surface-color); }
}
.animate-wiggle-orb {
    animation: wiggleOrb 3s ease-in-out infinite;
}

@keyframes iconWiggle {
    0%, 100% { transform: rotate(0deg); }
    5%, 15%, 25% { transform: rotate(-15deg) scale(1.1); }
    10%, 20% { transform: rotate(15deg) scale(1.1); }
    30%, 100% { transform: rotate(0deg) scale(1); }
}
.btn-contact-animated i {
    display: inline-block;
    animation: iconWiggle 4s ease-in-out infinite;
}
.btn-contact-animated:hover {
    transform: translateY(-3px) scale(1.05);
}

/* AI Dental Age & Smile Lifetime Simulator */
.smile-sim-shell {
    position: relative;
    isolation: isolate;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--surface-color) 96%, transparent), color-mix(in srgb, var(--mint-color) 35%, var(--surface-color))),
        radial-gradient(circle at 8% 12%, color-mix(in srgb, var(--primary-color) 18%, transparent), transparent 20rem),
        radial-gradient(circle at 90% 18%, color-mix(in srgb, var(--accent-color) 15%, transparent), transparent 18rem);
}

.smile-sim-shell::before {
    content: "";
    position: absolute;
    inset: 1rem;
    pointer-events: none;
    border: 1px solid color-mix(in srgb, var(--primary-color) 16%, transparent);
    border-radius: 1.5rem;
    z-index: 0;
}

.smile-sim-content {
    position: relative;
    z-index: 1;
}

.smile-progress-track {
    height: 0.65rem;
    overflow: hidden;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mint-color) 62%, var(--surface-color));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary-color) 14%, transparent);
}

.smile-progress-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 0 1.5rem color-mix(in srgb, var(--primary-color) 38%, transparent);
    transition: width 550ms cubic-bezier(0.22, 1, 0.36, 1);
}

.smile-choice-card {
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    background: color-mix(in srgb, var(--surface-color) 86%, transparent);
    box-shadow: 0 1rem 2.5rem color-mix(in srgb, var(--primary-color) 7%, transparent);
    transition: transform 260ms ease, border-color 260ms ease, background 260ms ease, box-shadow 260ms ease;
}

.smile-choice-card:hover,
.smile-choice-card.is-selected {
    transform: translateY(-0.25rem);
    border-color: color-mix(in srgb, var(--primary-color) 44%, transparent);
    background: color-mix(in srgb, var(--mint-color) 44%, var(--surface-color));
    box-shadow: 0 1.3rem 3rem color-mix(in srgb, var(--primary-color) 14%, transparent);
}

.smile-choice-card.is-selected .smile-choice-icon {
    background: var(--primary-color);
    color: var(--surface-color);
}

.smile-choice-icon {
    display: inline-flex;
    height: 3rem;
    width: 3rem;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background: color-mix(in srgb, var(--mint-color) 72%, var(--surface-color));
    color: var(--primary-color);
    transition: all 260ms ease;
}

.smile-gauge {
    position: relative;
    width: min(18rem, 78vw);
    aspect-ratio: 1;
    border-radius: 999px;
    display: grid;
    place-items: center;
    margin-inline: auto;
    box-shadow: 0 2rem 5rem color-mix(in srgb, var(--primary-color) 18%, transparent);
    animation: smileGaugePop 650ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.smile-gauge::before {
    content: "";
    position: absolute;
    inset: 1.1rem;
    border-radius: inherit;
    background: var(--surface-color);
    box-shadow: inset 0 0 0 1px var(--border-color);
}

.smile-gauge-inner {
    position: relative;
    z-index: 1;
    text-align: center;
}

.smile-projection-card {
    overflow: hidden;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--surface-color) 88%, transparent);
    box-shadow: var(--shadow-card);
}

.smile-projection-visual {
    min-height: 14rem;
    background:
        radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--primary-color) 18%, transparent), transparent 9rem),
        linear-gradient(135deg, color-mix(in srgb, var(--mint-color) 54%, var(--surface-color)), var(--surface-color));
}

.smile-risk-visual {
    background:
        radial-gradient(circle at 70% 25%, color-mix(in srgb, var(--accent-color) 18%, transparent), transparent 9rem),
        linear-gradient(135deg, color-mix(in srgb, #f59e0b 16%, var(--surface-color)), color-mix(in srgb, var(--surface-color) 88%, transparent));
}

.smile-tooth {
    position: relative;
    width: 6.5rem;
    height: 7.6rem;
    border-radius: 48% 48% 42% 42%;
    background: linear-gradient(145deg, #ffffff, color-mix(in srgb, var(--mint-color) 42%, #ffffff));
    box-shadow: inset -0.8rem -1rem 1.6rem rgba(15, 23, 42, 0.08), 0 1.2rem 2.5rem rgba(15, 23, 42, 0.14);
}

.smile-tooth::before,
.smile-tooth::after {
    content: "";
    position: absolute;
    bottom: -1.25rem;
    width: 2.25rem;
    height: 2.75rem;
    border-radius: 0 0 1.5rem 1.5rem;
    background: inherit;
}

.smile-tooth::before {
    left: 1rem;
    transform: rotate(10deg);
}

.smile-tooth::after {
    right: 1rem;
    transform: rotate(-10deg);
}

.smile-tooth-risk {
    background: linear-gradient(145deg, #fef3c7, #fde68a);
}

.smile-tooth-risk span {
    position: absolute;
    height: 0.55rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent-color) 68%, #92400e);
    opacity: 0.72;
}

.smile-tooth-risk span:nth-child(1) {
    left: 1.1rem;
    right: 1rem;
    top: 2rem;
    transform: rotate(-10deg);
}

.smile-tooth-risk span:nth-child(2) {
    left: 1.7rem;
    right: 1.4rem;
    top: 3.55rem;
    transform: rotate(8deg);
}

.smile-reward-card {
    border: 1px solid color-mix(in srgb, var(--primary-color) 24%, transparent);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--primary-color) 10%, var(--surface-color)), var(--surface-color)),
        radial-gradient(circle at top right, color-mix(in srgb, var(--accent-color) 14%, transparent), transparent 15rem);
    box-shadow: 0 2rem 5rem color-mix(in srgb, var(--primary-color) 16%, transparent);
}

.smile-countdown-pill {
    border: 1px solid color-mix(in srgb, var(--accent-color) 26%, transparent);
    background: color-mix(in srgb, var(--accent-color) 10%, var(--surface-color));
    color: var(--secondary-color);
}

@keyframes waveformHeight {
    0%, 100% { height: 20%; }
    50% { height: 100%; }
}
.animate-waveform {
    animation: waveformHeight 1s ease-in-out infinite;
    transform-origin: bottom;
}

@keyframes smileGaugePop {
    0% {
        opacity: 0;
        transform: scale(0.88) rotate(-8deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}