/* ===== Science Section ===== */
.science-section {
    padding: 6rem 0 8rem;
    border-top: 1px solid var(--border-white-5);
    border-bottom: 1px solid var(--border-white-5);
    background: var(--bg-neutral-950);
    position: relative;
}

@media (min-width: 1024px) {
    .science-section {
        padding: 8rem 0;
    }
}

.science-grid {
    display: grid;
    gap: 5rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .science-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.science-panel {
    position: relative;
    order: 2;
}

@media (min-width: 1024px) {
    .science-panel {
        order: 1;
    }
}

.science-panel-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(239, 68, 68, 0.05), transparent);
    filter: blur(48px);
    opacity: 0.4;
    transition: opacity 0.7s;
}

.science-panel:hover .science-panel-glow {
    opacity: 0.6;
}

.science-panel-content {
    position: relative;
    background: rgba(15, 15, 15, 0.6);
    backdrop-filter: blur(16px);
    border-radius: 1rem;
    padding: 2.5rem 3rem;
    border: 1px solid var(--border-white-5);
    transition: border-color 0.5s;
}

.science-panel:hover .science-panel-content {
    border-color: rgba(239, 68, 68, 0.2);
}

.science-panel-header {
    font-size: 0.75rem;
    font-weight: 700;
    color: #f87171;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.science-panel-header svg {
    width: 1rem;
    height: 1rem;
}

.science-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.science-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-white-5);
}

.science-item-label {
    color: var(--text-slate-300);
    font-weight: 500;
}

.science-item-value {
    color: var(--text-slate-500);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s;
}

.science-item:hover .science-item-value {
    color: #fff;
}

.science-item-highlight {
    background: rgba(239, 68, 68, 0.05);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(239, 68, 68, 0.1);
    margin-top: 0.5rem;
    border-bottom: none;
}

.science-item-highlight .science-item-label {
    color: #fff;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.science-item-value-red {
    color: #f87171 !important;
    font-weight: 600;
}

.science-content {
    order: 1;
}

@media (min-width: 1024px) {
    .science-content {
        order: 2;
    }
}

.science-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.05em;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

@media (min-width: 1024px) {
    .science-title {
        font-size: 3rem;
    }
}

.science-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    font-size: 1.125rem;
    color: var(--text-slate-400);
    line-height: 1.7;
    font-weight: 300;
}

.science-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 1.5rem;
    padding-top: 1.5rem;
}

.science-benefits li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-slate-300);
}

.benefit-dot {
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background: var(--cyan-500);
    box-shadow: 0 0 8px rgba(6, 182, 212, 0.8);
}

/* ===== Routine Section ===== */
.routine-section {
    padding: 8rem 0;
    background: #000;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 42rem;
    margin: 0 auto 5rem;
}

.section-label {
    color: var(--cyan-500);
    font-weight: 700;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.05em;
    margin-bottom: 1rem;
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-subtitle {
    color: var(--text-slate-400);
    font-size: 1.125rem;
    font-weight: 300;
}

.routine-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .routine-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.routine-card {
    background: linear-gradient(180deg, rgba(20, 20, 20, 0.6) 0%, rgba(10, 10, 10, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 2rem;
    border-radius: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.routine-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.routine-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
}

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

.routine-card-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--bg-neutral-900);
    border-radius: 1rem;
    border: 1px solid var(--border-white-10);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 2rem;
    transition: all 0.3s;
}

.routine-card:hover .routine-card-icon {
    transform: scale(1.1);
    background: rgba(38, 38, 38, 1);
}

.routine-card-icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

.routine-step-label {
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--cyan-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.routine-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.routine-card:hover .routine-card-title {
    color: var(--cyan-400);
}

.routine-card-desc {
    font-size: 0.875rem;
    color: var(--text-slate-400);
    line-height: 1.6;
    transition: color 0.3s;
}

.routine-card:hover .routine-card-desc {
    color: var(--text-slate-300);
}

.routine-card-featured {
    border-color: rgba(6, 182, 212, 0.2);
}

.routine-card-featured .routine-card-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(6, 182, 212, 0.05), transparent);
    opacity: 0.5;
    transition: opacity 0.3s;
}

.routine-card-featured:hover .routine-card-glow {
    opacity: 0.8;
}

.routine-card-icon-featured {
    background: var(--cyan-500) !important;
    color: #000 !important;
    border: none !important;
}

.routine-card-icon-featured svg {
    fill: #000;
    stroke: #000;
}

.routine-card-featured:hover .routine-card-icon-featured {
    box-shadow: 0 0 25px rgba(34, 211, 238, 0.5);
}

.routine-step-label-featured {
    color: var(--cyan-400);
}

.routine-card-desc-featured {
    color: var(--text-slate-300);
    font-weight: 500;
}

.routine-result {
    margin-top: 4rem;
    text-align: center;
}

.routine-result {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: #fff;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    border: 1px solid var(--border-white-10);
    backdrop-filter: blur(12px);
    margin: 4rem auto 0;
    transition: border-color 0.3s;
}

.routine-result:hover {
    border-color: rgba(6, 182, 212, 0.3);
}

.routine-result svg {
    width: 1rem;
    height: 1rem;
    color: var(--cyan-400);
}

/* ===== Product Section ===== */
.product-section {
    padding: 8rem 0;
    border-top: 1px solid var(--border-white-5);
    background: var(--bg-neutral-950);
    overflow: hidden;
}

.product-grid {
    display: grid;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .product-grid {
        grid-template-columns: 7fr 5fr;
    }
}

.product-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.05em;
    margin-bottom: 2rem;
    line-height: 1.2;
}

@media (min-width: 1024px) {
    .product-title {
        font-size: 3rem;
    }
}

.product-description {
    font-size: 1.125rem;
    color: var(--text-slate-400);
    margin-bottom: 2.5rem;
    max-width: 42rem;
    font-weight: 300;
    line-height: 1.7;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

.product-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-white-5);
    transition: all 0.3s;
    cursor: default;
}

.product-feature:hover {
    border-color: rgba(6, 182, 212, 0.3);
    background: rgba(255, 255, 255, 0.07);
}

.product-feature svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--cyan-400);
    transition: transform 0.3s;
}

.product-feature:hover svg {
    transform: scale(1.1);
}

.product-feature span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-slate-200);
}

.product-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid #fff;
    padding-bottom: 0.125rem;
    transition: all 0.3s;
}

.product-cta:hover {
    color: var(--cyan-400);
    border-color: var(--cyan-400);
}

.product-cta svg {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s;
}

.product-cta:hover svg {
    transform: translateX(0.25rem);
}

.product-visual {
    display: flex;
    justify-content: center;
}

.product-ring {
    width: 20rem;
    height: 20rem;
    border-radius: 50%;
    border: 1px solid var(--border-white-10);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

@media (min-width: 1024px) {
    .product-ring {
        width: 24rem;
        height: 24rem;
    }
}

.product-ring-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid rgba(6, 182, 212, 0.2);
    animation: pulse-slow 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.product-device {
    width: 8rem;
    height: 18rem;
    background: linear-gradient(to top, #000, var(--bg-neutral-900));
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 2rem;
    overflow: hidden;
    transition: all 0.7s;
}

.product-device:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(34, 211, 238, 0.2);
}

.product-device-reflection {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top right, rgba(255, 255, 255, 0.1), transparent);
    pointer-events: none;
}

.product-device-button {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    border: 4px solid var(--bg-neutral-900);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(38, 38, 38, 1);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

.product-device-light {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--cyan-400);
    box-shadow: 0 0 25px rgba(34, 211, 238, 0.8);
    animation: pulse-slow 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.product-device-grip {
    margin-top: 3rem;
    width: 100%;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    opacity: 0.2;
}

.grip-line {
    height: 2px;
    width: 100%;
    background: #fff;
}